CN106899374A - A kind of screen method and device of Long Term Evolution LTE communication system - Google Patents
A kind of screen method and device of Long Term Evolution LTE communication system Download PDFInfo
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- CN106899374A CN106899374A CN201710067941.0A CN201710067941A CN106899374A CN 106899374 A CN106899374 A CN 106899374A CN 201710067941 A CN201710067941 A CN 201710067941A CN 106899374 A CN106899374 A CN 106899374A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/43—Jamming having variable characteristics characterized by the control of the jamming power, signal-to-noise ratio or geographic coverage area
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/27—Control channels or signalling for resource management between access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present embodiments relate to the communications field, more particularly to a kind of screen method and device of Long Term Evolution LTE communication system, the time slot taken for the control channel to descending sub frame or Traffic Channel is disturbed.In the embodiment of the present invention, the configuration information for obtaining cell to be shielded is intercepted by eating dishes without rice or wine, configuration information includes subdistrict frequency point, frame timing and slot timing；According to frame timing and slot timing, the time-frequency location to be shielded of cell to be shielded is determined, time-frequency location to be shielded is the time slot that the time slot that control channel takes or Traffic Channel take；According to subdistrict frequency point, co-channel interference signal is generated；By co-channel interference signal loading to time-frequency location to be shielded, so that shielding harness loads interference signal in the time slot that the control channel or Traffic Channel of descending sub frame take.
Description
Technical field
The present embodiments relate to the communications field, more particularly to a kind of screen method of Long Term Evolution LTE communication system and
Device.
Background technology
With the development of science and technology, the terminal such as mobile phone turns into the indispensable important work of institute in people's work and daily life
Tool, band gives people great convenience.At the same time, the terminal such as mobile phone also generates some very important potential safety hazards, such as,
Under some special occasions, as being to be not intended to mobile phone etc. in the occasion of concerning security matters meeting room, examination hall, national defence intelligence department etc.
What terminal was communicated, that is, need to shield the signal of communication of the terminals such as mobile phone, the terminal such as cut-out base station and mobile phone
Between contact so that any means of communication and receiving device in special occasions cannot all be communicated.
In the prior art, have by way of the Communications service for cutting off shielding area, also have and send dry using shielding device
The mode of signal is disturbed to be shielded.Cut-out Communications service typically cost is higher, and cost is than larger；Send the mode of interference signal
Relatively preferably, the network signal of special frequency channel but is typically disturbed, user cannot receive signal and can not breathe out signal, and exist
The excessive problem of power consumption.
In sum, the screen method for using in the prior art has that relatively costly, cost is excessive, power consumption is excessive asks
Topic, it is, therefore, desirable to provide a kind of effective screen method, can reach the purpose of shielding can reach saving energy consumption, reduce generation again
The purpose of valency.
The content of the invention
A kind of screen method and device of Long Term Evolution LTE communication system are the embodiment of the invention provides, is used to solve now
The problem relatively costly with the presence of the screen method in technology, cost is excessive, power consumption is excessive.
The embodiment of the present invention provides a kind of screen method of Long Term Evolution LTE communication system, including：
Intercept the configuration information for obtaining cell to be shielded by eating dishes without rice or wine, configuration information include subdistrict frequency point, frame timing and
Slot timing；
According to frame timing and slot timing, the time-frequency location to be shielded of cell to be shielded is determined, time-frequency location to be shielded is
The time slot that the time slot or Traffic Channel that control channel takes take；
According to subdistrict frequency point, co-channel interference signal is generated；
By co-channel interference signal loading to time-frequency location to be shielded.
Alternatively, time-frequency location to be shielded is the time slot that control channel takes, including：
Time-frequency location to be shielded is the character position that physical downlink control channel PDCCH takes；
By co-channel interference signal loading to time-frequency location to be shielded, including：
The character position that co-channel interference signal loading to physical downlink control channel PDCCH is taken.
