CN103731383B - A kind of interference elimination method and device, receiver - Google Patents
A kind of interference elimination method and device, receiver Download PDFInfo
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- CN103731383B CN103731383B CN201310699838.XA CN201310699838A CN103731383B CN 103731383 B CN103731383 B CN 103731383B CN 201310699838 A CN201310699838 A CN 201310699838A CN 103731383 B CN103731383 B CN 103731383B
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Abstract
A kind of interference elimination method and device, receiver, this method include：Make equilibrium treatment using the balance parameters docking collection of letters number of serving cell, obtain serving cell equalizing signal；The blind reconstruct of serving cell common signal channel or soft reconstruct are carried out to the serving cell equalizing signal, serving cell common signal channel reconstructed chip is obtained；The soft reconstruct of serving cell not common channel is carried out to the serving cell equalizing signal, obtain serving cell not common channel reconstruction chip, wherein, the serving cell not common channel is serving cell channel of the receiving power more than the first pre-determined threshold in addition to the serving cell common signal channel；The serving cell equalizing signal is subtracted into the serving cell common signal channel reconstructed chip and the serving cell not common channel reconstruction chip, then makees linear disturbance Processing for removing, first order serving cell echo signal is obtained.The embodiment of the present invention can effectively cancellation receiver signal interference.
Description
Technical field
The present invention relates to communication technical field, and in particular to a kind of interference elimination method and device, receiver.
Background technology
In CDMA（Code Division Multiple Access, CDMA）In communication system, with to communication matter
The requirement of amount and data rate is improved constantly, and receiver technology develops into equalization receivers from Rake receivers, and further
Develop into interference cancellation receiver.In actual applications, interference cancellation receiver would generally using linear disturbance removing method come
Interference elimination is carried out, this method uses linear disturbance technology for eliminating completely, although can eliminate interference to a certain extent, still
Disturb eradicating efficacy still poor, cause residual interference still larger.
The content of the invention
, being capable of effective cancellation receiver the embodiment of the invention discloses a kind of interference elimination method and device, receiver
Signal is disturbed.
First aspect of the embodiment of the present invention discloses a kind of interference elimination method, including：
Make equilibrium treatment using the balance parameters docking collection of letters number of serving cell, obtain serving cell equalizing signal；
The blind reconstruct of serving cell common signal channel or soft reconstruct are carried out to the serving cell equalizing signal, serving cell is obtained
Common signal channel reconstructed chip；
The soft reconstruct of serving cell not common channel is carried out to the serving cell equalizing signal, serving cell not common is obtained
Channel reconstruction chip, wherein, the serving cell not common channel is the receiving power in addition to the serving cell common signal channel
More than the serving cell channel of the first pre-determined threshold；
The serving cell equalizing signal is subtracted into the serving cell common signal channel reconstructed chip and the service is small
Area's not common channel reconstruction chip, then makees linear disturbance Processing for removing, obtains first order serving cell echo signal.
In the first possible implementation of first aspect of the embodiment of the present invention, methods described also includes：
The serving cell common signal channel reconstructed chip and the response of serving cell time domain channel impulse are made into convolution, the is obtained
One-level serving cell common signal channel reconstruction signal；
By the first order serving cell echo signal add the serving cell not common channel reconstruction chip after with clothes
Convolution is made in the time domain channel impulse response of business cell, obtains first order serving cell not common channel reconstruction signal；
Equilibrium treatment is made to the reception signal using the balance parameters of interfered cell, interfered cell equalizing signal is obtained；
The blind reconstruct of interfered cell common signal channel or soft reconstruct are carried out to the interfered cell equalizing signal, interfered cell is obtained
Common signal channel reconstructed chip, and the interfered cell common signal channel reconstructed chip and the response of interfered cell time domain channel impulse are made
Convolution, obtains first order interfered cell common signal channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Make equilibrium treatment after area's common signal channel reconstruction signal, the first order serving cell not common channel reconstruction signal, obtain second
Level interfered cell equalizing signal；
Not common channel soft reconstruct in interfered cell is carried out to second level interfered cell equalizing signal, the second level is obtained and does
Cell not common channel reconstruction chip is disturbed, and second level interfered cell equalizing signal is subtracted into the second level interfered cell
Make linear disturbance Processing for removing after not common channel reconstruction chip, obtain second level interfered cell echo signal；Wherein, it is described dry
It is that receiving power is small more than the interference of the second pre-determined threshold in addition to the interfered cell common signal channel to disturb cell not common channel
Area's channel；
Second level interfered cell echo signal is added into the second level interfered cell not common channel reconstruction chip
Make convolution with the response of interfered cell time domain channel impulse afterwards, obtain second level interfered cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the first order serving cell not common channel reconstruction signal and the second level interfered cell
Make equilibrium treatment after not common channel reconstruction signal, obtain third level interfered cell equalizing signal；
Not common channel soft reconstruct in interfered cell is carried out to third level interfered cell equalizing signal, the third level is obtained and does
Cell not common channel reconstruction chip is disturbed, and third level interfered cell equalizing signal is subtracted into the third level interfered cell
Make linear disturbance Processing for removing after not common channel reconstruction chip, obtain third level interfered cell echo signal；
Third level interfered cell echo signal is added into the third level interfered cell not common channel reconstruction chip
Make convolution with the response of interfered cell time domain channel impulse afterwards, obtain third level interfered cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the second level interfered cell not common channel reconstruction signal and the third level interfered cell
Make equilibrium treatment after not common channel reconstruction signal, obtain fourth stage serving cell equalizing signal；
The soft reconstruct of serving cell not common channel is carried out to the fourth stage serving cell equalizing signal, fourth stage clothes are obtained
Business cell not common channel reconstruction chip, and the fourth stage serving cell equalizing signal is subtracted into the fourth stage serving cell
Make linear disturbance Processing for removing after not common channel reconstruction chip, obtain the fourth stage serving cell echo signal.
With reference to the first possible implementation of first aspect of the embodiment of the present invention, in first aspect of the embodiment of the present invention
Second of possible implementation in, methods described also includes：
The fourth stage serving cell echo signal is added into the fourth stage serving cell not common channel reconstruction chip
Make convolution with the response of serving cell time domain channel impulse afterwards, obtain the fourth stage serving cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the fourth stage serving cell not common channel reconstruction signal and the third level interfered cell
Make equilibrium treatment after not common channel reconstruction signal, obtain level V interfered cell equalizing signal；
Not common channel soft reconstruct in interfered cell is carried out to level V interfered cell equalizing signal, level V is obtained and does
Cell not common channel reconstruction chip is disturbed, and level V interfered cell equalizing signal is subtracted into the level V interfered cell
Make linear disturbance Processing for removing after not common channel reconstruction chip, obtain level V interfered cell echo signal；
Level V interfered cell echo signal is added into the level V interfered cell not common channel reconstruction chip
Make convolution with the response of interfered cell time domain channel impulse afterwards, obtain the level V interfered cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the fourth stage serving cell not common channel reconstruction signal and the level V interfered cell
Make equilibrium treatment after not common channel reconstruction signal, obtain the 6th grade of interfered cell equalizing signal；
Not common channel soft reconstruct in interfered cell is carried out to the 6th grade of interfered cell equalizing signal, the 6th grade is obtained and does
Cell not common channel reconstruction chip is disturbed, and the 6th grade of interfered cell equalizing signal is subtracted into the 6th grade of interfered cell
Make linear disturbance Processing for removing after not common channel reconstruction chip, obtain the 6th grade of interfered cell echo signal；
The 6th grade of interfered cell echo signal is added into the 6th grade of interfered cell not common channel reconstruction chip
Make convolution with the response of interfered cell time domain channel impulse afterwards, obtain the 6th grade of interfered cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the level V interfered cell not common channel reconstruction signal and the 6th grade of interfered cell
Make equilibrium treatment after not common channel reconstruction signal, obtain the 7th grade of serving cell equalizing signal；
The soft reconstruct of serving cell not common channel is carried out to the 7th grade of serving cell equalizing signal, the 7th grade of clothes are obtained
Business cell not common channel reconstruction chip, and the 7th grade of serving cell equalizing signal is subtracted into the 7th grade of serving cell
Make linear disturbance Processing for removing after not common channel reconstruction chip, obtain the 7th grade of serving cell echo signal.
With reference to the first possible implementation of first aspect of the embodiment of the present invention, in first aspect of the embodiment of the present invention
The third possible implementation in, methods described also includes：
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Make equilibrium treatment after area's common signal channel reconstruction signal and N-1 grades of interfered cell not common channel reconstruction signals, obtain N grades
Serving cell equalizing signal；Wherein, the N is the natural number more than or equal to 3；
The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out to the N grades of serving cell equalizing signals, is obtained
N grades of serving cell not common channel reconstruction chips, and by the N grades of serving cells not common channel reconstruction chip with servicing
Convolution is made in the response of cell time domain channel impulse, obtains N grades of serving cell echo signals.
With reference to the third possible implementation of first aspect of the embodiment of the present invention, in first aspect of the embodiment of the present invention
The 4th kind of possible implementation in, methods described also includes：
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, N-1 grades of interfered cells not common channel reconstruction signal and the N grades of serving cells
Make equilibrium treatment after echo signal, obtain N grades of interfered cell equalizing signals；
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out to N grades of interfered cells equalizing signal, is obtained
N grades of interfered cell not common channel reconstruction chips, and by N grades of interfered cells not common channel reconstruction chip with disturbing
Convolution is made in the response of cell time domain channel impulse, obtains N grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, N grades of interfered cells not common channel reconstruction signal and the N grades of serving cell mesh
Make equilibrium treatment after mark signal, obtain N+1 grades of interfered cell equalizing signals；
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out to N+1 grades of interfered cells equalizing signal, is obtained
N+1 grades of interfered cell not common channel reconstruction chips, and by the N+1 grades of interfered cells not common channel reconstruction chip
Make convolution with the response of interfered cell time domain channel impulse, obtain N+1 grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the N grades of interfered cells not common channel reconstruction signal, the N grades of serving cell targets
Make equilibrium treatment after signal and the N+1 grades of interfered cells not common channel reconstruction signal, obtain N+1 grades of serving cells
Equalizing signal；
The N+1 grades of serving cell equalizing signals are added into the N grades of serving cells not common channel reconstruction chip
The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out afterwards, obtain N+1 grades of serving cell not common channel reconstruction chips,
And the N+1 grades of serving cells not common channel reconstruction chip and the response of serving cell time domain channel impulse are made into convolution, obtain
Obtain N+1 grades of serving cell echo signals.
With reference to the 4th kind of possible implementation of first aspect of the embodiment of the present invention, in first aspect of the embodiment of the present invention
The 5th kind of possible implementation in, methods described also includes：
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the N+1 grades of serving cell echo signals, the N grades of interfered cells not common channel weight
Make equilibrium treatment after structure signal and the N+1 grades of interfered cells not common channel reconstruction signal, obtain N+2 grades of interference small
Area's equalizing signal；
The N+2 grades of interfered cell equalizing signals are added into the N grades of interfered cells not common channel reconstruction chip
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out afterwards, obtain N+2 grades of interfered cell not common channel reconstruction chips,
And N+2 grades of interfered cells not common channel reconstruction chip and the response of interfered cell time domain channel impulse are made into convolution, obtain
Obtain the N+2 grades of interfered cells not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the N+1 grades of serving cell echo signals, N+1 grades of interfered cells not common channel
Make equilibrium treatment after reconstruction signal and the N+2 grades of interfered cells not common channel reconstruction signal, obtain N+3 grades of interference
Cell equalizing signal；
The N+3 grades of interfered cell equalizing signals are added into the N grades of interfered cells not common channel reconstruction chip
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out afterwards, obtain N+3 grades of interfered cell not common channel reconstruction chips,
And N+3 grades of interfered cells not common channel reconstruction chip and the response of interfered cell time domain channel impulse are made into convolution, obtain
Obtain the N+3 grades of interfered cells not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal and N+2 grades of interfered cell not common channel reconstruction signals, N+3 grades of interfered cell not common
Make equilibrium treatment after channel reconstruction signal, obtain N+4 grades of serving cell equalizing signals；
The N+4 grades of serving cell equalizing signals are added into the N grades of serving cells not common channel reconstruction chip
The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out afterwards, obtain N+4 grades of serving cell not common channel reconstruction chips,
And the N+4 grades of serving cells not common channel reconstruction chip and the response of serving cell time domain channel impulse are made into convolution, obtain
Obtain N+4 grades of serving cell echo signals.
In the 6th kind of possible implementation of first aspect of the embodiment of the present invention, methods described also includes：
The serving cell common signal channel reconstructed chip and the response of serving cell time domain channel impulse are made into convolution, the is obtained
One-level serving cell common signal channel reconstruction signal；
By the first order serving cell echo signal add the serving cell not common channel reconstruction chip after with clothes
Convolution is made in the time domain channel impulse response of business cell, obtains first order serving cell not common channel reconstruction signal；
Equilibrium treatment is made to the reception signal using the balance parameters of interfered cell, interfered cell equalizing signal is obtained；
The blind reconstruct of interfered cell common signal channel or soft reconstruct are carried out to the interfered cell equalizing signal, interfered cell is obtained
Common signal channel reconstructed chip, and the interfered cell common signal channel reconstructed chip and the response of interfered cell time domain channel impulse are made
Convolution, obtains first order interfered cell common signal channel reconstruction signal；
Not common channel soft reconstruct in interfered cell is carried out to the interfered cell equalizing signal, interfered cell not common is obtained
Channel reconstruction chip, and the interfered cell equalizing signal is subtracted into the interfered cell common signal channel reconstructed chip and described
Make linear disturbance Processing for removing after the not common channel reconstruction chip of interfered cell, obtain first order interfered cell echo signal；Its
In, the interfered cell not common channel be in addition to the interfered cell common signal channel receiving power more than the second pre-determined threshold
Interfered cell channel；
First order interfered cell echo signal is added after the interfered cell not common channel reconstruction chip with doing
Disturb the response of cell time domain channel impulse and make convolution, obtain first order interfered cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Make equilibrium treatment after area's common signal channel reconstruction signal, the first order interfered cell not common channel reconstruction signal, obtain second
Level serving cell equalizing signal；
The soft reconstruct of serving cell not common channel is carried out to the second level serving cell equalizing signal, second level clothes are obtained
Business cell not common channel reconstruction chip, and the second level serving cell equalizing signal is subtracted into the second level serving cell
Make linear disturbance Processing for removing after not common channel reconstruction chip, obtain second level serving cell echo signal.
With reference to the 6th kind of possible implementation of first aspect of the embodiment of the present invention, in first aspect of the embodiment of the present invention
The 7th kind of possible implementation in, methods described also includes：
The second level serving cell echo signal is added into the second level serving cell not common channel reconstruction chip
Make convolution with the response of serving cell time domain channel impulse afterwards, obtain second level serving cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the first order serving cell not common channel reconstruction signal and the non-public affairs in first order interfered cell
Make equilibrium treatment after channel reconstruction signal altogether, obtain second level interfered cell equalizing signal；
Not common channel soft reconstruct in interfered cell is carried out to second level interfered cell equalizing signal, the second level is obtained and does
Cell not common channel reconstruction chip is disturbed, and second level interfered cell equalizing signal is subtracted into the second level interfered cell
Make linear disturbance Processing for removing after not common channel reconstruction chip, obtain second level interfered cell echo signal；
Second level interfered cell echo signal is added into the second level interfered cell not common channel reconstruction chip
Make convolution with the response of interfered cell time domain channel impulse afterwards, obtain second level interfered cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, N-1 grades of serving cell not common channel reconstruction signals and N-1 grades of interfered cell not common
Make equilibrium treatment after channel reconstruction signal, obtain N grades of interfered cell equalizing signals, wherein, the N is oneself more than or equal to 3
So count；
Not common channel soft reconstruct in interfered cell is carried out to N grades of interfered cells equalizing signal, N grades of interference are obtained
Cell not common channel reconstruction chip, and the N grades of interfered cell equalizing signals are subtracted into the non-public affairs in the N grades of interfered cells
Make linear disturbance Processing for removing after channel reconstruction chip altogether, obtain N grades of interfered cell echo signals；
The N grades of interfered cell echo signals are added after the N grades of interfered cells not common channel reconstruction chip
Make convolution with the response of interfered cell time domain channel impulse, obtain N grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Make equilibrium treatment after area's common signal channel reconstruction signal, the N grades of interfered cells not common channel reconstruction signal, obtain N+1
Level serving cell equalizing signal；
The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out to the N+1 grades of serving cell equalizing signals, is obtained
N+1 grades of serving cell not common channel reconstruction chips, and by the N+1 grades of serving cells not common channel reconstruction chip
Make convolution with the response of serving cell time domain channel impulse, obtain N+1 grades of serving cell echo signals.
With reference to the 7th kind of possible implementation of first aspect of the embodiment of the present invention, in first aspect of the embodiment of the present invention
The 8th kind of possible implementation in, methods described also includes：
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the N+1 grades of serving cell echo signals and N grades of interfered cells not common channel
Make equilibrium treatment after reconstruction signal, obtain N+2 grades of interfered cell equalizing signals；
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out to N+2 grades of interfered cells equalizing signal, is obtained
N+2 grades of interfered cell not common channel reconstruction chips, and by the N+2 grades of interfered cells not common channel reconstruction chip
Make convolution with the response of interfered cell time domain channel impulse, obtain N+2 grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the non-public affairs of the N+1 grades of serving cell echo signals and the N+2 grades of interfered cells
Make equilibrium treatment after channel reconstruction signal altogether, obtain N+3 grades of interfered cell equalizing signals；
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out to N+3 grades of interfered cells equalizing signal, is obtained
N+3 grades of interfered cell not common channel reconstruction chips, and by the N+3 grades of interfered cells not common channel reconstruction chip
Make convolution with the response of interfered cell time domain channel impulse, obtain N+3 grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the N+1 grades of serving cell echo signals, N+2 grades of interfered cells not common channel
Make equilibrium treatment after reconstruction signal and the N+3 grades of interfered cells not common channel reconstruction signal, obtain N+4 grades of services
Cell equalizing signal；
By the N+4 grades of serving cell equalizing signals plus N+1 grades of serving cell not common channel reconstruction code
The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out after piece, N+4 grades of serving cell not common channel reconstruction codes are obtained
Piece, and the N+4 grades of serving cells not common channel reconstruction chip and the response of serving cell time domain channel impulse are made into convolution,
Obtain N+4 grades of serving cell echo signals.
With reference to the 8th kind of possible implementation of first aspect of the embodiment of the present invention, in first aspect of the embodiment of the present invention
The 9th kind of possible implementation in, methods described also includes：
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the N+4 grades of serving cell echo signals, N+2 grades of interfered cells not common channel
Make equilibrium treatment after reconstruction signal and the N+3 grades of interfered cells not common channel reconstruction signal, obtain N+5 grades of interference
Cell equalizing signal；
The N+5 grades of interfered cell equalizing signals are believed plus N+2 grades of interfered cells not common channel reconstruction
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out after number, N+5 grades of interfered cell not common channel reconstruction codes are obtained
Piece, and N+5 grades of interfered cells not common channel reconstruction chip and the response of interfered cell time domain channel impulse are made into convolution,
Obtain the N+5 grades of interfered cells not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, the N+4 grades of serving cell echo signals, N+5 grades of interfered cells not common channel
Make equilibrium treatment after reconstruction signal and the N+3 grades of interfered cells not common channel reconstruction signal, obtain N+6 grades of interference
Cell equalizing signal；
The N+6 grades of interfered cell equalizing signals are believed plus N+3 grades of interfered cells not common channel reconstruction
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out after number, N+6 grades of interfered cell not common channel reconstruction codes are obtained
Piece, and N+6 grades of interfered cells not common channel reconstruction chip and the response of interfered cell time domain channel impulse are made into convolution,
Obtain N+6 grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, the first order and disturbs small
Area's common signal channel reconstruction signal, N+5 grades of interfered cells not common channel reconstruction signal and the N+6 grades of interference are small
Make equilibrium treatment after area's not common channel reconstruction signal, obtain N+7 grades of serving cell equalizing signals；
By the N+7 grades of serving cell equalizing signals plus N+1 grades of serving cell not common channel reconstruction code
The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out after piece, N+7 grades of serving cell not common channel reconstruction codes are obtained
Piece, and the N+7 grades of serving cells not common channel reconstruction chip and the response of serving cell time domain channel impulse are made into convolution,
Obtain N+7 grades of serving cell echo signals.
With reference to any in first to the 9th kind of first aspect of the embodiment of the present invention or first aspect of the embodiment of the present invention
The possible implementation of clock, it is described to the clothes in the tenth kind of possible implementation of first aspect of the embodiment of the present invention
Cell of being engaged in equalizing signal carries out the blind reconstruct of serving cell common signal channel or soft reconstruct, obtains serving cell common signal channel reconstruct code
Piece, including：
Descrambling and de-spreading is carried out to the serving cell equalizing signal, serving cell common signal channel symbol is obtained；
To the serving cell common signal channel symbol carry out common signal channel reconstruct symbol sentence firmly or it is soft sentence, obtain serving cell
Common signal channel reconstructs symbol；
The serving cell common signal channel reconstruct symbol carries out spectrum-spreading and scrambling, obtains serving cell common signal channel reconstruct code
Piece.
With reference to any in first to the 9th kind of first aspect of the embodiment of the present invention or first aspect of the embodiment of the present invention
The possible implementation of clock, it is described to described in a kind of the tenth possible implementation of first aspect of the embodiment of the present invention
Serving cell equalizing signal carries out the soft reconstruct of serving cell not common channel, obtains serving cell not common channel reconstruction chip,
Including：
Descrambling and de-spreading is carried out to the serving cell equalizing signal, serving cell common signal channel symbol is obtained；
Carry out that not common channel reconstruction symbol is soft sentences to the serving cell common signal channel symbol, obtain the non-public affairs of serving cell
Common channel reconstruction symbol；
Spectrum-spreading and scrambling is carried out to the serving cell not common channel reconstruction symbol, the serving cell not common letter is obtained
Road reconstructed chip.
Second aspect of the embodiment of the present invention discloses a kind of interference blanking unit, including：
First balanced unit, makees equilibrium treatment for the balance parameters docking collection of letters number using serving cell, is serviced
Cell equalizing signal；
First reconfiguration unit, for servicing the serving cell equalizing signal that first balanced unit is obtained
The blind reconstruct of district common channel or soft reconstruct, obtain serving cell common signal channel reconstructed chip；
Second reconfiguration unit, for servicing the serving cell equalizing signal that first balanced unit is obtained
The soft reconstruct of cell not common channel, obtains serving cell not common channel reconstruction chip, wherein, the serving cell not common letter
Road is serving cell channel of the receiving power more than the first pre-determined threshold in addition to the serving cell common signal channel；
First computing unit, the serving cell equalizing signal for first balanced unit to be obtained subtracts described
It is described that the serving cell common signal channel reconstructed chip and second reconfiguration unit that first reconfiguration unit is obtained are obtained
Serving cell not common channel reconstruction chip, and export the first residual signal；
First linear interference cancellation unit, for making line to first residual signal that first computing unit is exported
Property interference elimination treatment, obtain first order serving cell echo signal.
In the first possible implementation in the face of the embodiment of the present invention second, described device also includes：
First convolution unit, for the serving cell common signal channel reconstructed chip for obtaining first reconfiguration unit
Make convolution with the response of serving cell time domain channel impulse, obtain first order serving cell common signal channel reconstruction signal；
Second computing unit, for the first order serving cell mesh for obtaining the described first linear interference cancellation unit
Mark signal adds the serving cell not common channel reconstruction chip that second reconfiguration unit is obtained, and it is cumulative to export first
Signal；
Second convolution unit, during for first cumulative signal that exports second computing unit with serving cell
Domain channel impulse response makees convolution, obtains first order serving cell not common channel reconstruction signal；
First balanced unit, is additionally operable to make at equilibrium the reception signal using the balance parameters of interfered cell
Reason, obtains interfered cell equalizing signal；
First reconfiguration unit, is additionally operable to enter the interfered cell equalizing signal that first balanced unit is obtained
The blind reconstruct of row interfered cell common signal channel or soft reconstruct, obtain interfered cell common signal channel reconstructed chip；
First convolution unit, is additionally operable to the interfered cell common signal channel weight for obtaining first reconfiguration unit
Structure chip makees convolution with the response of interfered cell time domain channel impulse, obtains first order interfered cell common signal channel reconstruction signal；
Described device also includes：
3rd computing unit, believes for the reception signal to be subtracted into the first order serving cell common signal channel reconstruct
Number, the first order interfered cell common signal channel reconstruction signal, the first order serving cell not common channel reconstruction signal, and
Export the second residual signal；
Second balanced unit, for making equilibrium treatment to second residual signal, obtains second level interfered cell balanced
Signal；
Third reconstructed unit is soft for carrying out interfered cell not common channel to second level interfered cell equalizing signal
Reconstruct, obtains second level interfered cell not common channel reconstruction chip；
4th computing unit, it is non-for second level interfered cell equalizing signal to be subtracted into the second level interfered cell
Common signal channel reconstructed chip, and export the 3rd residual signal；
Second linear disturbance eliminates unit, for making linear disturbance Processing for removing to the 3rd residual signal, obtains the
Two grades of interfered cell echo signals；Wherein, the interfered cell not common channel is in addition to the interfered cell common signal channel
Interfered cell channel of the receiving power more than the second pre-determined threshold；
5th computing unit, for second level interfered cell echo signal is non-plus the second level interfered cell
Common signal channel reconstructed chip, and export the second cumulative signal；
3rd convolution unit, for second cumulative signal and the response of interfered cell time domain channel impulse to be made into convolution,
Obtain second level interfered cell not common channel reconstruction signal；
3rd computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, first order serving cell not common channel reconstruction letter
Number and the second level interfered cell not common channel reconstruction signal, and export the 4th residual signal；
Second balanced unit, is additionally operable to make the 4th residual signal equilibrium treatment, obtains third level interference small
Area's equalizing signal；
The third reconstructed unit, is additionally operable to carry out interfered cell not common to third level interfered cell equalizing signal
The soft reconstruct of channel, obtains third level interfered cell not common channel reconstruction chip；
4th computing unit, is additionally operable to third level interfered cell equalizing signal subtracting the third level interference
Cell not common channel reconstruction chip, and export the 5th residual signal；
Second linear disturbance eliminates unit, is additionally operable to make linear disturbance Processing for removing to the 5th residual signal,
Obtain third level interfered cell echo signal；
5th computing unit, is additionally operable to disturb third level interfered cell echo signal plus the third level
Cell not common channel reconstruction chip, and export the 3rd cumulative signal；
3rd convolution unit, for the 3rd cumulative signal to be rolled up with the response of interfered cell time domain channel impulse
Product, obtains third level interfered cell not common channel reconstruction signal；
3rd computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, second level interfered cell not common channel reconstruction letter
Number and the third level interfered cell not common channel reconstruction signal, and export the 6th residual signal；
Second balanced unit, is additionally operable to make equilibrium treatment to the 6th residual signal, fourth stage serving cell is equal
Weigh signal；
The third reconstructed unit, is additionally operable to carry out serving cell not common to the fourth stage serving cell equalizing signal
The soft reconstruct of channel, obtains fourth stage serving cell not common channel reconstruction chip；
4th computing unit, is additionally operable to the fourth stage serving cell equalizing signal subtracting the fourth stage service
Cell not common channel reconstruction chip, and export the 7th residual signal；
Second linear disturbance eliminates unit, is additionally operable to make linear disturbance Processing for removing to the 7th residual signal,
Obtain the fourth stage serving cell echo signal.
