CN104144439A - Method of handling interference mitigation and related communication device - Google Patents
Method of handling interference mitigation and related communication device Download PDFInfo
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Abstract
A method of handling interference mitigation is disclosed for a first cell in a first cell cluster of a time-division duplexing (TDD) system comprises determining an interference mitigation for a communication operation between the first cell and a communication device in the TDD system, to reduce an interference caused by the communication operation to a second cell in a second cell cluster of the TDD system; and performing the communication operation according to the interference mitigation. According to the interference mitigation method of the invention, the output rate of the TDD system can be improved.
Description
Technical field
The present invention relates to a kind of method for wireless communication system and related communication device, relate in particular to a kind of processing and disturb method and the related communication device suppressing.
Background technology
Third generation partner program (the3rd Generation Partnership Project, 3GPP) in order to improve Universal Mobile Telecommunications System (Universal Mobile Telecommunications System, UMTS), formulated Long Term Evolution (the Long Term Evolution with better efficiency, LTE) system, it supports third generation partner program the 8th version (3GPP Rel-8) standard and/or third generation partner program the 9th version (3GPP Rel-9) standard, to meet the user's request day by day increasing.Long evolving system is regarded as providing high data transmission rate, low latent time, package optimization and improve power system capacity and a kind of new wave point and the wireless network architecture of coverage, comprise by a plurality of evolved base station (evolved Node-Bs, eNBs) the evolved general land global radio access network forming (Evolved Universal Terrestrial Radio Access Network, E-UTRAN), its one side and client (user equipment, UE) communicate, on the other hand with the non-level of access of processing (Non Access Stratum, NAS) core network of controlling communicates, and core network comprises servo gateway (serving gateway) and mobile management unit (Mobility Management Entity, the entity such as MME).
Advanced Long Term Evolution (LTE-advanced, LTE-A) system is evolved and is formed by long evolving system, it comprises integrated (the carrier aggregation of carrier wave, CA), coordinate multiple spot (coordinated multipoint, CoMP) transmission/reception and multiple-input and multiple-output (multiple-input multiple-output, the advanced technology such as MIMO), with the bandwidth that extends, quick transfer power state is provided and promotes cell edge efficiency.For client and evolved base station in advanced long evolving system can be intercomed mutually, client and evolved base station must be supported the standard of formulating for advanced long evolving system, as the standard of third generation partner program the tenth version (3GPP Rel-10) standard or more recent version.
Be different from frequency division duplexing (frequency-division duplexing, FDD) long evolving system/advanced long evolving system, at time division duplex (time-division duplexing, TDD), in long evolving system/advanced long evolving system, the transmission direction of subframe in identical frequency band (subframes) can be not identical.That is to say, according to the uplink (uplink of third generation partner program standard, UL)/lower link (downlink, DL) configuration (UL/DL configuration), subframe can be divided into uplink subframe, lower link subframe and special subframe.
Please refer to Fig. 1, Fig. 1 is the corresponding table 10 of subframe and corresponding transmission direction thereof in uplink/lower isl configuration.Fig. 1 has illustrated 7 uplink/lower isl configuration, and wherein each uplink/lower isl configuration indication is respectively used to the transmission direction of 10 subframes.Specifically, " U " represents that this subframe is a uplink subframe, and it is used for transmitting uplink data." D " represents that this subframe is link subframe, and it is used for transmitting lower link data." S " represents that this subframe is a special subframe, and it is used for communicating control information and possible data (determining according to special subframe configuration).
Yet the evolved base station in the Long Term Evolution/advanced long evolving system (being designated hereinafter simply as time division duplex system) of running under time division duplex pattern may be configured with various uplink/lower isl configuration.In other words, when an evolved base station is when adjacent evolved base station disposes different uplink/lower isl configuration, for the lower link subframe of this evolved base station, may be the uplink subframe of adjacent evolved base station.On the other hand, the uplink subframe for this evolved base station may be the lower link subframe of adjacent evolved base station.In the case, can produce various types of interference to evolved base station or client.For instance, when an evolved base station carries out lower link transmission to client in a subframe, this evolved base station may be subject to adjacent evolved base station and in this subframe, carry out the interference that improving uplink transmission and/or lower link transmission cause.The output rating of evolved base station and client can be subject to the impact of these interference and reduce.