Alternatively, time-frequency location to be shielded is the time slot that control channel takes, including：
Time-frequency location to be shielded is the character position that Physical Control Format Indicator Channel PCFICH takes；
By co-channel interference signal loading to time-frequency location to be shielded, including：
The character position that co-channel interference signal loading to Physical Control Format Indicator Channel PCFICH is taken.
Alternatively, time-frequency location to be shielded is the time slot that Traffic Channel takes, including：
Time-frequency location to be shielded is the character position that Physical Downlink Shared Channel PDSCH takes；
By co-channel interference signal loading to time-frequency location to be shielded, including：
The character position that co-channel interference signal loading to Physical Downlink Shared Channel PDSCH is taken.
Alternatively, before by co-channel interference signal loading to time-frequency location to be shielded, also include：
Determine the area size of cell to be shielded；
According to the area size of cell to be shielded, power adjusting is carried out to co-channel interference signal；
By the co-channel interference signal loading after regulation to time-frequency location to be shielded.
The embodiment of the present invention also provides a kind of screening arrangement of Long Term Evolution LTE communication system, including：
Obtaining unit：The configuration information of cell to be shielded is obtained for being intercepted by eating dishes without rice or wine, configuration information includes cell
Frequency, frame timing and slot timing；
Determining unit：For according to frame timing and the slot timing, determining the time-frequency location to be shielded of cell to be shielded,
Time-frequency location to be shielded is the time slot that the time slot that control channel takes or Traffic Channel take；
Generation unit：For according to subdistrict frequency point, generating co-channel interference signal；
Loading unit：For by co-channel interference signal loading to time-frequency location to be shielded.
Optionally it is determined that unit specifically for：
Determine the character position that time-frequency location to be shielded takes for physical downlink control channel PDCCH；
Loading unit specifically for：
The character position that co-channel interference signal loading to physical downlink control channel PDCCH is taken.
Optionally it is determined that unit is additionally operable to：
Determine the character position that time-frequency location to be shielded takes for Physical Control Format Indicator Channel PCFICH；
Loading unit is additionally operable to：
The character position that co-channel interference signal loading to Physical Control Format Indicator Channel PCFICH is taken.
Optionally it is determined that unit is additionally operable to：
Determine the character position that time-frequency location to be shielded takes for Physical Downlink Shared Channel PDSCH；
Loading unit is additionally operable to：
The character position that co-channel interference signal loading to Physical Downlink Shared Channel PDSCH is taken.
Alternatively, loading unit is additionally operable to：
Determine the area size of cell to be shielded；
According to the area size of cell to be shielded, power adjusting is carried out to co-channel interference signal；
By the co-channel interference signal loading after regulation to time-frequency location to be shielded.
A kind of screen method and device of Long Term Evolution LTE communication system are provided in the embodiment of the present invention, by eating dishes without rice or wine
The configuration information for obtaining cell to be shielded is intercepted, configuration information includes subdistrict frequency point, frame timing and slot timing；It is fixed according to frame
When and slot timing, determine the time-frequency location to be shielded of cell to be shielded, time-frequency location to be shielded be control channel take when
The time slot that gap or Traffic Channel take；According to subdistrict frequency point, co-channel interference signal is generated；By co-channel interference signal loading to waiting to shield
Cover time-frequency location.The frequency for obtaining cell to be shielded, frame timing and slot timing are intercepted in the embodiment of the present invention by eating dishes without rice or wine to believe
Breath；According to frame timing and slot timing, the time-frequency location to be shielded of cell to be shielded is determined；According to subdistrict frequency point, generation is with frequency
Interference signal；By co-channel interference signal loading to time-frequency location to be shielded, that is, only by co-channel interference signal loading to treating
Shield the time slot that the control channel of cell takes or the time slot that Traffic Channel takes, rather than by co-channel interference signal loading to treating
In the whole time slot of the descending sub frame for shielding cell, the cost brought this avoid screen method in the prior art is big, energy consumption
Big problem, therefore, the present invention using the time slot for taking the control channel of co-channel interference signal loading to cell to be shielded or
The method of the time slot that Traffic Channel takes, not only effectively serves the effect for shielding cell to be shielded, and side of the invention
Method saves the energy, greatly reduces cost.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly introduced.
