CN106231643A - A kind of signal combining method and wireless terminal - Google Patents
A kind of signal combining method and wireless terminal Download PDFInfo
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- CN106231643A CN106231643A CN201610551245.2A CN201610551245A CN106231643A CN 106231643 A CN106231643 A CN 106231643A CN 201610551245 A CN201610551245 A CN 201610551245A CN 106231643 A CN106231643 A CN 106231643A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7083—Cell search, e.g. using a three-step approach
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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Abstract
A kind of signal combining method and wireless terminal, including: when detecting that activation is concentrated with community and adds fashionable, receive the first signal, this activation collection is the set setting up the community being connected with wireless terminal, this activation collection includes that at least two community, the first signal are the signal sums that wireless terminal passes through that DPCH receives from least two community；According to the first signal and the scrambling code number of the first community, determining that wireless terminal passes through the secondary signal that DPCH receives from the first community, the first community is the arbitrary community at least two community；According to secondary signal, add up the bit error rate or the signal to noise ratio of the first community；From at least two community, choose the bit error rate be more than the community of the second preset value less than the first preset value or signal to noise ratio；Merge the transmission signal that the secondary signal of the community chosen is corresponding, to obtain the first merging signal.Implement the embodiment of the present invention, it is possible to achieve multiple communities are sent to the merging of the signal of wireless terminal.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of signal combining method and wireless terminal.
Background technology
Along with the development of mobile communication technology, International Mobile Subscriber quantity is explosive growth, so that user is permissible
The radio spectrum resources used is fewer and feweri.Therefore, in the case of not reducing radio link quality, how to utilize limited frequency
Spectrum resource improves the capacity of cellular system and becomes a problem demanding prompt solution.At WCDMA (Wideband Code
Division Multiple Access, WCDMA) in system, introduce Microcell structure to solve the problems referred to above, but due to
Cell coverage area reduces, so that wireless terminal needs frequently to switch in minizone.When wireless terminal is carried out in minizone
During switching, if using first connection community to be arrived to disconnect community to be left, i.e. soft handover again, then at cell switch process
In, by there is the situation that wireless terminal communicates with multiple communities simultaneously, therefore, how these multiple communities are sent to wireless
The signal of terminal is combined to improve signal gain becomes problem demanding prompt solution.
Summary of the invention
The embodiment of the invention discloses a kind of signal combining method and wireless terminal, it is achieved multiple communities are sent to wireless end
The merging of the signal of end.
The open a kind of signal combining method of first aspect, the method is applied to wireless terminal, when detecting that activation is concentrated with
Community adds fashionable, receives the first signal, determines that wireless terminal passes through special thing according to the scrambling code number of the first signal and the first community
The secondary signal that reason channel (Dedicated Physical Channel, DPCH) receives from the first community, according to secondary signal
Add up the bit error rate (Bit Error Rate, BER) or the signal to noise ratio (Signal Noise Ratio, SNR) of the first community, to
Choosing the bit error rate in Shao Liangge community and be more than the community of the second preset value less than the first preset value or signal to noise ratio, it is little that merging is chosen
The transmission signal that the secondary signal in district is corresponding, can obtain the first merging signal, it is seen then that can be by less for the bit error rate or signal to noise ratio
The transmission signal of bigger community merges, it is thereby achieved that multiple community is sent to the merging of the signal of wireless terminal,
Such that it is able to raising signal gain.Wherein, activating collection is the set setting up the community being connected with wireless terminal, activates collection and can wrap
Including at least two community, may indicate that wireless terminal switches to soft handover in minizone, the first signal is that wireless terminal passes through
The signal sum that DPCH receives from this at least two community, the first community is the arbitrary community in this at least two community.
In one embodiment, the bit error rate of the first community can be added up according to secondary signal and default frequency pilot sign, in advance
If frequency pilot sign is the frequency pilot sign made an appointment with wireless terminal in the first community.Furthermore, it is possible to according to the signal of secondary signal
Power and the signal to noise ratio of noise power statistics the first community.
In one embodiment, first can carry out Multipath searching according to the scrambling code number of the first signal and the first community, obtain
Between the first community and wireless terminal, path and wireless terminal for transmitting signal are received from the first community by destination path
The 3rd signal, be used for transmitting in the path of signal every between the first community being determined by by wireless terminal afterwards and wireless terminal
The 3rd signal that paths receives from the first community merges, to obtain what wireless terminal was received from the first community by DPCH
Secondary signal, owing to signal is sent to wireless terminal by mulitpath by community, and the delay time on every paths may
Difference, therefore, the time that wireless terminal receives, by every paths, the signal that the community same time sends is possible different, because of
This, first obtained the signal received by every paths, then carried out by the signal received by belonging to every paths of same community
Merge, owing to these signals are the corresponding signals of the signal sent the same time, therefore, it can accurately obtain and pass through DPCH
The signal received from each community.Wherein, for transmitting signal between destination path determines that the first community and wireless terminal
Either path in path.
In one embodiment, carry out Multipath searching according to the scrambling code number of the first signal and the first community, can be obtained
For transmitting the path of signal, the delay time of destination path and wireless terminal by target road between one community and wireless terminal
The 3rd signal that footpath receives from the first community.Therefore, it can according to destination path, the scrambling code number of the first community and delay time pair
3rd signal carries out DPCH descrambling and de-spreading and obtains the descrambling and de-spreading value that destination path is corresponding, according to destination path, first community
Scrambling code number and delay time carry out CPICH Common Pilot Channel descrambling and de-spreading successively to the 3rd signal and channel is estimated to obtain destination path
Channel coefficients, determine that mesh is passed through in the first community according to the descrambling and de-spreading value that the channel coefficients of destination path is corresponding with destination path
The 4th signal that mark path sends to wireless terminal, is used for passing between the first community being determined by the first community and wireless terminal
The 4th signal that in the path of defeated signal, every paths sends merges, to obtain the first community by DPCH to wireless terminal
The 5th signal sent, according to the time slot format of the DPCH of the first community, extracts target pilot symbol, statistics from the 5th signal
The target pilot symbol probability different from default frequency pilot sign can obtain the bit error rate of the first community, due to prolonging of each path
Time the time may be different, the channel coefficients of every paths is likely to difference, therefore, it can first according to being received by every paths
Signal determines the signal that each community is sent by every paths, is sent same for the same community time further according to delay time
Signal merges and can obtain the signal that each community sends, then the pilot tone symbol in the signal sent each community obtained
Number compare with default frequency pilot sign, the accuracy of the statistics bit error rate can be improved.