Therefore, reduce the interference that evolved base station and client are caused very important, the interference of time division duplex system suppresses thereby becomes problem demanding prompt solution.
Summary of the invention
Therefore, the invention provides a kind of method and related communication device, the interference that is used for processing in time division duplex system (Time-Division Duplexing, TDD) suppresses, to address the above problem.
A kind of method suppressing of disturbing of processing, one first cell cluster (cell cluster), one first community for a time division duplex system, the method comprises and determines to disturb and to suppress for one of the communication operations between this first community and this time division duplex system one communicator, to reduce this communication operations to an interference that in one second cell cluster of this time division duplex system, one second community is caused; And disturb and suppress according to this, carry out this communication operations.
A communicator, is used for processing to disturb according to said method suppressing.
Accompanying drawing explanation
Fig. 1 is the correspondence table of subframe and corresponding transmission direction thereof in uplink/lower isl configuration.
Fig. 2 is the schematic diagram of the embodiment of the present invention one wireless communication system.
Fig. 3 is the schematic diagram of the embodiment of the present invention one communicator.
Fig. 4 is the flow chart of the embodiment of the present invention one flow process.
Fig. 5 is the schematic diagram of the embodiment of the present invention one time division duplex system.
Fig. 6 is the schematic diagram of another time division duplex system of the embodiment of the present invention.
Fig. 7 is the schematic diagram of the another time division duplex system of the embodiment of the present invention.
Fig. 8 is the embodiment of the present invention schematic diagram of a time division duplex system again.
Wherein, description of reference numerals is as follows:
10 corresponding tables
20 wireless communication systems
30 communicators
300 processing unit
310 memory cell
314 program codes
320 communications interface units
40 flow processs
400,402,404,406 steps
50,60,70,80 time division duplex systems
CLUa, CLUb, CLU cell cluster
CLa1～CLa7, CLb1～CLb6, community
CL1～CL14
CD communicator
Embodiment
Fig. 2 is the schematic diagram of the embodiment of the present invention one wireless communication system 20.Wireless communication system 20 is comprised of a communicator CD, two cell clusters (cell cluster) CLUa, CLUb Ji Liang community CL1, CL2 briefly, wherein, cell cluster CLUa comprises community CLa1～CLa6, and cell cluster CLUb comprises community CLb1～CLb6.Community CL1 (and community CL2) can be considered not sub-clustering or self-sub-clustering (cell cluster only comprises itself).Community CL1 and CL2 are for the possible implementation of wireless communication system 20 is described, in part situation, community CL1 and CL2 may not exist.Similarly, cell cluster CLUa and CLUb are that the present invention also can be applicable to only have the situation of single cell cluster for the possible implementation of wireless communication system 20 is described.
The border of community represents with circle respectively, and the coverage of community is respectively the region in border.The coverage of each community is may be mutually not overlapping or partly overlap, and it is not limited to the not overlapping situation shown in Fig. 2.
Wireless communication system 20 is supported a time division duplex (Time-Division Duplexing, TDD) pattern, be designated hereinafter simply as time division duplex system 20, that is, communicator CD and time division duplex system 20Zhong community can be according to one or more uplink/lower isl configurations, by uplink (uplink, UL) subframe and lower link (downlink, DL) subframe, transmit and/or receive.For instance, community CLa1～CLa6 can be set has one first uplink/lower isl configuration, and community CLb1～CLb6 can be set and has one second uplink/lower isl configuration, wherein, this first uplink/lower isl configuration and this second uplink/lower isl configuration may be identical or different.In addition, community CL1 and CL2 can be set respectively and have one the 3rd uplink/lower isl configuration and one the 4th uplink/lower isl configuration.Similarly, the 3rd uplink/lower isl configuration and the 4th uplink/lower isl configuration may be identical or different.In simple terms, in time division duplex system 20, the uplink of each community/lower isl configuration may be identical, part is identical or completely different.