Fig. 1 is that the embodiment of the invention provides a kind of frame structure schematic diagram of Long Term Evolution LTE communication system；
Fig. 2 is that the embodiment of the invention provides a kind of screen method schematic flow sheet of Long Term Evolution LTE communication system；
Fig. 3 is that the embodiment of the invention provides a kind of structure of time slot schematic diagram of Long Term Evolution LTE communication system；
Fig. 4 is a kind of screening arrangement structural representation of Long Term Evolution LTE communication system provided in an embodiment of the present invention.
Specific embodiment
In order that the purpose of the present invention, technical scheme and beneficial effect become more apparent, below in conjunction with accompanying drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
It should be understood that the technical scheme of the embodiment of the present invention both can apply to TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex-Long Term Evolution) communication system can also be applied to FDD-LTE
(Frequency Division Duplexing-Long Term Evolution, FDD-Long Term Evolution) communication system
Signal shielding.
In order to be better understood from this programme, the frame knot of the LTE communication system closely related with the present invention is introduced first
Structure, Fig. 1 illustrates a kind of frame structure schematic diagram of TDD-LTE communication systems provided in an embodiment of the present invention, such as Fig. 1 institutes
Show, in Fig. 1, each wireless frame length 10ms of TDD-LTE communication systems, each radio frames are divided into two fields of 5ms, each
Field includes 5 subframes of 1ms, and each subframe includes two time slots again, and the length of each time slot is 0.5ms, wherein the 1st frame is
Subframe #0 is fixed descending sub frame；2nd frame, the 7th frame are special subframe, including DwPTS (Downlink Pilot Time
Slot, descending pilot frequency time slot), GP (Gap Protect, protection interval), UpPTS (Uplink Pilot Time Slot, it is up
Pilot time slot)；3rd frame is that subframe #2 is fixed sub-frame of uplink, similar, and in Fig. 1, subframe #3, subframe #5, subframe #8 are solid
Fixed descending sub frame, subframe #4, subframe #7, subframe #9 are fixed sub-frame of uplink.By flexible configuration ascending-descending subframes number,
TDD-LTE communication systems is applied to up-downgoing symmetrically and non-symmetrical service pattern, separated by transfer point between upper and lower subframe.
Fig. 2 illustrates a kind of screen method stream of Long Term Evolution LTE communication system provided in an embodiment of the present invention
Journey schematic diagram, as shown in Fig. 2 comprising the following steps：
Step S101：Intercept the configuration information for obtaining cell to be shielded by eating dishes without rice or wine, configuration information include subdistrict frequency point,
Frame timing and slot timing；
Step S102：According to frame timing and slot timing, the time-frequency location to be shielded of cell to be shielded is determined, when to be shielded
Frequency position is the time slot that the time slot that control channel takes or Traffic Channel take；
Step S103：According to subdistrict frequency point, co-channel interference signal is generated；
Step S104：By co-channel interference signal loading to time-frequency location to be shielded.
In step S101, the configuration information for obtaining cell to be shielded is intercepted by eating dishes without rice or wine, configuration information includes cell frequently
Point, frame timing and slot timing, specifically, the cell that full frequency band is intercepted by eating dishes without rice or wine is scanned for, more specifically, Ke Yishi
Intercepted by eating dishes without rice or wine and the carrier wave of whole channel primary scanned for, obtain the configuration information of cell to be shielded, here with confidence
Breath not only includes subdistrict frequency point, frame timing and slot timing information, can also include cell ID (Identifier, identification
Code), aerial information, CP (Cyclic Prefix, Cyclic Prefix) information, up-downgoing switching point information etc..Wherein, the side intercepted
Formula is not limited to eat dishes without rice or wine to intercept, and can also intercept mode using other, as long as LTE communication system can be obtained in shield ranges
The configuration information of cell, wherein, shield ranges refer to signal shielding system and can realize the coverage of signal shielding.