With reference to the first possible implementation of second aspect of the embodiment of the present invention, in second aspect of the embodiment of the present invention
Second of possible implementation in：
5th computing unit, is additionally operable to the fourth stage serving cell echo signal adding the fourth stage service
Cell not common channel reconstruction chip, and export the 4th cumulative signal；
3rd convolution unit, is additionally operable to respond the 4th cumulative signal and serving cell time domain channel impulse and makees
Convolution, obtains the fourth stage serving cell not common channel reconstruction signal；
3rd computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, fourth stage serving cell not common channel reconstruction letter
Number and the third level interfered cell not common channel reconstruction signal, and export the 8th residual signal；
Second balanced unit, is additionally operable to make the 8th residual signal equilibrium treatment, obtains level V interference small
Area's equalizing signal；
The third reconstructed unit, is additionally operable to carry out interfered cell not common to level V interfered cell equalizing signal
The soft reconstruct of channel, obtains level V interfered cell not common channel reconstruction chip；
4th computing unit, is additionally operable to level V interfered cell equalizing signal subtracting the level V interference
Cell not common channel reconstruction chip, and export the 9th residual signal；
Second linear disturbance eliminates unit, is additionally operable to make linear disturbance Processing for removing to the 9th residual signal,
Obtain level V interfered cell echo signal；
5th computing unit, is additionally operable to disturb level V interfered cell echo signal plus the level V
Cell not common channel reconstruction chip, and export the 5th cumulative signal；
3rd convolution unit, is additionally operable to make the 5th cumulative signal and the response of interfered cell time domain channel impulse
Convolution, obtains the level V interfered cell not common channel reconstruction signal；
3rd computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, fourth stage serving cell not common channel reconstruction letter
Number and the level V interfered cell not common channel reconstruction signal, and export the tenth residual signal；
Second balanced unit, is additionally operable to make the tenth residual signal equilibrium treatment, obtains the 6th grade of interference small
Area's equalizing signal；
The third reconstructed unit, is additionally operable to carry out interfered cell not common to the 6th grade of interfered cell equalizing signal
The soft reconstruct of channel, obtains the 6th grade of interfered cell not common channel reconstruction chip；
4th computing unit, is additionally operable to the 6th grade of interfered cell equalizing signal subtracting the 6th grade of interference
Cell not common channel reconstruction chip, and export the 11st residual signal；
Second linear disturbance eliminates unit, is additionally operable to make at linear disturbance elimination the 11st residual signal
Reason, obtains the 6th grade of interfered cell echo signal；
5th computing unit, is additionally operable to the 6th grade of interfered cell echo signal plus described 6th grade interference
Cell not common channel reconstruction chip, and export the 6th cumulative signal；
3rd convolution unit, is additionally operable to make the 6th cumulative signal and the response of interfered cell time domain channel impulse
Convolution, obtains the 6th grade of interfered cell not common channel reconstruction signal；
3rd computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, level V interfered cell not common channel reconstruction letter
Number and the 6th grade of interfered cell not common channel reconstruction signal, and export the 12nd residual signal；
Second balanced unit, is additionally operable to make the 12nd residual signal equilibrium treatment, obtains the 7th grade of service
Cell equalizing signal；
The third reconstructed unit, is additionally operable to carry out serving cell not common to the 7th grade of serving cell equalizing signal
The soft reconstruct of channel, obtains the 7th grade of serving cell not common channel reconstruction chip；
4th computing unit, is additionally operable to the 7th grade of serving cell equalizing signal subtracting the 7th grade of service
Cell not common channel reconstruction chip, and export the 13rd residual signal；
Second linear disturbance eliminates unit, is additionally operable to make at linear disturbance elimination the 13rd residual signal
Reason, obtains the 7th grade of serving cell echo signal.
With reference to the first possible implementation of second aspect of the embodiment of the present invention, in second aspect of the embodiment of the present invention
The third possible implementation in, described device also includes：
6th computing unit, believes for the reception signal to be subtracted into the first order serving cell common signal channel reconstruct
Number, the first order interfered cell common signal channel reconstruction signal and N-1 grades of interfered cell not common channel reconstruction signals, and
The 14th residual signal is exported, the N is the natural number more than or equal to 3；
3rd balanced unit, for making equilibrium treatment to the 14th residual signal, obtains N grades of serving cells balanced
Signal；Wherein, the N is the natural number more than or equal to 3；
Fourth reconstructed unit, for carrying out serving cell not common Blind channel to the N grades of serving cell equalizing signals
Reconstruct or soft reconstruct, obtain N grades of serving cell not common channel reconstruction chips；
Volume Four product unit, for by the N grades of serving cells not common channel reconstruction chip and serving cell time domain
Channel impulse response makees convolution, obtains N grades of serving cell echo signals.
With reference to the third possible implementation of second aspect of the embodiment of the present invention, in second aspect of the embodiment of the present invention
The 4th kind of possible implementation in, described device also includes：
6th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, N-1 grades of interfered cells not common channel reconstruction letter
Number and the N grades of serving cell echo signals, and export the 15th residual signal；
3rd balanced unit, is additionally operable to make the 15th residual signal equilibrium treatment, obtains N grades of interference small
Area's equalizing signal；
The fourth reconstructed unit, is additionally operable to carry out interfered cell not common to N grades of interfered cells equalizing signal
Blind channel is reconstructed or soft reconstruct, obtains N grades of interfered cell not common channel reconstruction chips；
The Volume Four product unit, is additionally operable to N grades of interfered cells not common channel reconstruction chip is small with disturbing
Convolution is made in area's time domain channel impulse response, obtains N grades of interfered cell not common channel reconstruction signals；
6th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, the N grades of interfered cells not common channel reconstruction signal
And the N grades of serving cell echo signals, and export the 16th residual signal；
3rd balanced unit, is additionally operable to make the 16th residual signal equilibrium treatment, obtains N+1 grades of interference
Cell equalizing signal；
The fourth reconstructed unit, is additionally operable to carry out the non-public affairs in interfered cell to N+1 grades of interfered cells equalizing signal
Blind channel reconstruct or soft reconstruct, obtain N+1 grades of interfered cell not common channel reconstruction chips altogether；
The Volume Four product unit, is additionally operable to N+1 grades of interfered cells not common channel reconstruction chip and interference
Convolution is made in the response of cell time domain channel impulse, obtains N+1 grades of interfered cell not common channel reconstruction signals；
6th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, N grades of interfered cells not common channel reconstruction letter
Number, the N grades of serving cell echo signals and the N+1 grades of interfered cells not common channel reconstruction signal, and export
17th residual signal；
3rd balanced unit, is additionally operable to make the 17th residual signal equilibrium treatment, obtains N+1 grades of services
Cell equalizing signal；
Described device also includes：
7th computing unit, for the N+1 grades of serving cell equalizing signals is non-plus the N grades of serving cells
Common signal channel reconstructed chip, and export the 7th cumulative signal；
The fourth reconstructed unit, is additionally operable to carry out serving cell not common Blind channel weight using the 7th cumulative signal
Structure or soft reconstruct, obtain N+1 grades of serving cell not common channel reconstruction chips；
The Volume Four product unit, is additionally operable to the N+1 grades of serving cells not common channel reconstruction chip and service
Convolution is made in the response of cell time domain channel impulse, obtains N+1 grades of serving cell echo signals.
With reference to the 4th kind of possible implementation of second aspect of the embodiment of the present invention, in second aspect of the embodiment of the present invention
The 5th kind of possible implementation in,
6th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, the N+1 grades of serving cell echo signals, the N
Level interfered cell not common channel reconstruction signal and the N+1 grades of interfered cells not common channel reconstruction signal, and export
18th residual signal；
3rd balanced unit, is additionally operable to make the 18th residual signal equilibrium treatment, obtains N+2 grades of interference
Cell equalizing signal；
7th computing unit, is additionally operable to the N+2 grades of interfered cell equalizing signals plus described N grades interference
Cell not common channel reconstruction chip, and export the 8th cumulative signal；
The fourth reconstructed unit, is additionally operable to carry out interfered cell not common Blind channel weight using the 8th cumulative signal
Structure or soft reconstruct, obtain N+2 grades of interfered cell not common channel reconstruction chips；
The Volume Four product unit, is additionally operable to N+2 grades of interfered cells not common channel reconstruction chip and interference
Convolution is made in the response of cell time domain channel impulse, obtains the N+2 grades of interfered cells not common channel reconstruction signal；
6th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, the N+1 grades of serving cell echo signals, the N
+ 1 grade of interfered cell not common channel reconstruction signal and the N+2 grades of interfered cells not common channel reconstruction signal, and it is defeated
Go out the 19th residual signal；
3rd balanced unit, is additionally operable to make the 19th residual signal equilibrium treatment, obtains N+3 grades of interference
Cell equalizing signal；
7th computing unit, is additionally operable to the N+3 grades of interfered cell equalizing signals plus described N grades interference
Cell not common channel reconstruction chip, and export the 9th cumulative signal；
The fourth reconstructed unit, is additionally operable to carry out interfered cell not common Blind channel weight using the 9th cumulative signal
Structure or soft reconstruct, obtain N+3 grades of interfered cell not common channel reconstruction chips；
The Volume Four product unit, is additionally operable to N+3 grades of interfered cells not common channel reconstruction chip and interference
Convolution is made in the response of cell time domain channel impulse, obtains the N+3 grades of interfered cells not common channel reconstruction signal；
6th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal and N+2 grades of interfered cell not common channel reconstruction letters
Number, N+3 grades of interfered cell not common channel reconstruction signals, and export the 20th residual signal；
3rd balanced unit, is additionally operable to make the 20th residual signal equilibrium treatment, obtains N+4 grades of services
Cell equalizing signal；
7th computing unit, is additionally operable to the N+4 grades of serving cell equalizing signals plus described N grades services
Cell not common channel reconstruction chip, and export the tenth cumulative signal；
The fourth reconstructed unit, is additionally operable to carry out serving cell not common Blind channel weight using the tenth cumulative signal
Structure or soft reconstruct, obtain N+4 grades of serving cell not common channel reconstruction chips；
The Volume Four product unit, is additionally operable to the N+4 grades of serving cells not common channel reconstruction chip and service
Convolution is made in the response of cell time domain channel impulse, obtains N+4 grades of serving cell echo signals.
In the 6th kind of possible implementation of second aspect of the embodiment of the present invention, described device also includes：
First convolution unit, for the serving cell common signal channel reconstructed chip for obtaining first reconfiguration unit
Make convolution with the response of serving cell time domain channel impulse, obtain first order serving cell common signal channel reconstruction signal；
Second computing unit, for the first order serving cell mesh for obtaining the described first linear interference cancellation unit
Mark signal adds the serving cell not common channel reconstruction chip that second reconfiguration unit is obtained, and it is cumulative to export first
Signal；
Second convolution unit, during for first cumulative signal that exports second computing unit with serving cell
Domain channel impulse response makees convolution, obtains first order serving cell not common channel reconstruction signal；
First balanced unit, is additionally operable to make at equilibrium the reception signal using the balance parameters of interfered cell
Reason, obtains interfered cell equalizing signal；
Described device also includes：
Third reconstructed unit, for disturbing the interfered cell equalizing signal that first balanced unit is obtained
The blind reconstruct of district common channel or soft reconstruct, obtain interfered cell common signal channel reconstructed chip；
3rd convolution unit, the interfered cell common signal channel for being additionally operable to obtain the third reconstructed unit reconstructs code
Piece makees convolution with the response of interfered cell time domain channel impulse, obtains first order interfered cell common signal channel reconstruction signal；
Fourth reconstructed unit, for disturbing the interfered cell equalizing signal that first balanced unit is obtained
The soft reconstruct of cell not common channel, obtains interfered cell not common channel reconstruction chip；Wherein, the interfered cell not common letter
Road is interfered cell channel of the receiving power more than the second pre-determined threshold in addition to the interfered cell common signal channel；
3rd computing unit, code is reconstructed for the interfered cell equalizing signal to be subtracted into the interfered cell common signal channel
Piece and the interfered cell not common channel reconstruction chip, and export the second residual signal；
Second linear disturbance eliminates unit, for making linear disturbance Processing for removing to second residual signal, obtains the
One-level interfered cell echo signal；
4th computing unit, for first order interfered cell echo signal to be believed plus the interfered cell not common
After road reconstructed chip, and export the second cumulative signal；
Volume Four product unit, for second cumulative signal and the response of interfered cell time domain channel impulse to be made into convolution,
Obtain first order interfered cell not common channel reconstruction signal；
Described device also includes：
5th computing unit, believes for the reception signal to be subtracted into the first order serving cell common signal channel reconstruct
Number, the first order interfered cell common signal channel reconstruction signal, the first order interfered cell not common channel reconstruction signal, and
Export the 3rd residual signal；
Second balanced unit, for the 3rd residual signal equilibrium treatment, obtaining second level serving cell equilibrium letter
Number；
5th reconfiguration unit is soft for carrying out serving cell not common channel to the second level serving cell equalizing signal
Reconstruct, obtains second level serving cell not common channel reconstruction chip；
6th computing unit, it is non-for the second level serving cell equalizing signal to be subtracted into the second level serving cell
Common signal channel reconstructed chip, and export the 4th residual signal；
Third linear interference cancellation unit, for making linear disturbance Processing for removing to the 4th residual signal, obtains the
Secondary service cell target signal.
With reference to the 6th kind of possible implementation of second aspect of the embodiment of the present invention, in second aspect of the embodiment of the present invention
The 7th kind of possible implementation in, described device also includes：
7th computing unit, for the second level serving cell echo signal is non-plus the second level serving cell
Common signal channel reconstructed chip, and export the 3rd cumulative signal；
5th convolution unit, for the 3rd cumulative signal and the response of serving cell time domain channel impulse to be made into convolution,
Obtain second level serving cell not common channel reconstruction signal；
5th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, first order serving cell not common channel reconstruction letter
Number and first order interfered cell not common channel reconstruction signal, and export the 5th residual signal；
Second balanced unit, is additionally operable to, to the 5th residual signal equilibrium treatment, obtain second level interfered cell
Equalizing signal；
5th reconfiguration unit, is additionally operable to carry out interfered cell not common to second level interfered cell equalizing signal
The soft reconstruct of channel, obtains second level interfered cell not common channel reconstruction chip；
6th computing unit, is additionally operable to second level interfered cell equalizing signal subtracting the second level interference
Cell not common channel reconstruction chip, and export the 6th residual signal；
The third linear interference cancellation unit, is additionally operable to make linear disturbance Processing for removing to the 6th residual signal,
Obtain second level interfered cell echo signal；
7th computing unit, is additionally operable to disturb second level interfered cell echo signal plus the second level
Cell not common channel reconstruction chip, and export the 4th cumulative signal；
5th convolution unit, is additionally operable to make the 4th cumulative signal and the response of interfered cell time domain channel impulse
Convolution, obtains second level interfered cell not common channel reconstruction signal；
5th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, N-1 grades of serving cell not common channel reconstruction signals with
And N-1 grades of interfered cell not common channel reconstruction signals, and the 7th residual signal is exported, wherein, the N is more than or equal to 3
Natural number；
Second balanced unit, is additionally operable to, to the 7th residual signal equilibrium treatment, obtain N grades of interfered cells equal
Weigh signal；
5th reconfiguration unit, is additionally operable to carry out interfered cell not common to N grades of interfered cells equalizing signal
The soft reconstruct of channel, obtains N grades of interfered cell not common channel reconstruction chips；
6th computing unit, is additionally operable to the N grades of interfered cell equalizing signals subtracting the N grades of interference small
Area's not common channel reconstruction chip, and export the 8th residual signal；
The third linear interference cancellation unit, is additionally operable to make linear disturbance Processing for removing to the 8th residual signal,
Obtain N grades of interfered cell echo signals；
7th computing unit, is additionally operable to the N grades of interfered cell echo signals is small plus the N grades of interference
Area's not common channel reconstruction chip, and export the 5th cumulative signal；
5th convolution unit, is additionally operable to make the 5th cumulative signal and the response of interfered cell time domain channel impulse
Convolution, obtains N grades of interfered cell not common channel reconstruction signals；
Described device also includes：
8th computing unit, believes for the reception signal to be subtracted into the first order serving cell common signal channel reconstruct
Number, the first order interfered cell common signal channel reconstruction signal, the N grades of interfered cells not common channel reconstruction signal, and
Export the 9th residual signal；
3rd balanced unit, for making equilibrium treatment to the 9th residual signal, obtains N+1 grades of serving cells balanced
Signal；
6th reconfiguration unit, for carrying out serving cell not common channel to the N+1 grades of serving cell equalizing signals
Blind reconstruct or soft reconstruct, obtain N+1 grades of serving cell not common channel reconstruction chips；
6th convolution unit, during for by the N+1 grades of serving cells not common channel reconstruction chip and serving cell
Domain channel impulse response makees convolution, obtains N+1 grades of serving cell echo signals.
With reference to the 7th kind of possible implementation of second aspect of the embodiment of the present invention, in second aspect of the embodiment of the present invention
The 8th kind of possible implementation in：
8th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, N+1 grades of serving cell echo signals and described
N grades of interfered cell not common channel reconstruction signals, and export the tenth residual signal；
3rd balanced unit, is additionally operable to make the tenth residual signal equilibrium treatment, obtains N+2 grades of interference small
Area's equalizing signal；
6th reconfiguration unit, is additionally operable to carry out the non-public affairs in interfered cell to N+2 grades of interfered cells equalizing signal
Blind channel reconstruct or soft reconstruct, obtain N+2 grades of interfered cell not common channel reconstruction chips altogether；
6th convolution unit, is additionally operable to N+2 grades of interfered cells not common channel reconstruction chip and interference
Convolution is made in the response of cell time domain channel impulse, obtains N+2 grades of interfered cell not common channel reconstruction signals；
8th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, the N+1 grades of serving cell echo signals and
The N+2 grades of interfered cells not common channel reconstruction signal, and export the 11st residual signal；
3rd balanced unit, is additionally operable to make the 11st residual signal equilibrium treatment, obtains N+3 grades of interference
Cell equalizing signal；
6th reconfiguration unit, is additionally operable to carry out the non-public affairs in interfered cell to N+3 grades of interfered cells equalizing signal
Blind channel reconstruct or soft reconstruct, obtain N+3 grades of interfered cell not common channel reconstruction chips altogether；
6th convolution unit, is additionally operable to N+3 grades of interfered cells not common channel reconstruction chip and interference
Convolution is made in the response of cell time domain channel impulse, obtains N+3 grades of interfered cell not common channel reconstruction signals；
8th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, the N+1 grades of serving cell echo signals, the N
+ 2 grades of interfered cell not common channel reconstruction signals and the N+3 grades of interfered cells not common channel reconstruction signal, and it is defeated
Go out the 12nd residual signal；
3rd balanced unit, is additionally operable to make the 12nd residual signal equilibrium treatment, obtains N+4 grades of services
Cell equalizing signal；
Described device also includes：
9th computing unit, for the N+4 grades of serving cell equalizing signals to be added into the N+1 grades of serving cells
Not common channel reconstruction chip, and export the 6th cumulative signal；
6th reconfiguration unit, is additionally operable to carry out serving cell not common Blind channel weight according to the 6th cumulative signal
Structure or soft reconstruct, obtain N+4 grades of serving cell not common channel reconstruction chips；
6th convolution unit, is additionally operable to the N+4 grades of serving cells not common channel reconstruction chip and service
Convolution is made in the response of cell time domain channel impulse, obtains N+4 grades of serving cell echo signals.
With reference to the 8th kind of possible implementation of second aspect of the embodiment of the present invention, in second aspect of the embodiment of the present invention
The 9th kind of possible implementation in：
8th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, the N+4 grades of serving cell echo signals, the N
+ 2 grades of interfered cell not common channel reconstruction signals and the N+3 grades of interfered cells not common channel reconstruction signal, and it is defeated
Go out the 13rd residual signal；
3rd balanced unit, is additionally operable to make the 13rd residual signal equilibrium treatment, obtains N+5 grades of interference
Cell equalizing signal；
9th computing unit, is additionally operable to do the N+5 grades of interfered cell equalizing signals plus described N+2 grades
Cell not common channel reconstruction signal is disturbed, and exports the 7th cumulative signal；
6th reconfiguration unit, is additionally operable to carry out interfered cell not common Blind channel weight according to the 7th cumulative signal
Structure or soft reconstruct, obtain N+5 grades of interfered cell not common channel reconstruction chips；
6th convolution unit, is additionally operable to N+5 grades of interfered cells not common channel reconstruction chip and interference
Convolution is made in the response of cell time domain channel impulse, obtains the N+5 grades of interfered cells not common channel reconstruction signal；
8th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, the N+4 grades of serving cell echo signals, the N
+ 5 grades of interfered cell not common channel reconstruction signals and the N+3 grades of interfered cells not common channel reconstruction signal, and it is defeated
Go out the 14th residual signal；
3rd balanced unit, is additionally operable to make the 14th residual signal equilibrium treatment, obtains N+6 grades of interference
Cell equalizing signal；
9th computing unit, is additionally operable to do the N+6 grades of interfered cell equalizing signals plus described N+3 grades
Cell not common channel reconstruction signal is disturbed, and exports the 8th cumulative signal；
6th reconfiguration unit, is additionally operable to carry out interfered cell not common Blind channel weight according to the 8th cumulative signal
Structure or soft reconstruct, obtain N+6 grades of interfered cell not common channel reconstruction chips；
6th convolution unit, is additionally operable to N+6 grades of interfered cells not common channel reconstruction chip and interference
Convolution is made in the response of cell time domain channel impulse, obtains N+6 grades of interfered cell not common channel reconstruction signals；
8th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel weight
Structure signal, the first order interfered cell common signal channel reconstruction signal, N+5 grades of interfered cells not common channel reconstruction letter
Number and the N+6 grades of interfered cells not common channel reconstruction signal, and export the 15th residual signal；
3rd balanced unit, is additionally operable to make the 15th residual signal equilibrium treatment, obtains N+7 grades of services
Cell equalizing signal；
9th computing unit, is additionally operable to the N+7 grades of serving cell equalizing signals plus described N+1 grades clothes
Business cell not common channel reconstruction chip, and export the 9th cumulative signal；
6th reconfiguration unit, is additionally operable to carry out serving cell not common Blind channel weight according to the 9th cumulative signal
Structure or soft reconstruct, obtain N+7 grades of serving cell not common channel reconstruction chips；
6th convolution unit, is additionally operable to the N+7 grades of serving cells not common channel reconstruction chip and service
Convolution is made in the response of cell time domain channel impulse, obtains N+7 grades of serving cell echo signals.
With reference to it is any in the first to nine kind of second aspect of the embodiment of the present invention or second aspect of the embodiment of the present invention can
The implementation of energy, in the tenth kind of possible implementation of second aspect of the embodiment of the present invention, first reconfiguration unit
The blind reconstruct or soft heavy of serving cell common signal channel is carried out to the serving cell equalizing signal that first balanced unit is obtained
Structure, obtain serving cell common signal channel reconstructed chip mode be specially：
The serving cell equalizing signal that first reconfiguration unit is obtained to first balanced unit carries out descrambling and de-spreading,
Obtain the serving cell common signal channel symbol；And common signal channel reconstruct symbol is carried out to the serving cell common signal channel symbol
It is number hard sentence or it is soft sentence, obtain serving cell common signal channel reconstruct symbol；And symbol is reconstructed to the serving cell common signal channel
Spectrum-spreading and scrambling is carried out, to obtain serving cell common signal channel reconstructed chip.
With reference to it is any in the first to nine kind of second aspect of the embodiment of the present invention or second aspect of the embodiment of the present invention can
The implementation of energy, in a kind of the tenth possible implementation of second aspect of the embodiment of the present invention, second reconstruct is single
Member carries out the soft reconstruct of serving cell not common channel to the serving cell equalizing signal that first balanced unit is obtained, and obtains
The mode of serving cell not common channel reconstruction chip is specially：
The serving cell equalizing signal that second reconfiguration unit is obtained to first balanced unit carries out descrambling and de-spreading,
Obtain serving cell common signal channel symbol；And not common channel reconstruction symbol is carried out to the serving cell common signal channel symbol
It is soft to sentence, obtain serving cell not common channel reconstruction symbol；And the serving cell not common channel reconstruction symbol is carried out
Spectrum-spreading and scrambling, obtains the not common channel reconstruction chip that serving cell power exceedes thresholding.
The third aspect of the embodiment of the present invention discloses a kind of receiver, and the receiver includes second aspect of the embodiment of the present invention
Disclosed interference blanking unit and the reception antenna being connected with the interference blanking unit, wherein, the reception antenna is used for
Signal is received, and the reception signal is inputted to the interference blanking unit.