In Fig. 2, communicator CDJi community is only for the structure of time division duplex system 20 is described.In fact, one community (as community CLa2) can be controlled by a umts (Universal Mobile Telecommunications System, UMTS) base station (Node-B, NB) (for example being produced by this base station) in.In another embodiment, one community (as community CL1) can be controlled by a Long Term Evolution (Long Term Evolution, LTE) system, an advanced Long Term Evolution (LTE-Advanced, LTE-A) the evolved base station (evolved NB, eNB) in the advanced version of system or advanced long evolving system and/or a relay station (for example being produced by this evolved base station or this relay station).In other words, each community CL1, CL2, CLa1～CLa6 and CLb1～CLb6 can be controlled by respectively a base station, an evolved base station or a relay station.In addition, base station (or evolved base station or relay station) can, according to the design of time division duplex system 20, be controlled a plurality of communities simultaneously.For instance, community CLa1 and CLa2 can be controlled by same base station (or same evolved base station or same relay station).In another embodiment, above-mentioned example also can be applicable to meet the base station of the wireless communication standards such as IEEE802.11, IEEE802.16.
Communicator CD can be a client (User Equipment, UE), a mobile base station, a low-cost device (as machine type communication (Machine Type Communication, MTC) device), a mobile phone, a notebook computer, a flat computer, an e-book or a portable computer system.In addition, according to data transfer direction, community (for example any community in time division duplex system 20) and communicator CD can be considered as respectively transmission end or receiving terminal, for instance, for a uplink, communicator CD is transmission end and community is receiving terminal, and for link once, community is transmission end and communicator CD is receiving terminal.More particularly, for a community, the direction that the direction of transmission receives for lower link is uplink; For communicator CD, the direction of transmission is that the direction that uplink receives is lower link.
Please refer to Fig. 3, Fig. 3 is the schematic diagram of the embodiment of the present invention one communicator 30.Communicator 30 can be used to realize the communicator CD in Fig. 2 and/or produces base station, evolved base station or the relay station of community, but is not limited to this.Communicator 30 can comprise a processing unit 300, a memory cell 310 and a communications interface unit 320.Processing unit 300 can be a microprocessor (microprocessor) or an ASIC(Application Specific Integrated Circuit) (Application Specific Integrated Circuit, ASIC).Memory cell 310 can be arbitrary data storage device, is used for storing a program code 314, and processing unit 300 can read and executive program code 314 by memory cell 310.For instance, memory cell 310 includes but not limited to subscriber identification module (Subscriber Identity Module, SIM), read-only memory (Read-Only Memory, ROM), flash memory (flash memory), random access memory (Random-Access Memory, RAM), compact disc read-only memory (CD-ROM/DVD-ROM), tape (magnetic tape), hard disk (hard disk) and optical data storage device (optical data storage device) etc.Communications interface unit 320 can be a wireless transceiver, and it can, according to the result of processing unit 300, be used for transmitting and reception signal (as information or package).
Please refer to Fig. 4, Fig. 4 is the flow chart of the embodiment of the present invention one flow process 40.Flow process 40 can be used for one first community (for controlling base station, evolved base station or the relay station of this first community) in one first cell cluster of the time division duplex system 20 shown in Fig. 2, is used for processing disturbing suppressing.Flow process 40 can be compiled into program code 314, and it comprises the following steps:
Step 400: start.
Step 402: determine to disturb and to suppress for one of the communication operations between this first community and this time division duplex system one communicator, to reduce this communication operations to an interference that in one second cell cluster of this time division duplex system, one second community is caused.
Step 404: disturb and suppress according to this, carry out this communication operations.
Step 406: finish.