In one embodiment, the transmission signal that the secondary signal of the community that merging is chosen is corresponding obtains the first merging letter
Number, the 5th signal i.e. merging the community chosen obtains the first merging signal, afterwards to first, statistics is merged signal interpretation
First error rate, when the first error rate is not less than the 3rd preset value, and when the community chosen includes the second community, merging is chosen
In community, the 5th signal of community in addition to the second community obtains the second merging signal, adds up and merges signal interpretation to second
Second error rate, when the second decoding error rate is less than three preset values, determines that the second community is abnormal cell, and closes second
And signal merges signal as target, community to be merged can be screened again, improve further such that it is able to improve
Signal gain.
The open a kind of wireless terminal of second aspect, this wireless terminal includes for performing appointing of first aspect or first aspect
The unit of the signal combining method that a kind of possible implementation is provided.
The open a kind of wireless terminal of the third aspect, this wireless terminal includes processor, memorizer and transceiver, wherein:
Transceiver, for when detecting that activation is concentrated with community and adds fashionable, receives the first signal, activates collection and is and wireless end
End sets up the set of community connected, activate collection include at least two community, the first signal be wireless terminal pass through DPCH to
The signal sum that Shao Liangge community receives；
In memorizer, storage has batch processing code, processor for the program code calling in memorizer storage perform with
Lower operation:
According to the first signal and the scrambling code number of the first community, determine that wireless terminal passes through that DPCH receives from the first community
Binary signal, the first community is the arbitrary community at least two community；
According to secondary signal, add up the bit error rate or the signal to noise ratio of the first community；
From at least two community, choose the bit error rate be more than the community of the second preset value less than the first preset value or signal to noise ratio；
Merge the transmission signal that the secondary signal of the community chosen is corresponding, to obtain the first merging signal.
The open a kind of readable storage medium storing program for executing of fourth aspect, this readable storage medium storing program for executing stores wireless terminal for performing first
The program code of the possible signal combining method disclosed in implementation of any one of aspect or first aspect.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below by use required in embodiment
Accompanying drawing is briefly described, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for this area
From the point of view of those of ordinary skill, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 is a kind of network architecture schematic diagram disclosed in the embodiment of the present invention；
Fig. 2 is the schematic flow sheet of a kind of signal combining method disclosed in the embodiment of the present invention；
Fig. 3 is the schematic flow sheet of another kind of signal combining method disclosed in the embodiment of the present invention；
Fig. 4 is the structural representation of a kind of wireless terminal disclosed in the embodiment of the present invention；
Fig. 5 is the structural representation of another kind of wireless terminal disclosed in the embodiment of the present invention；
Fig. 6 is the structural representation of the embodiment of the present invention another wireless terminal disclosed；
Fig. 7 is the structural representation of the embodiment of the present invention another wireless terminal disclosed.
Detailed description of the invention
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
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under not making creative work premise
Execute example, broadly fall into the scope of protection of the invention.
The embodiment of the invention discloses a kind of signal combining method and wireless terminal, it is achieved multiple communities are sent to wireless end
The merging of the signal of end.It is described in detail individually below.
In order to be more fully understood that a kind of signal combining method and wireless terminal disclosed in the embodiment of the present invention, the most first to this
The network architecture that inventive embodiments uses is described.Referring to Fig. 1, Fig. 1 is a kind of network rack disclosed in the embodiment of the present invention
Structure schematic diagram.As it is shown in figure 1, this network architecture can include wireless terminal 101 and network equipment 102.Wireless terminal 101 can
Thinking movement station, distant station, subscriber equipment etc., such as mobile phone, panel computer, personal digital assistant etc., network equipment 102 is permissible
For base station, access point etc..Wireless terminal 101 and network equipment 102 are provided with antenna.Network equipment 102 is used for as nothing
Line terminal 101 provides communication service, the coverage of network equipment 102 to include at least two community, and wireless terminal is at these
Minizone switches over.Wireless terminal 101 switches to soft handover in minizone.The activation collection of wireless terminal is and wireless terminal
Set up the set of community connected, when wireless terminal 101 in minizone when switching to soft handover, activate the number of the community concentrated
Amount is consistently greater than or equal to 2.
Based on the network architecture shown in Fig. 1, referring to Fig. 2, Fig. 2 is a kind of signal merging side disclosed in the embodiment of the present invention
The schematic flow sheet of method.Wherein, the signal combining method shown in Fig. 2 is that the angle from wireless terminal 101 describes.Such as Fig. 2
Shown in, this signal combining method may comprise steps of.
201, when detecting that activation is concentrated with community and adds fashionable, the first signal is received.
In the present embodiment, add fashionable when activation wireless terminal being detected is concentrated with community, show to send to wireless terminal
The quantity of the community of signal adds, and will receive the first signal, and it is little from least two that the first signal is that wireless terminal passes through DPCH
The signal sum that district receives, the i.e. first signal is the signal sum that wireless terminal reception arrives.
202, according to the first signal and the scrambling code number of the first community, determine that wireless terminal passes through DPCH and receives from the first community
Secondary signal.
In the present embodiment, due to the first signal be wireless terminal pass through signal that DPCH receives from least two community it
With, therefore, after receiving the first signal, by according to the first signal and the scrambling code number of the first community, determine that wireless terminal passes through
According to the scrambling code number of the first signal and each community, the secondary signal that DPCH receives from the first community, i.e. determines that wireless terminal passes through
The secondary signal that DPCH receives from each community.Can be first to carry out multipath according to the scrambling code number of the first signal and the first community to search
Rope, determines between the first community and wireless terminal for transmitting the path of signal, the delay time of destination path and wireless terminal
The 3rd signal received from the first community by destination path, is i.e. first to carry out according to the scrambling code number of the first signal and each community
Multipath searching, it may be determined that transmit the path of signal, the delay time of every paths between each community and wireless terminal and pass through
The 3rd signal that every paths receives, afterwards according to the delay time of each paths wireless terminal is determined by first little
The 3rd signal that between district and wireless terminal, every paths receives from the first community in the path transmitting signal merges can
To obtain the secondary signal that wireless terminal is received from the first community by DPCH, it is i.e. that the delay time according to each path will be logical
Cross and belong to the signal that the path of same community receives and merge can obtain that wireless terminal is received from each community by DPCH the
Binary signal.Wherein, the arbitrary road in the path transmitting signal between destination path determines that the first community and wireless terminal
Footpath.
