CN102457886A - Multi-point coordinated processing method and system - Google Patents
Multi-point coordinated processing method and system Download PDFInfo
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- CN102457886A CN102457886A CN2010105268738A CN201010526873A CN102457886A CN 102457886 A CN102457886 A CN 102457886A CN 2010105268738 A CN2010105268738 A CN 2010105268738A CN 201010526873 A CN201010526873 A CN 201010526873A CN 102457886 A CN102457886 A CN 102457886A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a multi-point coordinated processing method. When a coordinated multi-point transmission/reception (CoMP) set is public to UE (User Equipment), the method comprises the following steps: confirming a measurement set of the UE by a base station; sending the measurement set to the UE; receiving measurement set information by the UE; performing channel measurement on a cell in the measurement set and feeding back channel state information to the base station; and deciding whether performing coordinated multi-point emission on the UE by the base station according to the channel state information fed back by the UE. The invention also provides a multi-point coordinated processing system. According to the method and system provided by the invention, related coordinated system information can be publicly or secretly sent by the base station; after the system information is received, the corresponding measurement and feedback can be performed by the UE; and finally, under the coordinated action of the base station/cell, the system throughput rate is increased and the coverage of the system for cell edges is increased.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to a kind of multipoint cooperative processing method and system in the system of broadband wireless communication.
Background technology
Along with development and people's growth of requirement of communication service, following wireless communication system need provide higher rate, more spectral efficient and service more cheaply.
LTE-A (LTE-Advanced, senior Long Term Evolution) is as 3GPP (3
RdGeneration partnership project, third generation partner program) evolution technology of LTE (long term evolution, Long Term Evolution) is accepted by the 3GPP tissue.
One of target of LTE-A improves system exactly, particularly at cell edge, spectrum efficiency and throughput.Its reason is, the LTE-A system is to be the frequency division systems of basic multiple access multiplexing mode with OFDM (orthogonal frequency division multiplex, OFDM) system.In order to obtain the effective utilization to frequency spectrum resource, this system is most of for channeling is 1 system, i.e. neighbor cell use same frequency.This kind configuring condition, inner in the sub-district because of complete quadrature between the carrier wave, almost do not have interference problem, but the interference problem in the cell edge minizone becomes quite serious.Therefore; LTE-A has proposed use multipoint cooperative transmission (Coordinated multi-point transmission/reception; CoMP) technology covers and the cell edge throughput as a kind of high data rate that improves, and/or when high capacity, low load, all can improve the means of system throughput.
CoMP is meant as UE (user equipment; When subscriber equipment) being in a plurality of cell edge; Community associated UE is carried out the multiple spot data transmission by a plurality of; Or coordination, scheduling through a plurality of minizones, thereby reach the elimination presence of intercell interference, improve the purpose of signal quality and data throughput.In present 3GPPTR 36.814 frame descriptions, CoMP is divided into following two types:
(1) Combined Treatment (JP, Joint processing): user data can obtain at each website that cooperation is concentrated.
(2) cooperative scheduling/wave beam forming (CS/CB, Coordinated Scheduling/Coordinated Beamforming): user data is only sent by Serving cell, but a plurality of cooperation cell decisions that its scheduling/wave beam forming scheme is concentrated by cooperation.
The CoMP collection has been carried out to give a definition:
The CoMP collection of cooperating: independent distribution on one group of geography, directly or indirectly participate in UE is sent the sub-district of PDSCH (physical downlink shared channel, Physical Downlink Shared Channel).This CoMP cooperation collection can be opaque to UE.
CoMP sends collection: one or one group of sub-district to UE sends PDSCH are the subclass of CoMP cooperation collection.
CoMP measures collection: the user carries out the relevant channel status of measurement and report and the sub-district of statistical information according to network requirement cycle or aperiodic, and CoMP measures collection can be identical with CoMP cooperation collection.
Serving cell:, in communication process, have only a Serving cell to the sub-district that travelling carriage sends PDCCH (physical downlink control channel, Physical Downlink Control Channel).
According to the characteristics of CoMP, the sub-district that is selected into the CoMP set should have the sub-district use same frequency band in such several characteristics: the CoMP set; Subframe, the symbol of the sub-district air interface in the CoMP set align basically; When being under the jurisdiction of different base stations, the sub-district in the CoMP set can carry out the message transmission through X2 interface is interconnected.
