CN102547734A - Interference avoiding method of LTE (long term evolution) system and base station of LTE system - Google Patents
Interference avoiding method of LTE (long term evolution) system and base station of LTE system Download PDFInfo
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Abstract
The invention discloses an interference avoiding method of an LTE (long term evolution) system and a base station of the LTE system, wherein the method comprises the following steps: the base station of the LTE system learns about that the frequency band of the LTE system and the frequency band of other mobile communication system have overlapped frequency band therebetween; the base station allocates the frequency band except the overlapped frequency band to the transmitted signaling and/or data. The method provided by the invention improves utilization efficiency of the frequency spectrum and avoids frequency spectrum waste.
Description
Technical field
The present invention relates to the communications field, in particular to the interference avoidance method and the base station of a kind of Long Term Evolution (Long Term Evolution abbreviates LTE as) system.
Background technology
Along with the continuous development of mobile communication technology, new communication standard also produces thereupon.Be the different demands that satisfy the user and the needs of the market operation, the form of multiple GSM coexistence occurred.Frequency is current GSM important resource, and for the better utilization frequency, new mobile communication standard can be utilized a plurality of scattered frequency bands.Therefore, mobile network's frequency domain that the same area different systems inevitably appears in the current wireless resource management is overlapped, and this antijamming capability to GSM has proposed new challenge and demand.Interference coordination when existing Inter-Cell Interference Coordination (Inter Cell Interference Coordination abbreviates ICIC as) can only carry out identical networking in the LTE system preferably.Under some scene, under the situation that LTE and different system cover together and frequency band is overlapped, interfering with each other of LTE system and other GSMs is problem demanding prompt solution.
For FDD (Frequency Division Duplex; Abbreviate FDD as) LTE; Be divided into the mutual interference of upstream band and downstream bands from the influence to the uplink and downlink physical channel, Fig. 1 and Fig. 3 belong to up mutual interference, and Fig. 2 and Fig. 4 belong to descending mutual interference.The position that occurs according to the mutual interference frequency range disturbs that can be divided into marginal mode overlapping overlapping with plug-in type, and it is overlapping that Fig. 1 and Fig. 2 belong to marginal mode, and it is overlapping that Fig. 3 and Fig. 4 belong to plug-in type.
Up marginal mode is overlapping: different system is from low frequency end or front end and LTE system uplink band overlapping.General different system bandwidth is 1～5MHz; With LTE ascending physical signal ascending control channel (Physical Uplink Control Channel; PUCCH) frequency domain is overlapping; To the PUCCH serious interference, certainly will influence and measure and receive to reply/do not receive and reply reporting of information such as (Acknowledge/Non-acknowledge abbreviate ACK/NACK as).
Descending marginal mode is overlapping: different system is from low frequency end or front end and LTE system descending band overlapping.General different system bandwidth is 1～5MHz; Structure according to descending each physical channel; Overlapped frequency bands is to Physical Downlink Control Channel (Physical Downlink Control Channel abbreviates PDCCH as) and Physical Downlink Shared Channel (Physical Downlink Shared Channel abbreviates PDSCH as) serious interference; This certainly will influence control information and reliability of data transmission; Cause the automatic repeat requests of a large amount of mixing (Hybrid Automatic Repetition Request abbreviates HARQ as), even call drop, handoff failure etc.
Up plug-in type is overlapping: different system bandwidth appears at the centre of upstream band, and different band system band can be used as overlapped frequency bands.The data that PUSCH transmits on overlapped frequency bands receive serious disturbance, cause a large amount of HARQ.
Descending plug-in type is overlapping: different system bandwidth appears at the centre of downstream bands, and different band system band can be used as overlapped frequency bands.Control information that PDCCH and PDSCH transmit on overlapped frequency bands respectively and data receive serious disturbance too.