Illustrate, it is assumed that first the first signal of the first reception, second first letter of the second reception
Number, from first the first signal, obtain first the 3rd signal received by first path from the first community, from second
Individual first signal is obtained second the 3rd signal received from the first community by the second path, during the time delay of first path
Between be T1, the delay time in the second path is T2, when the time difference in the second moment Yu the first moment is T2-T1, shows first
Individual 3rd signal and second the 3rd signal are the signals that the signal simultaneously sent by different paths by the first community is produced, because of
This, when determining that wireless terminal passes through the secondary signal that DPCH receives from the first community, need first the 3rd signal and
Two the 3rd signals merge, and will be carried out by the reception signal of the signal generation of different paths transmission same community simultaneously
Merge rather than wireless terminal is merged by belonging to the signal that on the different paths of same community, the same time receives.
203, according to secondary signal, the bit error rate or the signal to noise ratio of the first community is added up.
In the present embodiment, determine that wireless terminal passes through DPCH after the secondary signal that the first community receives, can basis
The average signal power of the multiple secondary signals received from the first community obtained in a period of time and average signal noise, statistics
The signal to noise ratio of the first community.
In the present embodiment, determine that wireless terminal passes through DPCH after the secondary signal that the first community receives, can basis
The multiple secondary signals received from the first community obtained in a period of time and default frequency pilot sign, add up the error code of the first community
Rate, i.e. according to destination path, the scrambling code number of the first community and the delay time of destination path, carries out DPCH descrambling to the 3rd signal
Despreading obtains the descrambling and de-spreading value that destination path is corresponding, and according to destination path, the scrambling code number of the first community and destination path
Delay time, carries out CPICH Common Pilot Channel descrambling and de-spreading and channel successively and estimates to obtain the channel system of destination path the 3rd signal
According to the descrambling and de-spreading value that the channel coefficients of destination path is corresponding with destination path, number, can determine that mesh is passed through in the first community afterwards
The 4th signal that mark path sends to wireless terminal, can be the letter of the descrambling and de-spreading value dot product destination path that destination path is corresponding
Road coefficient, it is also possible to be the conjugation of the channel coefficients of the descrambling and de-spreading value dot product destination path that destination path is corresponding.Afterwards by
The 4th letter that between the first community that one community is determined by and wireless terminal, every paths sends in the path transmit signal
Number merge and to obtain the 5th signal that the first community is sent to wireless terminal by DPCH, time i.e. according to the time delay of every paths
Between the 4th signal simultaneously sent by belonging to the path of same community merged obtain each community by DPCH to nothing
The 5th signal that line terminal sends.Multiple obtained within a period of time according to the time slot format of the DPCH of the first community afterwards
Extracting target pilot symbol in five signals, the probability adding up target pilot symbol different from default frequency pilot sign obtains the first community
The bit error rate.Wherein, default frequency pilot sign is the frequency pilot sign made an appointment with wireless terminal in the first community, and the 5th signal is permissible
Including frequency pilot sign part and non-pilot symbolic component.
204, from least two community, choose the bit error rate be more than the second preset value less than the first preset value or signal to noise ratio
Community.
205, the transmission signal that the secondary signal of the community chosen is corresponding is merged, to obtain the first merging signal.
In the present embodiment, obtain the bit error rate or the signal to noise ratio of all communities according to secondary signal statistics after, will be from least
Liang Ge community is chosen the bit error rate less than the first preset value or signal to noise ratio more than the community of the second preset value, and merge choose little
The transmission signal that the secondary signal in district is corresponding obtains the first merging signal, and the community chosen may be considered normal community, also
It is i.e. that the signal to these communities merges, it is believed that increase diversity gain, to improve radio link performance.
In the signal combining method described by Fig. 2, when detecting that activation is concentrated with community and adds fashionable, receive the first letter
Number, determine that wireless terminal passes through the second letter that DPCH receives from the first community according to the scrambling code number of the first signal and the first community
Number, add up the bit error rate or the signal to noise ratio of the first community according to secondary signal, from least two community, choose the bit error rate less than the
One preset value or signal to noise ratio more than the community of the second preset value, merge transmission signal corresponding to the secondary signal of the community chosen with
Obtain the first merging signal, it is seen then that the transmission signal of less for the bit error rate or that signal to noise ratio is bigger community can be merged, because of
This, it is possible to achieve multiple communities are sent to the merging of the signal of wireless terminal, such that it is able to improve signal gain.
Based on the network architecture shown in Fig. 1, referring to Fig. 3, Fig. 3 is that disclosed in the embodiment of the present invention, another kind of signal merges
The schematic flow sheet of method.Wherein, the signal combining method shown in Fig. 3 is that the angle from wireless terminal 101 describes.Such as figure
Shown in 3, this signal combining method may comprise steps of.
301, when detecting that activation is concentrated with community and adds fashionable, the first signal is received.
In the present embodiment, add fashionable when activation wireless terminal being detected is concentrated with community, show to send to wireless terminal
The quantity of the community of signal adds, and will receive the first signal, and it is little from least two that the first signal is that wireless terminal passes through DPCH
The signal sum that district receives, the i.e. first signal is the signal sum that wireless terminal reception arrives.
302, according to the first signal and the scrambling code number of the first community, determine that wireless terminal passes through DPCH and receives from the first community
Secondary signal.