In the embodiment of the present invention, the blind reconstruct of serving cell common signal channel or soft reconstruct are carried out to serving cell equalizing signal,
And the reconstruct for the collection of letters number that can be achieved a butt joint to the progress soft reconstruct of serving cell not common channel of serving cell equalizing signal is done
Elimination is disturbed, serving cell equalizing signal is further subtracted into serving cell common signal channel reconstructed chip and the non-public affairs of serving cell
Making linear disturbance Processing for removing after channel reconstruction chip altogether can realize that combining reconstruct interference cancellation techniques and linear disturbance disappears
Except technology to carry out interference elimination treatment to the reception signal of receiver simultaneously, with being carried out only with linear disturbance technology for eliminating
Interference elimination treatment is compared, the embodiment of the present invention can more effectively cancellation receiver signal interference.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below by using required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 a are the process schematics that a kind of interference disclosed in the embodiment of the present invention is eliminated；
Fig. 1 b are a kind of flow charts of interference elimination method disclosed in the embodiment of the present invention；
Fig. 2 is the process schematic that a kind of interference disclosed in the embodiment of the present invention is eliminated；
Fig. 3 is a kind of process schematic of part iterative interference cancellation disclosed in the embodiment of the present invention；
Fig. 4 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Fig. 5 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Fig. 6 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Fig. 7 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Fig. 8 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Fig. 9 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 10 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 11 is the process schematic that another interference disclosed in the embodiment of the present invention is eliminated；
Figure 12 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 13 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 14 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 15 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 16 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 17 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 18 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 19 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 20 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 21 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 22 is the process schematic of another part iterative interference cancellation disclosed in the embodiment of the present invention；
Figure 23 is a kind of structural representation of interference blanking unit disclosed in the embodiment of the present invention；
Figure 24 is the structural representation of another interference blanking unit disclosed in the embodiment of the present invention；
Figure 25 is a kind of structural representation of iteration interference sections disclosed in the embodiment of the present invention；
Figure 26 is the structural representation of another interference blanking unit disclosed in the embodiment of the present invention；
Figure 27 is the structural representation of another iteration interference sections disclosed in the embodiment of the present invention；
The structural representation of another interference blanking unit disclosed in Figure 28 embodiment of the present invention；
A kind of structural representation of receiver disclosed in Figure 29 embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention discloses a kind of interference elimination method and device, receiver, in the interference elimination method, such as
Shown in Fig. 1 a, it is possible to use equilibrium treatment is made in the balance parameters docking collection of letters number of serving cell, obtains serving cell equalizing signal；
The blind reconstruct of serving cell common signal channel or soft reconstruct are carried out to serving cell equalizing signal, the reconstruct of serving cell common signal channel is obtained
Chip（Chip is also encoded signal）；And the soft reconstruct of serving cell not common channel is carried out to serving cell equalizing signal, obtain
Serving cell not common channel reconstruction chip is obtained, wherein, serving cell not common channel is in addition to district common channel is serviced
Serving cell channel of the receiving power more than the first pre-determined threshold；Serving cell equalizing signal is subtracted into serving cell common signal channel
Reconstructed chip and serving cell not common channel reconstruction chip, then make linear disturbance Processing for removing, obtain first order service
Cell target signal.The embodiment of the present invention can combine reconstruct interference cancellation techniques and linear disturbance technology for eliminating comes while right
The reception signal of receiver carries out interference elimination treatment, is disturbed so as to the signal of more effectively cancellation receiver.Wherein, line
The specific implementation method of property interference elimination treatment has been introduced in the prior art, for example, may refer to WO2007/
102897A2, the present embodiment is not illustrated, and the purpose that linear disturbance is eliminated removes interfered cell to serving cell
Receive the interference that signal is caused.The echo signal of one cell namely carries out the cell obtained after linear disturbance elimination
Signal.Equilibrium treatment may include that at least one of frequency domain equalization and time domain equalization are done in the docking collection of letters number.Frequency domain equalization is used to disappear
Except the distortion for receiving signal, time domain equalization is used to eliminate the intersymbol interference for receiving signal.Serving cell equalizing signal is exactly to dock
The result that equilibrium treatment is obtained is done in the collection of letters number.The reconstruction signal of the cell namely does the knot that reconstruct is obtained to the cell signal
Really.In embodiments of the present invention, multistage different type computing can be carried out（Linear disturbance as described above is eliminated, at equilibrium
Reason or reconstruction processing）, obtain multistage different districts（Serving cell or interfered cell）Echo signal, equalizing signal or reconstruct letter
Number.It is described in detail individually below.
The embodiment of the present invention can be applicable in wireless receiver, such as wireless terminal（Also it is user equipment）Or base station etc..
In one in embodiment, the wireless receiver is by performing the present embodiment method or using the structure of follow up device embodiment can
To realize the signal interference of effectively cancellation receiver, the result of calculation of the signal of cell required for obtaining.User equipment is seen logical
The serving cell common signal channel of crossing is connected with cordless communication network, in addition to the serving cell common signal channel, UE and nothing
Other channels between line communication network are serving cell not common channels.In the present embodiment, serving cell is exactly that base station is used
To provide the cell of service for wireless terminal.Interfered cell be exactly wireless terminal when serving cell works, to the serving cell
Working signal formation interference cell.
Fig. 1 b are referred to, Fig. 1 b are a kind of flow charts of interference elimination method disclosed in the embodiment of the present invention.Such as Fig. 1 b institutes
Show, the interference elimination method may comprise steps of.
101st, make equilibrium treatment using the balance parameters docking collection of letters number of serving cell, obtain serving cell equalizing signal.
In the embodiment of the present invention, the balance parameters of serving cell can include related to the known pilot signal of serving cell
Obtained channel estimation results, the received signal power of serving cell and noise power.Correspondingly, it is possible to use small with servicing
Channel estimation results, the received signal power of serving cell and the noise power that the known pilot signal correlation in area is obtained are come pair
Receive signal and make equilibrium treatment, to obtain serving cell equalizing signal.
In the embodiment of the present invention, equilibrium refers to that the balanced device of the equilibrium to the characteristic of channel, i.e. receiver is produced and channel phase
Anti- characteristic, for offsetting intersymbol interference caused by the time-varying multipath transmisstion characteristic of channel.In other words, eliminated by balanced device
The frequency of channel and the selectivity of time.Wherein, equilibrium has two Basic Ways：One is frequency domain equalization, and it makes to include balanced device
Total transfer function of whole system inside meets the condition of undistorted transmission.When it often corrects amplitude versus frequency characte and group respectively
Delay characteristics, sequential equilibrium generally uses this frequency domain equalization method.Two be time domain equalization, is exactly directly to consider from time response, makes
The impulse response of whole system including balanced device meets the condition without intersymbol interference.Make on the docking collection of letters number at equilibrium
Reason, obtains serving cell equalizing signal, and the embodiment of the present invention subsequently can be also introduced by specific embodiment, herein first not
It is described in detail.
102nd, the blind reconstruct of serving cell common signal channel or soft reconstruct are carried out to serving cell equalizing signal, serving cell is obtained
Common signal channel reconstructed chip, and serving cell common signal channel reconstructed chip is rolled up with the response of serving cell time domain channel impulse
Product, obtains first order serving cell common signal channel reconstruction signal.
In the embodiment of the present invention, serving cell common signal channel can include at least one of following：Primary synchronization channel
（Primary Synchronization Channel, P-SCH）, auxiliary synchronization channel（Secondary Synchronization
Channel, S-SCH）, Primary Common Pilot Channel（Primary Common Pilot Channel, P-CPICH）, Your Majesty controls altogether
Physical channel processed（Primary Common Control Physical Channel, P-CCPCH）And Page Indication Channel
（Paging Indicator Channel, PICH）Deng.
For example, in the embodiment of the present invention, because P-SCH, S-SCH and P-CPICH chip carried respectively are
Know sequence cP-SCH。cS-SCHAnd cP-CPICH, it is necessary to explanation, the known array in the present embodiment is predefined in air protocol
Sequence, and these known arrays are known to terminal in advance.By taking P-SCH as an example, serving cell sends bag in P-SCH each time slot
Include the Primary Synchronisation Code C of 256 chipsP-SCH, so that terminal carries out slot synchronization（For system, the main synchronization of each cell
Code all same）, wherein, cP-SCHPSC codes, P-SCH codes, main synchronizing sequence etc. can also be referred to as.For S-SCH, on S-SCH
What is sent is to include the auxiliary synchronous code c of 256 chipsS-SCH, each cS-SCHIt is to be chosen from 16 different chip sequences
, the c sent on the s-schS-SCH64 kinds of determined combinations are had, wherein, cS-SCHAlso known as SSC codes, S-SCH codes, auxiliary synchronization
Sequence etc..Therefore, can be from serving cell equalizing signal if the chip of serving cell common signal channel carrying is known array
Predetermined sequence is extracted, such as：cP-SCH、cS-SCHAnd cP-CPICH, and according to known array cP-SHC、cS-SCHAnd cP-CPICHTo reconstruct（I.e.
Blind reconstruct or soft reconstruct）P-SCH, S-SCH and P-CPICH reconstructed chip.
For example, in the embodiment of the present invention, because P-CCPCH, PICH chip carried are unknown nucleotide sequences, i.e., terminal is real
These sequences are not known now, therefore, if serving cell common signal channel（Including P-CCPCH, PICH etc.）The chip of carrying is unknown
It is above-mentioned that the blind reconstruct of serving cell common signal channel or soft reconstruct are carried out to serving cell equalizing signal during sequence, obtain serving cell
Common signal channel reconstructed chip may comprise steps of：
A1, to serving cell equalizing signal carry out descrambling and de-spreading, to obtain serving cell common signal channel symbol.
B1, common signal channel reconstruct symbol is carried out to serving cell common signal channel symbol sentence firmly or soft sentence（How one is accorded with
Number do and hard to sentence or the soft specific implementation sentenced is reference can be made to other prior arts）, to obtain serving cell common signal channel reconstruct symbol
Number.
C1, to serving cell common signal channel reconstruct symbol carry out spectrum-spreading and scrambling, with obtain serving cell common signal channel reconstruct
Chip.
In the embodiment of the present invention, on carrying out the blind reconstruct or soft heavy of serving cell common signal channel to serving cell equalizing signal
Structure, obtains serving cell common signal channel reconstructed chip, and the embodiment of the present invention subsequently can be also introduced by specific embodiment,
First it is not described in detail herein.
103rd, the soft reconstruct of serving cell not common channel is carried out to serving cell equalizing signal, obtains serving cell not common
Channel reconstruction chip, wherein, serving cell not common channel be except service district common channel in addition to receiving power more than first
The serving cell channel of pre-determined threshold；And by serving cell equalizing signal subtract serving cell common signal channel reconstructed chip and
Make linear disturbance Processing for removing after serving cell not common channel reconstruction chip, obtain first order serving cell echo signal.
In the embodiment of the present invention, not common channel can include special signal and shared channel etc..
In the embodiment of the present invention, the soft reconstruct of serving cell not common channel is carried out to serving cell equalizing signal, taken
Business cell not common channel reconstruction chip may comprise steps of：
A2, to serving cell equalizing signal carry out descrambling and de-spreading, to obtain serving cell common signal channel symbol.
B2, carry out that not common channel reconstruction symbol is soft sentences to serving cell common signal channel symbol, it is non-to obtain serving cell
Common signal channel reconstructs symbol.
C2, to serving cell not common channel reconstruction symbol carry out spectrum-spreading and scrambling, exceeded with the power for obtaining serving cell
The not common channel reconstruction chip of thresholding.
104th, first order serving cell echo signal is added after serving cell not common channel reconstruction chip with servicing small
Convolution is made in area's time domain channel impulse response, obtains first order serving cell not common channel reconstruction signal.
As an alternative embodiment, the interference elimination method described by Fig. 1 can also comprise the following steps：
A3, collected mail using the balance parameters docking of interfered cell and number make equilibrium treatment, obtain interfered cell equalizing signal.
In the embodiment of the present invention, the balance parameters of interfered cell can include related to the known pilot signal of interfered cell
Obtained channel estimation results, the received signal power of interfered cell and noise power.Correspondingly, it is possible to use small with disturbing
Channel estimation results, the received signal power of interfered cell and the noise power that the known pilot signal correlation in area is obtained are come pair
Receive signal and make equilibrium treatment, to obtain interfered cell equalizing signal.
B3, to interfered cell equalizing signal carry out interfered cell common signal channel it is blind reconstruct or soft reconstruct, acquisition interfered cell
Common signal channel reconstructed chip, and interfered cell common signal channel reconstructed chip is rolled up with the response of interfered cell time domain channel impulse
Product, obtains first order interfered cell common signal channel reconstruction signal.
In the embodiment of the present invention, on carrying out common signal channel blind reconstruct or soft heavy in interfered cell to interfered cell equalizing signal
Structure, obtains interfered cell common signal channel reconstructed chip, and the embodiment of the present invention subsequently can be also introduced by specific embodiment,
First it is not described in detail herein.
In the embodiment of the present invention, the blind reconstruct of interfered cell common signal channel or soft reconstruct are carried out to interfered cell equalizing signal,
It is with carrying out the blind reconstruct of serving cell common signal channel to serving cell equalizing signal to obtain interfered cell common signal channel reconstructed chip
Or soft reconstruct, obtain serving cell common signal channel reconstructed chip it is similar, after the embodiment of the present invention extended meeting pass through specific implementation
Example is introduced, and is herein first not described in detail.
Further, as an alternative embodiment, interference elimination method described by Fig. 1 can also include with
Lower step：
A4, to interfered cell equalizing signal carry out the soft reconstruct of interfered cell not common channel, acquisition interfered cell not common
Channel reconstruction chip, and interfered cell equalizing signal is subtracted into the non-public affairs of interfered cell common signal channel reconstructed chip and interfered cell
Make linear disturbance Processing for removing after channel reconstruction chip altogether, obtain first order interfered cell echo signal；Wherein, interfered cell is non-
Common signal channel is interfered cell channel of the receiving power more than the second pre-determined threshold in addition to the common signal channel of interfered cell；Wherein,
Second pre-determined threshold and above-mentioned first pre-determined threshold can be with identical or differ；
B4, by first order interfered cell echo signal add interfered cell not common channel reconstruction chip after with interfered cell
Convolution is made in time domain channel impulse response, obtains first order interfered cell not common channel reconstruction signal.
For example, referring to Fig. 2, Fig. 2 is the process schematic that a kind of interference disclosed in the embodiment of the present invention is eliminated.Such as
Shown in Fig. 2, equilibrium treatment can be made to the reception signal r of receiver, respectively obtain the equalizing signal of serving cell 1, interfered cell 2
Equalizing signal and the equalizing signal of interfered cell 3；Wherein, equilibrium treatment is made to the reception signal r of receiver, obtains serving cell 1
The process of equalizing signal, the equalizing signal of interfered cell 2 and the equalizing signal of interfered cell 3 is specifically as follows：
Estimated according to obtained channel related to the known pilot signal of serving cell 1, interfered cell 2 and interfered cell 3
Count result H1, H2And H3, the received signal power P of each cell1 (1), P2 (1)And P3 (1), and noise power Pn (1), taken respectively
Cell 1 of being engaged in equalizing signal x1 (1), the equalizing signal x of interfered cell 22 (1)And the equalizing signal x of interfered cell 33 (1)It is as follows：
Wherein, ()TRepresenting matrix transposition,Representing matrix conjugate transposition, ()-1Representing matrix is inverted, eDRepresent
One except vector that the D element is that 1 other elements are 0.
Further, in the embodiment of the present invention, the equalizing signal x of serving cell 1 is being obtained1 (1), the balanced letter in interfered cell 2
Number x2 (1)And the equalizing signal x of interfered cell 33 (1)Afterwards, can be according to serving cell equalizing signal and interfered cell equalizing signal
Serving cell, interfered cell common signal channel reconstruction signal and not common channel reconstruction signal are reconstructed respectively.Wherein, as shown in Fig. 2
The process of serving cell common signal channel reconstruction signal and not common channel reconstruction signal is being reconstructed according to serving cell equalizing signal
In, it is necessary to reconstruct serving cell common signal channel reconstructed chip and serving cell not common respectively according to serving cell equalizing signal
Channel reconstruction chip.By taking WCDMA as an example, common signal channel includes P-SCH, S-SCH, P-CPICH, P-CCPCH and PICH, Er Feigong
Channel includes dedicated channel and shared channel altogether.By taking serving cell 1 as an example, it is due to what P-SCH, S-SCH and P-CPICH were carried
Known array cP-SHC、cP-SHCAnd cP-CPICH, therefore their reconstruction signal is respectively：
rC1, P-CPICH=h1*cP-CPICH
Wherein,P-SCH reconstructed chips are represented,Represent S-SCH reconstruct codes
Piece, h1The response of the time domain channel impulse of serving cell 1 is represented, * represents to make convolution, POP-SCHRepresent work(of the P-SCH with respect to P-CPICH
Rate is biased, POS-SCHRepresent power bias of the S-SCH with respect to P-CPICH.Due to the unknown nucleotide sequence that P-CCPCH and PICH are carried, because
This, it is necessary to be sentenced firmly or soft sentenced during serving cell common signal channel reconstructed chip is reconstructed.It is first by taking P-CCPCH as an example
First to serving cell equalizing signal x1 (1)Descrambling and de-spreading is carried out, to obtain P-CCPCH symbols sP-CCPCH, i.e.,：
Wherein, cSc,(n) scrambler of serving cell 1, c are representedOVSF, P-CCPCH(n) P-CCPCH ovsf code, N are representedP-CCPCH
Represent P-CCPCH spreading factor.
Then, to sP-CCPCHSentenced firmly, to obtain P-CCPCH reconstruct symbolsI.e.：
Wherein, a represents amplitude, dkThe standard symbol of modulation system used in P-CCPCH is represented, | | represent modulus.
Or, to sP-CCPCHProgress is soft to be sentenced, to obtain P-CCPCH reconstruct symbolsI.e.：
Wherein, K represents the standard symbol number that modulation system used in P-CCPCH is included, Pr (）Represent probability.
Secondly, symbol is reconstructed to P-CCPCHSpectrum-spreading and scrambling is carried out, it is hereby achieved that P-CCPCH reconstructs code
Piece cP-CCPCH, i.e.,：
Further, can be by P-CCPCH reconstructed chips cP-CCPCHH is responded with serving cell time domain channel impulse1Roll up
Product, obtains first order serving cell P-CCPCH reconstruction signals rC1, P-CCPCH, i.e.,：
rC1, P-CCPCH=h1*cP-CCPCH
Wherein, POP-CCPCHRepresent power bias of the P-CCPCH with respect to P-CPICH.
It is similar with reconstruct P-CCPCH reconstruction signals in the embodiment of the present invention, descrambling solution is carried out to serving cell equalizing signal
Expand and obtain after serving cell common signal channel symbol, soft to the progress of serving cell common signal channel symbol can sentence, it is small to obtain service
Area's not common channel reconstruction symbol；It is possible to further carry out spectrum-spreading and scrambling to serving cell work(not common channel reconstruction symbol,
To obtain serving cell power not common channel reconstruction chip cd1, i.e.,：
Wherein, J represents the number of serving cell not common channel, POjRepresent work(of the not common channel j with respect to P-CPICH
Rate is biased,Represent not common channel j reconstruct symbols, cOVSF, jRepresent not common channel j ovsf code, CSC, 1Represent that service is small
The scrambler in area 1.
In the embodiment of the present invention, as shown in Fig. 2 serving cell equalizing signal can be subtracted to serving cell common signal channel weight
Structure chip and serving cell not common channel reconstruction chip, i.e.,：
Then, to y1Make linear disturbance Processing for removing, i.e., y first1To descrambling and de-spreading：
Wherein, CSC, 1The diagonal matrix that the scrambler of serving cell 1 is constituted is represented, W represents the ovsf code that all spreading factors are N
The matrix of composition.
Secondly, the power of each code channel is counted, for example, is counted by cumulative mean, i.e.,：
Wherein, z1nmM-th of symbol of n-th of code channel is represented, M represents cumulative symbolic number.Again with each code channel power fall
It is several that descrambling and de-spreading result is weighted, and add after expansion scrambling from y1In cut, you can obtain the first order after AF panel service it is small
The echo signal y ' of area 11I.e.：
Wherein, ΔΔFor λ1∶1The diagonal matrix that may make up, μ1For weight coefficient, and
Finally, by y '1With the not common channel reconstruction chip c of serving cell 1c1Rushed after addition with the time domain channel of serving cell 1
Swash response h1Make convolution, obtain the not common channel reconstruction signal of first order serving cell 1I.e.：
In the embodiment of the present invention, interfered cell common signal channel reconstruction signal and non-public affairs are reconstructed according to interfered cell equalizing signal
The detailed process of channel reconstruction signal is believed with above-mentioned according to the reconstruct serving cell common signal channel reconstruct of serving cell equalizing signal altogether
Number it is similar with the detailed process of not common channel reconstruction signal, the embodiment of the present invention is not described in detail.
As an alternative embodiment, the interference elimination method described by Fig. 1 can also comprise the following steps, with reality
Existing further iterative interference cancellation, i.e.,：
A5, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Make equilibrium treatment after road reconstruction signal, first order interfered cell not common channel reconstruction signal, obtain second level serving cell equal
Weigh signal.
B5, to second level serving cell equalizing signal carry out the soft reconstruct of serving cell not common channel, obtain the second level take
Business cell not common channel reconstruction chip, and second level serving cell equalizing signal is subtracted into second level serving cell not common letter
Make linear disturbance Processing for removing after road reconstructed chip, obtain second level serving cell echo signal.
Further, it can also include：
C5, by second level serving cell echo signal add second level serving cell not common channel reconstruction chip after with clothes
Convolution is made in the time domain channel impulse response of business cell, obtains second level serving cell not common channel reconstruction signal.
Further, as an alternative embodiment, interference elimination method described by Fig. 1 can also include with
Lower step, to realize further iterative interference cancellation, i.e.,：
A6, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Road reconstruction signal, first order serving cell not common channel reconstruction signal and first order interfered cell not common channel reconstruction letter
Make equilibrium treatment after number, obtain second level interfered cell equalizing signal；
B6, not common channel soft reconstruct in interfered cell is carried out to second level interfered cell equalizing signal, obtain the second level dry
Cell not common channel reconstruction chip is disturbed, and second level interfered cell equalizing signal is subtracted into second level interfered cell not common letter
Make linear disturbance Processing for removing after road reconstructed chip, obtain second level interfered cell echo signal；
C6, by second level interfered cell echo signal add after the not common channel reconstruction chip of second level interfered cell with it is dry
Disturb the response of cell time domain channel impulse and make convolution, obtain second level interfered cell not common channel reconstruction signal.
For example, referring to Fig. 3, Fig. 3 is a kind of process of part iterative interference cancellation disclosed in the embodiment of the present invention
Schematic diagram.As shown in figure 3, can will receive signal r subtracts the common signal channel reconstruction signal of first order serving cell 1（That is rc1）,
One-level interfered cell（That is interfered cell 2 and 3）Common signal channel reconstruction signal（That is rc2And rc3）, first order interfered cell（Disturb
Cell 2 and 3）Not common channel reconstruction signal（That is ro2 (1)And ro3 (1)）After make equilibrium treatment, obtain second level serving cell 1 equal
Weigh signal（That is N=2）, i.e.,：
Wherein, re=r-rc1-rc2-rc3 WithServing cell during iterative interference cancellation is represented respectively
1st, the received signal power of interfered cell 2 and 3.Further, as shown in figure 3, can believe according to second level serving cell 1 is balanced
Number not common channel reconstruction chip of soft reconstruct second level serving cell 1, and the equalizing signal of second level serving cell 1 is subtracted second
Make linear disturbance Processing for removing after the level not common channel reconstruction chip of serving cell 1, obtain the target of second level serving cell 1 letter
Number；And, by the echo signal of second level serving cell 1 add the not common channel reconstruction chip of second level serving cell 1 after with clothes
Cell 1 of being engaged in time domain channel impulse response h1Make convolution, obtain the not common channel reconstruction signal r of second level serving cell 1o1 (2)。
As shown in figure 3, can will receive signal r subtracts the common signal channel reconstruction signal of first order serving cell 1（That is rc1）,
One-level interfered cell（That is interfered cell 2 and 3）Common signal channel reconstruction signal（That is rc2And rc3）, the not common of first order serving cell 1
Channel reconstruction signal（That is ro1 (1)）And and the not common channel reconstruction signal of first order interfered cell 3（That is ro3 (1)）Make afterwards balanced
Processing, obtains the equalizing signal of second level interfered cell 2（That is N=2）.Further, as shown in figure 3, can be disturbed according to the second level
The not common channel reconstruction chip of the equalizing signal of cell 2 soft reconstruct second level interfered cell 2, and second level interfered cell 2 is balanced
Signal, which is subtracted, makees linear disturbance Processing for removing after the not common channel reconstruction chip of second level interfered cell 2, obtain second level interference
The echo signal of cell 2；And, the echo signal of second level interfered cell 2 is added into the not common channel reconstruction of second level interfered cell 2
After chip h is responded with the time domain channel impulse of interfered cell 22Make convolution, obtain the not common channel reconstruction of second level interfered cell 2 letter
Number ro2 (2)。
As shown in figure 3, can will receive signal r subtracts the common signal channel reconstruction signal of first order serving cell 1（That is rc1）,
One-level interfered cell（That is interfered cell 2 and 3）Common signal channel reconstruction signal（That is rc2And rc3）, the not common of first order serving cell 1
Channel reconstruction signal（That is ro1 (1)）And and the not common channel reconstruction signal of first order interfered cell 2（That is ro2 (1)）Make afterwards balanced
Processing, obtains the equalizing signal of second level interfered cell 3（That is N=2）.Further, as shown in figure 3, can be disturbed according to the second level
The not common channel reconstruction chip of the equalizing signal of cell 3 soft reconstruct second level interfered cell 3, and second level interfered cell 3 is balanced
Signal, which is subtracted, makees linear disturbance Processing for removing after the not common channel reconstruction chip of second level interfered cell 3, obtain second level interference
The echo signal of cell 3；And, the echo signal of second level interfered cell 3 is added into the not common channel reconstruction of second level interfered cell 3
Time domain channel impulse after chip with interfered cell 3 responds h3Make convolution, obtain the not common channel reconstruction of second level interfered cell 3
Signal ro2 (2)。
During the part iterative interference cancellation shown in Fig. 3, according to the soft reconstruct the of second level serving cell equalizing signal
It is balanced according to first order serving cell that the process of secondary service cell not common channel reconstruction chip and preceding embodiment are described
The process of the soft reconstruct serving cell not common channel reconstruction chip of signal is identical, and soft according to second level interfered cell equalizing signal
What the process and preceding embodiment for reconstructing second level interfered cell not common channel reconstruction chip were described disturbs small according to the first order
The process of the soft reconstruct interfered cell not common channel reconstruction chip of area's equalizing signal is also identical, also, is changed in the part shown in Fig. 3
For in interference cancellation process, what linear disturbance was eliminated implements the tool for the linear disturbance elimination that process is described with preceding embodiment
Body implementation process is identical, and the embodiment of the present invention is not repeated.
