CN101938345A - Collaborative multiple point transmitting/receiving feedback method - Google Patents
Collaborative multiple point transmitting/receiving feedback method Download PDFInfo
- Publication number
- CN101938345A CN101938345A CN2010102733278A CN201010273327A CN101938345A CN 101938345 A CN101938345 A CN 101938345A CN 2010102733278 A CN2010102733278 A CN 2010102733278A CN 201010273327 A CN201010273327 A CN 201010273327A CN 101938345 A CN101938345 A CN 101938345A
- Authority
- CN
- China
- Prior art keywords
- feedback
- comp
- different
- base station
- feedback information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a collaborative multiple point transmitting/receiving feedback method. The method comprises the following steps of: setting a plurality of collaborative multiple point transmitting/receiving (CoMP) style sets through the negotiation among base stations, wherein each style set comprises collaborative base stations of different numbers so as to meet performance requirements under different wireless communication environments; and setting different trigger threshold values for the different styles of the CoMP by using the base stations and triggering different styles of the CoMP through different threshold values. Compared with the prior art, the method has the advantages of small inter-cell interference, obviously increased cell edge throughput and peak rate, namely average cell throughput, and small waste of space resources.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of coordinate multipoint and send the feedback method that receives.
Background technology
In follow-on broadband wireless communication network, minizone user terminal throughput and average user terminal throughput, the particularly throughput of Cell Edge User terminal and peak rate are key issues and are faced with formidable challenges in the solution cordless communication network.
At present, (Collaborative Multiple Point, method CoMP) solves this problem all to propose to adopt multipoint cooperative transmission/reception in IEEE 802.16j, IMT-Advanced, WINNER.
The basic conception of CoMP transmission/reception is uniting between the base station (BS) of a plurality of cooperations on identical Radio Resource and the sole user's terminal (UT, User Equipment) to send and receive.Two essential characteristics are arranged:
(1) each UT can cooperate by a plurality of BS federated service by BS on identical Radio Resource.By such way, presence of intercell interference can be alleviated, or changes into useful signal power.
(2) each BS can serve a plurality of UT on identical Radio Resource.By such way.All sector throughput are enhanced.
But in CoMP transmission/reception implementation process, using identical resource in a plurality of BS of cooperation is a UT service, can cause the waste of resource; In having the up link of presence of intercell interference,, may cause serious presence of intercell interference, and then cell edge throughput, peak rate and average cell throughout are significantly reduced when selecting the while when the UT of cell edge carries out CoMP transmission/reception.
Summary of the invention
The objective of the invention is for addressing the above problem, and the feedback method of a kind of coordinate multipoint transmission/acceptance that proposes.
For achieving the above object, the present invention proposes a kind of feedback method of coordinate multipoint transmission/reception, it is characterized in that: the pattern set of a plurality of multipoint cooperative transmission/reception CoMP is set by the negotiation between the base station, comprise that the cooperative base station of varying number is to satisfy the performance requirement under the different wireless communication environmental condition in each pattern set, simultaneously, for the different patterns of CoMP are provided with different activation threshold values, and trigger different CoMP patterns in the base station by different threshold values.
Further, for different CoMP patterns, be divided into independent feedback and the CoMP pattern subclass of uniting feedback.
Further, the performance requirement under the described different wireless communication environmental condition comprises throughput, peak data rate.
Further, common feedack among CoMP and the non-CoMP is at first determined in described base station, determines both specific feedback information simultaneously.
Further, user side is measured the disturbance regime of himself and is reported to the base station, and the mode of feedback information is determined in the base station according to the index of user side.
Further, the mode of described feedback information comprises independent feedback, and described independent feedback is meant that all information comprises all feedbacks respectively of the common feedback information of CoMP and non-CoMP and specific feedback information.
Further, the mode of described feedback information comprises the associating feedback, and the described feedback of uniting is meant simultaneously feedback information to different CoMP cooperation points or a plurality of base stations among the non-CoMP.
Further, the mode of described feedback information comprises combination feedback, and described combination feedback is meant and is used in combination independent feedback, unites feedback.
Further, the feedback system of information is determined in described base station, supports different feedback systems for CoMP, non-CoMP.
Further, feedback system is determined according to the interference and the performance requirement of user side in described base station, can adopt different feedback systems for common feedback information respectively with specific feedback information.
Compared with prior art, presence of intercell interference is little, and cell edge throughput, peak rate are that average cell throughout obviously increases, and the space resources waste is little.
Description of drawings
Fig. 1 is the new coordinate multipoint cooperation transmission/method of reseptance realization flow figure that the present invention is based on the base station grouping.