In the present embodiment, due to the first signal be wireless terminal pass through signal that DPCH receives from least two community it
With, therefore, after receiving the first signal, by according to the first signal and the scrambling code number of the first community, determine that wireless terminal passes through
According to the scrambling code number of the first signal and each community, the secondary signal that DPCH receives from the first community, i.e. determines that wireless terminal passes through
The secondary signal that DPCH receives from each community.Can be first to carry out multipath according to the scrambling code number of the first signal and the first community to search
Rope, determines between the first community and wireless terminal for transmitting the path of signal, the delay time of destination path and wireless terminal
The 3rd signal received from the first community by destination path, is i.e. first to carry out according to the scrambling code number of the first signal and each community
Multipath searching, it may be determined that transmit the path of signal, the delay time of every paths between each community and wireless terminal and pass through
The 3rd signal that every paths receives, afterwards according to the delay time of each paths wireless terminal is determined by first little
The 3rd signal that between district and wireless terminal, every paths receives from the first community in the path transmitting signal merges can
To obtain the secondary signal that wireless terminal is received from the first community by DPCH, it is i.e. that the delay time according to each path will be logical
Cross and belong to the signal that the path of same community receives and merge can obtain that wireless terminal is received from each community by DPCH the
Binary signal.Wherein, the arbitrary road in the path transmitting signal between destination path determines that the first community and wireless terminal
Footpath.
Illustrate, it is assumed that first the first signal of the first reception, second first letter of the second reception
Number, from first the first signal, obtain first the 3rd signal received by first path from the first community, from second
Individual first signal is obtained second the 3rd signal received from the first community by the second path, during the time delay of first path
Between be T1, the time delay in the second path is actual is T2, when the time difference in the second moment Yu the first moment is T2-T1, shows first
Individual 3rd signal and second the 3rd signal are the signals that the signal simultaneously sent by different paths by the first community is produced, because of
This, when determining that wireless terminal passes through the secondary signal that DPCH receives from the first community, need first the 3rd signal and
Two the 3rd signals merge, and will be carried out by the reception signal of the signal generation of different paths transmission same community simultaneously
Merge rather than wireless terminal is merged by belonging to the signal that on the different paths of same community, the same time receives.
303, according to secondary signal, the bit error rate or the signal to noise ratio of the first community is added up.
In the present embodiment, determine that wireless terminal passes through DPCH after the secondary signal that the first community receives, can basis
The average signal power of the multiple secondary signals received from the first community obtained in a period of time and average signal noise, statistics
The signal to noise ratio of the first community.
In the present embodiment, determine that wireless terminal passes through DPCH after the secondary signal that the first community receives, can basis
The multiple secondary signals received from the first community obtained in a period of time and default frequency pilot sign, add up the error code of the first community
Rate, i.e. according to destination path, the scrambling code number of the first community and the delay time of destination path, carries out DPCH descrambling to the 3rd signal
Despreading obtains the descrambling and de-spreading value that destination path is corresponding, and according to destination path, the scrambling code number of the first community and destination path
Delay time, carries out CPICH Common Pilot Channel descrambling and de-spreading and channel successively and estimates to obtain the channel system of destination path the 3rd signal
According to the descrambling and de-spreading value that the channel coefficients of destination path is corresponding with destination path, number, can determine that mesh is passed through in the first community afterwards
The 4th signal that mark path sends to wireless terminal, can be the letter of the descrambling and de-spreading value dot product destination path that destination path is corresponding
Road coefficient, it is also possible to be the conjugation of the channel coefficients of the descrambling and de-spreading value dot product destination path that destination path is corresponding.Afterwards by
The 4th letter that between the first community that one community is determined by and wireless terminal, every paths sends in the path transmit signal
Number merge and to obtain the 5th signal that the first community is sent to wireless terminal by DPCH, time i.e. according to the time delay of every paths
Between the 4th signal simultaneously sent by belonging to the path of same community merged obtain each community by DPCH to nothing
The 5th signal that line terminal sends.Multiple obtained within a period of time according to the time slot format of the DPCH of the first community afterwards
Extracting target pilot symbol in five signals, the probability adding up target pilot symbol different from default frequency pilot sign obtains the first community
The bit error rate.Wherein, default frequency pilot sign is the frequency pilot sign made an appointment with wireless terminal in the first community, and the 5th signal is permissible
Including pilot tone frequency pilot sign and non-pilot symbolic component.
304, from least two community, choose the bit error rate be more than the second preset value less than the first preset value or signal to noise ratio
Community.
305, the transmission signal that the secondary signal of the community chosen is corresponding is merged, to obtain the first merging signal.
In the present embodiment, obtain the bit error rate or the signal to noise ratio of all communities according to secondary signal statistics after, will be from least
Liang Ge community is chosen the bit error rate less than the first preset value or signal to noise ratio more than the community of the second preset value, and merge choose little
The transmission signal that the secondary signal in district is corresponding obtains the first merging signal, and the community chosen may be considered normal community, also
It is i.e. that the signal to these communities merges, it is believed that increase diversity gain, to improve radio link performance.
306, statistics is to the first the first error rate merging signal interpretation, when the first error rate is not less than the 3rd preset value,
And the community chosen is when including the second community, merge in the community chosen the secondary signal correspondence of community except the second community in addition to
Transmission signal, to obtain the second merging signal.
In the present embodiment, merge transmission signal acquisition first corresponding to the secondary signal of community chosen merge signal it
After, can add up and merge the first error rate of signal interpretations in a period of time multiple first, when the first error rate is not less than the
Three preset values, the and when community chosen includes the second community, can first being treated as abnormal cell the second community, will second
Community is rejected from the community chosen, and only merges in the community chosen the 5th signal acquisition of community in addition to the second community
Two merge signal.Wherein, the second community is the community being newly joined and activating collection.
307, statistics is to the second the second error rate merging signal interpretation, when the second decoding error rate is less than the 3rd preset value
Time, determine that the second community is abnormal cell, and the second merging signal is merged signal as target.
In the present embodiment, the 5th signal acquisition second merging in the community chosen the community in addition to the second community merges
After signal, by statistics to the obtain in a period of time multiple second the second error rate merging signal interpretation, when the second decoding
When error rate is less than three preset values, determines that the second community is abnormal cell, i.e. show to be likely to be due to network configuration abnormal, wireless
It is problematic, if also closed by the signal that the second community sends that terminal signaling resolves the abnormal descending DPCH channel causing the second community
And if, may will not bring signal gain, counter productive can be produced on the contrary, affect downstream modulation and receive, cause the bit error rate high
Even call drop, therefore, merges signal using the second merging signal as target, will believe as final merging by the second merging signal
Number.When the second decoding error rate is not less than three preset values, determine that the second community is normal cell, and merge signal by first
Signal is merged as target.