In the embodiment of the present invention, the part iterative interference cancellation process shown in Fig. 3 can be repeated several times, the present invention
Embodiment is not construed as limiting.
For example, referring to Fig. 4, Fig. 4 is the mistake of another part iterative interference cancellation disclosed in the embodiment of the present invention
Journey schematic diagram.Compared with Fig. 3, Fig. 4 can only carry out the part iterative interference cancellation of interfered cell 2 and 3.As shown in figure 4, can be with
Signal r will be received and subtract the common signal channel reconstruction signal of first order serving cell 1（That is rc1）, first order interfered cell（Disturb small
Area 2 and 3）Common signal channel reconstruction signal（That is rc2And rc3）, N-1 grades of serving cells 1（N is the natural number more than or equal to 3）Non- public affairs
Common channel reconstruction signal（That is ro1 (N-1)）And the N-1 grades of not common channel reconstruction signals of interfered cell 3（That is ro3 (N-1)）Make afterwards equal
Weighing apparatus processing, obtains the N grades of equalizing signals of interfered cell 2；It is possible to further be done to the N grades of equalizing signals of interfered cell 2
Disturb the soft reconstruct of cell not common channel, obtain the N grades of not common channel reconstruction chips of interfered cell 2, and by N grades of interfered cells
2 equalizing signals, which are subtracted, makees linear disturbance Processing for removing after the N grades of not common channel reconstruction chips of interfered cell 2, obtain N grades and do
Disturb the echo signal of cell 2；And then, can be by the N grades of echo signals of interfered cell 2 plus the N grades of not common channels of interfered cell 2
After reconstructed chip h is responded with the time domain channel impulse of interfered cell 22Make convolution, obtain the N grades of not common channel weights of interfered cell 2
Structure signal ro2 (N)。
As shown in figure 4, can will receive signal r subtracts the common signal channel reconstruction signal of first order serving cell 1（That is rc1）,
One-level interfered cell（That is interfered cell 2 and 3）Common signal channel reconstruction signal（That is rc2And rc3）, N-1 grades of serving cells 1（N is
Natural number more than or equal to 2）Not common channel reconstruction signal（That is ro1 (N-1)）And the N-1 grades of not common letters of interfered cell 2
Road reconstruction signal（That is ro2 (N-1)）After make equilibrium treatment, obtain the N grades of equalizing signals of interfered cell 3；It is possible to further to
The N grades of equalizing signals of interfered cell 3 carry out the soft reconstruct of interfered cell not common channel, obtain the N grades of not common channels of interfered cell 3
Reconstructed chip, and make line after the N grades of equalizing signals of interfered cell 3 are subtracted into the N grades of not common channel reconstruction chips of interfered cell 3
Property interference elimination treatment, obtain the N grades of echo signals of interfered cell 3；And then, the N grades of echo signals of interfered cell 3 can be added
After the upper not common channel reconstruction chip of N grades of interfered cells 3 h is responded with the time domain channel impulse of interfered cell 33Make convolution, obtain
The N grades of not common channel reconstruction signal r of interfered cell 3o3 (N)。
In the embodiment of the present invention, the part iterative interference cancellation process shown in Fig. 4 can be repeated several times, the present invention
Embodiment is not construed as limiting.
Further, as an alternative embodiment, interference elimination method described by Fig. 1 can also include with
Lower step, to realize further iterative interference cancellation, i.e.,：
A7, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Make equilibrium treatment after road reconstruction signal, N grades of interfered cell not common channel reconstruction signals, obtain N+1 grades of serving cells equal
Weigh signal；
B7, N+1 grades of serving cell equalizing signals are carried out with the reconstruct of serving cell not common Blind channels or soft reconstruct, acquisition
N+1 grades of serving cell not common channel reconstruction chips, and by N+1 grades of serving cell not common channel reconstruction chips with servicing
Convolution is made in the response of cell time domain channel impulse, obtains N+1 grades of serving cell targets.
For example, referring to Fig. 5, Fig. 5 is the mistake of another part iterative interference cancellation disclosed in the embodiment of the present invention
Journey schematic diagram.Wherein, Fig. 5 can only carry out the part iterative interference cancellation of serving cell 1.As shown in figure 5, can believe receiving
Number r subtracts the common signal channel reconstruction signal of first order serving cell 1（That is rc1）, first order interfered cell（That is interfered cell 2 and 3）It is public
Common channel reconstruction signal（That is rc2And rc3）, N grades of interfered cells（That is interfered cell 2 and 3）Not common channel reconstruction signal（I.e.
ro2 (N)And ro3 (N)）After make equilibrium treatment, obtain the N+1 grades of equalizing signals of serving cell 1I.e.：
Wherein, re=r-rc1-rc2-rc3·WithIterative interference cancellation is represented respectively
When serving cell 1, the signal power of interfered cell 2 and 3.Further, as shown in figure 5, can be small according to N+1 grades of services
The equalizing signal of area 1Reconstruct（I.e. blind reconstruct or soft reconstruct）The N+1 grades of not common channel reconstruction chips of serving cell 1Specifically, can be to the N+1 grades of equalizing signals of serving cell 1Following descrambling and de-spreading is carried out, i.e.,：
Wherein, N represents spreading factor, in the presence of the not common channel more than thresholding, and the not common channel of presence is used
The modulation system that the method detection matched with standard constellation may be used, if modulation system can not be detected, obtains blind heavy
Structure symbol（That is not common channel reconstruction symbol）：
If being able to detect that modulation system, soft reconstruct symbol is obtained（That is not common channel reconstruction symbol）：
By reconstruct symbol obtained above（That is not common channel reconstruction symbol）Carry out plus expand scrambling, to obtain N+1 grades
The not common channel reconstruction chip of serving cell 1I.e.：
Finally, can be by the N+1 grades of not common channel reconstruction chips of serving cell 1Believe with the time domain of serving cell 1
Channel shock response h1Make convolution, obtain the N+1 grades of echo signals of serving cell 1I.e.：
Further, as an alternative embodiment, interference elimination method described by Fig. 1 can also include with
Lower step, to realize further iterative interference cancellation, i.e.,：
A8, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Make after road reconstruction signal, N+1 grades of serving cell echo signals and N grades of interfered cell not common channel reconstruction signals balanced
Processing, obtains N+2 grades of interfered cell equalizing signals；
B8, N+2 grades of interfered cell equalizing signals are carried out with the reconstruct of interfered cell not common Blind channels or soft reconstruct, acquisition
N+2 grades of interfered cell not common channel reconstruction chips, and by N+2 grades of interfered cell not common channel reconstruction chips with disturbing
Convolution is made in the response of cell time domain channel impulse, obtains N+2 grades of interfered cell not common channel reconstruction signals.
For example, referring to Fig. 6, Fig. 6 is the mistake of another part iterative interference cancellation disclosed in the embodiment of the present invention
Journey schematic diagram.Wherein, Fig. 6 can only carry out the part iterative interference cancellation of interfered cell 2.As shown in fig. 6, can believe receiving
Number r subtracts the common signal channel reconstruction signal of first order serving cell 1（That is rc1）, first order interfered cell（That is interfered cell 2 and 3）It is public
Common channel reconstruction signal（That is rc2And rc3）, the N+1 grades of echo signal r of serving cell 1o1 (N+1)And the N grades of non-public affairs in interfered cell 3
Common channel reconstruction signal ro3 (N)After make equilibrium treatment, obtain the N+2 grade equalizing signals of interfered cell 2, and disturb according to N+2 grades
The equalizing signal of cell 2 is reconstructed（I.e. blind reconstruct or soft reconstruct）The N+2 grades of not common channel reconstruction chips of interfered cell 2, and by N
+ 2 grades of interfered cell not common channel reconstruction chips and the time domain channel impulse of interfered cell 2 response h2Make convolution, obtain N+2 grades
The not common channel reconstruction signal r of interfered cell 2o2 (N+2)。
Further, as an alternative embodiment, interference elimination method described by Fig. 1 can also include with
Lower step, to realize further iterative interference cancellation, i.e.,：
A9, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Make after road reconstruction signal, N+1 grades of serving cell echo signals and N+2 grades of interfered cell not common channel reconstruction signals equal
Weighing apparatus processing, obtains N+3 grades of interfered cell equalizing signals；
B9, to N+3 grades of interfered cells equalizing signal interfered cell not common Blind channel reconstruct or soft reconstruct, acquisition N+
3 grades of interfered cell not common channel reconstruction chips, and by N+3 grades of interfered cell not common channel reconstruction chips and interfered cell
Convolution is made in time domain channel impulse response, obtains N+3 grades of interfered cell not common channel reconstruction signals.
For example, referring to Fig. 7, Fig. 7 is the mistake of another part iterative interference cancellation disclosed in the embodiment of the present invention
Journey schematic diagram.Wherein, Fig. 7 can only carry out the part iterative interference cancellation of interfered cell 3.As shown in fig. 7, can believe receiving
Number r subtracts the common signal channel reconstruction signal of first order serving cell 1（That is rc1）, first order interfered cell（That is interfered cell 2 and 3）It is public
Common channel reconstruction signal（That is rc2And rc3）（That is rc）, the N+1 grades of echo signal r of serving cell 1o1 (N+1)And N+2 grades of interference
The not common channel reconstruction signal r of cell 2o2 (N+2)After make equilibrium treatment, obtain the N+3 grades of equalizing signals of interfered cell 3, and according to
The N+3 grades of equalizing signal reconstruct of interfered cell 3（I.e. blind reconstruct or soft reconstruct）The N+3 grades of not common channel reconstructions of interfered cell 3
Chip, and N+3 grades of interfered cell not common channel reconstruction chips and the time domain channel impulse of interfered cell 3 are responded into h3Roll up
Product, obtains the N+3 grades of not common channel reconstruction signal r of interfered cell 3o3 (N+3)。
Further, as an alternative embodiment, interference elimination method described by Fig. 1 can also include with
Lower step, to realize further iterative interference cancellation, i.e.,：
A10, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Road reconstruction signal, N+1 grades of serving cell echo signals, N+2 grades of interfered cell not common channel reconstruction signals and N+3
Make equilibrium treatment after the not common channel reconstruction signal of level interfered cell, to obtain N+4 grades of serving cell equalizing signals；
B10, by not common channel reconstruction chip of the N+4 grades of serving cell equalizing signals plus N+1 grades of serving cells
The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out afterwards, obtain the not common channel reconstruction code of N+4 grades of serving cells
Piece, and N+4 grades of serving cell not common channel reconstruction chips and the response of serving cell time domain channel impulse are made into convolution, obtain
N+4 grades of serving cell echo signals.
For example, referring to Fig. 8, Fig. 8 is the mistake of another part iterative interference cancellation disclosed in the embodiment of the present invention
Journey schematic diagram.Wherein, Fig. 8 can only carry out the part iterative interference cancellation of serving cell 1.As shown in figure 8, can believe receiving
Number r subtracts the common signal channel reconstruction signal of first order serving cell 1（That is rc1）, first order interfered cell（That is interfered cell 2 and 3）It is public
Common channel reconstruction signal（That is rc2And rc3）, the N+1 grades of echo signal r of serving cell 1o1 (N+1), the N+2 grades of non-public affairs in interfered cell 2
Common channel reconstruction signal ro2 (N+2)And the N+3 grades of not common channel reconstruction signal r of interfered cell 3o3 (N+3)After make equilibrium treatment,
The N+4 grades of equalizing signals of serving cell 1 are obtained, and N+4 grades of serving cell equalizing signals are non-plus N+1 grades of serving cells
Common signal channel reconstructed chip c1 (N+1)The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out afterwards, obtain N+4 grades of services small
Area not common channel reconstruction chip c1 (N+4), and by the N+4 grades of not common channel reconstruction chip c of serving cell 11 (N+4)It is small with servicing
The time domain channel impulse response of area 1 h1Make convolution, obtain the N+4 grades of echo signal r of serving cell 1o1 (N+4)。
Further, as an alternative embodiment, interference elimination method described by Fig. 1 can also include with
Lower step, to realize further iterative interference cancellation, i.e.,：
A11, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Road reconstruction signal, N+4 grades of serving cell echo signals, N+2 grades of interfered cell not common channel reconstruction signals and N+3
Make equilibrium treatment after the not common channel reconstruction signal of level interfered cell, to obtain N+5 grades of interfered cell equalizing signals；
B11, by N+5 grades of interfered cell equalizing signals plus after N+2 grades of interfered cell not common channel reconstruction signals
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out, N+5 grades of interfered cell not common channel reconstruction chips are obtained, and
N+5 grades of interfered cell not common channel reconstruction chips and the response of interfered cell time domain channel impulse are made into convolution, N+5 is obtained
Level interfered cell not common channel reconstruction signal.
For example, referring to Fig. 9, Fig. 9 is the mistake of another part iterative interference cancellation disclosed in the embodiment of the present invention
Journey schematic diagram.Wherein, Fig. 9 can only carry out the part iterative interference cancellation of interfered cell 2.As shown in figure 9, can believe receiving
Number r subtracts the common signal channel reconstruction signal of first order serving cell 1（That is rc1）, first order interfered cell（That is interfered cell 2 and 3）It is public
Common channel reconstruction signal（That is rc2And rc3）, the N+4 grades of echo signal r of serving cell 1o1 (N+4), the N+2 grades of non-public affairs in interfered cell 2
Common channel reconstruction signal ro2 (N+2)And the N+3 grades of not common channel reconstruction signal r of interfered cell 3o3 (N+3)After make equilibrium treatment,
The N+5 grades of equalizing signals of interfered cell 2 are obtained, and by the N+5 grades of equalizing signals of interfered cell 2 plus N+2 grades of interfered cells 2
Not common channel reconstruction chip c2 (N+2)The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out afterwards, obtain N+5 grades of interference
The not common channel reconstruction chip c of cell 22 (N+5), and by the N+5 grades of not common channel reconstruction chip c of interfered cell 22 (N+5)With doing
Disturb the time domain channel impulse of cell 2 response h2Make convolution, obtain the N+5 grades of not common channel reconstruction signal r of interfered cell 2o2 (N+5)。
Further, as an alternative embodiment, interference elimination method described by Fig. 1 can also include with
Lower step, to realize further iterative interference cancellation, i.e.,：
A12, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Road reconstruction signal, N+4 grades of serving cell echo signals, N+5 grades of interfered cell not common channel reconstruction signals and N+3
Make equilibrium treatment after the not common channel reconstruction signal of level interfered cell, to obtain N+6 grades of interfered cell equalizing signals；
B12, by N+6 grades of interfered cell equalizing signals plus after N+3 grades of interfered cell not common channel reconstruction signals
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out, the not common channel reconstruction chip of N+6 grades of interfered cells is obtained,
And N+6 grades of interfered cell not common channel reconstruction chips and the response of interfered cell time domain channel impulse are made into convolution, obtain N
+ 6 grades of interfered cell not common channel reconstruction signals.
For example, referring to Fig. 10, Figure 10 is another part iterative interference cancellation disclosed in the embodiment of the present invention
Process schematic.Wherein, Figure 10 can only carry out the part iterative interference cancellation of interfered cell 3.As shown in Figure 10, it will can connect
Collection of letters r subtracts the common signal channel reconstruction signal of first order serving cell 1（That is rc1）, first order interfered cell（That is the He of interfered cell 2
3）Common signal channel reconstruction signal（That is rc2And rc3）, the N+4 grades of echo signal r of serving cell 1o1 (N+4), N+5 grades of interfered cells 2
Not common channel reconstruction signal ro2 (N+5)And the N+3 grades of not common channel reconstruction signal r of interfered cell 3o3 (N+3)Make afterwards at equilibrium
Reason, obtains the N+6 grades of equalizing signals of interfered cell 3, and the N+6 grades of equalizing signals of interfered cell 3 are small plus N+3 grades of interference
The not common channel reconstruction chip c of area 33 (N+3)The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out afterwards, obtain N+6 grades
The not common channel reconstruction chip c of interfered cell 33 (N+6), and by the N+6 grades of not common channel reconstruction chip c of interfered cell 33 (N+6)
H is responded with the time domain channel impulse of interfered cell 33Make convolution, obtain the N+6 grades of not common channel reconstruction signal r of interfered cell 3o3 (N +6)。
Further, as an alternative embodiment, interference elimination method described by Fig. 1 can also include with
Lower step, to realize further iterative interference cancellation, i.e.,：
A12 ', receiving signal, to subtract first order serving cell common signal channel reconstruction signal, first order interfered cell public
Channel reconstruction signal, N+5 grades of interfered cell not common channel reconstruction signals and N+6 grades of interfered cell not common channel weights
Make equilibrium treatment after structure signal, obtain N+7 grades of serving cell equalizing signals；
B12 ', by N+7 grades of serving cell equalizing signals plus after N+1 grades of serving cell not common channel reconstruction chips
The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out, N+7 grades of serving cell not common channel reconstruction chips are obtained, and
N+7 grades of serving cell not common channel reconstruction chips and the response of serving cell time domain channel impulse are made into convolution, N+7 is obtained
Level serving cell echo signal.
In the embodiment of the present invention, the part iterative interference cancellation process shown in Fig. 2~Figure 10 can repeat some
Secondary, the embodiment of the present invention is not construed as limiting.
Figure 11 is referred to, Figure 11 is the process schematic that another interference disclosed in the embodiment of the present invention is eliminated.Such as Figure 11
It is shown, the balance parameters of serving cell, the balance parameters docking collection of letters r of interfered cell can be utilized respectively and make equilibrium treatment,
The equalizing signal x of serving cell 1 is obtained respectively1 （1）, the equalizing signal x of interfered cell 22 （1）And the equalizing signal x of interfered cell 33 （1）,
And then can be respectively according to the equalizing signal x of serving cell 11 （1）, the equalizing signal x of interfered cell 22 （1）And the balanced letter in interfered cell 3
Number x3 （1）Reconstruct the common signal channel reconstructed chip of serving cell 1, the common signal channel reconstructed chip of interfered cell 2 and interfered cell 3 public
Common channel reconstruction chip, and, the common signal channel reconstructed chip of serving cell 1 and the time domain channel impulse of serving cell 1 can be rung
Answer h1Make convolution, and the common signal channel reconstructed chip of interfered cell 2 and the time domain channel impulse of interfered cell 2 are responded into h2Make convolution,
And the common signal channel reconstructed chip of interfered cell 3 and the time domain channel impulse of interfered cell 3 are responded into h3Make convolution, so as to obtain
One-level serving cell 1, first order interfered cell 2 and the common signal channel reconstruction signal of first order interfered cell 3.Wherein, in Figure 11
In shown interference cancellation process, using r 'cTo represent that first order serving cell 1, first order interfered cell 2 and the first order are dry
The summation of the common signal channel reconstruction signal of cell 3 is disturbed, the embodiment of the present invention is not repeated subsequently.
, can also be to the equalizing signal x of serving cell 1 in the interference cancellation process shown in Figure 11 in the embodiment of the present invention1 （1）The soft reconstruct of the not common channel of serving cell 1 is carried out, the not common channel reconstruction chip c of serving cell 1 is obtainedd1, and will service small
The equalizing signal x of area 11 （1）Subtract the common signal channel reconstructed chip of serving cell 1 and the not common channel reconstruction chip c of serving cell 1d1
After make linear disturbance Processing for removing, obtain the echo signal of first order serving cell 1, further can be by first order serving cell
1 echo signal adds the not common channel reconstruction chip c of serving cell 1d1Afterwards h is responded with the time domain channel impulse of serving cell 11Roll up
Product, obtains first order serving cell not common channel reconstruction signal r 'o1 (1)。
As an alternative embodiment, on the basis of the interference shown in Figure 11 is eliminated, the embodiment of the present invention can be with
Following steps are performed, to realize further iterative interference cancellation, i.e.,：
A13, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Make equilibrium treatment after road reconstruction signal, first order serving cell not common channel reconstruction signal, obtain second level interfered cell equal
Weigh signal；
B13, not common channel soft reconstruct in interfered cell is carried out to second level interfered cell equalizing signal, obtain the second level dry
Cell not common channel reconstruction chip is disturbed, and second level interfered cell equalizing signal is subtracted into second level interfered cell not common letter
Make linear disturbance Processing for removing after road reconstructed chip, obtain second level interfered cell echo signal；Wherein, interfered cell not common
Channel is interfered cell channel of the receiving power more than the second pre-determined threshold in addition to the common signal channel of interfered cell；
C13, by second level interfered cell echo signal add second level interfered cell not common channel reconstruction chip after with
Convolution is made in interfered cell time domain channel impulse response, obtains second level interfered cell not common channel reconstruction signal.
For example, Figure 12 is referred to, Figure 12 is another part iterative interference cancellation disclosed in the embodiment of the present invention
Process schematic.Wherein, Figure 12 can only carry out the part iterative interference cancellation of interfered cell 2.As shown in figure 12, it will can connect
Collection of letters r subtracts r 'c（That is the common signal channel reconstruction signal of first order serving cell 1, the reconstruct of the common signal channel of first order interfered cell 2
The summation of signal and the common signal channel reconstruction signal of first order interfered cell 3）, the not common channel reconstruction of first order serving cell 1
Signal r 'o1 (1)After make equilibrium treatment, obtain the equalizing signal of second level interfered cell 2；
And, not common channel soft reconstruct in interfered cell is carried out to the equalizing signal of second level interfered cell 2, the second level is obtained
The not common channel reconstruction chip of interfered cell 2, and it is non-that the equalizing signal of second level interfered cell 2 is subtracted into second level interfered cell 2
Make linear disturbance Processing for removing after common signal channel reconstructed chip, obtain the echo signal of second level interfered cell 2；
And, the echo signal of second level interfered cell 2 is added after the not common channel reconstruction chip of second level interfered cell 2
H is responded with the time domain channel impulse of interfered cell 22Make convolution, obtain the not common channel reconstruction signal of second level interfered cell 2
r’o2 (1)。
Further, as an alternative embodiment, the embodiment of the present invention can be further performed the step of,
To realize further iterative interference cancellation, i.e.,：
A14, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Road reconstruction signal, first order serving cell not common channel reconstruction signal and second level interfered cell not common channel reconstruction letter
Make equilibrium treatment after number, obtain third level interfered cell equalizing signal；
B14, not common channel soft reconstruct in interfered cell is carried out to third level interfered cell equalizing signal, obtain the third level dry
Cell not common channel reconstruction chip is disturbed, and third level interfered cell equalizing signal is subtracted into third level interfered cell not common letter
Make linear disturbance Processing for removing after road reconstructed chip, obtain third level interfered cell echo signal；
C14, by third level interfered cell echo signal add third level interfered cell not common channel reconstruction chip after with
Convolution is made in interfered cell time domain channel impulse response, obtains third level interfered cell not common channel reconstruction signal.
For example, Figure 13 is referred to, Figure 13 is another part iterative interference cancellation disclosed in the embodiment of the present invention
Process schematic.Wherein, Figure 13 can only carry out the part iterative interference cancellation of interfered cell 3.As shown in figure 13, it will can connect
Collection of letters r subtracts r 'c（That is the common signal channel reconstruction signal of first order serving cell 1, the reconstruct of the common signal channel of first order interfered cell 2
The summation of signal and the common signal channel reconstruction signal of first order interfered cell 3）, the not common channel reconstruction of first order serving cell 1
Signal r 'o1 (1)And the not common channel reconstruction signal r ' of second level interfered cell 2o2 (1)After make equilibrium treatment, obtain the third level and do
Disturb the equalizing signal of cell 3；
And, not common channel soft reconstruct in interfered cell is carried out to the equalizing signal of third level interfered cell 3, the third level is obtained
The not common channel reconstruction chip of interfered cell 3, and it is non-that the equalizing signal of third level interfered cell 3 is subtracted into third level interfered cell 3
Make linear disturbance Processing for removing after common signal channel reconstructed chip, obtain the echo signal of third level interfered cell 3；
And, the echo signal of third level interfered cell 3 is added after the not common channel reconstruction chip of third level interfered cell 3
H is responded with the time domain channel impulse of interfered cell 33Make convolution, obtain the not common channel reconstruction signal of third level interfered cell 3
r’o3 (1)。
Further, as an alternative embodiment, the embodiment of the present invention can be further performed the step of,
To realize further iterative interference cancellation, i.e.,：
A15, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Road reconstruction signal, second level interfered cell not common channel reconstruction signal and third level interfered cell not common channel reconstruction letter
Make equilibrium treatment after number, obtain fourth stage serving cell equalizing signal.
B15, to fourth stage serving cell equalizing signal carry out the soft reconstruct of serving cell not common channel, obtain the fourth stage take
Business cell not common channel reconstruction chip, and fourth stage serving cell equalizing signal is subtracted into fourth stage serving cell not common letter
Make linear disturbance Processing for removing after road reconstructed chip, obtain fourth stage serving cell echo signal.
Further, following steps are can also carry out, to realize further iterative interference cancellation：
C15, by fourth stage serving cell echo signal add fourth stage serving cell not common channel reconstruction chip after with
Convolution is made in the response of serving cell time domain channel impulse, obtains fourth stage serving cell not common channel reconstruction signal.