According to flow process 40, the first community (for example community CLa2) determines to disturb and to suppress for one of the communication operations between the first community and communicator CD (as transmitted or receiving), for example to reduce this communication operations, to interference that in one second cell cluster of time division duplex system 20, one second community (community CLa1, CLb2 or CL1) caused.Then, the first community is disturbed and is suppressed according to this, carry out this communication operations, that is this communication operations is carried out in the first community, but can reduce the interference that the second community (a for example neighbor cell) caused simultaneously.Therefore this communication operations can reduce the impact of the output rating of the second community.Because the uplink/lower isl configuration of the first community does not need to change, flow process 40 can be considered a soft interference and suppresses.Therefore the output rating of time division duplex system 20 can be improved, and when flow process 40 realizes in time division duplex system 20 a plurality of community, therefore the amplitude of improvement also can increase.
Implementation of the present invention is not limited to the explanation of above-described embodiment.For asking simplification, the title in flow process 40 is also used in following examples.
For instance, the first community (for example community CLa2) can notify communicator CD to suppress to carry out this communication operations according to disturbing.In other words, the first community can realize to disturb suppress by himself, for example, as described in flow process 40 (when this communication operations for link transmission once time).In addition, the first community also can be notified communicator CD to realize and disturb and suppress (for example, when this communication operations is an improving uplink transmission).Therefore,, no matter this communication operations is lower link transmission or improving uplink transmission, all can reaches and disturb the effect suppressing.In another embodiment, the first community and communicator CD can operate jointly, to realize disturbing, suppress.
Can be used to realize the method that interference of the present invention suppresses has a variety of.
The radio resource unit (radio resource units) that the first community (for example community CLa5) can be reduced by quantity is (as Resource Block (Resource Blocks, RBs), Resource Block group (Resource Block Groups, RBGs)) carry out this communication operations, that is the radio resource unit quantity that disturb to suppress to be dispensed to this communication operations by reduction realizes.Therefore the second community can be subject to lower interference.For instance, this communication operations (for example descending link transmission) can be carried out by less radio resource unit in the first community.In addition, the first community can notify communicator CD to carry out this communication operations (for example improving uplink transmission) by less radio resource unit.Preferably, the quantity of radio resource unit can drop to lower than according to the quantity that standard determined of prior art (as standard), and can be the quantity that a predetermined quantity or capable of dynamic are adjusted, and is not limited to this.
In addition, the first community (for example community CLa2) can carry out this communication operations by the transmission power level reducing, that is, disturb the transmission power level that suppresses to be used for this communication operations by reduction to realize.Therefore the second community can be subject to lower interference.For instance, this communication operations (for example descending link transmission) can be carried out by a low transmission power position standard in the first community.In addition, the first community can notify communicator CD to carry out this communication operations (for example improving uplink transmission) by a low transmission power position standard.Preferably, transmission power level can drop to lower than according to the transmission power level that standard determined of prior art (as standard), and can be the numerical value that a predetermined value or capable of dynamic are adjusted, and is not limited to this.
In addition, the first community (for example community CLa2) can, according to the distance between communicator CD and the base station of the first community, distribute a dispatching priority order to give communicator CD.Then, this communication operations can, according to this dispatching priority order, be carried out in the first community.That is disturb suppressing can be by postponing this communication operations or reducing the probability that this communication operations is performed and realize.Therefore the second community can be subject to lower interference.For instance, the first community can distribute a low scheduling order of priority to give the communicator CD away from the base station of the first community, this is because in the larger situation of the distance between communicator CD and base station, communicator CD (or first community) needs to promote the transmission power level of carrying out this communication operations, and then larger interference is caused in neighbor cell.Preferably, dispatching priority order can be lower than according to the dispatching priority order that standard determined of prior art (as standard), and can be the order of priority that a predetermined priority order or capable of dynamic are adjusted, and is not limited to this.