In the signal combining method described by Fig. 3, the bit error rate can be first passed through or community is tentatively sieved by signal to noise ratio
Choosing, then carry out primary screening again by the error rate of decoding, screened by two steps, be possible not only to realize multiple community and be sent to nothing
The merging of the signal of line terminal, and signal gain can be improved further.
Based on the network architecture shown in Fig. 1, referring to Fig. 4, Fig. 4 is a kind of wireless terminal disclosed in the embodiment of the present invention
Structural representation.As shown in Figure 4, this wireless terminal may include that
Receive unit 401, for when detecting that activation is concentrated with community and adds fashionable, receive the first signal, activate collection be with
Wireless terminal sets up the set of the community connected, and the set of community includes that at least two community, the first signal are that wireless terminal leads to
Cross the signal sum that DPCH receives from least two community；
Determine unit 402, for according to receiving the first signal and the scrambling code number of the first community that unit 401 receives, determining
The secondary signal that wireless terminal is received from the first community by DPCH, the first community is the arbitrary community at least two community；
Statistic unit 403, for according to the secondary signal determining that unit 402 determines, add up the first community the bit error rate or
Signal to noise ratio；
Choose unit 404, pre-less than first for choosing the bit error rate of statistic unit 403 statistics from least two community
If value or signal to noise ratio are more than the community of the second preset value；
Combining unit 405, for merging the transmission signal that the secondary signal choosing the community that unit 404 is chosen is corresponding, with
Obtain the first merging signal.
In the wireless terminal described by Fig. 4, when detecting that activation is concentrated with community and adds fashionable, receive the first signal, root
Determine that wireless terminal passes through the secondary signal that DPCH receives from the first community according to the scrambling code number of the first signal and the first community, according to
Secondary signal adds up the bit error rate or the signal to noise ratio of the first community, chooses the bit error rate less than the first preset value from least two community
Or signal to noise ratio is more than the community of the second preset value, merge transmission signal corresponding to the secondary signal of the community chosen to obtain first
Merge signal, it is seen then that the transmission signal of less for the bit error rate or that signal to noise ratio is bigger community can be merged, therefore, it can
Realize the merging that multiple community is sent to the signal of wireless terminal, such that it is able to improve signal gain.
Based on the network architecture shown in Fig. 1, referring to Fig. 5, Fig. 5 is another kind of wireless terminal disclosed in the embodiment of the present invention
Structural representation.Wireless terminal shown in Fig. 5 is that the wireless terminal optimization shown in Fig. 4 obtains, wherein:
Statistic unit 403 specifically for:
According to secondary signal and default frequency pilot sign, adding up the bit error rate of the first community, default frequency pilot sign is first little
The frequency pilot sign that district and wireless terminal are made an appointment；Or
Signal power according to secondary signal and noise power, add up the signal to noise ratio of the first community.
As a kind of possible embodiment, determine that unit 402 may include that
Search subelement 4021, for carrying out Multipath searching according to the scrambling code number of the first signal and the first community, to determine
Between the first community and wireless terminal, path and wireless terminal for transmitting signal are received from the first community by destination path
The 3rd signal, between the first community that destination path determines that and wireless terminal the arbitrary road in the path transmitting signal
Footpath；
Merge subelement 4022, for the first community determined by search subelement 4021 by wireless terminal and wireless end
The 3rd signal that between end, every paths receives from the first community in the path transmitting signal merges, to obtain wireless end
The secondary signal that end is received from the first community by DPCH.
As a kind of possible embodiment, search for subelement 4021, specifically for according to the first signal and the first community
Scrambling code number carry out Multipath searching, to determine between the first community and wireless terminal for transmitting the path of signal, destination path
The 3rd signal that delay time and wireless terminal are received from the first community by destination path；
Statistic unit 403 is according to secondary signal and default frequency pilot sign, and statistics is stated the bit error rate of the first community and included:
According to destination path, the scrambling code number of the first community and the delay time of destination path, the 3rd signal is carried out DPCH
Descrambling and de-spreading, the descrambling and de-spreading value corresponding to obtain destination path；
According to destination path, the scrambling code number of the first community and the delay time of destination path, the 3rd signal is carried out successively
CPICH Common Pilot Channel descrambling and de-spreading and channel are estimated, to obtain the channel coefficients of destination path；
The descrambling and de-spreading value that channel coefficients according to destination path is corresponding with destination path, determines that target is passed through in the first community
The 4th signal that path sends to wireless terminal；
It is used for transmitting in the path of signal every paths between the first community being determined by the first community and wireless terminal
The 4th signal sent merges, to obtain the 5th signal that the first community is sent to wireless terminal by DPCH；
The time slot format of the DPCH according to the first community, extracts target pilot symbol from the 5th signal；
Add up the target pilot symbol probability different from default frequency pilot sign to obtain the bit error rate of the first community.
As a kind of possible embodiment, combining unit 405, specifically for merging the 5th signal of the community chosen,
To obtain the first merging signal；
Statistic unit 403, is additionally operable to add up the first mistake being combined the first merging signal interpretation that unit 405 merges
Rate；
Combining unit 405, is additionally operable to when the first error rate of statistic unit 403 statistics is not less than the 3rd preset value, and choosing
When the community taken includes the second community, merge in the community chosen the 5th signal of community except the second community in addition to, with acquisition
Second merges signal, and the second community is the community being newly joined and activating collection；
Statistic unit 403, is additionally operable to add up the second mistake being combined the second merging signal interpretation that unit 405 merges
Rate；
Determine unit 402, be additionally operable to when the second decoding error rate of statistic unit 403 statistics is less than three preset values,
Determine that the second community is abnormal cell, and the second merging signal is merged signal as target.
In the wireless terminal described by Fig. 5, the bit error rate or signal to noise ratio can be first passed through community is carried out Preliminary screening, then
Carry out primary screening again by the error rate of decoding, screened by two steps, be possible not only to realize multiple community and be sent to wireless end
The merging of the signal of end, and signal gain can be improved further.