For example, Figure 14 is referred to, Figure 14 is another part iterative interference cancellation disclosed in the embodiment of the present invention
Process schematic.Wherein, Figure 14 can only carry out the part iterative interference cancellation of serving cell 1.As shown in figure 14, it will can connect
Collection of letters r subtracts r 'c（That is the common signal channel reconstruction signal of first order serving cell 1, the reconstruct of the common signal channel of first order interfered cell 2
The summation of signal and the common signal channel reconstruction signal of first order interfered cell 3）, the not common channel reconstruction of second level interfered cell 2
Signal r 'o2 (1)And the not common channel reconstruction signal r ' of third level interfered cell 3o3 (1)After make equilibrium treatment, obtain fourth stage clothes
The business equalizing signal of cell 1；
And, the soft reconstruct of serving cell not common channel is carried out to the equalizing signal of fourth stage serving cell 1, the fourth stage is obtained
The not common channel reconstruction chip of serving cell 1, and it is non-that the equalizing signal of fourth stage serving cell 1 is subtracted into fourth stage serving cell 1
Make linear disturbance Processing for removing after common signal channel reconstructed chip, obtain the echo signal of fourth stage serving cell 1；
Further, the echo signal of fourth stage serving cell 1 can also be added the not common channel of fourth stage serving cell 1
After reconstructed chip h is responded with the time domain channel impulse of serving cell 11Make convolution, obtain the not common channel weight of fourth stage serving cell 1
Structure signal r 'o1 (2)。
Further, as an alternative embodiment, the embodiment of the present invention can be further performed the step of,
To realize further iterative interference cancellation, i.e.,：
A16, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
After road reconstruction signal, fourth stage serving cell not common channel reconstruction signal and third level interfered cell not common channel signal
Make equilibrium treatment, obtain level V interfered cell equalizing signal；
B16, not common channel soft reconstruct in interfered cell is carried out to level V interfered cell equalizing signal, obtain level V dry
Cell not common channel reconstruction chip is disturbed, and level V interfered cell equalizing signal is subtracted into level V interfered cell not common letter
Make linear disturbance Processing for removing after road reconstructed chip, obtain level V interfered cell echo signal；
C16, by level V interfered cell echo signal add level V interfered cell not common channel reconstruction chip after with
Convolution is made in interfered cell time domain channel impulse response, obtains level V interfered cell not common channel reconstruction signal.
For example, Figure 15 is referred to, Figure 15 is another part iterative interference cancellation disclosed in the embodiment of the present invention
Process schematic.Wherein, Figure 15 can only carry out the part iterative interference cancellation of interfered cell 2.As shown in figure 15, it will can connect
Collection of letters r subtracts r 'c（That is the common signal channel reconstruction signal of first order serving cell 1, the reconstruct of the common signal channel of first order interfered cell 2
The summation of signal and the common signal channel reconstruction signal of first order interfered cell 3）, the not common channel reconstruction of fourth stage serving cell 1
Signal r 'o1 (2)And the not common channel reconstruction signal r ' of third level interfered cell 3o3 (1)After make equilibrium treatment, obtain level V and do
Disturb the equalizing signal of cell 2；
And, not common channel soft reconstruct in interfered cell is carried out to the equalizing signal of level V interfered cell 2, level V is obtained
The not common channel reconstruction chip of interfered cell 2, and it is non-that the equalizing signal of level V interfered cell 2 is subtracted into level V interfered cell 2
Make linear disturbance Processing for removing after common signal channel reconstructed chip, obtain the echo signal of level V interfered cell 2；
And, the echo signal of level V interfered cell 2 is added after the not common channel reconstruction chip of level V interfered cell 2
H is responded with the time domain channel impulse of interfered cell 22Make convolution, obtain the not common channel reconstruction signal of level V interfered cell 2
r’o2 (2)。
Further, as an alternative embodiment, the embodiment of the present invention can be further performed the step of,
To realize further iterative interference cancellation, i.e.,：
A17, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
After road reconstruction signal, fourth stage serving cell not common channel reconstruction signal and level V interfered cell not common channel signal
Make equilibrium treatment, obtain the 6th grade of interfered cell equalizing signal；
B17, not common channel soft reconstruct in interfered cell is carried out to the 6th grade of interfered cell equalizing signal, obtain the 6th grade it is dry
Cell not common channel reconstruction chip is disturbed, and the 6th grade of interfered cell equalizing signal is subtracted into the 6th grade of interfered cell not common and is believed
Make linear disturbance Processing for removing after road reconstructed chip, obtain the 6th grade of interfered cell echo signal；
C17, by the 6th grade of interfered cell echo signal plus after the 6th grade of interfered cell not common channel reconstruction chip with
Convolution is made in interfered cell time domain channel impulse response, obtains the 6th grade of interfered cell not common channel reconstruction signal.
For example, Figure 16 is referred to, Figure 16 is another part iterative interference cancellation disclosed in the embodiment of the present invention
Process schematic.Wherein, Figure 16 can only carry out the part iterative interference cancellation of interfered cell 3.As shown in figure 16, it will can connect
Collection of letters r subtracts r 'c（That is the common signal channel reconstruction signal of first order serving cell 1, the reconstruct of the common signal channel of first order interfered cell 2
The summation of signal and the common signal channel reconstruction signal of first order interfered cell 3）, the not common channel reconstruction of fourth stage serving cell 1
Signal r 'o1 (2)And the not common channel reconstruction signal r ' of level V interfered cell 2o2 (2)After make equilibrium treatment, obtain the 6th grade and do
Disturb the equalizing signal of cell 3；
And, not common channel soft reconstruct in interfered cell is carried out to the 6th grade of equalizing signal of interfered cell 3, the 6th grade is obtained
The not common channel reconstruction chip of interfered cell 3, and it is non-that the 6th grade of equalizing signal of interfered cell 3 is subtracted into the 6th grade of interfered cell 3
Make linear disturbance Processing for removing after common signal channel reconstructed chip, obtain the 6th grade of echo signal of interfered cell 3；
And, the 6th grade of echo signal of interfered cell 3 is added after the 6th grade of not common channel reconstruction chip of interfered cell 3
H is responded with the time domain channel impulse of interfered cell 33Make convolution, obtain the 6th grade of not common channel reconstruction signal of interfered cell 3
r’o3 (2)。
Further, as an alternative embodiment, the embodiment of the present invention can be further performed the step of,
To realize further iterative interference cancellation, i.e.,：
A17 ', receiving signal, to subtract first order serving cell common signal channel reconstruction signal, first order interfered cell public
Channel reconstruction signal, level V interfered cell not common channel reconstruction signal and the 6th grade of interfered cell not common channel reconstruction
Make equilibrium treatment after signal, obtain the 7th grade of serving cell equalizing signal；
B17 ', the soft reconstruct of serving cell not common channel, the 7th grade of acquisition are carried out to the 7th grade of serving cell equalizing signal
Serving cell not common channel reconstruction chip, and the 7th grade of serving cell equalizing signal is subtracted into the 7th grade of serving cell not common
Make linear disturbance Processing for removing after channel reconstruction chip, obtain the 7th grade of serving cell echo signal.
Further, as an alternative embodiment, the embodiment of the present invention can be further performed the step of,
To realize further iterative interference cancellation, i.e.,：
A18, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Make equilibrium treatment after road reconstruction signal and N-1 grades of interfered cell not common channel reconstruction signals, obtain N grades of serving cells
Equalizing signal；Wherein, N is the natural number more than or equal to 3；
B18, N grades of serving cell equalizing signals are carried out with the reconstruct of serving cell not common Blind channels or soft reconstruct, acquisition
N grades of serving cell not common channel reconstruction chips, and by N grades of serving cell not common channel reconstruction chips and serving cell
Convolution is made in time domain channel impulse response, obtains N grades of serving cell echo signals.
For example, Figure 17 is referred to, Figure 17 is another part iterative interference cancellation disclosed in the embodiment of the present invention
Process schematic.Wherein, Figure 17 can only carry out the part iterative interference cancellation of serving cell 1.As shown in figure 17, it will can connect
Collection of letters r subtracts r 'c（That is the common signal channel reconstruction signal of first order serving cell 1, the reconstruct of the common signal channel of first order interfered cell 2
The summation of signal and the common signal channel reconstruction signal of first order interfered cell 3）, the N-1 grades of not common channel reconstructions of interfered cell 2
Signal r 'o2 (N-1)And the N-1 grades of not common channel reconstruction signal r ' of interfered cell 3o3 (N-1)After make equilibrium treatment, obtain N grades
The equalizing signal of serving cell 1；
And, the N grades of equalizing signals of serving cell 1 are carried out with the reconstruct of serving cell not common Blind channel or soft reconstruct, is obtained
Obtain the N grades of not common channel reconstruction chip c ' of serving cell 11 (N), and by the N grades of not common channel reconstruction chips of serving cell 1
c’1 (N)H is responded with the time domain channel impulse of serving cell 11Make convolution, obtain the N grades of echo signal r ' of serving cell 1o1 (N)。
Further, as an alternative embodiment, the embodiment of the present invention can be further performed the step of,
To realize further iterative interference cancellation, i.e.,：
A19, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Make after road reconstruction signal, N-1 grades of interfered cell not common channel reconstruction signals and N grades of serving cell echo signals balanced
Processing, obtains N grades of interfered cell equalizing signals；
B19, N grades of interfered cell equalizing signals are carried out with the reconstruct of interfered cell not common Blind channels or soft reconstruct, acquisition
N grades of interfered cell not common channel reconstruction chips, and by N grades of interfered cell not common channel reconstruction chips and interfered cell
Convolution is made in time domain channel impulse response, obtains N grades of interfered cell not common channel reconstruction signals.
For example, Figure 18 is referred to, Figure 18 is another part iterative interference cancellation disclosed in the embodiment of the present invention
Process schematic.Wherein, Figure 18 can only carry out the part iterative interference cancellation of interfered cell 2.As shown in figure 18, it will can connect
Collection of letters r subtracts r 'c（That is the common signal channel reconstruction signal of first order serving cell 1, the reconstruct of the common signal channel of first order interfered cell 2
The summation of signal and the common signal channel reconstruction signal of first order interfered cell 3）, the N-1 grades of not common channel reconstructions of interfered cell 3
Signal r 'o3 (N-1)And the N grades of echo signal r ' of serving cell 1o1 (N)After make equilibrium treatment, obtain the N grade equilibriums of interfered cells 2
Signal；
And, the reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out to the N grades of equalizing signals of interfered cell 2, obtained
Obtain the N grades of not common channel reconstruction chip c ' of interfered cell 22 (N), and by the N grades of not common channel reconstruction chips of interfered cell 2
c’2 (N)H is responded with the time domain channel impulse of interfered cell 22Make convolution, obtain the N grades of not common channel reconstruction signals of interfered cell 2
r’o2 (N)。
Further, as shown in figure 19, the embodiment of the present invention can further carry out interfered cell 3 part iteration do
Elimination is disturbed, i.e.,：
Signal r will be received and subtract r 'c（That is the common signal channel reconstruction signal of first order serving cell 1, first order interfered cell 2
The summation of common signal channel reconstruction signal and the common signal channel reconstruction signal of first order interfered cell 3）, the N grades of non-public affairs in interfered cell 2
Common channel reconstruction signal r 'o2 (N)And the N grades of echo signal r ' of serving cell 1o1 (N)After make equilibrium treatment, obtain N+1 grade it is dry
Disturb the equalizing signal of cell 3；
And, the reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out to the N+1 grades of equalizing signals of interfered cell 3,
Obtain the N+1 grades of not common channel reconstruction chip c ' of interfered cell 33 (N+1), and by the N+1 grades of not common channel weights of interfered cell 3
Structure chip c '3 (N+1)H is responded with the time domain channel impulse of interfered cell 33Make convolution, obtain the N+1 grades of not common letters of interfered cell 3
Road reconstruction signal r 'o3 (N+1)。
Further, as an alternative embodiment, the embodiment of the present invention can be further performed the step of,
To realize further iterative interference cancellation, i.e.,：
A20, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Road reconstruction signal, N grades of interfered cell not common channel reconstruction signals, N grades of serving cell echo signals and N+1 grades are dry
Disturb and make equilibrium treatment after cell not common channel reconstruction signal, obtain N+1 grades of serving cell equalizing signals；
B20, by N+1 grades of serving cell equalizing signals plus N grades of serving cell not common channel reconstruction chips it is laggard
Row serving cell not common Blind channel is reconstructed or soft reconstruct, obtains N+1 grades of serving cell not common channel reconstruction chips, and will
N+1 grades of serving cell not common channel reconstruction chips make convolution with the response of serving cell time domain channel impulse, obtain N+1 grades
Serving cell echo signal.
For example, Figure 20 is referred to, Figure 20 is the process of another iterative interference cancellation disclosed in the embodiment of the present invention
Schematic diagram.Wherein, Figure 20 can only carry out the part iterative interference cancellation of serving cell 1.As shown in figure 20, it can believe receiving
Number r subtracts r 'c（That is the common signal channel reconstruction signal of first order serving cell 1, the common signal channel reconstruction signal of first order interfered cell 2
And the summation of the common signal channel reconstruction signal of first order interfered cell 3）, the N grades of not common channel reconstruction signals of serving cell 1
r’o1 (N), the N grades of not common channel reconstruction signal r ' of interfered cell 2o2 (N)And the N+1 grades of not common channel weights of interfered cell 3
Structure signal r 'o3 (N+1)After make equilibrium treatment, obtain the N+1 grades of equalizing signals of serving cell 1；
And, by the N+1 grades of equalizing signals of serving cell 1 plus the N grades of not common channel reconstruction chips of serving cell 1
c’1 (N)The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out afterwards, obtain the N+1 grades of not common channel weights of serving cell 1
Structure chip c '1 (N+1), and by the N+1 grades of not common channel reconstruction chip c ' of serving cell 11 (N+1)With the time domain channel of serving cell 1
Impulse response h1Make convolution, obtain the N+1 grades of echo signal r ' of serving cell 1o1 (N+1)。
Further, as an alternative embodiment, the embodiment of the present invention can be further performed the step of,
To realize further iterative interference cancellation, i.e.,：
A21, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Road reconstruction signal, N+1 grades of serving cell echo signals, the not common channel reconstruction signal and N+1 of N grades of interfered cells
Make equilibrium treatment after the not common channel reconstruction signal of level interfered cell, obtain N+2 grades of interfered cell equalizing signals；
B21, by N+2 grades of interfered cell equalizing signals plus N grades of interfered cell not common channel reconstruction chips it is laggard
The not common Blind channel reconstruct of row interfered cell or soft reconstruct, obtain N+2 grades of interfered cell not common channel reconstruction chips, and will
N+2 grades of interfered cell not common channel reconstruction chips make convolution with the response of interfered cell time domain channel impulse, obtain N+2 grades
Interfered cell not common channel reconstruction signal.
For example, Figure 21 is referred to, Figure 21 is another part iterative interference cancellation disclosed in the embodiment of the present invention
Process schematic.Wherein, Figure 21 can only carry out the part iterative interference cancellation of interfered cell 2.As shown in figure 21, it will can connect
Collection of letters r subtracts r 'c（That is the common signal channel reconstruction signal of first order serving cell 1, the reconstruct of the common signal channel of first order interfered cell 2
The summation of signal and the common signal channel reconstruction signal of first order interfered cell 3）, the N+1 grades of echo signals of serving cell 1
r’o1 (N+1), the N grades of not common channel reconstruction signal r ' of interfered cell 2o2 (N)And the N+1 grades of not common channel weights of interfered cell 3
Structure signal r 'o3 (N+1)After make equilibrium treatment, obtain the N+2 grades of equalizing signals of interfered cell 2；
And, by the N+2 grades of equalizing signals of interfered cell 2 plus the N grades of not common channel reconstruction chips of interfered cell 2
c’2 (N)The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out afterwards, obtain the N+2 grades of not common channel weights of interfered cell 2
Structure chip c '2 (N+2), and by the N+2 grades of not common channel reconstruction chip c ' of interfered cell 22 (N+2)With the time domain channel of interfered cell 2
Impulse response h2Make convolution, obtain the N+2 grades of not common channel reconstruction signal r ' of interfered cell 2o2 (N+2)。
Further, as shown in figure 22, the embodiment of the present invention can further carry out interfered cell 3 part iteration do
Elimination is disturbed, i.e.,：
Signal r will be received and subtract r 'c（That is the common signal channel reconstruction signal of first order serving cell 1, first order interfered cell 2
The summation of common signal channel reconstruction signal and the common signal channel reconstruction signal of first order interfered cell 3）, the N+1 grades of mesh of serving cell 1
Mark signal r 'o1 (N+1), the N+2 grades of not common channel reconstruction signal r ' of interfered cell 2o2 (N+2)And N+1 grades of interfered cells 3 are non-
Common signal channel reconstruction signal r 'o3 (N+1)After make equilibrium treatment, obtain the N+3 grades of equalizing signals of interfered cell 3；
And, by the N+3 grades of equalizing signals of interfered cell 3 plus the N grades of not common channel reconstruction chips of interfered cell 3
c’3 (N)The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out afterwards, obtain the N+3 grades of not common channel weights of interfered cell 3
Structure chip c '3 (N+3), and by the N+3 grades of not common channel reconstruction chip c ' of interfered cell 33 (N+3)With the time domain channel of interfered cell 3
Impulse response h3Make convolution, obtain the N+3 grades of not common channel reconstruction signal r ' of interfered cell 3o3 (N+3)。
Further, the embodiment of the present invention can further carry out the part iterative interference cancellation of serving cell, i.e.,：
A22, by receive signal subtract first order serving cell common signal channel reconstruction signal, the public letter in first order interfered cell
Road reconstruction signal and N+2 grades of interfered cell not common channel reconstruction signals, N+3 grades of interfered cell not common channel reconstructions
Make equilibrium treatment after signal, obtain N+4 grades of serving cell equalizing signals；
B22, by N+4 grades of serving cell equalizing signals plus N grades of serving cell not common channel reconstruction chips it is laggard
Row serving cell not common Blind channel is reconstructed or soft reconstruct, obtains N+4 grades of serving cell not common channel reconstruction chips, and will
N+4 grades of serving cell not common channel reconstruction chips make convolution with the response of serving cell time domain channel impulse, obtain N+4 grades
Serving cell echo signal.
In the embodiment of the present invention, the iterative interference cancellation process shown in Figure 20~Figure 22 can be repeated several times,
The embodiment of the present invention is not construed as limiting.
Interference elimination method disclosed in the embodiment of the present invention is described in detail above, the embodiment of the present invention can be tied
Close reconstruct interference cancellation techniques and linear disturbance technology for eliminating simultaneously to carry out at interference elimination the reception signal of receiver
Reason, compared with carrying out interference elimination treatment only with linear disturbance technology for eliminating, the embodiment of the present invention can more effectively disappear
Except the signal of receiver is disturbed.
Elimination is disturbed to be iterated interference elimination in addition, the embodiment of the present invention is disclosed, with changing that interference is eliminated
In generation, is carried out, and the embodiment of the present invention can improve signal to noise ratio step by step, so as to obtain preferably interference eradicating efficacy.
Figure 23 is referred to, Figure 23 is a kind of structure chart of interference blanking unit disclosed in the embodiment of the present invention.The interference disappears
Except device can apply to receiver, signal receiver, device and system, the embodiment of the present invention is not construed as limiting.Such as Figure 23
Shown, the interference blanking unit can include：
First balanced unit 2301, makees equilibrium treatment for the balance parameters docking collection of letters number using serving cell, obtains
Serving cell equalizing signal；
First reconfiguration unit 2302, for servicing the serving cell equalizing signal that the first balanced unit 2301 is obtained
The blind reconstruct of district common channel or soft reconstruct, obtain serving cell common signal channel reconstructed chip；
Second reconfiguration unit 2303, for servicing the serving cell equalizing signal that the first balanced unit 2301 is obtained
The soft reconstruct of cell not common channel, obtains serving cell not common channel reconstruction chip, wherein, serving cell not common channel is
Serving cell channel of the receiving power more than the first pre-determined threshold in addition to district common channel is serviced；
First computing unit 2304, the serving cell equalizing signal for the first balanced unit 2301 to be obtained subtracts first
The serving cell that the serving cell common signal channel reconstructed chip and the second reconfiguration unit 2303 that reconfiguration unit 2302 is obtained are obtained
Not common channel reconstruction chip, and export the first residual signal；
First linear interference cancellation unit 2305, for making line to the first residual signal that the first computing unit 2304 is exported
Property interference elimination treatment, obtain first order serving cell echo signal.
Also referring to Figure 24, Figure 24 is obtained after being optimized as the interference blanking unit shown in Figure 23 another dry
Disturb the structural representation of cancellation element.Compared with the interference blanking unit shown in Figure 23, the interference blanking unit shown in Figure 24 is also
Iterative interference cancellation part can be included, to realize further iterative interference cancellation.Wherein, the interference shown in Figure 24 is eliminated
The iterative interference cancellation part that device includes can include：
First convolution unit 2306, for the serving cell common signal channel reconstructed chip for obtaining the first reconfiguration unit 2302
Make convolution with the response of serving cell time domain channel impulse, obtain first order serving cell common signal channel reconstruction signal；
Second computing unit 2307, for the first order serving cell mesh for obtaining the first linear interference cancellation unit 2305
Mark signal adds the serving cell not common channel reconstruction chip that the second reconfiguration unit is obtained, and exports the first cumulative signal；
Second convolution unit 2308, during for the first cumulative signal for exporting the second computing unit 2307 with serving cell
Domain channel impulse response makees convolution, obtains first order serving cell not common channel reconstruction signal.
As an alternative embodiment, in the interference blanking unit shown in Figure 24：
The first above-mentioned balanced unit 2301, is additionally operable to make at equilibrium using the balance parameters docking collection of letters number of interfered cell
Reason, obtains interfered cell equalizing signal；
The first above-mentioned reconfiguration unit 2302, is additionally operable to the interfered cell equalizing signal obtained to the first balanced unit 2301
The blind reconstruct of interfered cell common signal channel or soft reconstruct are carried out, interfered cell common signal channel reconstructed chip is obtained；
The first above-mentioned convolution unit 2306, is additionally operable to the interfered cell common signal channel for obtaining the first reconfiguration unit 2302
Reconstructed chip makees convolution with the response of interfered cell time domain channel impulse, obtains first order interfered cell common signal channel reconstruction signal；
Correspondingly, the iterative interference cancellation part of the interference blanking unit shown in Figure 24 can also include：
3rd computing unit 2309, first order serving cell common signal channel reconstruction signal, the are subtracted for that will receive signal
One-level interfered cell common signal channel reconstruction signal, first order serving cell not common channel reconstruction signal, and it is remaining to export second
Signal；
Second balanced unit 2310, for making equilibrium treatment to the second residual signal, obtains second level interfered cell balanced
Signal；
Third reconstructed unit 2311 is soft for carrying out interfered cell not common channel to second level interfered cell equalizing signal
Reconstruct, obtains second level interfered cell not common channel reconstruction chip；
4th computing unit 2312, for second level interfered cell equalizing signal to be subtracted into second level interfered cell not common
Channel reconstruction chip, and export the 3rd residual signal；
Second linear disturbance eliminates unit 2313, for making linear disturbance Processing for removing to the 3rd residual signal, obtains the
Two grades of interfered cell echo signals；Wherein, not common channel in interfered cell is the receiving power in addition to the common signal channel of interfered cell
More than the interfered cell channel of the second pre-determined threshold；
5th computing unit 2314, for second level interfered cell echo signal to be added into second level interfered cell not common
Channel reconstruction chip, and export the second cumulative signal；
3rd convolution unit 2315, for the second cumulative signal and the response of interfered cell time domain channel impulse to be made into convolution,
Obtain second level interfered cell not common channel reconstruction signal；
The 3rd above-mentioned computing unit 2309, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, first order serving cell not common channel reconstruction signal and second
Level interfered cell not common channel reconstruction signal, and export the 4th residual signal；
The second above-mentioned balanced unit 2310, is additionally operable to make the 4th residual signal equilibrium treatment, obtains third level interference
Cell equalizing signal；
Above-mentioned third reconstructed unit 2311, is additionally operable to carry out the non-public affairs in interfered cell to third level interfered cell equalizing signal
The soft reconstruct of channel altogether, obtains third level interfered cell not common channel reconstruction chip；
The 4th above-mentioned computing unit 2312, be additionally operable to by third level interfered cell equalizing signal subtract the third level interference it is small
Area's not common channel reconstruction chip, and export the 5th residual signal；
The second above-mentioned linear disturbance eliminates unit 2313, is additionally operable to make at linear disturbance elimination the 5th residual signal
Reason, obtains third level interfered cell echo signal；
The 5th above-mentioned computing unit 2314, is additionally operable to third level interfered cell echo signal disturbing small plus the third level
Area's not common channel reconstruction chip, and export the 3rd cumulative signal；
The 3rd above-mentioned convolution unit 2315, is additionally operable to the 3rd cumulative signal and interfered cell time domain channel impulse
Convolution is made in response, obtains third level interfered cell not common channel reconstruction signal；
The 3rd above-mentioned computing unit 2309, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, second level interfered cell not common channel reconstruction signal and the 3rd
Level interfered cell not common channel reconstruction signal, and export the 6th residual signal；
The second above-mentioned balanced unit 2310, is additionally operable to make the 6th residual signal equilibrium treatment, fourth stage serving cell
Equalizing signal；
Above-mentioned third reconstructed unit 2311, is additionally operable to carry out the non-public affairs of serving cell to fourth stage serving cell equalizing signal
The soft reconstruct of channel altogether, obtains fourth stage serving cell not common channel reconstruction chip；
The 4th above-mentioned computing unit 2312, be additionally operable to by fourth stage serving cell equalizing signal subtract the fourth stage service it is small
Area's not common channel reconstruction chip, and export the 7th residual signal；
The second above-mentioned linear disturbance eliminates unit 2313, is additionally operable to make at linear disturbance elimination the 7th residual signal
Reason, obtains fourth stage serving cell echo signal.