In the prior art, only be that several kinds of set to CoMP define, and undeclared relevant aggregate information is how to inform UE, in addition, how UE carries out corresponding processing and also need confirm after obtaining above-mentioned aggregate information.
Summary of the invention
The technical problem that the present invention will solve provides a kind of multipoint cooperative processing method and system, realizes multipoint cooperative.
In order to address the above problem, the invention provides a kind of multipoint cooperative processing method, when multipoint cooperative transmission (CoMP) set pair subscriber equipment is transparent, comprising:
The measurement collection of said subscriber equipment is confirmed in the base station, and said measurement collection is sent to said subscriber equipment;
Said subscriber equipment receives said measurement collection information, and channel measurement is carried out in the sub-district that said measurement is concentrated, feeding back channel state information to said base station;
Whether said base station carries out the multipoint cooperative emission to said subscriber equipment according to the channel condition information decision of said subscriber equipment feedback.
Further, said method also can have following characteristics, and said measurement collection information is sent through mode of unicast in said base station.
Further, said method also can have following characteristics, and said subscriber equipment feeding back channel state information comprises:
Said subscriber equipment is selected according to preset rules to feed back behind the channel condition information of part or all of sub-district.
Further, said method also can have following characteristics, comprises cell ID in the said measurement collection information, perhaps comprises cell ID and measuring period.
Further, said method also can have following characteristics, and said measurement collection information is periodically sent in said base station, perhaps, satisfies pre-conditioned back and sends said measurement collection information.
The present invention provides a kind of multipoint cooperative processing method, when multipoint cooperative transmission (CoMP) set pair subscriber equipment is opaque, comprising:
Cooperation collection information is sent to subscriber equipment in the base station;
Subscriber equipment receives said cooperation collection information, all or part of sub-district that said cooperation is concentrated is measured feeding back channel state information to said base station;
Whether the base station carries out the multipoint cooperative emission to said subscriber equipment according to the channel condition information decision of said subscriber equipment feedback.
Further, said method also can have following characteristics, and said method also comprises:
When the decision of said base station is carried out the multipoint cooperative emission to said subscriber equipment, send and measure collection information to said subscriber equipment;
Said subscriber equipment receives said measurement collection information, and channel measurement is carried out in all sub-districts that said measurement is concentrated, feeding back channel state information to said base station.
Further, said method also can have following characteristics, and all or part of sub-district measurement that subscriber equipment is concentrated said cooperation comprises: said subscriber equipment selects said cooperation to concentrate the sub-district that appears in the adjacent cell list to measure; Perhaps, said subscriber equipment is directly measured whole sub-districts that said cooperation is concentrated.
Further, said method also can have following characteristics, and said cooperation collection information is sent through clean culture or broadcast mode in said base station, sends said measurement collection information through mode of unicast.
Further, said method also can have following characteristics, when said measurement collection information is sent in said base station, said measurement is concentrated with said cooperation concentrate the sequence number of identical sub-district its appearance in said cooperation collection information of use to represent.
Further, said method also can have following characteristics, and said cooperation collection information is periodically sent in said base station.
The present invention also provides a kind of multipoint cooperative treatment system, and said system comprises base station and subscriber equipment, wherein:
Said base station is used for confirming the measurement collection of subscriber equipment said measurement collection being sent to said subscriber equipment; And, whether said subscriber equipment is carried out the multipoint cooperative emission according to the channel condition information decision of said subscriber equipment feedback;
Said subscriber equipment is used to receive said measurement collection information, and channel measurement is carried out in the sub-district that said measurement is concentrated, feeding back channel state information to said base station.
The present invention also provides a kind of multipoint cooperative treatment system, and said system comprises base station and subscriber equipment, wherein:
Said base station is used for sending cooperation collection information to subscriber equipment; And, whether said subscriber equipment is carried out the multipoint cooperative emission according to the channel condition information decision of said subscriber equipment feedback;
Said subscriber equipment is used to receive said cooperation collection information, all or part of sub-district that said cooperation is concentrated is measured feeding back channel state information to said base station.
Further, said system also can have following characteristics, and said base station also is used for decision said subscriber equipment is carried out multipoint cooperative when emission, sends and measures collection information to said subscriber equipment;
Said subscriber equipment also is used to receive said measurement collection information, and channel measurement is carried out in all sub-districts that said measurement is concentrated, feeding back channel state information to said base station.