Based on the network architecture shown in Fig. 1, referring to Fig. 6, Fig. 6 is the embodiment of the present invention another wireless terminal disclosed
Structural representation.As shown in Figure 6, this wireless terminal can include processor 601, memorizer 602, transceiver 603 and bus
604.Processor 601 can be a general central processor (CPU), multiple CPU, microprocessor, ASIC
(application-specific integrated circuit, ASIC), or one or more for controlling the present invention program
The integrated circuit that program performs.Memorizer 602 can be that read only memory (read-only memory, ROM) maybe can store quiet
State information and the other kinds of static storage device of instruction, random access memory (random access memory, RAM)
Or the other kinds of dynamic memory of information and instruction can be stored, it is also possible to be EEPROM
(Electrically Erasable Programmable Read-Only Memory, EEPROM), read-only optical disc (Compact
Disc Read-Only Memory, CD-ROM) or other optical disc storage, laser disc storage (include compress laser disc, laser dish, light
Dish, Digital Versatile Disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carry or
Storage have instruction or the desired program code of data structure form and can by any other medium of computer access, but
It is not limited to this.Memorizer 602 can be to be individually present, and bus 604 is connected with processor 601.Memorizer 602 can also and be located
Reason device 601 integrates.Transceiver 603, is used for and other equipment or communication, such as Ethernet, wireless access network
(RAN), WLAN (Wireless Local Area Networks, WLAN) etc..Bus 604 can include a path,
Information is transmitted between said modules.Wherein:
Transceiver 603, for when detecting that activation is concentrated with community and adds fashionable, receiving the first signal and be sent to processor
601, activating collection is the set setting up the community being connected with wireless terminal, and the set of this community can include at least two community,
First signal is the signal sum that wireless terminal passes through that DPCH receives from least two community；
In memorizer 602, storage has batch processing code, and processor 601 is for calling the program of storage in memorizer 602
Code operates below performing:
According to the first signal and the scrambling code number of the first community, determine that wireless terminal passes through that DPCH receives from the first community
Binary signal, the first community is the arbitrary community at least two community；
According to secondary signal, add up the bit error rate or the signal to noise ratio of the first community；
From at least two community, choose the bit error rate be more than the community of the second preset value less than the first preset value or signal to noise ratio；
Merge the transmission signal that the secondary signal of the community chosen is corresponding, to obtain the first merging signal.
As a kind of possible embodiment, processor 601, according to secondary signal, adds up the bit error rate or the letter of the first community
Make an uproar than mode be:
According to secondary signal and default frequency pilot sign, adding up the bit error rate of the first community, default frequency pilot sign is first little
The frequency pilot sign that district and wireless terminal are made an appointment；Or
Signal power according to secondary signal and noise power, add up the signal to noise ratio of the first community.
As a kind of possible embodiment, processor 601, according to the first signal and the scrambling code number of the first community, determines nothing
Line terminal is by the way of DPCH is from the secondary signal that the first community receives:
Scrambling code number according to the first signal and the first community carries out Multipath searching, to determine between the first community and wireless terminal
The 3rd signal received from the first community by destination path for the path and wireless terminal of transmitting signal, destination path is
Either path in the path transmitting signal between the first community determined and wireless terminal；
It is used for transmitting every paths in the path of signal between the first community being determined by by wireless terminal and wireless terminal
The 3rd signal received from the first community merges, to obtain the second letter that wireless terminal is received from the first community by DPCH
Number.
As a kind of possible embodiment, processor 601 carries out many according to the scrambling code number of the first signal and the first community
Path search, with determine between the first community and wireless terminal for transmit the path of signal and wireless terminal by destination path from
The mode of the 3rd signal that the first community receives is:
Scrambling code number according to the first signal and the first community carries out Multipath searching, to determine between the first community and wireless terminal
For transmitting what the path of signal, the delay time of destination path and wireless terminal were received from the first community by destination path
3rd signal；
Processor 601 according to secondary signal and default frequency pilot sign, the mode of the bit error rate adding up the first community is:
According to destination path, the scrambling code number of the first community and the delay time of destination path, the 3rd signal is carried out DPCH
Descrambling and de-spreading, the descrambling and de-spreading value corresponding to obtain destination path；
According to destination path, the scrambling code number of the first community and the delay time of destination path, the 3rd signal is carried out successively
CPICH Common Pilot Channel descrambling and de-spreading and channel are estimated, to obtain the channel coefficients of destination path；
Channel coefficients according to destination path and the descrambling and de-spreading value of destination path, determine that destination path is passed through in the first community
The 4th signal sent to wireless terminal；
It is used for transmitting in the path of signal every paths between the first community being determined by the first community and wireless terminal
The 4th signal sent merges, to obtain the 5th signal that the first community is sent to wireless terminal by DPCH；
The time slot format of the DPCH according to the first community, extracts target pilot symbol from the 5th signal；
Add up the target pilot symbol probability different from default frequency pilot sign to obtain the bit error rate of the first community.
As a kind of possible embodiment, the transmission that the secondary signal of the community that processor 601 merging is chosen is corresponding is believed
Number, in the way of obtaining the first merging signal it is:
Merge the 5th signal of the community chosen, to obtain the first merging signal；
Processor 601 merges the 5th signal of the community chosen, and after obtaining the first merging signal, processor 601 is also
Operate for calling below the program code execution of storage in memorizer 602:
Add up the first the first error rate merging signal interpretation；
When the first error rate is not less than the 3rd preset value, and when the community chosen includes the second community, it is little that merging is chosen
5th signal of community in addition to the second community in district, to obtain the second merging signal, the second community is to be newly joined activation
The community of collection；
Add up the second the second error rate merging signal interpretation；
When the second decoding error rate is less than three preset values, determine that the second community is abnormal cell, and merge second
Signal merges signal as target.
In implementing, as a kind of possible embodiment, this wireless terminal can also include input equipment 605 He
Output device 606, outut device 606 communicates with processor 601, can show information in many ways.Such as, outut device
606 can be liquid crystal display (liquid crystal display, LCD), Light-Emitting Diode (light emitting
Diode, LED) display device, cathode ray tube (cathode ray tube, CRT) display device, or projector
(projector) etc..Input equipment 605 communicates with processor 601, can accept the input of user in many ways.Such as, defeated
Entering equipment 605 can be mouse, keyboard, touch panel device or sensing equipment etc..