As an alternative embodiment, in the interference blanking unit shown in Figure 24：
The 5th above-mentioned computing unit 2314, is additionally operable to fourth stage serving cell echo signal servicing small plus the fourth stage
Area's not common channel reconstruction chip, and export the 4th cumulative signal；
The 3rd above-mentioned convolution unit 2315, is additionally operable to respond the 4th cumulative signal and serving cell time domain channel impulse
Make convolution, obtain fourth stage serving cell not common channel reconstruction signal；
The 3rd above-mentioned computing unit 2309, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, fourth stage serving cell not common channel reconstruction signal and the 3rd
Level interfered cell not common channel reconstruction signal, and export the 8th residual signal；
The second above-mentioned balanced unit 2310, is additionally operable to make the 8th residual signal equilibrium treatment, obtains level V interference
Cell equalizing signal；
Above-mentioned third reconstructed unit 2311, is additionally operable to carry out the non-public affairs in interfered cell to level V interfered cell equalizing signal
The soft reconstruct of channel altogether, obtains level V interfered cell not common channel reconstruction chip；
The 4th above-mentioned computing unit 2312, be additionally operable to by level V interfered cell equalizing signal subtract level V interference it is small
Area's not common channel reconstruction chip, and export the 9th residual signal；
The second above-mentioned linear disturbance eliminates unit 2313, is additionally operable to make at linear disturbance elimination the 9th residual signal
Reason, obtains level V interfered cell echo signal；
The 5th above-mentioned computing unit 2314, is additionally operable to level V interfered cell echo signal disturbing small plus level V
Area's not common channel reconstruction chip, and export the 5th cumulative signal；
The 3rd above-mentioned convolution unit 2315, is additionally operable to respond the 5th cumulative signal and interfered cell time domain channel impulse
Make convolution, obtain level V interfered cell not common channel reconstruction signal；
The 3rd above-mentioned computing unit 2309, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, fourth stage serving cell not common channel reconstruction signal and the 5th
Level interfered cell not common channel reconstruction signal, and export the tenth residual signal；
The second above-mentioned balanced unit 2310, is additionally operable to make the tenth residual signal equilibrium treatment, obtains the 6th grade of interference
Cell equalizing signal；
Above-mentioned third reconstructed unit 2311, is additionally operable to carry out the non-public affairs in interfered cell to the 6th grade of interfered cell equalizing signal
The soft reconstruct of channel altogether, obtains the 6th grade of interfered cell not common channel reconstruction chip；
The 4th above-mentioned computing unit 2312, is additionally operable to the 6th grade of interfered cell equalizing signal subtracting the 6th grade of interference small
Area's not common channel reconstruction chip, and export the 11st residual signal；
The second above-mentioned linear disturbance eliminates unit 2313, is additionally operable to make at linear disturbance elimination the 11st residual signal
Reason, obtains the 6th grade of interfered cell echo signal；
The 5th above-mentioned computing unit 2314, is additionally operable to the 6th grade of interfered cell echo signal is small plus the 6th grade of interference
Area's not common channel reconstruction chip, and export the 6th cumulative signal；
The 3rd above-mentioned convolution unit 2315, is additionally operable to respond the 6th cumulative signal and interfered cell time domain channel impulse
Make convolution, obtain the 6th grade of interfered cell not common channel reconstruction signal；
The 3rd above-mentioned computing unit 2309, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, level V interfered cell not common channel reconstruction signal and the 6th
Level interfered cell not common channel reconstruction signal, and export the 12nd residual signal；
The second above-mentioned balanced unit 2310, is additionally operable to make the 12nd residual signal equilibrium treatment, obtains the 7th grade of clothes
Business cell equalizing signal；
Above-mentioned third reconstructed unit 2311, is additionally operable to carry out the non-public affairs of serving cell to the 7th grade of serving cell equalizing signal
The soft reconstruct of channel altogether, obtains the 7th grade of serving cell not common channel reconstruction chip；
The 4th above-mentioned computing unit 2312, is additionally operable to the 7th grade of serving cell equalizing signal subtracting the 7th grade of service small
Area's not common channel reconstruction chip, and export the 13rd residual signal；
The second above-mentioned linear disturbance eliminates unit 2313, is additionally operable to make at linear disturbance elimination the 13rd residual signal
Reason, obtains the 7th grade of serving cell echo signal.
As an alternative embodiment, in the interference blanking unit shown in Figure 24, can further include as
Iterative interference cancellation part shown in Figure 25, wherein, the iterative interference cancellation part shown in Figure 25 can include：
6th computing unit 2316, first order serving cell common signal channel reconstruction signal, the are subtracted for that will receive signal
One-level interfered cell common signal channel reconstruction signal and N-1 grades of interfered cell not common channel reconstruction signals, and export the tenth
Four residual signals, N is the natural number more than or equal to 3；
3rd balanced unit 2317, for making equilibrium treatment to the 14th residual signal, obtains N grades of serving cells balanced
Signal；Wherein, the N is the natural number more than or equal to 3；
Fourth reconstructed unit 2318, for carrying out serving cell not common Blind channel to N grades of serving cell equalizing signals
Reconstruct or soft reconstruct, obtain N grades of serving cell not common channel reconstruction chips；
Volume Four product unit 2319, for by N grades of serving cell not common channel reconstruction chips and serving cell time domain
Channel impulse response makees convolution, obtains N grades of serving cell echo signals.
As an alternative embodiment, in the iterative interference cancellation part shown in Figure 25：
The 6th above-mentioned computing unit 2316, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, N-1 grades of interfered cell not common channel reconstruction signals and described
N grades of serving cell echo signals, and export the 15th residual signal；
The 3rd above-mentioned balanced unit 2317, is additionally operable to make the 15th residual signal equilibrium treatment, obtains N grades of interference
Cell equalizing signal；
Above-mentioned fourth reconstructed unit 2318, is additionally operable to carry out the non-public affairs in interfered cell to N grades of interfered cell equalizing signals
Blind channel reconstruct or soft reconstruct, obtain N grades of interfered cell not common channel reconstruction chips altogether；
Above-mentioned Volume Four product unit 2319, is additionally operable to N grades of interfered cell not common channel reconstruction chips and interference
Convolution is made in the response of cell time domain channel impulse, obtains N grades of interfered cell not common channel reconstruction signals；
The 6th above-mentioned computing unit 2316, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, N grades of interfered cell not common channel reconstruction signals and N grades
Serving cell echo signal, and export the 16th residual signal；
The 3rd above-mentioned balanced unit 2317, is additionally operable to make the 16th residual signal equilibrium treatment, obtains N+1 grades and does
Disturb cell equalizing signal；
Above-mentioned fourth reconstructed unit 2318, is additionally operable to non-to N+1 grades of interfered cells equalizing signals progress interfered cell
The blind reconstruct of common signal channel or soft reconstruct, obtain N+1 grades of interfered cell not common channel reconstruction chips；
Above-mentioned Volume Four product unit 2319, is additionally operable to N+1 grades of interfered cell not common channel reconstruction chips with doing
Disturb the response of cell time domain channel impulse and make convolution, obtain N+1 grades of interfered cell not common channel reconstruction signals；
The 6th above-mentioned computing unit 2316, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, N grades of interfered cell not common channel reconstruction signals, N grades of services
Cell target signal and N+1 grades of interfered cell not common channel reconstruction signals, and export the 17th residual signal；
The 3rd above-mentioned balanced unit 2317, is additionally operable to make the 17th residual signal equilibrium treatment, obtains N+1 grades of clothes
Business cell equalizing signal；
Correspondingly, in the iterative interference cancellation part shown in Figure 25, in addition to：
7th computing unit 2320, for N+1 grades of serving cell equalizing signals to be added into N grades of serving cell not common
Channel reconstruction chip, and export the 7th cumulative signal；
Above-mentioned fourth reconstructed unit 2318, is additionally operable to carry out serving cell not common Blind channel using the 7th cumulative signal
Reconstruct or soft reconstruct, obtain N+1 grades of serving cell not common channel reconstruction chips；
Above-mentioned Volume Four product unit 2319, is additionally operable to N+1 grades of serving cell not common channel reconstruction chips and clothes
Convolution is made in the time domain channel impulse response of business cell, obtains N+1 grades of serving cell echo signals.
As an alternative embodiment, in the iterative interference cancellation part shown in Figure 25：
The 6th above-mentioned computing unit 2316, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, N+1 grades of serving cell echo signals, the N grades of non-public affairs in interfered cell
Channel reconstruction signal and N+1 grades of interfered cell not common channel reconstruction signals, and export the 18th residual signal altogether；
The 3rd above-mentioned balanced unit 2317, is additionally operable to make the 18th residual signal equilibrium treatment, obtains N+2 grades and does
Disturb cell equalizing signal；
The 7th above-mentioned computing unit 2320, is additionally operable to N+2 grades of interfered cell equalizing signals are small plus N grades of interference
Area's not common channel reconstruction chip, and export the 8th cumulative signal；
Above-mentioned fourth reconstructed unit 2318, is additionally operable to carry out interfered cell not common Blind channel using the 8th cumulative signal
Reconstruct or soft reconstruct, obtain N+2 grades of interfered cell not common channel reconstruction chips；
Above-mentioned Volume Four product unit 2319, is additionally operable to N+2 grades of interfered cell not common channel reconstruction chips with doing
Disturb the response of cell time domain channel impulse and make convolution, obtain N+2 grades of interfered cell not common channel reconstruction signals；
The 6th above-mentioned computing unit 2316, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, N+1 grades of serving cell echo signals, N+1 grades of interfered cells are non-
Common signal channel reconstruction signal and N+2 grades of interfered cell not common channel reconstruction signals, and export the 19th residual signal；
The 3rd above-mentioned balanced unit 2317, is additionally operable to make the 19th residual signal equilibrium treatment, obtains N+3 grades and does
Disturb cell equalizing signal；
The 7th above-mentioned computing unit 2320, is additionally operable to N+3 grades of interfered cell equalizing signals are small plus N grades of interference
Area's not common channel reconstruction chip, and export the 9th cumulative signal；
Above-mentioned fourth reconstructed unit 2318, is additionally operable to carry out interfered cell not common Blind channel using the 9th cumulative signal
Reconstruct or soft reconstruct, obtain N+3 grades of interfered cell not common channel reconstruction chips；
Above-mentioned Volume Four product unit 2319, is additionally operable to N+3 grades of interfered cell not common channel reconstruction chips with doing
Disturb the response of cell time domain channel impulse and make convolution, obtain N+3 grades of interfered cell not common channel reconstruction signals；
The 6th above-mentioned computing unit 2316, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal and N+2 grades of interfered cell not common channel reconstruction signals, N+
3 grades of interfered cell not common channel reconstruction signals, and export the 20th residual signal；
The 3rd above-mentioned balanced unit 2317, is additionally operable to make the 20th residual signal equilibrium treatment, obtains N+4 grades of clothes
Business cell equalizing signal；
The 7th above-mentioned computing unit 2320, is additionally operable to N+4 grades of serving cell equalizing signals are small plus N grades of services
Area's not common channel reconstruction chip, and export the tenth cumulative signal；
Above-mentioned fourth reconstructed unit 2318, is additionally operable to carry out serving cell not common Blind channel using the tenth cumulative signal
Reconstruct or soft reconstruct, obtain N+4 grades of serving cell not common channel reconstruction chips；
Above-mentioned Volume Four product unit 2319, is additionally operable to N+4 grades of serving cell not common channel reconstruction chips and clothes
Convolution is made in the time domain channel impulse response of business cell, obtains N+4 grades of serving cell echo signals.
Also referring to Figure 26, Figure 26 is obtained after being optimized as the interference blanking unit shown in Figure 23 another dry
Disturb the structural representation of cancellation element.Compared with the interference blanking unit shown in Figure 23, the interference blanking unit shown in Figure 26 is also
Iterative interference cancellation part can be included, to realize further iterative interference cancellation.Wherein, the interference shown in Figure 26 is eliminated
The iterative interference cancellation part that device includes can include：
First convolution unit 2321, for the serving cell common signal channel reconstructed chip for obtaining the first reconfiguration unit 2302
Make convolution with the response of serving cell time domain channel impulse, obtain first order serving cell common signal channel reconstruction signal；
Second computing unit 2322, for the first order serving cell mesh for obtaining the first linear interference cancellation unit 2305
Mark signal adds the serving cell not common channel reconstruction chip that the second reconfiguration unit 2303 is obtained, and exports the first cumulative letter
Number；
Second convolution unit 2323, during for the first cumulative signal for exporting the second computing unit 2322 with serving cell
Domain channel impulse response makees convolution, obtains first order serving cell not common channel reconstruction signal；
The first above-mentioned balanced unit 2301, is additionally operable to make at equilibrium using the balance parameters docking collection of letters number of interfered cell
Reason, obtains interfered cell equalizing signal；
Correspondingly, the iterative interference cancellation part that the interference blanking unit shown in Figure 26 includes can include：
Third reconstructed unit 2324, is disturbed for obtaining the 2301 interfered cell equalizing signals obtained to the first balanced unit
The blind reconstruct of district common channel or soft reconstruct, obtain interfered cell common signal channel reconstructed chip；
3rd convolution unit 2325, is additionally operable to the interfered cell common signal channel reconstruct code for obtaining third reconstructed unit 2324
Piece makees convolution with the response of interfered cell time domain channel impulse, obtains first order interfered cell common signal channel reconstruction signal；
Fourth reconstructed unit 2326, for disturbing the interfered cell equalizing signal that the first balanced unit 2301 is obtained
The soft reconstruct of cell not common channel, obtains interfered cell not common channel reconstruction chip；Wherein, not common channel in interfered cell is
Interfered cell channel of the receiving power more than the second pre-determined threshold in addition to the common signal channel of interfered cell；
3rd computing unit 2327, for by interfered cell equalizing signal subtract interfered cell common signal channel reconstructed chip with
And interfered cell not common channel reconstruction chip, and export the second residual signal；
Second linear disturbance eliminates unit 2328, for making linear disturbance Processing for removing to the second residual signal, obtains the
One-level interfered cell echo signal；
4th computing unit 2329, for first order interfered cell echo signal to be added into interfered cell not common channel weight
After structure chip, and export the second cumulative signal；
Volume Four product unit 2330, for the second cumulative signal and the response of interfered cell time domain channel impulse to be made into convolution,
Obtain first order interfered cell not common channel reconstruction signal；
As a kind of embodiment, the iterative interference cancellation part that the interference blanking unit shown in Figure 26 includes can also be wrapped
Include：
5th computing unit 2331, first order serving cell common signal channel reconstruction signal, the are subtracted for that will receive signal
One-level interfered cell common signal channel reconstruction signal, first order interfered cell not common channel reconstruction signal, and it is remaining to export the 3rd
Signal；
Second balanced unit 2332, for the 3rd residual signal equilibrium treatment, obtaining second level serving cell equilibrium letter
Number；
5th reconfiguration unit 2333 is soft for carrying out serving cell not common channel to second level serving cell equalizing signal
Reconstruct, obtains second level serving cell not common channel reconstruction chip；
6th computing unit 2334, for second level serving cell equalizing signal to be subtracted into second level serving cell not common
Channel reconstruction chip, and export the 4th residual signal；
Third linear interference cancellation unit 2335, for making linear disturbance Processing for removing to the 4th residual signal, obtains the
Secondary service cell target signal.
As a kind of embodiment, the iterative interference cancellation part that the interference blanking unit shown in Figure 26 includes can also be wrapped
Include：
7th computing unit 2336, for second level serving cell echo signal to be added into second level serving cell not common
Channel reconstruction chip, and export the 3rd cumulative signal；
5th convolution unit 2337, for the 3rd cumulative signal to be rolled up with the response of serving cell time domain channel impulse
Product, obtains second level serving cell not common channel reconstruction signal；
The 5th above-mentioned computing unit 2331, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, first order serving cell not common channel reconstruction signal and first
Level interfered cell not common channel reconstruction signal, and export the 5th residual signal；
The second above-mentioned balanced unit 2332, is additionally operable to the 5th residual signal equilibrium treatment, obtains second level interference small
Area's equalizing signal；
The 5th above-mentioned reconfiguration unit 2333, is additionally operable to carry out the non-public affairs in interfered cell to second level interfered cell equalizing signal
The soft reconstruct of channel altogether, obtains second level interfered cell not common channel reconstruction chip；
The 6th above-mentioned computing unit 2334, be additionally operable to by second level interfered cell equalizing signal subtract the second level interference it is small
Area's not common channel reconstruction chip, and export the 6th residual signal；
Above-mentioned third linear interference cancellation unit 2335, is additionally operable to make at linear disturbance elimination the 6th residual signal
Reason, obtains second level interfered cell echo signal；
The 7th above-mentioned computing unit 2336, is additionally operable to second level interfered cell echo signal disturbing small plus the second level
Area's not common channel reconstruction chip, and export the 4th cumulative signal；
The 5th above-mentioned convolution unit 2337, is additionally operable to respond the 4th cumulative signal and interfered cell time domain channel impulse
Make convolution, obtain second level interfered cell not common channel reconstruction signal；
The 5th above-mentioned computing unit 2331, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, N-1 grades of serving cell not common channel reconstruction signals and N-
1 grade of interfered cell not common channel reconstruction signal, and the 7th residual signal is exported, wherein, N is the natural number more than or equal to 3；
The second above-mentioned balanced unit 2332, is additionally operable to, to the 7th residual signal equilibrium treatment, obtain N grades of interfered cells
Equalizing signal；
The 5th above-mentioned reconfiguration unit 2333, is additionally operable to carry out the non-public affairs in interfered cell to N grades of interfered cell equalizing signals
The soft reconstruct of channel altogether, obtains N grades of interfered cell not common channel reconstruction chips；
The 6th above-mentioned computing unit 2334, is additionally operable to N grades of interfered cell equalizing signals subtracting N grades of interfered cells
Not common channel reconstruction chip, and export the 8th residual signal；
Above-mentioned third linear interference cancellation unit 2335, is additionally operable to make at linear disturbance elimination the 8th residual signal
Reason, obtains N grades of interfered cell echo signals；
The 7th above-mentioned computing unit 2336, is additionally operable to N grades of interfered cell echo signals plus N grades of interfered cells
Not common channel reconstruction chip, and export the 5th cumulative signal；
The 5th above-mentioned convolution unit 2337, is additionally operable to respond the 5th cumulative signal and interfered cell time domain channel impulse
Make convolution, obtain N grades of interfered cell not common channel reconstruction signals；
As an alternative embodiment, in the interference blanking unit shown in Figure 26, can further include as
Iterative interference cancellation part shown in Figure 27, wherein, the iterative interference cancellation part shown in Figure 27 can include：
8th computing unit 2338, first order serving cell common signal channel reconstruction signal, the are subtracted for that will receive signal
One-level interfered cell common signal channel reconstruction signal, N grades of interfered cell not common channel reconstruction signals, and export the 9th remaining letter
Number；
3rd balanced unit 2339, for making equilibrium treatment to the 9th residual signal, obtains N+1 grades of serving cells balanced
Signal；
6th reconfiguration unit 2340, for carrying out interfered cell not common channel to N+1 grades of serving cell equalizing signals
Blind reconstruct or soft reconstruct, obtain N+1 grades of serving cell not common channel reconstruction chips；
6th convolution unit 2341, during for by N+1 grades of serving cell not common channel reconstruction chips and serving cell
Domain channel impulse response makees convolution, obtains N+1 grades of serving cell echo signals.
As an alternative embodiment, in the iterative interference cancellation part shown in Figure 27：
The 8th above-mentioned computing unit 2338, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, N+1 grades of serving cell echo signals and N grades of interfered cells
Not common channel reconstruction signal, and export the tenth residual signal；
The 3rd above-mentioned balanced unit 2339, is additionally operable to make the tenth residual signal equilibrium treatment, obtains N+2 grades of interference
Cell equalizing signal；
The 6th above-mentioned reconfiguration unit 2340, is additionally operable to non-to N+2 grades of interfered cells equalizing signals progress interfered cell
The blind reconstruct of common signal channel or soft reconstruct, obtain N+2 grades of interfered cell not common channel reconstruction chips；
The 6th above-mentioned convolution unit 2341, is additionally operable to N+2 grades of interfered cell not common channel reconstruction chips with doing
Disturb the response of cell time domain channel impulse and make convolution, obtain N+2 grades of interfered cell not common channel reconstruction signals；
The 8th above-mentioned computing unit 2338, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, N+1 grades of serving cell echo signals and N+2 grades of interference are small
Area's not common channel reconstruction signal, and export the 11st residual signal；
The 3rd above-mentioned balanced unit 2339, is additionally operable to make the 11st residual signal equilibrium treatment, obtains N+3 grades and does
Disturb cell equalizing signal；
The 6th above-mentioned reconfiguration unit 2340, is additionally operable to non-to N+3 grades of interfered cells equalizing signals progress interfered cell
The blind reconstruct of common signal channel or soft reconstruct, obtain N+3 grades of interfered cell not common channel reconstruction chips；
The 6th above-mentioned convolution unit 2341, is additionally operable to N+3 grades of interfered cell not common channel reconstruction chips with doing
Disturb the response of cell time domain channel impulse and make convolution, obtain N+3 grades of interfered cell not common channel reconstruction signals；
The 8th above-mentioned computing unit 2338, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, N+1 grades of serving cell echo signals, N+2 grades of interfered cells are non-
Common signal channel reconstruction signal and N+3 grades of interfered cell not common channel reconstruction signals, and export the 12nd residual signal；
The 3rd above-mentioned balanced unit 2339, is additionally operable to make the 12nd residual signal equilibrium treatment, obtains N+4 grades of clothes
Business cell equalizing signal；
As an alternative embodiment, in the iterative interference cancellation part shown in Figure 27, can also include：
9th computing unit 2342, for N+4 grades of serving cell equalizing signals to be added into the N+1 grades of non-public affairs of serving cell
Channel reconstruction chip, and export the 6th cumulative signal altogether；
The 6th above-mentioned reconfiguration unit 2340, is additionally operable to carry out serving cell not common Blind channel according to the 6th cumulative signal
Reconstruct or soft reconstruct, obtain N+4 grades of serving cell not common channel reconstruction chips；
The 6th above-mentioned convolution unit 2341, is additionally operable to N+4 grades of serving cell not common channel reconstruction chips and clothes
Convolution is made in the time domain channel impulse response of business cell, obtains N+4 grades of serving cell echo signals.
As an alternative embodiment, in the iterative interference cancellation part shown in Figure 27：
The 8th above-mentioned computing unit 2338, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, N+4 grades of serving cell echo signals, N+2 grades of interfered cells are non-
Common signal channel reconstruction signal and N+3 grades of interfered cell not common channel reconstruction signals, and export the 13rd residual signal；
The 3rd above-mentioned balanced unit 2339, is additionally operable to make the 13rd residual signal equilibrium treatment, obtains N+5 grades and does
Disturb cell equalizing signal；
The 9th above-mentioned computing unit 2342, is additionally operable to N+5 grades of interfered cell equalizing signals plus N+2 grades of interference
Cell not common channel reconstruction signal, and export the 7th cumulative signal；
The 6th above-mentioned reconfiguration unit 2340, is additionally operable to carry out interfered cell not common Blind channel according to the 7th cumulative signal
Reconstruct or soft reconstruct, obtain N+5 grades of interfered cell not common channel reconstruction chips；
The 6th above-mentioned convolution unit 2341, is additionally operable to N+5 grades of interfered cell not common channel reconstruction chips with doing
Disturb the response of cell time domain channel impulse and make convolution, obtain N+5 grades of interfered cell not common channel reconstruction signals；
The 8th above-mentioned computing unit 2338, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, N+4 grades of serving cell echo signals, N+5 grades of interfered cells are non-
Common signal channel reconstruction signal and N+3 grades of interfered cell not common channel reconstruction signals, and export the 14th residual signal；
The 3rd above-mentioned balanced unit 2339, is additionally operable to make the 14th residual signal equilibrium treatment, obtains N+6 grades and does
Disturb cell equalizing signal；
The 9th above-mentioned computing unit 2342, is additionally operable to N+6 grades of interfered cell equalizing signals plus N+3 grades of interference
Cell not common channel reconstruction signal, and export the 8th cumulative signal；
The 6th above-mentioned reconfiguration unit 2340, is additionally operable to carry out interfered cell not common Blind channel according to the 8th cumulative signal
Reconstruct or soft reconstruct, obtain N+6 grades of interfered cell not common channel reconstruction chips；
The 6th above-mentioned convolution unit 2341, is additionally operable to N+6 grades of interfered cell not common channel reconstruction chips with doing
Disturb the response of cell time domain channel impulse and make convolution, obtain N+6 grades of interfered cell not common channel reconstruction signals；
The 8th above-mentioned computing unit 2338, is additionally operable to reception signal subtracting the reconstruct of first order serving cell common signal channel
Signal, first order interfered cell common signal channel reconstruction signal, N+5 grades of interfered cell not common channel reconstruction signals and N+
6 grades of interfered cell not common channel reconstruction signals, and export the 15th residual signal；
The 3rd above-mentioned balanced unit 2339, is additionally operable to make the 15th residual signal equilibrium treatment, obtains N+7 grades of clothes
Business cell equalizing signal；
The 9th above-mentioned computing unit 2342, is additionally operable to N+7 grades of serving cell equalizing signals plus N+1 grades of services
Cell not common channel reconstruction chip, and export the 9th cumulative signal；
The 6th above-mentioned reconfiguration unit 2340, is additionally operable to carry out serving cell not common Blind channel according to the 9th cumulative signal
Reconstruct or soft reconstruct, obtain N+7 grades of serving cell not common channel reconstruction chips；
The 6th above-mentioned convolution unit 2341, is additionally operable to N+7 grades of serving cell not common channel reconstruction chips and clothes
Convolution is made in the time domain channel impulse response of business cell, obtains N+7 grades of serving cell echo signals.
As an alternative embodiment, in interference blanking unit disclosed in the embodiment of the present invention, serving cell is public
Altogether during channel bearing unknown nucleotide sequence, the first reconfiguration unit 2301 can carry out descrambling and de-spreading to serving cell equalizing signal, obtain
Serving cell common signal channel symbol；And serving cell common signal channel symbol progress common signal channel reconstruct symbol is sentenced or soft firmly
Sentence, to obtain serving cell common signal channel reconstruct symbol；And spectrum-spreading and scrambling is carried out to serving cell common signal channel reconstruct symbol,
To obtain serving cell common signal channel reconstructed chip.
As an alternative embodiment, in interference blanking unit disclosed in the embodiment of the present invention, the second reconstruct is single
Member 2304 can carry out descrambling and de-spreading to serving cell equalizing signal, to obtain serving cell common signal channel symbol；And to clothes
Business district common channel symbol carries out that not common channel reconstruction symbol is soft to be sentenced, to obtain serving cell not common channel reconstruction symbol
Number；And exceed the not common channel reconstruction symbol progress spectrum-spreading and scrambling of thresholding to serving cell power, to obtain serving cell
Power exceedes the not common channel reconstruction chip of thresholding.
Interference blanking unit disclosed in the embodiment of the present invention is described in detail above, the embodiment of the present invention can be tied
Close reconstruct interference cancellation techniques and linear disturbance technology for eliminating simultaneously to carry out at interference elimination the reception signal of receiver
Reason, compared with carrying out interference elimination treatment only with linear disturbance technology for eliminating, the embodiment of the present invention can more effectively disappear
Except the signal of receiver is disturbed.