In specific implementation, eat dishes without rice or wine to intercept that whole channel primary that may be present is scanned for, and carried out with the cell to be shielded for searching
Down-going synchronous, the configuration information of the cell to be shielded that acquisition is searched.Wherein, for the various operators under LTE communication system,
Such as UNICOM, movement etc., are have different band limits.It is fixed by intercepting the frequency of the cell to be shielded of acquisition, ID, frame
When, the information such as slot timing, up-downgoing switching point, it is possible to it is determined that the period for below being launched co-channel interference signal.
So that it is determined that co-channel interference signal to be transmitted into shielding harness the emission period of cell to be shielded.
In step S102, according to frame timing and slot timing, the time-frequency location to be shielded of cell to be shielded is determined, it is to be shielded
Time-frequency location is the time slot that the time slot that control channel takes or Traffic Channel take, and specifically, is determined according to the frame for intercepting acquisition
When and slot timing information, it may be determined that the down time-frequency position to be shielded of cell to be shielded, wherein, time-frequency location to be shielded is
The time slot that the time slot or Traffic Channel that control channel takes take.Frame timing and time slot according to the cell to be shielded for searching are determined
When information, it is possible to the down time-frequency position to be shielded of cell clearly to be shielded so that shielding harness can according to determine treating
Shield the down time-frequency position to be shielded of cell and targetedly launch co-channel interference signal, it is possible to increase efficiency, saving money
Source.
In step S103, according to subdistrict frequency point, co-channel interference signal is generated, in specific implementation, such as LTE communication system
CHINAUNICOM under system, the frequency of CHINAUNICOM is 96~124MHz, mobile public for the commmunication company under LTE communication system
The frequency of department is 0~94MHz, according to the frequency of the cell for searching, can generate co-channel interference signal.Wherein, co-channel interference
Signal can be briefly the interference between the channel of same frequency range, and in particular co-channel interference signal is garbage signal
Carrier frequency it is identical with the carrier frequency of useful signal, and the interference that receiver to receiving same frequency useful signal is caused.
In step S104, by co-channel interference signal loading to time-frequency location to be shielded.Specifically, the same frequency for generating is done
Signal loading to the time-frequency location of the time slot of cell to be shielded is disturbed, more specifically, by co-channel interference signal loading to be shielded small
The time slot that the time slot or Traffic Channel that the control channel in area takes take.In specific implementation, the co-channel interference signal of loading can
To be the arbitrary signal with cell downlink channel onrelevant to be shielded, such as can be random noise, or PN (Pseudo
Noise, pseudo noise) code etc..After by co-channel interference signal loading to the time-frequency location of the descending time slot of cell to be shielded,
Then by time domain launch arbitrarily with the signal of down channel onrelevant, cause co-channel interference so that in cell to be shielded
Terminal cannot demodulate parsing by shielded signal, so as to reach the mesh of the signal of communication of each terminal in shielding cell to be shielded
's.
Can be by the time-frequency location to be shielded of co-channel interference signal loading to cell to be shielded in technical solution of the present invention
The time slot that the time slot, or descending time slot Traffic Channel that descending time slot control channel takes take：
When the time-frequency location to be shielded that co-channel interference signal loading is arrived is the time slot that descending time slot control channel takes,
Can be loaded in any one mode of following two ways：
Mode 1：Alternatively, time-frequency location to be shielded is the time slot that control channel takes, including：Time-frequency location to be shielded is
The character position that physical downlink control channel PDCCH takes；
More specifically, by co-channel interference signal loading to time-frequency location to be shielded, including：By co-channel interference signal loading extremely
The character position that physical downlink control channel PDCCH takes.
Mode 2：Alternatively, time-frequency location to be shielded is the time slot that control channel takes, including：Time-frequency location to be shielded is
The character position that Physical Control Format Indicator Channel PCFICH takes；
More specifically, by co-channel interference signal loading to time-frequency location to be shielded, including：By co-channel interference signal loading extremely
The character position that Physical Control Format Indicator Channel PCFICH takes.