The position of the degree that LTE and different system interfere with each other and the width of overlapped frequency bands and overlapped frequency bands is relevant, possibly cause the paralysis of network when serious.Therefore, need in the LTE of correlation technique system, introduce a kind of interference avoidance mechanism.
Summary of the invention
Main purpose of the present invention is to provide the interference avoidance scheme of a kind of LTE system, to address the above problem at least.
According to an aspect of the present invention, the interference avoidance method of a kind of LTE system is provided, comprising: the base station of LTE system knows that there are overlapped frequency bands in the frequency range of LTE system and other GSMs; The base station is the signaling of its transmission and/or the frequency band outside the data allocations overlapped frequency bands.
According to a further aspect in the invention; A kind of base station is provided, and this base station is arranged in the LTE system, comprising: distribution module; Be used for when there are overlapped frequency bands in the frequency range of LTE system and other GSMs, being the signaling of base station transmits and/or the frequency band outside the data allocations overlapped frequency bands.
Through the present invention; Adopt the mode of distributing the frequency band beyond the overlapped frequency bands, can dodging out with frequency band in the middle of the scattered idle frequence resource be integrated into the big broadband that the LTE system supports; Thereby improved spectrum utilization efficiency; Avoided frequency spectrum waste, simultaneously, also avoided influence existing network.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the overlapping sketch map of ascending edge formula according to correlation technique;
Fig. 2 is the overlapping sketch map of descending marginal mode according to correlation technique;
Fig. 3 is the overlapping sketch map of up plug-in type according to correlation technique;
Fig. 4 is the overlapping sketch map of descending plug-in type according to correlation technique;
Fig. 5 is the flow chart according to the interference avoidance method of the LTE system of the embodiment of the invention;
Fig. 6 is the sketch map according to the enforcement scene of the embodiment of the invention;
Fig. 7 is the flow chart according to the interference avoidance method of the LTE system of the embodiment of the invention three;
Fig. 8 is the flow chart according to the descending interference avoidance method of the embodiment of the invention three;
Fig. 9 is the structured flowchart according to the base station of the embodiment of the invention.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Embodiment one
The embodiment of the invention provides the interference avoidance method of a kind of LTE system.Fig. 5 is the flow chart according to the interference avoidance method of the LTE system of the embodiment of the invention, and is as shown in Figure 5, and this method comprises:
Step S502, the base station of LTE system knows that there are overlapped frequency bands in the frequency range of LTE system and other GSMs;
Step S504, the base station is the signaling of its transmission and/or the frequency band outside the data allocations overlapped frequency bands.
In the present embodiment, the base station is the signaling of its transmission and/or the frequency band outside the data allocations overlapped frequency bands, thereby has avoided interfering with each other of LTE system and other system.Wherein, the base station of LTE system can be known the position of overlapped frequency bands this moment through the O&M system in the overlapped frequency bands of background server configuration.
In a preferred embodiment of the embodiment of the invention, step S502 can comprise: confirm that there are overlapped frequency bands in LTE system and other GSMs at up direction or down direction, and definite overlapped frequency bands is that marginal mode is overlapping; Step S504 can comprise: the frequency band of up direction or down direction arrives the next agreement frequency band of overlapped frequency bands in the contraction LTE system of base station, and is the signaling and/or the next agreement frequency band of data allocations of base station transmits.
In another preferred embodiment of the embodiment of the invention, step S502 can comprise: confirm that the frequency range of LTE system and other GSMs exist overlapped frequency bands to comprise: and definite overlapped frequency bands is that plug-in type is overlapping; Step S504 can comprise: the base station is that the signaling of its transmission and/or the frequency band outside the data allocations overlapped frequency bands comprise: the base stations control scheduler is the Physical Resource Block beyond signaling and/or the data allocations overlapped frequency bands.