Adopt the present invention, the base station can the relevant cooperative system information of transparent or nontransparent transmission; After obtaining these system informations, UE can measure and feed back accordingly, and finally the cooperation through base station/minizone improves system throughput, and enhanced system is in the covering of cell edge.
Description of drawings
Fig. 1 is the present invention set pair UE multipoint cooperative process flow figure when transparent that cooperates;
Fig. 2 is the cooperation set pair that proposes of the present invention multipoint cooperative process flow figure when opaque;
Fig. 3 is the cooperation set pair that proposes of the present invention another kind of multipoint cooperative process flow figure when opaque.
Embodiment
The present invention is based on the definition to the CoMP set, the transmission and the UE that propose a kind of collection information of cooperating receive the scheme of handling.
Scheme one
For CoMP cooperation collection, if this set is transparent to UE, then the base station is measured collection with CoMP and is sent to UE, and UE measures to collect according to CoMP and measures and feed back the correlated channels state information.Whether the base station carries out the multipoint cooperative emission to UE according to the channel condition information decision of UE feedback.
CoMP measures the relevant configuration information of collection can inform UE with the form of unicast info, and the transmission that CoMP measures collection can be the cycle, also can be specified by the eNB side; Satisfying pre-conditioned back transmission measurement collection information to UE; Such as, eNB state, meet the primary condition of cooperating and measuring if judge corresponding UE according to configuration such as cell load and corresponding UE; Be in cell edge like corresponding UE, then send cooperation collection measuring message to corresponding UE.
Measuring the collection configuration information comprises: Cell ID (cell ID); Also can comprise measuring period.
When UE feeds back, the channel condition information of all sub-districts of measuring can be fed back, also can select, measured value is met this regular cooperation cell channel condition information feed back, thereby reduce feedback quantity based on certain rule.This rule can for:
Preestablish a RSRQ (Reference Signal Receiving Quality; Reference Signal Received Quality) or RSRP (Reference Signal Receiving Power; Reference Signal Received Power) (this threshold value can be set up on their own by UE threshold value; Also can send to UE by the base station), be chosen in the above measured value of threshold value, this rule mainly is applicable to the JP mode;
Perhaps, RSRQ or the RSRP value that measures sorted n(n＞=2 before selecting) the individual feedback;
Perhaps, select to differ feeding back of (like the 3dB) that be no more than the setting threshold value with maximum RSRQ or RSRP value.
Above-mentioned rule is merely example, also can set other rules and select.
Scheme two
If UE is opaque for CoMP cooperation set pair, then the base station need be sent CoMP cooperation collection configuration information and given corresponding UE, and this information can be sent through broadcasting or unicast info, and the transmission cycle is by other system information indication.Behind the channel condition information of receiving the UE feedback, whether decision carries out the multipoint cooperative emission to UE, when decision is carried out the multipoint cooperative emission to UE, also sends and measures collection information to UE.
Wherein, when measurement collection and cooperation concentrate the sub-district that comprises identical, measure concentrated configuration information and can the Cell id information be omitted, only use its corresponding sequence number in cooperation collection information to represent, send load to reduce.When measuring collection is when cooperating the subclass that collects; CoMP measures the relevant configuration information of collection can inform UE with unicast info; Perhaps concentrate respective cell only to concentrate the sequence number that occurs to represent in cooperation, need not to use its corresponding Cell ID, thereby information overhead is sent in saving with it in measurement.
Wherein, cooperation collection configuration information comprises: Cell ID.Measuring the collection configuration information comprises: Cell ID or Cell ID corresponding sequence number, measuring period etc.
After UE receives cooperation collection information, can preserve a cooperation collection cell information in this locality and tabulate, and upgrade and should cooperation collect cell list according to the cooperation collection information real-time that send the base station, content can comprise cell ID.UE can be according to the adjacent cell list that receives, and selects the sub-district that wherein belonging to the cooperation collection and measures and feed back its channel condition information, and the cooperation emission of business datum is then carried out in the base station according to the channel condition information of UE feedback.
The base station also can be measured collection and send to UE based on the channel condition information adjustment of UE feedback, and UE carries out measurement of cooperation cell channel status and feedback with the configuration information of reference measure collection.
Describe below in conjunction with the method for sending and receiving of accompanying drawing the multipoint cooperative information of the present invention's proposition.