The time point of executive communication running on the other hand, (for example implementing to disturb to suppress) is also not limited to this.For instance, communication operations can be executed in one first subframe (for example the 4th subframe) with one first transmission direction, and one second subframe adjacent with this first subframe (for example the 5th subframe) has one second transmission direction.In other words, communication operations can be executed in the different situation of transmission direction of two adjacent sub-frame (as the 4th subframe and the 5th subframe), and for example the transmission direction of current subframe is uplink and the transmission direction of next subframe is lower link.In addition, the first community (for example community CLa2) can be set has one first uplink/lower isl configuration, and the second community (for example community CLb2) can be set has one second uplink/lower isl configuration, that is the first community and the second community can be set has different configuration.In the case, may be different according to being used for the transmission direction of uplink/subframe that lower isl configuration determines of executive communication running.For instance, according to the first uplink/lower isl configuration, the transmission direction of subframe can be uplink, and according to the second uplink/lower isl configuration, the transmission direction of subframe can be lower link.In another embodiment, the first community (for example community CLa2) and the second community (for example community CLa5) can be set and have identical configuration.In the case, be used for carrying out the transmission direction meeting of subframe of this communication operations identical.
In addition, the first cell cluster and the second cell cluster can be same cell cluster (for example cell cluster CLUa) or different districts bunch (for example cell cluster CLUa and CLUb).With deciding, disturb the method suppressing to be not limited to this.For instance, the first community (for example community CLa2) can decide in its sole discretion and disturb suppress, for example, according to the measurement receiving from communicator or decide according to number of retransmissions.In another embodiment, the first community (for example community CLa2) can for example, decide according to the system information that (community CL1) receives from the second community to disturb and suppress, that is the first community and the second community can operate jointly, to determine to disturb, suppresses.In addition, the position of the first community and the second community is also not limited to this.For instance, the first community (for example community CLa5) can for example, close to the border (dotted line of cell cluster CLUa) of the coverage of the first cell cluster.In addition, the second community (for example community CLb2) can for example, close to the border (dotted line of cell cluster CLUb) of the coverage of the second cell cluster.
It should be noted that above-described embodiment is for illustrating that the first community (or corresponding communicator) suppresses to carry out a communication operations, the interference the second community being caused to alleviate this communication operations according to disturbing.The present invention may extend to the situation of a plurality of communities.For instance, a community (for example community CLa2) can suppress to carry out a communication operations (for example descending link transmission), the interference (for example community CL1 and CLb2) one set of cells being caused to alleviate this communication operations according to disturbing.In another embodiment, the communicator communicating with the first community can reception notification, for example, to suppress to carry out this communication operations (improving uplink transmission) according to disturbing.
In addition, those skilled in the art should know, the narration that a communication operations is carried out in one community represents that this community is controlled by an evolved base station, a base station or a relay station (by this evolved base station, this base station or this relay station, being produced), to carry out this communication operations.In general, disturb and suppress to realize the transmission end (when Shi Yi community, transmission end) of link transmission under carrying out or the transmission end (when transmission end is a communicator) of carrying out improving uplink transmission.For instance, community is according to disturb to suppress carrying out a communication operations, and this communication operations is link transmission.Yet under specific circumstances, receiving terminal can suppress to carry out corresponding reception according to disturbing.Therefore, community is according to disturbing the communication operations that suppresses execution reception to be also included within category of the present invention.Similarly, community is according to disturbing the situation of the communication operations that suppresses notice communicator execution reception to be also included within category of the present invention.
The interference of carrying out based on community sub-clustering suppresses to can be applicable to a dynamic sharing duplex system, to simplify the planning/setting of the uplink/lower isl configuration of community, and reduces the interference between neighbor cell.In dynamic sharing duplex system, part community can form a cell cluster, so in this cell cluster, all communities all can be set to and have identical uplink/lower isl configuration.The soft interference that the present invention proposes suppresses may be implemented in a set of cells that suffers larger interference (being for example greater than a predetermined interference level).For instance, larger interference may be to come from the flow process that cell cluster reorganizes, for example, form the sub-clustering flow process of a cell cluster, and bunch (de-clustering) flow process of going that a cell cluster is divided into two or more cell clusters.