Preferably; The base stations control scheduler is that the Physical Resource Block beyond signaling and/or the data allocations overlapped frequency bands comprises: when the data of the DCCH of dispatched users or Dedicated Traffic Channel, the base station confirms that control channel unit that scheduler can distribute is not within overlapped frequency bands; The base stations control scheduler is control channel unit and the Physical Resource Block beyond signaling and/or the data allocations overlapped frequency bands.Wherein, the control channel unit comprise following one of at least: the scheduling control information of up direction, the scheduling control information of down direction.This shows,, can adopt the mode of present embodiment to carry out interference avoidance no matter be that the plug-in type of up direction is overlapping or the plug-in type of down direction is overlapping.
In another preferred embodiment of the embodiment of the invention, step S502 can comprise: the base station confirms that there are overlapped frequency bands in LTE system and other GSMs at down direction, and definite overlapped frequency bands is that plug-in type is overlapping; Step S504 can comprise: the base stations control downlink scheduler is control channel unit and the Physical Resource Block beyond signaling and/or the data allocations overlapped frequency bands.
Wherein, in descending plug-in type is overlapping, the base stations control downlink scheduler be control channel unit and the Physical Resource Block beyond signaling and/or the data allocations overlapped frequency bands one of can be in the following manner realization:
Mode one
The base station confirms that the common search space of the physical downlink control channel PDCCH under the current LTE system bandwidth is outside overlapped frequency bands; When current subframe had public control signaling to dispatch, the base stations control downlink scheduler distributed the control channel unit in the common search space; The base stations control downlink scheduler distributes the Physical Resource Block beyond the overlapped frequency bands.
Mode two
The base station confirms that the common search space of the PDCCH under the current LTE system bandwidth is within overlapped frequency bands; When current subframe had public control signaling to dispatch, the base stations control downlink scheduler was 8 to distribute the control channel unit with lowest bit rate in the common search space according to aggregation levels; The base stations control downlink scheduler distributes the Physical Resource Block beyond the overlapped frequency bands.
Embodiment two
Present embodiment provide a kind of in the LTE system based on different system with covering and frequency domain has the network mutual interference solution of networking when overlapping, and from up, descending, the different angle in the position of overlapped frequency bands provides the flow process of interference avoidance respectively.Reduced the mutual interference of LTE system and different system; Remove the website that causes because of mutual interference from and move the networking cost that brings, that is, and through control up-downgoing scheduling; Overlapped frequency bands width and position based on the backstage configuration; In real time the up-downgoing scheduler is retrained, avoid information to go up transmission at the Physical Resource Block (Physical Resource Block abbreviates PRB as) of overlapped frequency bands position.Present embodiment is used for a kind of interference avoidance method of coexisting between LTE and LTE-ADVANCED system and other the existing wireless communication systems.In order better to improve the structure that frequency utilization efficient does not influence different grid simultaneously as far as possible, present embodiment avoids the LTE system on overlapped frequency bands, to carry effective information as far as possible.Interference avoidance mechanism when present embodiment mainly realizes that through following several parts there are overlapped frequency bands in LTE and different system.
The ascending edge formula is overlapping
Carry out suitable upstream band and shrink, make up new frequency and the next agreement bandwidth of being operated in of LTE, directly avoid the frequency band conflict.
Up plug-in type is overlapping
Need not carry out frequency band and shrink, directly control the uplink scheduling device and distribute PRB beyond the overlapped frequency bands, the frequency resource loss of avoiding the frequency band contraction to cause.
Descending marginal mode is overlapping
Method is overlapping consistent with the ascending edge formula.
Descending plug-in type is overlapping
Need not carry out frequency band and shrink, directly control downlink scheduler distribute control channel unit beyond the overlapping frequency (Control Channel Element, CCE) and PRB, the frequency resource loss of having avoided frequency band to shrink possibly causing.According to PDCCH in the agreement distributes CCE in subscriber equipment (User Equipment abbreviates UE as) search volume position randomness,, then do not dispatch if CCE appears at overlapped frequency bands.