When the time-frequency location to be shielded that co-channel interference signal loading is arrived is the time slot that descending time slot Traffic Channel takes,
Can be loaded in following this mode：
Alternatively, time-frequency location to be shielded is the time slot that Traffic Channel takes, including：Time-frequency location to be shielded is under physics
The character position that row shared channel PDSCH takes；
More specifically, by co-channel interference signal loading to time-frequency location to be shielded, including：By co-channel interference signal loading extremely
The character position that Physical Downlink Shared Channel PDSCH takes.
In above-described embodiment, co-channel interference signal loading can be accounted for the control channel of the descending time slot of cell to be shielded
Any one of time slot that time slot and Traffic Channel take, and under having physics again due to the control channel of descending time slot
The character position that the character position and Physical Control Format Indicator Channel PCFICH that row control channel PDCCH takes take, therefore,
It is any in the time slot that two kinds of control channels of co-channel interference signal loading to cell downlink time slot to be shielded can also be taken
It is a kind of.Wherein, in order to better illustrate this method, Fig. 3 is schematically illustrated there is provided descending time slot structural representation, is such as schemed
Shown in 3, in figure 3, PCFICH takes first character position of descending time slot, and PDCCH takes first three symbol of descending time slot
Number position, PDSCH takes the 4th to the 14th character position of descending time slot, and l represents symbol, and l=0 represents descending time slot
First symbol, below by that analogy.In specific implementation, co-channel interference signal can be loaded in time domain can also be in frequency domain
Loading, if in time domain loading, three character positions of PDCCH channel occupancies that can be in LTE communication system descending sub frame
Loading, can also be in the first of PCFICH channel occupancies character position loading；If in frequency domain loading, can believe in PDCCH
The Whole frequency band loading in road, can also in the loading of the first of PCFICH channel occupancies character position full frequency band, wherein, when
When first character position full frequency band of PCFICH channel occupancies is loaded, can more specifically be carried in the frequency domain of PCFICH channels
Ripple position loads.Sum it up, above-mentioned is to be loaded into the symbol that the control channel of descending time slot takes by co-channel interference signal
Position, or the character position that the Traffic Channel of co-channel interference signal loading to descending time slot takes is waited to shield to reach to shield
The signal of communication of cell is covered, and need not be as the whole time slot position of descending sub frame in cell to be shielded of deshielding in the prior art
Put, so using the method for the present invention to the control channel of descending sub frame or the character position loading interference letter of Traffic Channel
Number, the purpose of the signal for shielding cell to be shielded can not only be reached, more save power consumption resource.
Alternatively, before by co-channel interference signal loading to time-frequency location to be shielded, also include：Determine cell to be shielded
Area size；According to the area size of cell to be shielded, power adjusting is carried out to co-channel interference signal；Same frequency after by regulation is done
Disturb signal loading to time-frequency location to be shielded.In specific implementation, by co-channel interference signal loading to time-frequency location to be shielded it
Before, by examining on the spot and test, and configurable mode can be parameterized by system power co-channel interference signal is carried out
Power adjusting, including power enhancing and reduction, the co-channel interference signal loading after power will be adjusted to time-frequency location to be shielded.
Such as, a space is shielded than the signal in larger whole room, because room space is than larger, and the same frequency for loading
Interference signal does not override whole room all, therefore can there is shielding blind area；For another example, due to co-channel interference signal
Coverage exceeded needs shielding shield ranges, such case occurs is shielded the signal in part unmasked region
Cover.Therefore, by before the time-frequency location of co-channel interference signal loading to time slot to be shielded, it is necessary to according to the region of cell to be shielded
Size adjusts the power of co-channel interference signal, reaching the signal of communication of more efficiently shielding cell to be shielded.According to treating
The size for shielding cell range carrys out the size that self-adaptative adjustment needs the co-channel interference signal of loading, can so avoid shielding blind
Area and the adverse effect produced to the public domain covering of unmasked.