Embodiment
The present invention relates to cordless communication network, be particularly related under the multipoint cooperative transmission/reception, the pattern set of a plurality of multipoint cooperative transmission/receptions is set by the negotiation between the BS, comprise that the cooperation BS of varying number is to satisfy performance requirements such as throughput, peak data rate under the different wireless communication environmental condition in each pattern set, simultaneously, for the different patterns of CoMP are provided with different activation threshold values, passing threshold triggers different CoMP patterns among the BS.In order to simplify the expense of feedack and effective reduction system, while is for the operation of compatible CoMP and non-CoMP, for different CoMP patterns, further be divided into independent feedback and the CoMP pattern subclass of uniting feedback again, feedback for the information of carrying out, BS at first determines common feedack among CoMP and the non-CoMP, determine both specific feedback information simultaneously, secondly, consider Inter-Cell Interference Coordination, UE measures the disturbance regime of himself etc. and is reported to BS, and BS is according to the disturbance regime of UE, indexs such as performance requirement are determined the mode of feedback information, comprise independent feedback, the associating feedback, combination feedback system etc.Separately feedback is meant that all information comprises that the common feedback information of CoMP and non-CoMP and specific feedback information all feeds back respectively, uniting feedback is meant simultaneously feedback information to different CoMP cooperation points or a plurality of BS among the non-CoMP, the combination feedback is meant disturbance regime, the performance requirement of considering UE, be used in combination independent feedback, unite feedback, that is, consider common information and specific information are adopted feedback and the compound mode of uniting feedback separately.By new feedback method, considered the compatibility of CoMP and non-CoMP feedback information, simultaneously, in feedback system, be provided with three kinds of optional modes, more flexible, considered interference and the performance requirement of UE, combined, reached better compromise between feedback overhead and the performance gain with different feedback system.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, for the new coordinate multipoint cooperation of the embodiment of the invention sends and receive feedback method realization flow figure, the specific implementation process is as follows:
Each subclass that step S101:BS is provided with in the pattern set of CoMP transmission/reception is corresponding with the different UT performance that can reach;
Step S102:BS selects the trigger condition of CoMP transmission/reception, and determines the activation threshold value of different subclass in the pattern set according to trigger condition;
Step S103:BS determines that the BS of CoMP participating transmission/reception selects threshold value;
Step S104:BS determines that according to trigger condition the CoMP of UT sends the pattern that receives;
Step S105:UT measures presence of intercell interference, and reports BS;
Presence of intercell interference and selection threshold comparison that step S106:BS measures UT, and the BS of definite CoMP participating transmission/reception;
Step S107:BS determines the common feedback information of CoMP and non-CoMP;
Step S108:BS determines the specific feedback information of CoMP and non-CoMP;
Step S109:BS determines the feedback system of information;
Step S110:BS determines feedback system according to interference and the performance requirement of UE.
Can support different feedback systems for CoMP, non-CoMP, that is, CoMP can support three kinds of feedback systems that all are above-mentioned, and simultaneously for non-CoMP can support three kinds also can be wherein the part feedback system, vice versa.That is to say that CoMP can adopt different feedback systems with non-CoMP, also can be identical.
Can adopt different feedback systems for common feedback information respectively with specific feedback information, the resource that common feedback information takies is few, the feedback overhead that causes is little, and specific feedback information can take more resources, cause more feedback overhead, therefore, satisfy under the situation of performance requirement in effective reduction interference, the choose reasonable feedback system can make and reach better compromise between feedback overhead and the performance gain.
Described above only is preferred embodiments of the present invention; certainly can not limit interest field of the present invention with this; therefore; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the feedback method of a coordinate multipoint transmission/reception, it is characterized in that: the pattern set of a plurality of multipoint cooperative transmission/reception CoMP is set by the negotiation between the base station, comprise that the cooperative base station of varying number is to satisfy the performance requirement under the different wireless communication environmental condition in each pattern set, simultaneously, for the different patterns of CoMP are provided with different activation threshold values, and trigger different CoMP patterns in the base station by different threshold values.
2. the method for claim 1 is characterized in that: for different CoMP patterns, be divided into independent feedback and the CoMP pattern subclass of uniting feedback.
3. the method for claim 1, it is characterized in that: the performance requirement under the described different wireless communication environmental condition comprises throughput, peak data rate.
4. method as claimed in claim 2 is characterized in that: common feedack among CoMP and the non-CoMP is at first determined in described base station, determines both specific feedback information simultaneously.
5. method as claimed in claim 3 is characterized in that: user side is measured the disturbance regime of himself and is reported to the base station, and the mode of feedback information is determined in the base station according to the index of user side.
6. method as claimed in claim 5 is characterized in that: the mode of described feedback information comprises independent feedback, and described independent feedback is meant that all information comprises all feedbacks respectively of the common feedback information of CoMP and non-CoMP and specific feedback information.
7. method as claimed in claim 5 is characterized in that: the mode of described feedback information comprises the associating feedback, and the described feedback of uniting is meant simultaneously feedback information to different CoMP cooperation points or a plurality of base stations among the non-CoMP.
8. method as claimed in claim 5 is characterized in that: the mode of described feedback information comprises combination feedback, and described combination feedback is meant and is used in combination independent feedback, unites feedback.
9. method as claimed in claim 5 is characterized in that: the feedback system of information is determined in described base station, supports different feedback systems for CoMP, non-CoMP.