Because the width of overlapped frequency bands is different with the position, the method for present embodiment to dodge effect also different.Overlapping for the overlapping and descending marginal mode of ascending edge formula, dodge back LTE and different system and on frequency domain, stagger fully, thoroughly eliminate the mutual interference on the frequency domain.Overlapping for the overlapping and descending plug-in type of up plug-in type, effect is remarkable, can reduce the mutual interference on the overlapped frequency bands.Through present embodiment, can be integrated into the big broadband that the LTE system supports with dodging out with frequency band in the middle of the scattered idle frequence resource, improve spectrum utilization efficiency, avoid frequency spectrum waste, avoid influence simultaneously to existing network.
Embodiment three
Present embodiment is based on scene shown in Figure 6.Node B (Evolved Node B in the evolution of LTE macro base station; ENB) in the coverage, the network node of certain GSM is near eNB in addition, and the overlay area major part is identical; And two band system band have overlapping; At this moment, LTE UE must receive serious disturbance between two kinds of access net system nodes, will trigger like Fig. 7 and flow process shown in Figure 8.With reference to Fig. 7 and Fig. 8 the flow process shown in the present embodiment is elaborated below.
Step 701 is converted into PRB numbering corresponding under the current LTE cell system bandwidth with overlapped frequency bands;
Step 702 judges whether overlapped frequency bands appears at the LTE upstream band, if then carry out step 703, if not, then carry out step 708;
Step 703 judges whether the type of overlapped frequency bands is that plug-in type is overlapping, if, then carry out step 704, otherwise, carry out step 706;
Whether no longer step 704 judges Physical Random Access Channel (Physical Random Access Channel abbreviates PRACH as) within the overlapped frequency bands, if, then carry out step 705, otherwise, carry out step 707;
Step 705, judge this user current in the CCE of control channel resource whether in overlapped frequency bands, if this user current in the CCE of control channel resource not in overlapped frequency bands, then carry out step 712, otherwise, carry out step 711;
Step 706, the LTE system is punctured into next agreement frequency band with upstream band, and center frequency point is also corresponding simultaneously moves, and flow process finishes;
Step 707, the frequency domain position of revising PRACH carry out step 705 then to non-overlapped frequency range;
Step 708, judge whether into plug-in type overlapping? If, then carry out step 709, otherwise, carry out step 710;
Step 709 adopts the overlapping processing method of descending plug-in type, and idiographic flow is seen Fig. 8;
Step 710, the LTE system is punctured into next agreement frequency band with downstream bands, and center frequency point is also corresponding simultaneously moves, and flow process finishes;
Step 711, current subframe is not dispatched this user, and flow process finishes;
Step 712, the uplink scheduling device distributes this resource, and the PRB beyond the overlapped frequency bands, and flow process finishes.
The clear specifically overlapping processing method of descending plug-in type of Fig. 8, as shown in Figure 8, this method comprises:
Step 801 judges whether public control signalings such as scheduling broadcasting and paging, if, then carry out step 802, otherwise, carry out step 806;
Step 802 is judged under the current area bandwidth when PDCCH accounts for time domain symbolic number and is β, is used for the corresponding PRB position of the CCE in common search space whether not in overlapped frequency bands, if, then carry out step 803, otherwise, carry out step 805;
Step 803, the base station is at common search allocation of space CCE;
PRB beyond the step 804, base station assigns overlapped frequency bands;
Step 805 is 8 distribution CCE according to aggregation levels, adopts minimum code rate, then, carry out step 804;
Step 806 is judged the assignable CCE of the current subframe of UE position whether outside overlapped frequency bands, if, then carry out step 807, otherwise, carry out step 808;
Step 807 is distributed the CCE beyond the overlapped frequency bands, then, carry out step 804;
Step 808, current subframe is not dispatched this UE, and flow process finishes.