Embodiment one
When CoMP cooperation set pair UE was transparent, UE was following to the handling process of measuring and feed back from receiving measurement collection information:
Step 101: the CoMP that this UE is confirmed based on the configuration and the UE present position of cooperation collection in the base station measures collection;
Step 102: the base station is sent and is measured collection information to UE;
The base station is sent through mode of unicast and is measured collection information, particularly, can pass through the RRC reallocation message, also can be that other message are carried said measurement collection information, and said other message can be newly-increased cooperation collection measuring message.
Step 103:UE receives and decodes to measure after the collection information corresponding sub-district is carried out channel measurement, calculating channel information and selected all or part of cell channel state information according to certain rule, with implicit expression or explicit way feedback;
Whether step 104: the base station receives the UE feedback information, whether UE is carried out the multipoint cooperative emission according to the feedback information decision, and adjust measuring set content, afterwards according to some cycles repeating step 102.
In step 102; CoMP measures collection information and can occur in the form with measConfigCoMP IE (information element, information unit) in RRC connection reprovision (RRCConnection Reconfiguration) message, and its content can comprise cell ID and measuring period; CoMP measures collection information if not periodically send; Only then measure in the collection information and need comprise cell ID, concrete form is following, and wherein italicized item is used to carry the collection information of measuring:
--ASN1START
RRCConnectionReconfiguration::＝SEQUENCE{
measConfig?MeasConfig?OPTIONAL，--Need?ON
mobilityControlInfo?MobilityControlInfo?OPTIONAL，--Cond?HO
dedicatedInfoNASList?SEQUENCE(SIZE(1..maxDRB))OF
DedicatedInfoNAS?OPTIONAL，--Cond?nonHO
radioResourceConfigDedicated?RadioResourceConfigDedicatedOPTIONAL，--Cond?HO-toEUTRA
securityConfigHO?SecurityConfigHO?OPTIONAL，--Cond?HO
nonCrilicalExtension-v9x0?RRCConnectionReconfiguration-v9x0-IEsOPTIONAL--Need?ON
}
}
--ASN1STOP
Embodiment two
As shown in Figure 2, for the base station of CoMP cooperation centralized procurement with the non-transparent transmission mode, UE is following from the handling process that receives cooperation collection information, measurement collection information, measurement and feedback:
Step 201: CoMP cooperation collection information is sent with broadcasting or clean culture form in the base station;
Step 202:UE concentrates all cell channel state parameters that comprise to measure and calculate to cooperating after receiving CoMP cooperation collection information;
Step 203:UE feeds back the cell channel state information that measures with implicit expression or explicit way;
Step 204: the base station receives the cell channel state information of UE feedback, whether UE is carried out the multipoint cooperative emission according to the feedback information decision; If the base station decision is not carried out the multipoint cooperative emission to UE, then when setting cycle arrives, return step 201; If the base station decision is carried out the multipoint cooperative emission to UE, then execution in step 205;
Step 205:, then need further confirm relevant information and transmissions such as cooperation mode and measurement collection if the base station determines UE is carried out the multipoint cooperative emission;
Step 206:UE receives and measures collection information, and corresponding cell channel state parameter is measured and calculated; UE returns step 203 after accomplishing and measuring.
Wherein, for the cooperation of the CoMP in the step 201 collection, can be used as system information and send through SystemInformationBlockTypeX IE, be specially and in CoMPCooperationCellList, carry cell identification list, form is following:
--ASN1START
SystemInformationBlockTypeX?information?element
SystemInformationBlockTypeX::＝SEQUENCE{
CoMPCooperationCellList CoMPCooperationCellList?OPTIONAL，--Need?OR
...