10. method as claimed in claim 9 is characterized in that: feedback system is determined according to the interference and the performance requirement of user side in described base station, can adopt different feedback systems for common feedback information respectively with specific feedback information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102733278A CN101938345A (en) | 2010-09-03 | 2010-09-03 | Collaborative multiple point transmitting/receiving feedback method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102733278A CN101938345A (en) | 2010-09-03 | 2010-09-03 | Collaborative multiple point transmitting/receiving feedback method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101938345A true CN101938345A (en) | 2011-01-05 |
Family
ID=43391495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102733278A Pending CN101938345A (en) | 2010-09-03 | 2010-09-03 | Collaborative multiple point transmitting/receiving feedback method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101938345A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013166710A1 (en) * | 2012-05-11 | 2013-11-14 | 富士通株式会社 | Information feedback method, user equipment and base station for coordinated multi-point |
| CN103795506A (en) * | 2012-10-30 | 2014-05-14 | 英特尔移动通信有限责任公司 | Methods and circuits for determining feedback information |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442808A (en) * | 2008-12-26 | 2009-05-27 | 西安电子科技大学 | United scheduling method for ascending multi-point collaboration in LTE-A |
| US20100027456A1 (en) * | 2008-08-01 | 2010-02-04 | Texas Instruments Incorporated | Network mimo reporting, control signaling and transmission |
| CN101820631A (en) * | 2009-02-27 | 2010-09-01 | 中国移动通信集团公司 | Method for performing coordinated scheduling among base stations in mobile communication system and base stations |
-
2010
- 2010-09-03 CN CN2010102733278A patent/CN101938345A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100027456A1 (en) * | 2008-08-01 | 2010-02-04 | Texas Instruments Incorporated | Network mimo reporting, control signaling and transmission |
| CN101442808A (en) * | 2008-12-26 | 2009-05-27 | 西安电子科技大学 | United scheduling method for ascending multi-point collaboration in LTE-A |
| CN101820631A (en) * | 2009-02-27 | 2010-09-01 | 中国移动通信集团公司 | Method for performing coordinated scheduling among base stations in mobile communication system and base stations |
Non-Patent Citations (2)
| Title |
|---|
| QUALCOMM EUROPE: "CoMP email summary", 《3GPP TSG-RAN WG1 #57BIS》 * |
| SAMSUNG: "CoMP Operational Mode Feedback Discussions", 《3GPP TSG RAN WG1 MEETING #57》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013166710A1 (en) * | 2012-05-11 | 2013-11-14 | 富士通株式会社 | Information feedback method, user equipment and base station for coordinated multi-point |
| CN103795506A (en) * | 2012-10-30 | 2014-05-14 | 英特尔移动通信有限责任公司 | Methods and circuits for determining feedback information |
| CN103795506B (en) * | 2012-10-30 | 2017-10-27 | 英特尔德国有限责任公司 | Method and circuit for determining feedback information |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104105158B (en) | A kind of relay selection method based on D2D trunking traffics | |
| US9900816B2 (en) | Method, device and system for cell reselection | |
| CN101873675B (en) | A kind of sending method of multi-point cooperative transmission cooperative group information and base station | |
| CN103024914B (en) | Cross-layer design method for downlink resources in D2D (device-to-device) technology sharing system | |
| CN101583194B (en) | Resource allocation method based on the cooperation between base stations of virtual subdistrict and system thereof | |
| CN102098091B (en) | Self-adaptive switching method of multi-cell cooperative downward transmission modes | |
| JP2013516799A (en) | Downlink multi-antenna multi-base station interference coordination method and base station | |
| CN102598524A (en) | Method and system for transceiving group-specific information in a coordinated multi-antenna transceiver system | |
| US11172414B2 (en) | Coordinated cell determining method and network device | |
| CN103684715A (en) | Relay based D2D (Device to Device) cluster cooperative retransmission method and device | |
| CN102820954A (en) | Method for reducing inter-cell interference of heterogeneous network | |
| CN110024462A (en) | Transmitting device, method and communication system based on dynamic Time Division duplex | |
| US8649796B2 (en) | Method and device for determining a cooperation area | |
| WO2013099218A1 (en) | Protected subframe in presence of multiple different abs patterns | |
| CN101997581A (en) | Multi-point collaboration processing method and device | |
| CN101938345A (en) | Collaborative multiple point transmitting/receiving feedback method | |
| Eluwole et al. | Coordinated multipoint power consumption modeling for energy efficiency assessment in LTE/LTE-advanced cellular networks | |
| CN101965060A (en) | Method for coordinated multi-point transmission and reception and corresponding base station | |
| CN102137517B (en) | Method and system for realizing collaborative multiple point (CoMP) data transmission/reception | |
| CN101931436A (en) | Method and device for joint transmission of downlink multiple cells and multiple users | |
| CN102083124B (en) | Method and system for dynamically feeding back system information sent and received by CoMP (Cooperation Multi-Point) | |
| CN102111840B (en) | Base station clustering method under multi-point collaboration in wireless communication | |
| CN101951275B (en) | Cell co-frequency networking method combining IDMA and OVCDMA | |
| CN110049452A (en) | Novel two stages based on NOMA cooperate Multicast Scheme | |
| CN106130609A (en) | A kind of cooperation enforcement transmission method of multibeam communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110105 |