Need to prove that the main body of aforesaid operations can be the base station, when scheduling resource (CCE and PRB), can dispatch by base stations control uplink scheduling device or downlink scheduler.
The method of interference avoidance is carried out in explanation for different overlapped frequency bands types below.
1) confirms the position of overlapped frequency bands.
Confirm that at first overlapped frequency bands appears at the upstream or downstream of LTE system, and definite overlapped frequency bands is that marginal mode is overlapping or plug-in type is overlapping.
If marginal mode is overlapping, for up overlapping, then the LTE frequency band is retracted to next agreement frequency band, center frequency point also moves thereupon, for descending overlapping also be like this.Processing finishes.
If plug-in type is overlapping; Then under current LTE bandwidth of cell and frequency; Confirm that up or descending insertion is overlapping, simultaneously LTE and different band system band overlapping areas are mapped to the PRB frequency domain index of LTE system, and inform relevant scheduler to the PRB frequency domain index after the mapping.If up overlapping, then get into step 2), otherwise get into step 3).
2) up plug-in type is overlapping.
Check each cellular PRACH configuration frequency domain position of current LTE system whether outside overlapped frequency bands,, then, carry out following treatment step if in overlapped frequency bands then need readjust PRACH outside overlapped frequency bands:
Dispatch certain user's DCCH (Dedicated Control Channel; Abbreviate DCCH as) or Dedicated Traffic Channel (Dedicated Transaction Channel; Abbreviate DTCH as) data the time; The CCE (comprising up scheduling control information and descending scheduling control information) that scheduler can distribute for this UE is if in overlapped frequency bands, and then current subframe is not dispatched this user, and processing finishes.Otherwise, continuing beyond overlapped frequency bands, to distribute CCE and PRB, processing finishes.
3) descending plug-in type is overlapping
If the common search space of PDCCH is beyond overlapped frequency bands under the current LTE system bandwidth; In the frequency range A as shown in Figure 4; When having public control signalings such as broadcasting, paging to dispatch so in current subframe; Downlink scheduler distributes CCE in the common search space, distribute the PRB beyond the overlapped frequency bands then.
If the common search space segment of PDCCH is included in the overlapped frequency bands under the current LTE system bandwidth; When having public control signalings such as broadcasting, paging to dispatch so in current subframe; Downlink scheduler is 8 according to aggregation levels in the common search space; Adopt lowest bit rate to distribute CCE, distribute the PRB beyond the overlapped frequency bands then.
When the data of scheduling certain user DCCH or DTCH, if the CCE (comprising up scheduling control information and descending scheduling control information) that scheduler can distribute for this UE in overlapped frequency bands, then current subframe is not dispatched this user processing and is finished.Otherwise, continuing beyond overlapped frequency bands, to distribute CCE and PRB, processing finishes.
Embodiment four
The embodiment of the invention provides a kind of base station, and this base station is used to realize said method, and wherein, this base station is arranged in the LTE system.
Fig. 9 is the structured flowchart according to the base station of the embodiment of the invention; As shown in Figure 9; This base station comprises: distribution module 92 is used for when there are overlapped frequency bands in the frequency range of LTE system and other GSMs, being the signaling of base station transmits and/or the frequency band outside the data allocations overlapped frequency bands.Wherein, the base station generates corresponding PRB index according to the position of overlapped frequency bands after there are overlapped frequency bands in the frequency range of knowing the LTE system and other GSMs.
In a preferred implementation of the embodiment of the invention; Distribution module 92 is used for having overlapped frequency bands in LTE system and other GSMs at up direction or down direction; And overlapped frequency bands is that marginal mode is when overlapping; The frequency band of up direction or down direction arrives the next agreement frequency band of overlapped frequency bands in the contraction LTE system, and is the signaling and/or the next agreement frequency band of data allocations of base station transmits.