}
CoMPCooperationCellList::＝SEQUENCE{
physCellId?PhysCellId，
}
PhysCellId::＝INTEGER(0..127)
--ASN1STOP
Measure collection for the CoMP in the step 205; Can be with measConfigCoMP IE (information element in RRC reprovision (RRC Connection Reconfiguration) message; Information unit) form occurs; Its content comprises sub-district sequence number and measuring period, and concrete form is following:
--ASN1START
RRCConnectionReconfiguration::＝SEQUENCE{
measConfig?MeasConfig?OPTIONAL，--Need?ON
mobilityControlInfo?MobilityControlInfo?OPTIONAL，--Cond?HO
dedicatedInfoNASList?SEQUENCE(SIZE(1..maxDRB))OF
DedicatedInfoNAS?OPTIONAL，--Cond?nonHO
radioResourceConfigDedicated?RadioResourceConfigDedicatedOPTIONAL，--Cond?HO-toEUTRA
securityConfigHO?SecurityConfigHO?OPTIONAL，--Cond?HO
nonCriticalExtension-v9x0?RRCConnectionReconfiguration-v9x0-IEsOPTIONAL--Need?ON
measConfigCoMP MeasConfigCoMP ?OPTIONAL，--Need?ON
}
MeasConfigCoMP::＝SEQUENCE{
physCellNoId?PhysCellNoId?OPTIONAL，--Need?ON
measObjectPeriod?MeasObjectPeriod?OPTIONAL，--Need?ON
}
--ASN1STOP
Embodiment three
As shown in Figure 3, for the base station of CoMP cooperation centralized procurement with the non-transparent transmission mode, UE is following from the handling process that receives cooperation collection information, measurement collection information, measurement and feedback:
Step 301: CoMP cooperation collection information is sent with broadcasting or clean culture form in the base station;
After step 302:UE received CoMP cooperation collection information, the corresponding channel state parameter of selecting wherein to appear in the adjacent cell list in sub-district was measured and is calculated;
Step 303:UE is according to the measurement parameter that obtains, with implicit expression or explicit way feeding back channel state information to the base station;
Step 304: the base station receives the cell channel state information of UE feedback, whether UE is carried out the multipoint cooperative emission according to the feedback information decision; If the base station decision is not carried out the multipoint cooperative emission to UE, then when setting cycle arrives, return step 301; If the base station decision is carried out the multipoint cooperative emission to UE, then execution in step 305;
Step 305:, then need further confirm relevant information and transmissions such as cooperation mode and measurement collection if the base station determines UE is carried out the multipoint cooperative emission;
Step 306:UE receives and measures collection information, and corresponding cell channel state parameter is measured and calculated; UE accomplishes measurement and feeds back the channel condition information that obtains, and returns step 304.
Adopt the present invention, the base station can the relevant cooperative system information of transparent or nontransparent transmission; After obtaining these system informations, UE can measure and feed back accordingly, and finally the cooperation through base station/minizone improves system throughput, and enhanced system is in the covering of cell edge.
Claims (14)
1. a multipoint cooperative processing method is characterized in that,
When multipoint cooperative transmission (CoMP) set pair subscriber equipment is transparent, comprising:
The measurement collection of said subscriber equipment is confirmed in the base station, and said measurement collection is sent to said subscriber equipment;
Said subscriber equipment receives said measurement collection information, and channel measurement is carried out in the sub-district that said measurement is concentrated, feeding back channel state information to said base station;
Whether said base station carries out the multipoint cooperative emission to said subscriber equipment according to the channel condition information decision of said subscriber equipment feedback.
2. the method for claim 1 is characterized in that, said measurement collection information is sent through mode of unicast in said base station.
3. method as claimed in claim 2 is characterized in that, said subscriber equipment feeding back channel state information comprises:
Said subscriber equipment is selected according to preset rules to feed back behind the channel condition information of part or all of sub-district.
4. the method for claim 1 is characterized in that, comprises cell ID in the said measurement collection information, perhaps comprises cell ID and measuring period.
5. the method for claim 1 is characterized in that, said measurement collection information is periodically sent in said base station, perhaps, satisfies pre-conditioned back and sends said measurement collection information.
6. a multipoint cooperative processing method is characterized in that, when multipoint cooperative transmission (CoMP) set pair subscriber equipment is opaque, comprising:
Cooperation collection information is sent to subscriber equipment in the base station;
Subscriber equipment receives said cooperation collection information, all or part of sub-district that said cooperation is concentrated is measured feeding back channel state information to said base station;
Whether the base station carries out the multipoint cooperative emission to said subscriber equipment according to the channel condition information decision of said subscriber equipment feedback.
7. method as claimed in claim 6 is characterized in that, said method also comprises:
When the decision of said base station is carried out the multipoint cooperative emission to said subscriber equipment, send and measure collection information to said subscriber equipment;
Said subscriber equipment receives said measurement collection information, and channel measurement is carried out in all sub-districts that said measurement is concentrated, feeding back channel state information to said base station.
8. method as claimed in claim 6 is characterized in that,
The all or part of sub-district measurement that subscriber equipment is concentrated said cooperation comprises: said subscriber equipment selects said cooperation to concentrate the sub-district that appears in the adjacent cell list to measure; Perhaps, said subscriber equipment is directly measured whole sub-districts that said cooperation is concentrated.