Interference blanking unit disclosed in the embodiment of the present invention can also carry out the iterative interference cancellation of practicality.Because in interference
Under environment, the channel number of serving cell is less, and power is of a relatively high, and linear disturbance technology for eliminating is just applied to channel
The less situation of number, the iteration eliminated with interference is carried out, and signal to noise ratio is improved step by step, and is reconstructed interference cancellation techniques and be just applicable
In the higher scene of signal to noise ratio, so the embodiment of the present invention can obtain preferable interference while lower complexity is maintained
Eradicating efficacy.
Figure 28 is referred to, Figure 28 is the structure chart of another interference blanking unit disclosed in the embodiment of the present invention, for holding
Interference elimination method disclosed in the row embodiment of the present invention.As shown in figure 28, the interference blanking unit 2800 includes：At at least one
Reason device 1001, such as CPU, at least one network interface 1004 or other users interface 1003, memory 1005, at least one
Communication bus 1002.Communication bus 1002 is used to realize the connection communication between these components.Wherein, user interface 1003 is optional
Can include USB interface and other standards interface, wireline interface.Network interface 1004 can optionally connect including Wi-Fi
Mouth and other wave points.Memory 1005 may include high-speed RAM memory, it is also possible to also including non-labile storage
Device（non-volatile memory）, for example, at least one magnetic disk storage.Memory 1005 can optionally include at least one
The individual storage device for being located remotely from aforementioned processor 1001.
In the interference blanking unit shown in Figure 28, network interface 1004 can be connected with the reception antenna of receiver, be deposited
Reservoir 1005 is used for storage program, and processor 1001 is used to call the program stored in memory 1005, and performs the present invention
Embodiment interference elimination method disclosed above.Wherein, the interference blanking unit shown in Figure 28 can combine reconstruct interference and eliminate
Technology and linear disturbance technology for eliminating to carry out interference elimination treatment to the reception signal of receiver simultaneously, and only with linear
Interference cancellation techniques are compared to carry out interference elimination treatment, can more effectively cancellation receiver signal interference.
Figure 29 is referred to, Figure 29 is a kind of structure chart of receiver disclosed in the embodiment of the present invention.As shown in figure 29, this connects
Receipts machine 2900 includes interference blanking unit 2901 and the reception antenna 2902 being connected with interference blanking unit 2901, wherein, connect
Receiving antenna 2902 is used to receive signal, and by the reception signal output received to interference blanking unit 2901.Wherein, interference disappears
Except the structure of device 2901, function can with structure, the function phase of interference blanking unit disclosed in preceding embodiment same, the present invention
Embodiment is not repeated.Receiver disclosed in the embodiment of the present invention can combine reconstruct interference cancellation techniques and linear disturbance disappears
Except technology to carry out interference elimination treatment to the reception signal of receiver simultaneously, with being carried out only with linear disturbance technology for eliminating
Interference elimination treatment is compared, can more effectively cancellation receiver signal interference.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable recording medium, storage
Medium can include：Flash disk, read-only storage（Read-Only Memory, ROM）, random access device（Random Access
Memory, RAM）, disk or CD etc..
Interference elimination method disclosed in the embodiment of the present invention and device, receiver are described in detail above, herein
In apply specific case the principle and embodiment of the present invention be set forth, the explanation of above example is only intended to side
The method and its core concept of the assistant solution present invention；Simultaneously for those of ordinary skill in the art, the think of according to the present invention
Think, will change in specific embodiments and applications, in summary, this specification content should not be construed as pair
The limitation of the present invention.
Claims (25)
1. a kind of interference elimination method, it is characterised in that including：
Make equilibrium treatment using the balance parameters docking collection of letters number of serving cell, obtain serving cell equalizing signal；
The blind reconstruct of serving cell common signal channel or soft reconstruct are carried out to the serving cell equalizing signal, serving cell is obtained public
Channel reconstruction chip；
The soft reconstruct of serving cell not common channel is carried out to the serving cell equalizing signal, serving cell not common channel is obtained
Reconstructed chip, wherein, the serving cell not common channel is that receiving power exceedes in addition to the serving cell common signal channel
The serving cell channel of first pre-determined threshold；
The serving cell equalizing signal is subtracted into the serving cell common signal channel reconstructed chip and the serving cell is non-
Make linear disturbance Processing for removing after common signal channel reconstructed chip, obtain first order serving cell echo signal；
Wherein, serving cell common signal channel includes at least one of following：Primary synchronization channel P-SCH, auxiliary synchronization channel S-SCH, master
CPICH Common Pilot Channel P-CPICH, Primary Common Control Physical Channel P-CCPCH and Page Indication Channel PICH.
2. interference elimination method according to claim 1, it is characterised in that methods described also includes：
The serving cell common signal channel reconstructed chip and the response of serving cell time domain channel impulse are made into convolution, the first order is obtained
Serving cell common signal channel reconstruction signal；
The first order serving cell echo signal is added after the serving cell not common channel reconstruction chip with servicing small
Convolution is made in area's time domain channel impulse response, obtains first order serving cell not common channel reconstruction signal；
Equilibrium treatment is made to the reception signal using the balance parameters of interfered cell, interfered cell equalizing signal is obtained；
The blind reconstruct of interfered cell common signal channel or soft reconstruct are carried out to the interfered cell equalizing signal, interfered cell is obtained public
Channel reconstruction chip, and the interfered cell common signal channel reconstructed chip is rolled up with the response of interfered cell time domain channel impulse
Product, obtains first order interfered cell common signal channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Make equilibrium treatment after channel reconstruction signal, the first order serving cell not common channel reconstruction signal altogether, obtain the second level and do
Disturb cell equalizing signal；
Not common channel soft reconstruct in interfered cell is carried out to second level interfered cell equalizing signal, second level interference is obtained small
Area's not common channel reconstruction chip, and second level interfered cell equalizing signal is subtracted into the non-public affairs in second level interfered cell
Make linear disturbance Processing for removing after channel reconstruction chip altogether, obtain second level interfered cell echo signal；Wherein, the interference is small
Area's not common channel is interfered cell letter of the receiving power more than the second pre-determined threshold in addition to the interfered cell common signal channel
Road；
By second level interfered cell echo signal add the second level interfered cell not common channel reconstruction chip after with
Convolution is made in interfered cell time domain channel impulse response, obtains second level interfered cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, the first order serving cell not common channel reconstruction signal and the non-public affairs in second level interfered cell
Make equilibrium treatment after channel reconstruction signal altogether, obtain third level interfered cell equalizing signal；
Not common channel soft reconstruct in interfered cell is carried out to third level interfered cell equalizing signal, third level interference is obtained small
Area's not common channel reconstruction chip, and third level interfered cell equalizing signal is subtracted into the non-public affairs in third level interfered cell
Make linear disturbance Processing for removing after channel reconstruction chip altogether, obtain third level interfered cell echo signal；
By third level interfered cell echo signal add the third level interfered cell not common channel reconstruction chip after with
Convolution is made in interfered cell time domain channel impulse response, obtains third level interfered cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, the second level interfered cell not common channel reconstruction signal and the non-public affairs in third level interfered cell
Make equilibrium treatment after channel reconstruction signal altogether, obtain fourth stage serving cell equalizing signal；
The soft reconstruct of serving cell not common channel is carried out to the fourth stage serving cell equalizing signal, fourth stage service is obtained small
Area's not common channel reconstruction chip, and the fourth stage serving cell equalizing signal is subtracted into the non-public affairs of fourth stage serving cell
Make linear disturbance Processing for removing after channel reconstruction chip altogether, obtain the fourth stage serving cell echo signal.
3. interference elimination method according to claim 2, it is characterised in that methods described also includes：
By the fourth stage serving cell echo signal add the fourth stage serving cell not common channel reconstruction chip after with
Convolution is made in the response of serving cell time domain channel impulse, obtains the fourth stage serving cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, the fourth stage serving cell not common channel reconstruction signal and the non-public affairs in third level interfered cell
Make equilibrium treatment after channel reconstruction signal altogether, obtain level V interfered cell equalizing signal；
Not common channel soft reconstruct in interfered cell is carried out to level V interfered cell equalizing signal, level V interference is obtained small
Area's not common channel reconstruction chip, and level V interfered cell equalizing signal is subtracted into the non-public affairs in level V interfered cell
Make linear disturbance Processing for removing after channel reconstruction chip altogether, obtain level V interfered cell echo signal；
By level V interfered cell echo signal add the level V interfered cell not common channel reconstruction chip after with
Convolution is made in interfered cell time domain channel impulse response, obtains the level V interfered cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, the fourth stage serving cell not common channel reconstruction signal and the non-public affairs in level V interfered cell
Make equilibrium treatment after channel reconstruction signal altogether, obtain the 6th grade of interfered cell equalizing signal；
Not common channel soft reconstruct in interfered cell is carried out to the 6th grade of interfered cell equalizing signal, the 6th grade of interference is obtained small
Area's not common channel reconstruction chip, and the 6th grade of interfered cell equalizing signal is subtracted into the 6th grade of non-public affairs in interfered cell
Make linear disturbance Processing for removing after channel reconstruction chip altogether, obtain the 6th grade of interfered cell echo signal；
By the 6th grade of interfered cell echo signal add the 6th grade of interfered cell not common channel reconstruction chip after with
Convolution is made in interfered cell time domain channel impulse response, obtains the 6th grade of interfered cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, the level V interfered cell not common channel reconstruction signal and the 6th grade of non-public affairs in interfered cell
Make equilibrium treatment after channel reconstruction signal altogether, obtain the 7th grade of serving cell equalizing signal；
The soft reconstruct of serving cell not common channel is carried out to the 7th grade of serving cell equalizing signal, the 7th grade of service is obtained small
Area's not common channel reconstruction chip, and the 7th grade of serving cell equalizing signal is subtracted into the 7th grade of non-public affairs of serving cell
Make linear disturbance Processing for removing after channel reconstruction chip altogether, obtain the 7th grade of serving cell echo signal.
4. interference elimination method according to claim 2, it is characterised in that methods described also includes：
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Make equilibrium treatment after channel reconstruction signal and N-1 grades of interfered cell not common channel reconstruction signals altogether, obtain N grades of services
Cell equalizing signal；Wherein, the N is the natural number more than or equal to 3；
The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out to the N grades of serving cell equalizing signals, N grades are obtained
Serving cell not common channel reconstruction chip, and by the N grades of serving cells not common channel reconstruction chip and serving cell
Convolution is made in time domain channel impulse response, obtains N grades of serving cell echo signals.
5. interference elimination method according to claim 4, it is characterised in that methods described also includes：
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, N-1 grades of interfered cells not common channel reconstruction signal and the N grades of serving cell targets
Make equilibrium treatment after signal, obtain N grades of interfered cell equalizing signals；
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out to N grades of interfered cells equalizing signal, N grades are obtained
Interfered cell not common channel reconstruction chip, and by N grades of interfered cells not common channel reconstruction chip and interfered cell
Convolution is made in time domain channel impulse response, obtains N grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Channel reconstruction signal, N grades of interfered cells not common channel reconstruction signal and the N grades of serving cell targets are believed altogether
Make equilibrium treatment after number, obtain N+1 grades of interfered cell equalizing signals；
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out to N+1 grades of interfered cells equalizing signal, N is obtained
+ 1 grade of interfered cell not common channel reconstruction chip, and by N+1 grades of interfered cells not common channel reconstruction chip with doing
Disturb the response of cell time domain channel impulse and make convolution, obtain N+1 grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, the N grades of interfered cells not common channel reconstruction signal, the N grades of serving cell echo signals
And make equilibrium treatment after the N+1 grades of interfered cells not common channel reconstruction signal, obtain N+1 grades of serving cells balanced
Signal；
The N+1 grades of serving cell equalizing signals is laggard plus the N grades of serving cells not common channel reconstruction chip
Row serving cell not common Blind channel is reconstructed or soft reconstruct, obtains N+1 grades of serving cell not common channel reconstruction chips, and will
The N+1 grades of serving cells not common channel reconstruction chip makees convolution with the response of serving cell time domain channel impulse, obtains N
+ 1 grade of serving cell echo signal.
6. interference elimination method according to claim 5, it is characterised in that methods described also includes：
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Channel reconstruction signal, the N+1 grades of serving cell echo signals, N grades of interfered cells not common channel reconstruction are believed altogether
Number and the N+1 grades of interfered cells not common channel reconstruction signal after make equilibrium treatment, obtain N+2 grades of interfered cells equal
Weigh signal；
The N+2 grades of interfered cell equalizing signals is laggard plus the N grades of interfered cells not common channel reconstruction chip
The not common Blind channel reconstruct of row interfered cell or soft reconstruct, obtain N+2 grades of interfered cell not common channel reconstruction chips, and will
N+2 grades of interfered cells not common channel reconstruction chip makees convolution with the response of interfered cell time domain channel impulse, obtains institute
State N+2 grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, the N+1 grades of serving cell echo signals, N+1 grades of interfered cells not common channel reconstruction
Make equilibrium treatment after signal and the N+2 grades of interfered cells not common channel reconstruction signal, obtain N+3 grades of interfered cells
Equalizing signal；
The N+3 grades of interfered cell equalizing signals is laggard plus the N grades of interfered cells not common channel reconstruction chip
The not common Blind channel reconstruct of row interfered cell or soft reconstruct, obtain N+3 grades of interfered cell not common channel reconstruction chips, and will
N+3 grades of interfered cells not common channel reconstruction chip makees convolution with the response of interfered cell time domain channel impulse, obtains institute
State N+3 grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal and N+2 grades of interfered cell not common channel reconstruction signals, N+3 grades of interfered cell not common channels
Make equilibrium treatment after reconstruction signal, obtain N+4 grades of serving cell equalizing signals；
The N+4 grades of serving cell equalizing signals is laggard plus the N grades of serving cells not common channel reconstruction chip
Row serving cell not common Blind channel is reconstructed or soft reconstruct, obtains N+4 grades of serving cell not common channel reconstruction chips, and will
The N+4 grades of serving cells not common channel reconstruction chip makees convolution with the response of serving cell time domain channel impulse, obtains N
+ 4 grades of serving cell echo signals.
7. interference elimination method according to claim 1, it is characterised in that methods described also includes：
The serving cell common signal channel reconstructed chip and the response of serving cell time domain channel impulse are made into convolution, the first order is obtained
Serving cell common signal channel reconstruction signal；
The first order serving cell echo signal is added after the serving cell not common channel reconstruction chip with servicing small
Convolution is made in area's time domain channel impulse response, obtains first order serving cell not common channel reconstruction signal；
Equilibrium treatment is made to the reception signal using the balance parameters of interfered cell, interfered cell equalizing signal is obtained；
The blind reconstruct of interfered cell common signal channel or soft reconstruct are carried out to the interfered cell equalizing signal, interfered cell is obtained public
Channel reconstruction chip, and the interfered cell common signal channel reconstructed chip is rolled up with the response of interfered cell time domain channel impulse
Product, obtains first order interfered cell common signal channel reconstruction signal；
Not common channel soft reconstruct in interfered cell is carried out to the interfered cell equalizing signal, interfered cell not common channel is obtained
Reconstructed chip, and the interfered cell equalizing signal is subtracted into the interfered cell common signal channel reconstructed chip and the interference
Make linear disturbance Processing for removing after cell not common channel reconstruction chip, obtain first order interfered cell echo signal；Wherein, institute
It is receiving power the doing more than the second pre-determined threshold in addition to the interfered cell common signal channel to state interfered cell not common channel
Disturb cell channel；
First order interfered cell echo signal is added after the interfered cell not common channel reconstruction chip with disturbing small
Convolution is made in area's time domain channel impulse response, obtains first order interfered cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Make equilibrium treatment after channel reconstruction signal, the first order interfered cell not common channel reconstruction signal altogether, obtain second level clothes
Business cell equalizing signal；
The soft reconstruct of serving cell not common channel is carried out to the second level serving cell equalizing signal, second level service is obtained small
Area's not common channel reconstruction chip, and the second level serving cell equalizing signal is subtracted into the non-public affairs of second level serving cell
Make linear disturbance Processing for removing after channel reconstruction chip altogether, obtain second level serving cell echo signal.
8. interference elimination method according to claim 7, it is characterised in that methods described also includes：
By the second level serving cell echo signal add the second level serving cell not common channel reconstruction chip after with
Convolution is made in the response of serving cell time domain channel impulse, obtains second level serving cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Channel reconstruction signal, the first order serving cell not common channel reconstruction signal and first order interfered cell not common are believed altogether
Make equilibrium treatment after road reconstruction signal, obtain second level interfered cell equalizing signal；
Not common channel soft reconstruct in interfered cell is carried out to second level interfered cell equalizing signal, second level interference is obtained small
Area's not common channel reconstruction chip, and second level interfered cell equalizing signal is subtracted into the non-public affairs in second level interfered cell
Make linear disturbance Processing for removing after channel reconstruction chip altogether, obtain second level interfered cell echo signal；
By second level interfered cell echo signal add the second level interfered cell not common channel reconstruction chip after with
Convolution is made in interfered cell time domain channel impulse response, obtains second level interfered cell not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, N-1 grades of serving cell not common channel reconstruction signals and N-1 grades of interfered cell not common channels
Make equilibrium treatment after reconstruction signal, obtain N grades of interfered cell equalizing signals, wherein, the N is the natural number more than or equal to 3；
Not common channel soft reconstruct in interfered cell is carried out to N grades of interfered cells equalizing signal, N grades of interfered cells are obtained
Not common channel reconstruction chip, and the N grades of interfered cell equalizing signals are subtracted into N grades of interfered cells not common letter
Make linear disturbance Processing for removing after road reconstructed chip, obtain N grades of interfered cell echo signals；
The N grades of interfered cell echo signals are added after the N grades of interfered cells not common channel reconstruction chip with doing
Disturb the response of cell time domain channel impulse and make convolution, obtain N grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Make equilibrium treatment after channel reconstruction signal, the N grades of interfered cells not common channel reconstruction signal altogether, obtain N+1 grades of clothes
Business cell equalizing signal；
The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out to the N+1 grades of serving cell equalizing signals, N is obtained
+ 1 grade of serving cell not common channel reconstruction chip, and by the N+1 grades of serving cells not common channel reconstruction chip with taking
Convolution is made in the time domain channel impulse response of business cell, obtains N+1 grades of serving cell echo signals.
9. interference elimination method according to claim 8, it is characterised in that methods described also includes：
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, the N+1 grades of serving cell echo signals and N grades of interfered cells not common channel reconstruction
Make equilibrium treatment after signal, obtain N+2 grades of interfered cell equalizing signals；
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out to N+2 grades of interfered cells equalizing signal, N is obtained
+ 2 grades of interfered cell not common channel reconstruction chips, and by N+2 grades of interfered cells not common channel reconstruction chip with doing
Disturb the response of cell time domain channel impulse and make convolution, obtain N+2 grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Channel reconstruction signal, the N+1 grades of serving cell echo signals and N+2 grades of interfered cells not common are believed altogether
Make equilibrium treatment after road reconstruction signal, obtain N+3 grades of interfered cell equalizing signals；
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out to N+3 grades of interfered cells equalizing signal, N is obtained
+ 3 grades of interfered cell not common channel reconstruction chips, and by N+3 grades of interfered cells not common channel reconstruction chip with doing
Disturb the response of cell time domain channel impulse and make convolution, obtain N+3 grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, the N+1 grades of serving cell echo signals, N+2 grades of interfered cells not common channel reconstruction
Make equilibrium treatment after signal and the N+3 grades of interfered cells not common channel reconstruction signal, obtain N+4 grades of serving cells
Equalizing signal；
The N+4 grades of serving cell equalizing signals are added after the N+1 grades of serving cells not common channel reconstruction chip
The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out, N+4 grades of serving cell not common channel reconstruction chips are obtained, and
The N+4 grades of serving cells not common channel reconstruction chip and the response of serving cell time domain channel impulse are made into convolution, obtained
N+4 grades of serving cell echo signals.
10. interference elimination method according to claim 9, it is characterised in that methods described also includes：
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, the N+4 grades of serving cell echo signals, N+2 grades of interfered cells not common channel reconstruction
Make equilibrium treatment after signal and the N+3 grades of interfered cells not common channel reconstruction signal, obtain N+5 grades of interfered cells
Equalizing signal；
The N+5 grades of interfered cell equalizing signals are added after the N+2 grades of interfered cells not common channel reconstruction signal
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out, N+5 grades of interfered cell not common channel reconstruction chips are obtained, and
N+5 grades of interfered cells not common channel reconstruction chip and the response of interfered cell time domain channel impulse are made into convolution, obtained
The N+5 grades of interfered cells not common channel reconstruction signal；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Common channel reconstruction signal, the N+4 grades of serving cell echo signals, N+5 grades of interfered cells not common channel reconstruction
Make equilibrium treatment after signal and the N+3 grades of interfered cells not common channel reconstruction signal, obtain N+6 grades of interfered cells
Equalizing signal；
The N+6 grades of interfered cell equalizing signals are added after the N+3 grades of interfered cells not common channel reconstruction signal
The reconstruct of interfered cell not common Blind channel or soft reconstruct are carried out, N+6 grades of interfered cell not common channel reconstruction chips are obtained, and
N+6 grades of interfered cells not common channel reconstruction chip and the response of interfered cell time domain channel impulse are made into convolution, obtained
N+6 grades of interfered cell not common channel reconstruction signals；
The reception signal is subtracted into the first order serving cell common signal channel reconstruction signal, first order interfered cell public affairs
Channel reconstruction signal, N+5 grades of interfered cells not common channel reconstruction signal and the N+6 grades of interfered cells are non-altogether
Make equilibrium treatment after common signal channel reconstruction signal, obtain N+7 grades of serving cell equalizing signals；
The N+7 grades of serving cell equalizing signals are added after the N+1 grades of serving cells not common channel reconstruction chip
The reconstruct of serving cell not common Blind channel or soft reconstruct are carried out, N+7 grades of serving cell not common channel reconstruction chips are obtained, and
The N+7 grades of serving cells not common channel reconstruction chip and the response of serving cell time domain channel impulse are made into convolution, obtained
N+7 grades of serving cell echo signals.
11. the interference elimination method according to any one of claim 1~10, it is characterised in that
It is described that the blind reconstruct of serving cell common signal channel or soft reconstruct are carried out to the serving cell equalizing signal, obtain serving cell
Common signal channel reconstructed chip, including：
Descrambling and de-spreading is carried out to the serving cell equalizing signal, serving cell common signal channel symbol is obtained；
To the serving cell common signal channel symbol carry out common signal channel reconstruct symbol sentence firmly or it is soft sentence, obtain serving cell it is public
Channel reconstruction symbol；
The serving cell common signal channel reconstruct symbol carries out spectrum-spreading and scrambling, obtains the serving cell common signal channel reconstruct code
Piece.
12. the interference elimination method according to any one of claim 1~10, it is characterised in that described small to the service
Area's equalizing signal carries out the soft reconstruct of serving cell not common channel, obtains serving cell not common channel reconstruction chip, including：
Descrambling and de-spreading is carried out to the serving cell equalizing signal, serving cell common signal channel symbol is obtained；
Carry out that not common channel reconstruction symbol is soft sentences to the serving cell common signal channel symbol, obtain serving cell not common letter
Road reconstructs symbol；
Spectrum-spreading and scrambling is carried out to the serving cell not common channel reconstruction symbol, the serving cell not common channel weight is obtained
Structure chip.
13. a kind of interference blanking unit, it is characterised in that including：
First balanced unit, makees equilibrium treatment for the balance parameters docking collection of letters number using serving cell, obtains serving cell
Equalizing signal；
First reconfiguration unit, the serving cell equalizing signal for being obtained to first balanced unit carries out serving cell
The blind reconstruct of common signal channel or soft reconstruct, obtain serving cell common signal channel reconstructed chip；
Second reconfiguration unit, the serving cell equalizing signal for being obtained to first balanced unit carries out serving cell
The soft reconstruct of not common channel, obtains serving cell not common channel reconstruction chip, wherein, the serving cell not common channel is
Serving cell channel of the receiving power more than the first pre-determined threshold in addition to the serving cell common signal channel；
First computing unit, the serving cell equalizing signal for first balanced unit to be obtained subtracts described first
The service that the serving cell common signal channel reconstructed chip and second reconfiguration unit that reconfiguration unit is obtained are obtained
Cell not common channel reconstruction chip, and export the first residual signal；
First linear interference cancellation unit, first residual signal for being exported to first computing unit is made linear dry
Processing for removing is disturbed, first order serving cell echo signal is obtained；
Wherein, serving cell common signal channel includes at least one of following：Primary synchronization channel P-SCH, auxiliary synchronization channel S-SCH, master
CPICH Common Pilot Channel P-CPICH, Primary Common Control Physical Channel P-CCPCH and Page Indication Channel PICH.