Based on same idea, a kind of screening arrangement of Long Term Evolution LTE communication system provided in an embodiment of the present invention is such as schemed
Shown in 4, the device includes obtaining unit 201, determining unit 202, generation unit 203 and loading unit 204.Wherein：
Obtaining unit 201：The configuration information of cell to be shielded is obtained for being intercepted by eating dishes without rice or wine, configuration information includes small
Area's frequency, frame timing and slot timing；
Determining unit 202：For according to frame timing and the slot timing, determining the time-frequency to be shielded position of cell to be shielded
Put, time-frequency location to be shielded is the time slot that the time slot that control channel takes or Traffic Channel take；
Generation unit 203：For according to subdistrict frequency point, generating co-channel interference signal；
Loading unit 204：For by co-channel interference signal loading to time-frequency location to be shielded.
Optionally it is determined that unit 202 specifically for：
Determine the character position that time-frequency location to be shielded takes for physical downlink control channel PDCCH；
Loading unit 204 specifically for：
The character position that co-channel interference signal loading to physical downlink control channel PDCCH is taken.
Optionally it is determined that unit 202 is additionally operable to：
Determine the character position that time-frequency location to be shielded takes for Physical Control Format Indicator Channel PCFICH；
Loading unit 204 is additionally operable to：
The character position that co-channel interference signal loading to Physical Control Format Indicator Channel PCFICH is taken.
Optionally it is determined that unit 202 is additionally operable to：
Determine the character position that time-frequency location to be shielded takes for Physical Downlink Shared Channel PDSCH；
Loading unit 204 is additionally operable to：
The character position that co-channel interference signal loading to Physical Downlink Shared Channel PDSCH is taken.
Alternatively, loading unit 204 is additionally operable to：
Determine the area size of cell to be shielded；
According to the area size of cell to be shielded, power adjusting is carried out to co-channel interference signal；
By the co-channel interference signal loading after regulation to time-frequency location to be shielded.
Can be seen that from the discussion above：A kind of screening arrangement of Long Term Evolution LTE communication system is provided in the embodiment of the present invention,
The configuration information for obtaining cell to be shielded is intercepted by eating dishes without rice or wine, configuration information includes subdistrict frequency point, frame timing and slot timing；
According to frame timing and slot timing, the time-frequency location to be shielded of cell to be shielded is determined, time-frequency location to be shielded is control channel
The time slot that the time slot or Traffic Channel of occupancy take；According to subdistrict frequency point, co-channel interference signal is generated；Co-channel interference signal is added
It is loaded onto time-frequency location to be shielded.It is timely by eating dishes without rice or wine to intercept the frequency for obtaining cell to be shielded, frame timing in the embodiment of the present invention
Gap timing information；According to frame timing and slot timing, the time-frequency location to be shielded of cell to be shielded is determined；According to subdistrict frequency point,
Generation co-channel interference signal；By co-channel interference signal loading to time-frequency location to be shielded, that is, only by co-channel interference signal
The time slot that the control channel of cell to be shielded takes or the time slot that Traffic Channel takes are loaded onto, rather than by co-channel interference signal
It is loaded onto in the whole time slot of the descending sub frame of cell to be shielded, this avoid the cost that screen method in the prior art brings
Greatly, the big problem of energy consumption, therefore, the present invention uses take the control channel of co-channel interference signal loading to cell to be shielded
The method of the time slot that time slot or Traffic Channel take, not only effectively serves the effect for shielding cell to be shielded, and this hair
Bright method saves the energy, greatly reduces cost.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method or computer program product.
Therefore, the present invention can be using the embodiment in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Form.And, the present invention can be used to be can use in one or more computers for wherein including computer usable program code and deposited
The shape of the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that every first-class during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in journey and/or square frame and flow chart and/or block diagram.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of being specified in present one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that instruction of the storage in the computer-readable memory is produced and include finger
Make the manufacture of device, the command device realize in one flow of flow chart or multiple one square frame of flow and/or block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of screen method of Long Term Evolution LTE communication system, it is characterised in that including：
Intercept the configuration information for obtaining cell to be shielded by eating dishes without rice or wine, the configuration information include subdistrict frequency point, frame timing and
Slot timing；
According to the frame timing and the slot timing, the time-frequency location to be shielded of the cell to be shielded is determined, it is described to wait to shield
Cover the time slot that time-frequency location takes for the time slot or Traffic Channel of control channel occupancy；
According to the subdistrict frequency point, co-channel interference signal is generated；
By the co-channel interference signal loading to the time-frequency location to be shielded.