In another preferred implementation of the embodiment of the invention; Distribution module 92 is used for having overlapped frequency bands in LTE system and other GSMs; And overlapped frequency bands is plug-in type when overlapping, and control uplink scheduling device is the Physical Resource Block beyond signaling and/or the data allocations overlapped frequency bands.
Wherein, distribution module 92 is used for when the data of the DCCH of dispatched users or Dedicated Traffic Channel, confirms that control channel unit that scheduler can distribute is not within said overlapped frequency bands; And the control scheduler is control channel unit and Physical Resource Block beyond signaling and/or the data allocations overlapped frequency bands.
Preferably, the control channel unit comprise following one of at least: the scheduling control information of up direction, the scheduling control information of down direction.
Distribution module 92 is used for having overlapped frequency bands in LTE system and other GSMs at down direction in another preferred implementation of the embodiment of the invention; And definite overlapped frequency bands is plug-in type when overlapping, and the control downlink scheduler is control channel unit and Physical Resource Block beyond signaling and/or the data allocations overlapped frequency bands.
Wherein, distribution module 92 can comprise: first confirms submodule, and the common search space that is used for confirming the physical downlink control channel PDCCH under the current LTE system bandwidth is outside overlapped frequency bands; The first control submodule is used for when current subframe has public control signaling to dispatch, and the control downlink scheduler distributes the control channel unit in the common search space; First distribution sub module is used to control downlink scheduler and distributes the Physical Resource Block beyond the overlapped frequency bands.
Preferably, distribution module 92 can comprise: second confirms submodule, and the common search space that is used for confirming the PDCCH under the current LTE system bandwidth is within overlapped frequency bands; The second control submodule is used for when current subframe has public control signaling to dispatch, and the control downlink scheduler is 8 to distribute the control channel unit with lowest bit rate in the common search space according to aggregation levels; Second distribution sub module is used to control downlink scheduler and distributes the Physical Resource Block beyond the overlapped frequency bands.
In sum, the embodiment of the invention adopts the mode of distributing the frequency band beyond the overlapped frequency bands, has reached the effects of jamming that reduces LTE system and other system.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. the interference avoidance method of a Long Term Evolution LTE system is characterized in that, comprising:
The base station of LTE system knows that there are overlapped frequency bands in frequency range and other GSMs of said LTE system;
Said base station is the signaling of its transmission and/or the frequency band outside the said overlapped frequency bands of data allocations.
2. method according to claim 1 is characterized in that,
The base station of LTE system confirms that frequency range and other GSMs of said LTE system exist overlapped frequency bands to comprise: said base station confirms that there are said overlapped frequency bands in said LTE system and other GSMs at up direction or down direction, and confirms that said overlapped frequency bands is that marginal mode is overlapping;
Said base station comprises for the signaling of its transmission and/or the frequency band outside the said overlapped frequency bands of data allocations: the next agreement frequency band of the frequency band of up direction in the said LTE system or down direction to said overlapped frequency bands shunk in said base station, and is the said signaling and/or the said next agreement frequency band of said data allocations of said base station transmits.
3. method according to claim 1 is characterized in that,
After the base station of LTE system confirmed that there are overlapped frequency bands in frequency range and other GSMs of said LTE system, said base station confirmed that said overlapped frequency bands is that plug-in type is overlapping;
Said base station is that the signaling of its transmission and/or the frequency band outside the said overlapped frequency bands of data allocations comprise: said base stations control scheduler is the Physical Resource Block beyond said signaling and/or the said overlapped frequency bands of said data allocations.
4. method according to claim 3 is characterized in that, said base stations control scheduler is that the Physical Resource Block beyond said signaling and/or the said overlapped frequency bands of said data allocations comprises:
When the data of the DCCH of dispatched users or Dedicated Traffic Channel, said base station confirms that control channel unit that scheduler can distribute is not within said overlapped frequency bands;
This scheduler of said base stations control is control channel unit and the Physical Resource Block beyond said signaling and/or the said overlapped frequency bands of said data allocations.