Wherein, step 202-206 and 302-307 can be called in memorizer 602 by the processor 601 in wireless terminal and deposit
The program code of storage performs, and step 201 and step 301 can be performed by the transceiver 603 in wireless terminal.
Wherein, receiving unit 401 can be realized by the transceiver 603 in wireless terminal, determines that unit 402, statistics are single
Unit 403, choose unit 404 and combining unit 405 can be realized by the processor 601 in wireless terminal and memorizer 602,.
In the wireless terminal described by Fig. 6, the bit error rate or signal to noise ratio can be first passed through community is carried out Preliminary screening, then
Carry out primary screening again by the error rate of decoding, screened by two steps, be possible not only to realize multiple community and be sent to wireless end
The merging of the signal of end, and signal gain can be improved further.
Based on the network architecture shown in Fig. 1, referring to Fig. 7, Fig. 7 is the embodiment of the present invention another wireless terminal disclosed
Structural diagrams be intended to.As it is shown in fig. 7, this wireless terminal includes antenna, radio frequency part and baseband processor.Radio frequency part includes
Radio-frequency front-end (Radio Frequency Fore End, RFFE) and RF IC (Radio Frequency
Integrated Circuit, RFIC), after being modulated by the transmission signal from base band, it is sent to antenna, or by antenna
Issue base band after the signal demodulation of eating dishes without rice or wine sent to process for communication protocol.RFFE includes duplexer and power amplifier (Power
Amplifier, PA), duplexer, for being all coupled to antenna by transmitting path and receiving path so that antenna can send
Or receive or receive and dispatch simultaneously；PA, is used in transmitting path sending signal power enlarging function, in order to can send out from antenna
Go out.RFIC is RFFE modem module below, and the low frequency signal of base band is become high in transmitting path by modulation exactly
Frequently RF signal (i.e. up-conversion, its function is exactly to be realized by such as the upconverter in figure), demodulation is accepting path exactly by high frequency
RF signal is demodulated into baseband signal (i.e. down coversion, its function is exactly to be realized) by such as the low-converter in figure, and up/down converter is also
It is exactly frequency mixer, by higher frequency RF signals is generated baseband signal with local oscillation signal mixing, or by baseband signal and local oscillation signal
Mixing generates higher frequency RF signals.Low-noise amplifier (Lower Noise is may also include before demodulation in receiving path
Amplifier, LNA), it is used for docking the collection of letters and number does and to amplify, such as dotted portion in Fig. 7.Base band is mainly believed by baseband processor
Number process, the various types of communication agreements such as 2G, 3G, 4G, 5G can be processed.
The embodiment of the invention also discloses a kind of readable storage medium storing program for executing, this readable storage medium storing program for executing store wireless terminal for
Perform the program code of the signal combining method shown in Fig. 2 or Fig. 2.
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
Completing instructing relevant hardware by program, this program can be stored in a computer-readable recording medium, storage
Medium may include that flash disk, read only memory (read-only memory, ROM), random access device (random access
Memory, RAM), disk or CD etc..
Although combine each embodiment invention has been described at this, but, implementing the present invention for required protection
During, those skilled in the art are by checking described accompanying drawing, disclosure and appended claims, it will be appreciated that and real
Other changes of existing described open embodiment.In the claims, " include " that (comprising) word is not excluded for other compositions
Part or step, "a" or "an" is not excluded for multiple situations.Single processor or other unit can realize claim
In some functions enumerating.Mutually different has been recited in mutually different dependent some measure, it is not intended that these are arranged
Executing to combine produces good effect.
Above sub-signal disclosed in the embodiment of the present invention is merged method and wireless terminal is described in detail, herein
Applying specific case to be set forth principle and the embodiment of the present invention, the explanation of above example is only intended to help
Understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention,
The most all will change, in sum, this specification content should not be construed as this
The restriction of invention.
Claims (10)
1. a signal combining method, it is characterised in that described method is applied to wireless terminal, including:
When detecting that activation is concentrated with community and adds fashionable, receiving the first signal, described activation collection is to set up with described wireless terminal
The set of the community connected, described activation collection includes that at least two community, described first signal are that described wireless terminal is by specially
The signal sum received from described at least two community with physical channel DPCH；
According to described first signal and the scrambling code number of the first community, determine that described wireless terminal passes through DPCH from described first community
The secondary signal received, described first community is the arbitrary community in described at least two community；
According to described secondary signal, add up the bit error rate or the signal to noise ratio of described first community；
From described at least two community, choose the bit error rate be more than the community of the second preset value less than the first preset value or signal to noise ratio；
Merge the transmission signal that the secondary signal of the community chosen is corresponding, to obtain the first merging signal.
Method the most according to claim 1, it is characterised in that described according to described secondary signal, adds up described first little
The bit error rate or the signal to noise ratio in district include:
According to described secondary signal and default frequency pilot sign, add up the bit error rate of described first community, described default frequency pilot sign
The frequency pilot sign made an appointment with described wireless terminal for described first community；Or
Signal power according to described secondary signal and noise power, add up the signal to noise ratio of described first community.
Method the most according to claim 1 and 2, it is characterised in that described according to described first signal and the first community
Scrambling code number, determines that the secondary signal that described wireless terminal is received from described first community by DPCH includes:
Scrambling code number according to described first signal and the first community carries out Multipath searching, to determine described first community and described nothing
Line terminal room for transmit that the path of signal and described wireless terminal are received from described first community by destination path the
Between three signals, described first community that described destination path determines that and described wireless terminal in the path transmitting signal
Either path；
It is used for transmitting between described first community that described wireless terminal is determined by and described wireless terminal in the path of signal
The 3rd signal that every paths receives from described first community merges, to obtain described wireless terminal by DPCH from described
The secondary signal that first community receives.