9. method as claimed in claim 7 is characterized in that,
Said cooperation collection information is sent through clean culture or broadcast mode in said base station, sends said measurement collection information through mode of unicast.
10. method as claimed in claim 7 is characterized in that,
When said measurement collection information is sent in said base station, said measurement concentrated with said cooperation concentrate the sequence number of identical sub-district its appearance in said cooperation collection information of use to represent.
11. method as claimed in claim 6 is characterized in that,
Said cooperation collection information is periodically sent in said base station.
12. a multipoint cooperative treatment system is characterized in that said system comprises base station and subscriber equipment, wherein:
Said base station is used for confirming the measurement collection of subscriber equipment said measurement collection being sent to said subscriber equipment; And, whether said subscriber equipment is carried out the multipoint cooperative emission according to the channel condition information decision of said subscriber equipment feedback;
Said subscriber equipment is used to receive said measurement collection information, and channel measurement is carried out in the sub-district that said measurement is concentrated, feeding back channel state information to said base station.
13. a multipoint cooperative treatment system is characterized in that said system comprises base station and subscriber equipment, wherein:
Said base station is used for sending cooperation collection information to subscriber equipment; And, whether said subscriber equipment is carried out the multipoint cooperative emission according to the channel condition information decision of said subscriber equipment feedback;
Said subscriber equipment is used to receive said cooperation collection information, all or part of sub-district that said cooperation is concentrated is measured feeding back channel state information to said base station.
14. system as claimed in claim 13 is characterized in that,
Said base station also is used for decision said subscriber equipment is carried out multipoint cooperative when emission, sends and measures collection information to said subscriber equipment;
Said subscriber equipment also is used to receive said measurement collection information, and channel measurement is carried out in all sub-districts that said measurement is concentrated, feeding back channel state information to said base station.
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|---|---|---|---|
| CN2010105268738A CN102457886A (en) | 2010-10-29 | 2010-10-29 | Multi-point coordinated processing method and system |
| PCT/CN2011/078756 WO2012055284A1 (en) | 2010-10-29 | 2011-08-23 | Method and system for coordinated multi-point processing |
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| CN2010105268738A CN102457886A (en) | 2010-10-29 | 2010-10-29 | Multi-point coordinated processing method and system |
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| CN103546207A (en) * | 2012-07-09 | 2014-01-29 | 中兴通讯股份有限公司 | Channel State Indication-Reference Signal (CSI-RS) acquisition and reporting method and device |
| CN104349481A (en) * | 2013-08-06 | 2015-02-11 | 上海贝尔股份有限公司 | Method and device for resource allocation in radio communication system |
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| US11546787B2 (en) | 2012-05-09 | 2023-01-03 | Samsung Electronics Co., Ltd. | CSI definitions and feedback modes for coordinated multi-point transmission |
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| US20100203887A1 (en) * | 2009-02-10 | 2010-08-12 | Kim Hakscong | Method and apparatus for coordinated multiple point transmission and reception |
| CN101848485A (en) * | 2009-03-24 | 2010-09-29 | 大唐移动通信设备有限公司 | Method and device for indicating terminal to report measurement information |
| CN101873661A (en) * | 2009-04-27 | 2010-10-27 | 大唐移动通信设备有限公司 | Method, system and terminal for determining coordinate district in CoMP system |
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| WO2013020445A1 (en) * | 2011-08-05 | 2013-02-14 | 电信科学技术研究院 | Method, system and device for configuring and reporting measurement information |
| CN103546207A (en) * | 2012-07-09 | 2014-01-29 | 中兴通讯股份有限公司 | Channel State Indication-Reference Signal (CSI-RS) acquisition and reporting method and device |
| CN103546207B (en) * | 2012-07-09 | 2018-10-16 | 中兴通讯股份有限公司 | CSI-RS acquisitions, CSI-RS report methods and device |
| CN104349481A (en) * | 2013-08-06 | 2015-02-11 | 上海贝尔股份有限公司 | Method and device for resource allocation in radio communication system |
| CN104349481B (en) * | 2013-08-06 | 2019-04-09 | 上海诺基亚贝尔股份有限公司 | Resource allocation methods and equipment in wireless communication system |
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| WO2012055284A1 (en) | 2012-05-03 |
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