5. method according to claim 4 is characterized in that, said control channel unit comprise following one of at least:
The scheduling control information of up direction, the scheduling control information of down direction.
6. method according to claim 1 is characterized in that,
The base station of LTE system confirms that frequency range and other GSMs of said LTE system exist overlapped frequency bands to comprise: said base station confirms that there are overlapped frequency bands in said LTE system and other GSMs at down direction, and confirms that said overlapped frequency bands is that plug-in type is overlapping;
Said base station is that the signaling of its transmission and/or the frequency band outside the said overlapped frequency bands of data allocations comprise: said base stations control downlink scheduler is control channel unit and the Physical Resource Block beyond said signaling and/or the said overlapped frequency bands of said data allocations.
7. method according to claim 6 is characterized in that, said base stations control downlink scheduler is that control channel unit and the Physical Resource Block beyond said signaling and/or the said overlapped frequency bands of said data allocations comprises:
Said base station confirms that the common search space of the physical downlink control channel PDCCH under the current LTE system bandwidth is outside said overlapped frequency bands;
When current subframe had public control signaling to dispatch, the said downlink scheduler of said base stations control distributed the control channel unit in said common search space;
The said downlink scheduler of said base stations control distributes the Physical Resource Block beyond the said overlapped frequency bands.
8. method according to claim 6 is characterized in that, said base stations control downlink scheduler is that control channel unit and the Physical Resource Block beyond said signaling and/or the said overlapped frequency bands of said data allocations comprises:
Said base station confirms that the common search space of the PDCCH under the current LTE system bandwidth is within said overlapped frequency bands;
When current subframe had public control signaling to dispatch, the said downlink scheduler of said base stations control was 8 to distribute the control channel unit with lowest bit rate in said common search space according to aggregation levels;
The said downlink scheduler of said base stations control distributes the Physical Resource Block beyond the said overlapped frequency bands.
9. a base station is characterized in that, said base station is arranged in Long Term Evolution LTE system, and said base station comprises:
Distribution module is used for when there are overlapped frequency bands in the frequency range of said LTE system and other GSMs, being the signaling of said base station transmits and/or the frequency band outside the said overlapped frequency bands of data allocations.
10. base station according to claim 9 is characterized in that,
Said distribution module is used for having said overlapped frequency bands in said LTE system and other GSMs at up direction or down direction; And said overlapped frequency bands is that marginal mode is when overlapping; Shrink the next agreement frequency band of the frequency band of up direction in the said LTE system or down direction, and be the said signaling and/or the said next agreement frequency band of said data allocations of said base station transmits to said overlapped frequency bands.
11. base station according to claim 9 is characterized in that,
Said distribution module is used for having overlapped frequency bands in said LTE system and other GSMs; And said overlapped frequency bands is plug-in type when overlapping, and control uplink scheduling device is the Physical Resource Block beyond said signaling and/or the said overlapped frequency bands of said data allocations.