Method the most according to claim 3, it is characterised in that described according to described first signal and the scrambler of the first community
Number carry out Multipath searching, to determine between described first community and described wireless terminal for transmitting the path of signal and described nothing
The 3rd signal that line terminal is received from described first community by destination path includes:
Scrambling code number according to described first signal and the first community carries out Multipath searching, to determine described first community and described nothing
Line terminal room is for transmitting the path of signal, the delay time of destination path and described wireless terminal by described destination path
The 3rd signal received from described first community；
Described according to described secondary signal with default frequency pilot sign, the bit error rate adding up described first community includes:
According to described destination path, the scrambling code number of described first community and described delay time, described 3rd signal is carried out
DPCH descrambling and de-spreading, the descrambling and de-spreading value corresponding to obtain described destination path；
According to described destination path, the scrambling code number of described first community and described delay time, described 3rd signal is entered successively
Row CPICH Common Pilot Channel descrambling and de-spreading and channel are estimated, to obtain the channel coefficients of described destination path；
According to described channel coefficients and described descrambling and de-spreading value, determine described first community by described destination path to described nothing
The 4th signal that line terminal sends；
It is used for transmitting between described first community that described first community is determined by and described wireless terminal in the path of signal
The 4th signal that every paths sends merges, to obtain what described first community was sent to described wireless terminal by DPCH
5th signal；
The time slot format of the DPCH according to described first community, extracts target pilot symbol from described 5th signal；
Add up the described target pilot symbol probability different from described default frequency pilot sign to obtain the error code of described first community
Rate.
Method the most according to claim 4, it is characterised in that corresponding the sending out of secondary signal of the community that described merging is chosen
The number of delivering letters, includes obtaining the first merging signal:
Merge the 5th signal of the community chosen, to obtain the first merging signal；
5th signal of the community that described merging is chosen, after obtaining the first merging signal, described method also includes:
Add up the described first the first error rate merging signal interpretation；
When described first error rate is not less than the 3rd preset value, and described in the community chosen when including the second community, merge described
5th signal of community in addition to described second community in the community chosen is to obtain the second merging signal, described second little
District is to be newly joined the described community activating collection；
Add up the described second the second error rate merging signal interpretation；
When described second decoding error rate is less than described three preset value, determine that described second community is abnormal cell, and will
Described second merges signal merges signal as target.
6. a wireless terminal, it is characterised in that including:
Receiving unit, for when detecting that activation is concentrated with community and adds fashionable, receiving the first signal, described activation collection is with described
Wireless terminal sets up the set of the community connected, and described activation collection includes that at least two community, described first signal are described nothings
The signal sum that line terminal is received from described at least two community by DPCH DPCH；
Determine unit, for the first signal received according to described reception unit and the scrambling code number of the first community, determine described nothing
The secondary signal that line terminal is received from described first community by DPCH, described first community is in described at least two community
Arbitrary community；
Statistic unit, for according to the described secondary signal determining that unit determines, adds up the bit error rate or the letter of described first community
Make an uproar ratio；
Choose unit, preset less than first for choosing the bit error rate of described statistic unit statistics from described at least two community
Value or signal to noise ratio are more than the community of the second preset value；
Combining unit, the transmission signal that the secondary signal of the community choosing unit selection described in merge is corresponding, to obtain the
One merges signal.
Wireless terminal the most according to claim 6, it is characterised in that described statistic unit specifically for:
According to described secondary signal and default frequency pilot sign, add up the bit error rate of described first community, described default frequency pilot sign
The frequency pilot sign made an appointment with described wireless terminal for described first community；Or
Signal power according to described secondary signal and noise power, add up the signal to noise ratio of described first community.
8. according to the wireless terminal described in claim 6 or 7, it is characterised in that described determine that unit includes:
Search subelement, for carrying out Multipath searching according to the scrambling code number of described first signal and the first community, described to determine
Between the first community and described wireless terminal, destination path is passed through from described in path and described wireless terminal for transmitting signal
For passing between the 3rd signal that the first community receives, described first community that described destination path determines that and described wireless terminal
Either path in the path of defeated signal；
Merge subelement, for described first community and the described nothing that are determined by described search subelement by described wireless terminal
Line terminal room the 3rd signal that every paths receives from described first community in the path transmitting signal merges, to obtain
Obtain the secondary signal that described wireless terminal is received from described first community by DPCH.
Wireless terminal the most according to claim 8, it is characterised in that described search subelement, specifically for according to described
The scrambling code number of the first signal and the first community carries out Multipath searching, with determine between described first community and described wireless terminal for
The transmission path of signal, the delay time of destination path and described wireless terminal by described destination path from described first little
The 3rd signal that district receives；
Described statistic unit includes according to described secondary signal and default frequency pilot sign, the bit error rate adding up described first community:
According to described destination path, the scrambling code number of described first community and described delay time, described 3rd signal is carried out
DPCH descrambling and de-spreading, the descrambling and de-spreading value corresponding to obtain described destination path；
According to described destination path, the scrambling code number of described first community and described delay time, described 3rd signal is entered successively
Row CPICH Common Pilot Channel descrambling and de-spreading and channel are estimated, to obtain the channel coefficients of described destination path；
According to described channel coefficients and described descrambling and de-spreading value, determine described first community by described destination path to described nothing
The 4th signal that line terminal sends；
It is used for transmitting between described first community that described first community is determined by and described wireless terminal in the path of signal
The 4th signal that every paths sends merges, to obtain what described first community was sent to described wireless terminal by DPCH
5th signal；
The time slot format of the DPCH according to described first community, extracts target pilot symbol from described 5th signal；
Add up the described target pilot symbol probability different from described default frequency pilot sign to obtain the error code of described first community
Rate.
Wireless terminal the most according to claim 9, it is characterised in that described combining unit, chooses specifically for merging
5th signal of community, to obtain the first merging signal；
Described statistic unit, is additionally operable to the first error rate of the first merging signal interpretation that described combining unit is merged by statistics；
Described combining unit, the first error rate being additionally operable to add up when described statistic unit is not less than the 3rd preset value and described
When the community chosen includes the second community, the 5th letter of community in addition to described second community in the community chosen described in merging
Number, to obtain the second merging signal, described second community is to be newly joined the described community activating collection；
Described statistic unit, is additionally operable to the second error rate of the second merging signal interpretation that described combining unit is merged by statistics；
Described determining unit, the second decoding error rate being additionally operable to add up when described statistic unit is less than described 3rd preset value
Time, determine that described second community is abnormal cell, and described second merging signal is merged signal as target.
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| CN110278018B (en) * | 2018-03-13 | 2022-06-10 | 北京小米松果电子有限公司 | Maximum ratio combining detection method and device, storage medium and electronic equipment |
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