Fig. 5 is the schematic diagram of the embodiment of the present invention one time division duplex system 50.Time division duplex system 50 is comprised of two cell cluster CLUa and CLUb briefly, and wherein, cell cluster CLUa comprises community CLa1～CLa7, and cell cluster CLUb comprises community CLb1～CLb6.Because community CLa2, CLa4 and CLa6 approach the border of cell cluster CLUa, and larger interference is caused in bunch (being a cell cluster CLUb) Zhong community (for example community CLb2), neighbor cell, embodiments of the invention (for example flow process 40 and/or above-mentioned explanation) can be applicable to community CLa2, CLa4 and CLa6, to reduce interference.
Fig. 6 is the schematic diagram of the embodiment of the present invention one time division duplex system 60.Time division duplex system 60 is comprised of two cell cluster CLUa, CLUb Ji Liang community CL1, CL2 briefly, and wherein, cell cluster CLUa comprises community CLa1～CLa6, and cell cluster CLUb comprises community CLb1～CLb6.Because community CL1 and CL2 approach the border of cell cluster CLUa and CLUb, and cell cluster CLUa and CLUb Zhong community (for example community CLa2, CLa5 and CLb2) are caused to larger interference, embodiments of the invention (for example flow process 40 and/or above-mentioned explanation) can be applicable to community CL1 and CL2, to reduce interference.
Fig. 7 is the schematic diagram of the embodiment of the present invention one time division duplex system 70.Time division duplex system 70 is comprised of two cell cluster CLUa, CLUb Ji Liang community CL1, CL2 briefly, and wherein, cell cluster CLUa comprises community CLa1～CLa6, and cell cluster CLUb comprises community CLb1～CLb6.Because community CLa2, CLa5 and CLb2 approach respectively the border of cell cluster CLUa and CLUb, and larger interference is caused in the community (for example community CL1 and CL2) beyond cell cluster CLUa and CLUb, embodiments of the invention (for example flow process 40 and/or above-mentioned explanation) can be applicable to community CLa2, CLa5 and CLb2, to reduce interference.
Fig. 8 is the schematic diagram of the embodiment of the present invention one time division duplex system 80.Time division duplex system 80 is comprised of a cell cluster CLU briefly, and wherein, cell cluster CLU comprises community CL1～CL14.One goes manifold flow journey will be performed in cell cluster CLU, cell cluster CLU is divided into two (or many) individual cell clusters.Because community CL5～CL9 is close to the border of removing the later cell cluster of manifold flow journey, may cause larger interference to adjacent community, embodiments of the invention (for example flow process 40 and/or above-mentioned explanation) can go manifold flow journey start before (or go manifold flow journey carry out in) be applied to community CL5～CL9, to reduce interference.
From above-described embodiment, present invention can be implemented in various set of cells and each time point, to alleviate interference, and then improve the output rating of time division duplex system.
Those skilled in the art when can according to spirit of the present invention in addition in conjunction with, modify or change above-described embodiment, and be not limited to this.The step of aforesaid all flow processs (comprising proposed steps) can realize by device, device can be hardware, firmware (be the combination of hardware unit and computer instruction and data, and computer instruction and data belonging to the read-only software on hardware unit) or electronic system.Hardware can be simulation microcomputer circuit, digital microcomputer circuit, hybrid microcomputer circuit, microcomputer chip or silicon.Electronic system can be system single chip (System On Chip, SOC), system in package (System in Package, SiP), embedded computer (Computer On Module, COM) and communicator 30.
In sum, the invention provides a kind of processing and disturb the method suppressing, make to realize and disturb the output rating of the time division duplex system suppressing to be improved.When disturb to suppress realizing in this time division duplex system a plurality of community, therefore the amplitude of improvement also can increase.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (14)
1. process and disturb the method suppressing, for one first cell cluster one first community of a time division duplex system, the method comprises:
Determine to disturb and to suppress for one of the communication operations between this first community and this time division duplex system one communicator, to reduce this communication operations to an interference that in one second cell cluster of this time division duplex system, one second community is caused; And
According to this, disturb and suppress, carry out this communication operations.