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| PCT/CN2011/077588 WO2012083692A1 (en) | 2010-12-24 | 2011-07-25 | Method for avoiding interference of lte system and base station |
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| WO2014169486A1 (en) * | 2013-04-19 | 2014-10-23 | 华为技术有限公司 | Method and device for determining resource |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007008432A2 (en) * | 2005-07-08 | 2007-01-18 | Telcom Ventures, Llc | Method and system for mitigating co-channel interference |
| CN101232697A (en) * | 2007-01-24 | 2008-07-30 | 鼎桥通信技术有限公司 | System and method for distributing carrier wave frequency range in honeycomb mobile communication system |
| CN101578898A (en) * | 2007-01-15 | 2009-11-11 | Lm爱立信电话有限公司 | Method and radio base station for effective spectrum utilization |
| CN101600210A (en) * | 2008-12-30 | 2009-12-09 | 上海无线通信研究中心 | Frequency reuse and allocation method based on the mobile communication system network of different bandwidth |
| WO2010146424A1 (en) * | 2009-06-16 | 2010-12-23 | Nokia Corporation | Apparatus and method for interworking between multiple frequency band modes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101622954B1 (en) * | 2009-06-10 | 2016-05-20 | 삼성전자주식회사 | Apparatus and method for resource allocation information transmission in mobile communication system |
-
2010
- 2010-12-24 CN CN201010606033.2A patent/CN102547734B/en active Active
-
2011
- 2011-07-25 WO PCT/CN2011/077588 patent/WO2012083692A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007008432A2 (en) * | 2005-07-08 | 2007-01-18 | Telcom Ventures, Llc | Method and system for mitigating co-channel interference |
| CN101578898A (en) * | 2007-01-15 | 2009-11-11 | Lm爱立信电话有限公司 | Method and radio base station for effective spectrum utilization |
| CN101232697A (en) * | 2007-01-24 | 2008-07-30 | 鼎桥通信技术有限公司 | System and method for distributing carrier wave frequency range in honeycomb mobile communication system |
| CN101600210A (en) * | 2008-12-30 | 2009-12-09 | 上海无线通信研究中心 | Frequency reuse and allocation method based on the mobile communication system network of different bandwidth |
| WO2010146424A1 (en) * | 2009-06-16 | 2010-12-23 | Nokia Corporation | Apparatus and method for interworking between multiple frequency band modes |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014005322A1 (en) * | 2012-07-06 | 2014-01-09 | Nokia Siemens Networks Oy | Search spaces for wireless communications |
| CN105075318A (en) * | 2013-07-02 | 2015-11-18 | 华为技术有限公司 | Method and device for avoiding heterogeneous system interference in frequency spectrum reuse scheme |
| CN105025494A (en) * | 2014-10-30 | 2015-11-04 | 魅族科技（中国）有限公司 | Wireless communication method, related equipment and system |
| WO2016169340A1 (en) * | 2015-04-21 | 2016-10-27 | 索尼公司 | Frequency spectrum coordination device and method, and device and method in wireless communication system |
| US10499254B2 (en) | 2015-04-21 | 2019-12-03 | Sony Corporation | Frequency spectrum coordination device and method, and device and method in wireless communication system |
| WO2017107013A1 (en) * | 2015-12-21 | 2017-06-29 | 华为技术有限公司 | Resource scheduling method, device and base station |
| CN108282885A (en) * | 2017-01-06 | 2018-07-13 | 华为技术有限公司 | The method and apparatus of signal transmission |
| CN108282885B (en) * | 2017-01-06 | 2021-12-31 | 华为技术有限公司 | Method and device for signal transmission |
| CN106792733B (en) * | 2017-01-22 | 2019-02-15 | 维沃移动通信有限公司 | A kind of control method and mobile terminal of communication bandwidth |
| CN106792733A (en) * | 2017-01-22 | 2017-05-31 | 维沃移动通信有限公司 | The control method and mobile terminal of a kind of communication bandwidth |
| WO2018219096A1 (en) * | 2017-06-02 | 2018-12-06 | 维沃移动通信有限公司 | Transmission method, related equipment and system for terminal self-interference |
| US11223464B2 (en) | 2017-06-02 | 2022-01-11 | Vivo Mobile Communication Co., Ltd. | Transmission method, related equipment and system for terminal self-interference |
| US11689340B2 (en) | 2017-06-02 | 2023-06-27 | Vivo Mobile Communication Co., Ltd. | Transmission method, related equipment and system for terminal self-interference |
| CN110290499A (en) * | 2019-06-19 | 2019-09-27 | 中铁第四勘察设计院集团有限公司 | A kind of LTE-R and train dispatch radio communication communication system disturbance coordination method and device |
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| WO2012083692A1 (en) | 2012-06-28 |
| CN102547734B (en) | 2015-01-28 |
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