2. the method for claim 1, it is characterised in that the time-frequency location to be shielded be control channel take when
Gap, including：
The time-frequency location to be shielded is the character position that physical downlink control channel PDCCH takes；
By the co-channel interference signal loading to the time-frequency location to be shielded, including：
The character position that the co-channel interference signal loading is taken to the physical downlink control channel PDCCH.
3. the method for claim 1, it is characterised in that the time-frequency location to be shielded be control channel take when
Gap, including：
The time-frequency location to be shielded is the character position that Physical Control Format Indicator Channel PCFICH takes；
By the co-channel interference signal loading to the time-frequency location to be shielded, including：
The character position that the co-channel interference signal loading is taken to the Physical Control Format Indicator Channel PCFICH.
4. the method for claim 1, it is characterised in that the time-frequency location to be shielded be Traffic Channel take when
Gap, including：
The time-frequency location to be shielded is the character position that Physical Downlink Shared Channel PDSCH takes；
By the co-channel interference signal loading to the time-frequency location to be shielded, including：
The character position that the co-channel interference signal loading is taken to the Physical Downlink Shared Channel PDSCH.
5. the method as described in any one of Claims 1-4, it is characterised in that by the co-channel interference signal loading to described
Before time-frequency location to be shielded, also include：
Determine the area size of the cell to be shielded；
According to the area size of the cell to be shielded, power adjusting is carried out to the co-channel interference signal；
The co-channel interference signal loading after by regulation is to the time-frequency location to be shielded.
6. a kind of screening arrangement of Long Term Evolution LTE communication system, it is characterised in that including：
Obtaining unit, the configuration information of cell to be shielded is obtained for being intercepted by eating dishes without rice or wine, and the configuration information includes cell
Frequency, frame timing and slot timing；
Determining unit, for according to the frame timing and the slot timing, determining the time-frequency to be shielded of the cell to be shielded
Position, the time-frequency location to be shielded is the time slot that the time slot that control channel takes or Traffic Channel take；
Generation unit, for according to the subdistrict frequency point, generating co-channel interference signal；
Loading unit, for by the co-channel interference signal loading to the time-frequency location to be shielded.
7. device as claimed in claim 6, it is characterised in that
The determining unit, specifically for determining that the time-frequency location to be shielded is physical downlink control channel PDCCH occupancy
Character position；
The loading unit, specifically for the co-channel interference signal loading to the physical downlink control channel PDCCH is accounted for
Character position.
8. device as claimed in claim 6, it is characterised in that
The determining unit, specifically for determining the time-frequency location to be shielded for Physical Control Format Indicator Channel PCFICH is accounted for
Character position；
The loading unit, specifically for by the co-channel interference signal loading to the Physical Control Format Indicator Channel
The character position that PCFICH takes.
9. device as claimed in claim 6, it is characterised in that
The determining unit, specifically for determining that the time-frequency location to be shielded is Physical Downlink Shared Channel PDSCH occupancy
Character position；
The loading unit, specifically for the co-channel interference signal loading to the Physical Downlink Shared Channel PDSCH is accounted for
Character position.
10. the device as described in any one of claim 6 to 9, it is characterised in that
The loading unit, is additionally operable to determine the area size of the cell to be shielded；
According to the area size of the cell to be shielded, power adjusting is carried out to the co-channel interference signal；
The co-channel interference signal loading after by regulation is to the time-frequency location to be shielded.
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| CN201710067941.0A CN106899374A (en) | 2017-02-07 | 2017-02-07 | A kind of screen method and device of Long Term Evolution LTE communication system |
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