2. the method for claim 1, is characterized in that, according to this, disturbs and suppresses, and the step of carrying out this communication operations comprises the following steps:
Notify this communicator to suppress to carry out this communication operations according to this interference.
3. the method for claim 1, is characterized in that, according to this, disturbs and suppresses, and the step of carrying out this communication operations comprises the following steps:
The radio resource unit reducing by quantity is carried out this communication operations.
4. the method for claim 1, is characterized in that, according to this, disturbs and suppresses, and the step of carrying out this communication operations comprises the following steps:
With the transmission power level reducing, carry out this communication operations.
5. the method for claim 1, is characterized in that, according to this, disturbs and suppresses, and the step of carrying out this communication operations comprises the following steps:
According to the distance between this communicator and a base station of this first community, distribute a dispatching priority order to give this communicator; And
According to this dispatching priority order, carry out this communication operations.
6. the method for claim 1, is characterized in that, this communication operations is executed in one first subframe with one first transmission direction, and has one second transmission direction adjacent to one second subframe of this first subframe.
7. the method for claim 1, is characterized in that, this first community is set has one first uplink/lower isl configuration, and this second community is set and has one second uplink/lower isl configuration.
8. method as claimed in claim 7, it is characterized in that, this communication operations is executed in a subframe, and this subframe determining according to this first uplink/lower isl configuration is from different according to the transmission direction of this second uplink/this subframe that lower isl configuration determines.
9. method as claimed in claim 7, it is characterized in that, this communication operations is executed in a subframe, and this subframe determining according to this first uplink/lower isl configuration is with identical according to the transmission direction of this second uplink/this subframe that lower isl configuration determines.
10. the method for claim 1, is characterized in that, this first cell cluster and this second cell cluster are identical cell cluster.
11. the method for claim 1, is characterized in that, this first community is to decide this interference to suppress according to the system information receiving from this second community.
12. the method for claim 1, is characterized in that, this first community approaches a border of a coverage of this first cell cluster.
13. the method for claim 1, is characterized in that, this second community approaches a border of a coverage of this second cell cluster.
14. 1 communicators, are used for method according to claim 1 to process to disturb and suppress.
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| US14/265,385 US9906350B2 (en) | 2013-05-08 | 2014-04-30 | Method of handling interference mitigation and related communication device |
| US14/265,385 | 2014-04-30 |
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| WO2018177067A1 (en) * | 2017-03-28 | 2018-10-04 | 华为技术有限公司 | Method and device for interference coordination |
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| CN101527594A (en) * | 2008-03-05 | 2009-09-09 | 中兴通讯股份有限公司 | Method and device for removing interference between cells based on time division duplex wireless communication system |
| CN101527593A (en) * | 2008-03-05 | 2009-09-09 | 中兴通讯股份有限公司 | Method and device for removing interference between cells based on time division duplex wireless communication system |
| WO2012083500A1 (en) * | 2010-12-22 | 2012-06-28 | Telefonaktiebolaget L M Ericsson (Publ) | Coordinated scheduling for time division duplex network |
| WO2013002572A2 (en) * | 2011-06-29 | 2013-01-03 | 엘지전자 주식회사 | Method and apparatus for controlling inter-cell interference in wireless communication system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412924A (en) * | 2015-05-29 | 2017-02-15 | 宏碁股份有限公司 | Device and Method of Handling Communication Operation for Unlicensed Band |
| WO2018177067A1 (en) * | 2017-03-28 | 2018-10-04 | 华为技术有限公司 | Method and device for interference coordination |
| US10897300B2 (en) | 2017-03-28 | 2021-01-19 | Huawei Technologies Co., Ltd. | Interference coordination method and apparatus |
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