14. interference blanking unit according to claim 13, it is characterised in that described device also includes：
First convolution unit, for the serving cell common signal channel reconstructed chip and the clothes for obtaining first reconfiguration unit
Convolution is made in the time domain channel impulse response of business cell, obtains first order serving cell common signal channel reconstruction signal；
Second computing unit, the first order serving cell target for the described first linear interference cancellation unit to be obtained is believed
Number serving cell not common channel reconstruction chip obtained plus second reconfiguration unit, and export the first cumulative letter
Number；
Second convolution unit, first cumulative signal and serving cell time domain for second computing unit to be exported are believed
Channel shock response makees convolution, obtains first order serving cell not common channel reconstruction signal；
First balanced unit, is additionally operable to make equilibrium treatment to the reception signal using the balance parameters of interfered cell, obtains
Obtain interfered cell equalizing signal；
First reconfiguration unit, is additionally operable to do the interfered cell equalizing signal that first balanced unit is obtained
The blind reconstruct of district common channel or soft reconstruct are disturbed, interfered cell common signal channel reconstructed chip is obtained；
First convolution unit, the interfered cell common signal channel for being additionally operable to obtain first reconfiguration unit reconstructs code
Piece makees convolution with the response of interfered cell time domain channel impulse, obtains first order interfered cell common signal channel reconstruction signal；
Described device also includes：
3rd computing unit, for the reception signal to be subtracted into the first order serving cell common signal channel reconstruction signal, institute
First order interfered cell common signal channel reconstruction signal, the first order serving cell not common channel reconstruction signal are stated, and is exported
Second residual signal；
Second balanced unit, for making equilibrium treatment to second residual signal, obtains second level interfered cell equalizing signal；
Third reconstructed unit is soft heavy for carrying out interfered cell not common channel to second level interfered cell equalizing signal
Structure, obtains second level interfered cell not common channel reconstruction chip；
4th computing unit, for second level interfered cell equalizing signal to be subtracted into second level interfered cell not common
Channel reconstruction chip, and export the 3rd residual signal；
Second linear disturbance eliminates unit, for making linear disturbance Processing for removing to the 3rd residual signal, obtains the second level
Interfered cell echo signal；Wherein, the interfered cell not common channel is to be received in addition to the interfered cell common signal channel
Interfered cell channel of the power more than the second pre-determined threshold；
5th computing unit, for second level interfered cell echo signal to be added into second level interfered cell not common
Channel reconstruction chip, and export the second cumulative signal；
3rd convolution unit, for second cumulative signal and the response of interfered cell time domain channel impulse to be made into convolution, is obtained
Second level interfered cell not common channel reconstruction signal；
3rd computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the first order serving cell not common channel reconstruction signal with
And the second level interfered cell not common channel reconstruction signal, and export the 4th residual signal；
Second balanced unit, is additionally operable to make the 4th residual signal equilibrium treatment, obtains third level interfered cell equal
Weigh signal；
The third reconstructed unit, is additionally operable to carry out interfered cell not common channel to third level interfered cell equalizing signal
Soft reconstruct, obtains third level interfered cell not common channel reconstruction chip；
4th computing unit, is additionally operable to third level interfered cell equalizing signal subtracting the third level interfered cell
Not common channel reconstruction chip, and export the 5th residual signal；
Second linear disturbance eliminates unit, is additionally operable to make linear disturbance Processing for removing to the 5th residual signal, obtains
Third level interfered cell echo signal；
5th computing unit, is additionally operable to third level interfered cell echo signal adding the third level interfered cell
Not common channel reconstruction chip, and export the 3rd cumulative signal；
3rd convolution unit, for the 3rd cumulative signal and the response of interfered cell time domain channel impulse to be made into convolution,
Obtain third level interfered cell not common channel reconstruction signal；
3rd computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the second level interfered cell not common channel reconstruction signal with
And the third level interfered cell not common channel reconstruction signal, and export the 6th residual signal；
Second balanced unit, is additionally operable to make the 6th residual signal equilibrium treatment, fourth stage serving cell equilibrium letter
Number；
The third reconstructed unit, is additionally operable to carry out serving cell not common channel to the fourth stage serving cell equalizing signal
Soft reconstruct, obtains fourth stage serving cell not common channel reconstruction chip；
4th computing unit, is additionally operable to the fourth stage serving cell equalizing signal subtracting the fourth stage serving cell
Not common channel reconstruction chip, and export the 7th residual signal；
Second linear disturbance eliminates unit, is additionally operable to make linear disturbance Processing for removing to the 7th residual signal, obtains
The fourth stage serving cell echo signal.
15. interference blanking unit according to claim 14, it is characterised in that
5th computing unit, is additionally operable to the fourth stage serving cell echo signal adding the fourth stage serving cell
Not common channel reconstruction chip, and export the 4th cumulative signal；
3rd convolution unit, is additionally operable to roll up the 4th cumulative signal with the response of serving cell time domain channel impulse
Product, obtains the fourth stage serving cell not common channel reconstruction signal；
3rd computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the fourth stage serving cell not common channel reconstruction signal with
And the third level interfered cell not common channel reconstruction signal, and export the 8th residual signal；
Second balanced unit, is additionally operable to make the 8th residual signal equilibrium treatment, obtains level V interfered cell equal
Weigh signal；
The third reconstructed unit, is additionally operable to carry out interfered cell not common channel to level V interfered cell equalizing signal
Soft reconstruct, obtains level V interfered cell not common channel reconstruction chip；
4th computing unit, is additionally operable to level V interfered cell equalizing signal subtracting the level V interfered cell
Not common channel reconstruction chip, and export the 9th residual signal；
Second linear disturbance eliminates unit, is additionally operable to make linear disturbance Processing for removing to the 9th residual signal, obtains
Level V interfered cell echo signal；
5th computing unit, is additionally operable to level V interfered cell echo signal adding the level V interfered cell
Not common channel reconstruction chip, and export the 5th cumulative signal；
3rd convolution unit, is additionally operable to roll up the 5th cumulative signal with the response of interfered cell time domain channel impulse
Product, obtains the level V interfered cell not common channel reconstruction signal；
3rd computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the fourth stage serving cell not common channel reconstruction signal with
And the level V interfered cell not common channel reconstruction signal, and export the tenth residual signal；
Second balanced unit, is additionally operable to make the tenth residual signal equilibrium treatment, obtains the 6th grade of interfered cell equal
Weigh signal；
The third reconstructed unit, is additionally operable to carry out interfered cell not common channel to the 6th grade of interfered cell equalizing signal
Soft reconstruct, obtains the 6th grade of interfered cell not common channel reconstruction chip；
4th computing unit, is additionally operable to the 6th grade of interfered cell equalizing signal subtracting the 6th grade of interfered cell
Not common channel reconstruction chip, and export the 11st residual signal；
Second linear disturbance eliminates unit, is additionally operable to make linear disturbance Processing for removing to the 11st residual signal, obtains
Obtain the 6th grade of interfered cell echo signal；
5th computing unit, is additionally operable to the 6th grade of interfered cell echo signal adding the 6th grade of interfered cell
Not common channel reconstruction chip, and export the 6th cumulative signal；
3rd convolution unit, is additionally operable to roll up the 6th cumulative signal with the response of interfered cell time domain channel impulse
Product, obtains the 6th grade of interfered cell not common channel reconstruction signal；
3rd computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the level V interfered cell not common channel reconstruction signal with
And the 6th grade of interfered cell not common channel reconstruction signal, and export the 12nd residual signal；
Second balanced unit, is additionally operable to make the 12nd residual signal equilibrium treatment, obtains the 7th grade of serving cell
Equalizing signal；
The third reconstructed unit, is additionally operable to carry out serving cell not common channel to the 7th grade of serving cell equalizing signal
Soft reconstruct, obtains the 7th grade of serving cell not common channel reconstruction chip；
4th computing unit, is additionally operable to the 7th grade of serving cell equalizing signal subtracting the 7th grade of serving cell
Not common channel reconstruction chip, and export the 13rd residual signal；
Second linear disturbance eliminates unit, is additionally operable to make linear disturbance Processing for removing to the 13rd residual signal, obtains
Obtain the 7th grade of serving cell echo signal.
16. interference blanking unit according to claim 14, it is characterised in that described device also includes：
6th computing unit, for the reception signal to be subtracted into the first order serving cell common signal channel reconstruction signal, institute
First order interfered cell common signal channel reconstruction signal and N-1 grades of interfered cell not common channel reconstruction signals are stated, and are exported
14th residual signal, the N is the natural number more than or equal to 3；
3rd balanced unit, for making equilibrium treatment to the 14th residual signal, obtains N grades of serving cell equilibrium letters
Number；Wherein, the N is the natural number more than or equal to 3；
Fourth reconstructed unit, is reconstructed for carrying out serving cell not common Blind channel to the N grades of serving cell equalizing signals
Or soft reconstruct, obtain N grades of serving cell not common channel reconstruction chips；
Volume Four product unit, for by the N grades of serving cells not common channel reconstruction chip and serving cell time domain channel
Impulse response makees convolution, obtains N grades of serving cell echo signals.
17. interference blanking unit according to claim 16, it is characterised in that
6th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, N-1 grades of interfered cells not common channel reconstruction signal with
And the N grades of serving cell echo signals, and export the 15th residual signal；
3rd balanced unit, is additionally operable to make the 15th residual signal equilibrium treatment, obtains N grades of interfered cells equal
Weigh signal；
The fourth reconstructed unit, is additionally operable to carry out interfered cell not common channel to N grades of interfered cells equalizing signal
Blind reconstruct or soft reconstruct, obtain N grades of interfered cell not common channel reconstruction chips；
The Volume Four product unit, when being additionally operable to N grades of interfered cells not common channel reconstruction chip and interfered cell
Domain channel impulse response makees convolution, obtains N grades of interfered cell not common channel reconstruction signals；
6th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, N grades of interfered cells not common channel reconstruction signal and
The N grades of serving cell echo signals, and export the 16th residual signal；
3rd balanced unit, is additionally operable to make the 16th residual signal equilibrium treatment, obtains N+1 grades of interfered cells
Equalizing signal；
The fourth reconstructed unit, is additionally operable to carry out interfered cell not common letter to N+1 grades of interfered cells equalizing signal
The blind reconstruct in road or soft reconstruct, obtain N+1 grades of interfered cell not common channel reconstruction chips；
The Volume Four product unit, is additionally operable to N+1 grades of interfered cells not common channel reconstruction chip and interfered cell
Convolution is made in time domain channel impulse response, obtains N+1 grades of interfered cell not common channel reconstruction signals；
6th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the N grades of interfered cells not common channel reconstruction signal, institute
N grades of serving cell echo signals and the N+1 grades of interfered cells not common channel reconstruction signal are stated, and exports the 17th
Residual signal；
3rd balanced unit, is additionally operable to make the 17th residual signal equilibrium treatment, obtains N+1 grades of serving cells
Equalizing signal；
Described device also includes：
7th computing unit, for the N+1 grades of serving cell equalizing signals to be added into the N grades of serving cell not common
Channel reconstruction chip, and export the 7th cumulative signal；
The fourth reconstructed unit, be additionally operable to using the 7th cumulative signal carry out the reconstruct of serving cell not common Blind channel or
Soft reconstruct, obtains N+1 grades of serving cell not common channel reconstruction chips；
The Volume Four product unit, is additionally operable to the N+1 grades of serving cells not common channel reconstruction chip and serving cell
Convolution is made in time domain channel impulse response, obtains N+1 grades of serving cell echo signals.
18. interference blanking unit according to claim 17, it is characterised in that
6th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the N+1 grades of serving cell echo signals, described N grades do
Cell not common channel reconstruction signal and the N+1 grades of interfered cells not common channel reconstruction signal are disturbed, and exports the tenth
Eight residual signals；
3rd balanced unit, is additionally operable to make the 18th residual signal equilibrium treatment, obtains N+2 grades of interfered cells
Equalizing signal；
7th computing unit, is additionally operable to the N+2 grades of interfered cell equalizing signals adding the N grades of interfered cells
Not common channel reconstruction chip, and export the 8th cumulative signal；
The fourth reconstructed unit, be additionally operable to using the 8th cumulative signal carry out interfered cell not common Blind channel reconstruct or
Soft reconstruct, obtains N+2 grades of interfered cell not common channel reconstruction chips；
The Volume Four product unit, is additionally operable to N+2 grades of interfered cells not common channel reconstruction chip and interfered cell
Convolution is made in time domain channel impulse response, obtains the N+2 grades of interfered cells not common channel reconstruction signal；
6th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the N+1 grades of serving cell echo signals, described N+1 grades
Interfered cell not common channel reconstruction signal and the N+2 grades of interfered cells not common channel reconstruction signal, and export the
19 residual signals；
3rd balanced unit, is additionally operable to make the 19th residual signal equilibrium treatment, obtains N+3 grades of interfered cells
Equalizing signal；
7th computing unit, is additionally operable to the N+3 grades of interfered cell equalizing signals adding the N grades of interfered cells
Not common channel reconstruction chip, and export the 9th cumulative signal；
The fourth reconstructed unit, be additionally operable to using the 9th cumulative signal carry out interfered cell not common Blind channel reconstruct or
Soft reconstruct, obtains N+3 grades of interfered cell not common channel reconstruction chips；
The Volume Four product unit, is additionally operable to N+3 grades of interfered cells not common channel reconstruction chip and interfered cell
Convolution is made in time domain channel impulse response, obtains the N+3 grades of interfered cells not common channel reconstruction signal；
6th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal and N+2 grades of interfered cell not common channel reconstruction signals,
N+3 grades of interfered cell not common channel reconstruction signals, and export the 20th residual signal；
3rd balanced unit, is additionally operable to make the 20th residual signal equilibrium treatment, obtains N+4 grades of serving cells
Equalizing signal；
7th computing unit, is additionally operable to the N+4 grades of serving cell equalizing signals adding the N grades of serving cells
Not common channel reconstruction chip, and export the tenth cumulative signal；
The fourth reconstructed unit, be additionally operable to using the tenth cumulative signal carry out the reconstruct of serving cell not common Blind channel or
Soft reconstruct, obtains N+4 grades of serving cell not common channel reconstruction chips；
The Volume Four product unit, is additionally operable to the N+4 grades of serving cells not common channel reconstruction chip and serving cell
Convolution is made in time domain channel impulse response, obtains N+4 grades of serving cell echo signals.
19. interference blanking unit according to claim 13, it is characterised in that described device also includes：
First convolution unit, for the serving cell common signal channel reconstructed chip and the clothes for obtaining first reconfiguration unit
Convolution is made in the time domain channel impulse response of business cell, obtains first order serving cell common signal channel reconstruction signal；
Second computing unit, the first order serving cell target for the described first linear interference cancellation unit to be obtained is believed
Number serving cell not common channel reconstruction chip obtained plus second reconfiguration unit, and export the first cumulative letter
Number；
Second convolution unit, first cumulative signal and serving cell time domain for second computing unit to be exported are believed
Channel shock response makees convolution, obtains first order serving cell not common channel reconstruction signal；
First balanced unit, is additionally operable to make equilibrium treatment to the reception signal using the balance parameters of interfered cell, obtains
Obtain interfered cell equalizing signal；
Described device also includes：
Third reconstructed unit, the interfered cell equalizing signal for being obtained to first balanced unit carries out interfered cell
The blind reconstruct of common signal channel or soft reconstruct, obtain interfered cell common signal channel reconstructed chip；
3rd convolution unit, be additionally operable to the interfered cell common signal channel reconstructed chip that obtains the third reconstructed unit with
Convolution is made in interfered cell time domain channel impulse response, obtains first order interfered cell common signal channel reconstruction signal；
Fourth reconstructed unit, the interfered cell equalizing signal for being obtained to first balanced unit carries out interfered cell
The soft reconstruct of not common channel, obtains interfered cell not common channel reconstruction chip；Wherein, the interfered cell not common channel is
Interfered cell channel of the receiving power more than the second pre-determined threshold in addition to the interfered cell common signal channel；
3rd computing unit, for by the interfered cell equalizing signal subtract the interfered cell common signal channel reconstructed chip with
And the interfered cell not common channel reconstruction chip, and export the second residual signal；
Second linear disturbance eliminates unit, for making linear disturbance Processing for removing to second residual signal, obtains the first order
Interfered cell echo signal；
4th computing unit, for first order interfered cell echo signal to be added into the interfered cell not common channel weight
After structure chip, and export the second cumulative signal；
Volume Four product unit, for second cumulative signal and the response of interfered cell time domain channel impulse to be made into convolution, is obtained
First order interfered cell not common channel reconstruction signal；
Described device also includes：
5th computing unit, for the reception signal to be subtracted into the first order serving cell common signal channel reconstruction signal, institute
First order interfered cell common signal channel reconstruction signal, the first order interfered cell not common channel reconstruction signal are stated, and is exported
3rd residual signal；
Second balanced unit, for the 3rd residual signal equilibrium treatment, obtaining second level serving cell equalizing signal；
5th reconfiguration unit is soft heavy for carrying out serving cell not common channel to the second level serving cell equalizing signal
Structure, obtains second level serving cell not common channel reconstruction chip；
6th computing unit, for the second level serving cell equalizing signal to be subtracted into the second level serving cell not common
Channel reconstruction chip, and export the 4th residual signal；
Third linear interference cancellation unit, for making linear disturbance Processing for removing to the 4th residual signal, obtains the second level
Serving cell echo signal.
20. interference blanking unit according to claim 19, it is characterised in that described device also includes：
7th computing unit, for the second level serving cell echo signal to be added into the second level serving cell not common
Channel reconstruction chip, and export the 3rd cumulative signal；
5th convolution unit, for the 3rd cumulative signal and the response of serving cell time domain channel impulse to be made into convolution, is obtained
Second level serving cell not common channel reconstruction signal；
5th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the first order serving cell not common channel reconstruction signal with
And first order interfered cell not common channel reconstruction signal, and export the 5th residual signal；
Second balanced unit, is additionally operable to, to the 5th residual signal equilibrium treatment, obtain second level interfered cell balanced
Signal；
5th reconfiguration unit, is additionally operable to carry out interfered cell not common channel to second level interfered cell equalizing signal
Soft reconstruct, obtains second level interfered cell not common channel reconstruction chip；
6th computing unit, is additionally operable to second level interfered cell equalizing signal subtracting the second level interfered cell
Not common channel reconstruction chip, and export the 6th residual signal；
The third linear interference cancellation unit, is additionally operable to make linear disturbance Processing for removing to the 6th residual signal, obtains
Second level interfered cell echo signal；
7th computing unit, is additionally operable to second level interfered cell echo signal adding the second level interfered cell
Not common channel reconstruction chip, and export the 4th cumulative signal；
5th convolution unit, is additionally operable to roll up the 4th cumulative signal with the response of interfered cell time domain channel impulse
Product, obtains second level interfered cell not common channel reconstruction signal；
5th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, N-1 grades of serving cell not common channel reconstruction signals and
N-1 grades of interfered cell not common channel reconstruction signals, and the 7th residual signal is exported, wherein, the N is oneself more than or equal to 3
So count；
Second balanced unit, is additionally operable to the 7th residual signal equilibrium treatment, obtains N grades of interfered cell equilibrium letters
Number；
5th reconfiguration unit, is additionally operable to carry out interfered cell not common channel to N grades of interfered cells equalizing signal
Soft reconstruct, obtains N grades of interfered cell not common channel reconstruction chips；
6th computing unit, is additionally operable to the N grades of interfered cell equalizing signals subtracting the N grades of interfered cells non-
Common signal channel reconstructed chip, and export the 8th residual signal；
The third linear interference cancellation unit, is additionally operable to make linear disturbance Processing for removing to the 8th residual signal, obtains
N grades of interfered cell echo signals；
7th computing unit, is additionally operable to the N grades of interfered cell echo signals is non-plus the N grades of interfered cells
Common signal channel reconstructed chip, and export the 5th cumulative signal；
5th convolution unit, is additionally operable to roll up the 5th cumulative signal with the response of interfered cell time domain channel impulse
Product, obtains N grades of interfered cell not common channel reconstruction signals；
Described device also includes：
8th computing unit, for the reception signal to be subtracted into the first order serving cell common signal channel reconstruction signal, institute
State first order interfered cell common signal channel reconstruction signal, the N grades of interfered cells not common channel reconstruction signal, and export the
Nine residual signals；
3rd balanced unit, for making equilibrium treatment to the 9th residual signal, obtains N+1 grades of serving cell equilibrium letters
Number；
6th reconfiguration unit, for carrying out serving cell not common Blind channel weight to the N+1 grades of serving cell equalizing signals
Structure or soft reconstruct, obtain N+1 grades of serving cell not common channel reconstruction chips；
6th convolution unit, for the N+1 grades of serving cells not common channel reconstruction chip and serving cell time domain to be believed
Channel shock response makees convolution, obtains N+1 grades of serving cell echo signals.
21. interference blanking unit according to claim 20, it is characterised in that
8th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the N+1 grades of serving cell echo signals and the N
Level interfered cell not common channel reconstruction signal, and export the tenth residual signal；
3rd balanced unit, is additionally operable to make the tenth residual signal equilibrium treatment, obtains N+2 grades of interfered cells equal
Weigh signal；
6th reconfiguration unit, is additionally operable to carry out interfered cell not common letter to N+2 grades of interfered cells equalizing signal
The blind reconstruct in road or soft reconstruct, obtain N+2 grades of interfered cell not common channel reconstruction chips；
6th convolution unit, is additionally operable to N+2 grades of interfered cells not common channel reconstruction chip and interfered cell
Convolution is made in time domain channel impulse response, obtains N+2 grades of interfered cell not common channel reconstruction signals；
8th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the N+1 grades of serving cell echo signals and described
N+2 grades of interfered cell not common channel reconstruction signals, and export the 11st residual signal；
3rd balanced unit, is additionally operable to make the 11st residual signal equilibrium treatment, obtains N+3 grades of interfered cells
Equalizing signal；
6th reconfiguration unit, is additionally operable to carry out interfered cell not common letter to N+3 grades of interfered cells equalizing signal
The blind reconstruct in road or soft reconstruct, obtain N+3 grades of interfered cell not common channel reconstruction chips；
6th convolution unit, is additionally operable to N+3 grades of interfered cells not common channel reconstruction chip and interfered cell
Convolution is made in time domain channel impulse response, obtains N+3 grades of interfered cell not common channel reconstruction signals；
8th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the N+1 grades of serving cell echo signals, described N+2 grades
Interfered cell not common channel reconstruction signal and the N+3 grades of interfered cells not common channel reconstruction signal, and export the
12 residual signals；
3rd balanced unit, is additionally operable to make the 12nd residual signal equilibrium treatment, obtains N+4 grades of serving cells
Equalizing signal；
Described device also includes：
9th computing unit, for the N+4 grades of serving cell equalizing signals to be added into the non-public affairs of the N+1 grades of serving cells
Channel reconstruction chip, and export the 6th cumulative signal altogether；
6th reconfiguration unit, be additionally operable to according to the 6th cumulative signal carry out the reconstruct of serving cell not common Blind channel or
Soft reconstruct, obtains N+4 grades of serving cell not common channel reconstruction chips；
6th convolution unit, is additionally operable to the N+4 grades of serving cells not common channel reconstruction chip and serving cell
Convolution is made in time domain channel impulse response, obtains N+4 grades of serving cell echo signals.
22. interference blanking unit according to claim 21, it is characterised in that
8th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the N+4 grades of serving cell echo signals, described N+2 grades
Interfered cell not common channel reconstruction signal and the N+3 grades of interfered cells not common channel reconstruction signal, and export the
13 residual signals；
3rd balanced unit, is additionally operable to make the 13rd residual signal equilibrium treatment, obtains N+5 grades of interfered cells
Equalizing signal；
9th computing unit, is additionally operable to the N+5 grades of interfered cell equalizing signals is small plus the N+2 grades of interference
Area's not common channel reconstruction signal, and export the 7th cumulative signal；
6th reconfiguration unit, be additionally operable to according to the 7th cumulative signal carry out interfered cell not common Blind channel reconstruct or
Soft reconstruct, obtains N+5 grades of interfered cell not common channel reconstruction chips；
6th convolution unit, is additionally operable to N+5 grades of interfered cells not common channel reconstruction chip and interfered cell
Convolution is made in time domain channel impulse response, obtains the N+5 grades of interfered cells not common channel reconstruction signal；
8th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, the N+4 grades of serving cell echo signals, described N+5 grades
Interfered cell not common channel reconstruction signal and the N+3 grades of interfered cells not common channel reconstruction signal, and export the
14 residual signals；
3rd balanced unit, is additionally operable to make the 14th residual signal equilibrium treatment, obtains N+6 grades of interfered cells
Equalizing signal；
9th computing unit, is additionally operable to the N+6 grades of interfered cell equalizing signals is small plus the N+3 grades of interference
Area's not common channel reconstruction signal, and export the 8th cumulative signal；
6th reconfiguration unit, be additionally operable to according to the 8th cumulative signal carry out interfered cell not common Blind channel reconstruct or
Soft reconstruct, obtains N+6 grades of interfered cell not common channel reconstruction chips；
6th convolution unit, is additionally operable to N+6 grades of interfered cells not common channel reconstruction chip and interfered cell
Convolution is made in time domain channel impulse response, obtains N+6 grades of interfered cell not common channel reconstruction signals；
8th computing unit, is additionally operable to the reception signal subtracting the first order serving cell common signal channel reconstruct letter
Number, the first order interfered cell common signal channel reconstruction signal, N+5 grades of interfered cells not common channel reconstruction signal with
And the N+6 grades of interfered cells not common channel reconstruction signal, and export the 15th residual signal；
3rd balanced unit, is additionally operable to make the 15th residual signal equilibrium treatment, obtains N+7 grades of serving cells
Equalizing signal；
9th computing unit, is additionally operable to the N+7 grades of serving cell equalizing signals is small plus the N+1 grades of services
Area's not common channel reconstruction chip, and export the 9th cumulative signal；
6th reconfiguration unit, be additionally operable to according to the 9th cumulative signal carry out the reconstruct of serving cell not common Blind channel or
Soft reconstruct, obtains N+7 grades of serving cell not common channel reconstruction chips；
6th convolution unit, is additionally operable to the N+7 grades of serving cells not common channel reconstruction chip and serving cell
Convolution is made in time domain channel impulse response, obtains N+7 grades of serving cell echo signals.
23. the interference blanking unit according to any one of claim 13~22, it is characterised in that first reconfiguration unit
The blind reconstruct or soft heavy of serving cell common signal channel is carried out to the serving cell equalizing signal that first balanced unit is obtained
Structure, obtain serving cell common signal channel reconstructed chip mode be specially：
The serving cell equalizing signal that first reconfiguration unit is obtained to first balanced unit carries out descrambling and de-spreading, obtains
The serving cell common signal channel symbol；And it is hard to serving cell common signal channel symbol progress common signal channel reconstruct symbol
Sentence or it is soft sentence, obtain serving cell common signal channel reconstruct symbol；And serving cell common signal channel reconstruct symbol is carried out
Spectrum-spreading and scrambling, to obtain serving cell common signal channel reconstructed chip.
24. the interference blanking unit according to any one of claim 13~22, it is characterised in that second reconfiguration unit
The soft reconstruct of serving cell not common channel is carried out to the serving cell equalizing signal that first balanced unit is obtained, obtained
The mode of serving cell not common channel reconstruction chip is specially：
The serving cell equalizing signal that second reconfiguration unit is obtained to first balanced unit carries out descrambling and de-spreading, obtains
Serving cell common signal channel symbol；And it is soft to serving cell common signal channel symbol progress not common channel reconstruction symbol
Sentence, obtain serving cell not common channel reconstruction symbol；And the serving cell not common channel reconstruction symbol is expanded
Frequency is scrambled, and obtains the not common channel reconstruction chip that serving cell power exceedes thresholding.
25. a kind of receiver, it is characterised in that the interference that the receiver includes described in any one of claim 13~24 is eliminated
Device and the reception antenna being connected with the interference blanking unit, wherein, the reception antenna is used to receive signal, and by institute
State reception signal and input the interference blanking unit.
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