CN102130708A - 多小区信道状态信息的反馈方法和用户设备 - Google Patents
多小区信道状态信息的反馈方法和用户设备 Download PDFInfo
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- CN102130708A CN102130708A CN2010100048125A CN201010004812A CN102130708A CN 102130708 A CN102130708 A CN 102130708A CN 2010100048125 A CN2010100048125 A CN 2010100048125A CN 201010004812 A CN201010004812 A CN 201010004812A CN 102130708 A CN102130708 A CN 102130708A
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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
- H04B7/0658—Feedback reduction
-
- 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
- H04B7/0636—Feedback format
- H04B7/0645—Variable feedback
- H04B7/065—Variable contents, e.g. long-term or short-short
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (13)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010004812.5A CN102130708B (zh) | 2010-01-15 | 2010-01-15 | 多小区信道状态信息的反馈方法和用户设备 |
PCT/CN2011/070312 WO2011085694A1 (zh) | 2010-01-15 | 2011-01-17 | 多小区信道状态信息的反馈方法和用户设备 |
EP11732684A EP2506449A4 (en) | 2010-01-15 | 2011-01-17 | FEEDBACK METHOD FOR MULTI-CELL CHANNEL STATUS INFORMATION AND USER DEVICE THEREFOR |
US13/546,942 US8693441B2 (en) | 2010-01-15 | 2012-07-11 | Method and user equipment for feeding back multi-cell channel state information |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010004812.5A CN102130708B (zh) | 2010-01-15 | 2010-01-15 | 多小区信道状态信息的反馈方法和用户设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102130708A true CN102130708A (zh) | 2011-07-20 |
CN102130708B CN102130708B (zh) | 2014-04-30 |
Family
ID=44268611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010004812.5A Expired - Fee Related CN102130708B (zh) | 2010-01-15 | 2010-01-15 | 多小区信道状态信息的反馈方法和用户设备 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8693441B2 (zh) |
EP (1) | EP2506449A4 (zh) |
CN (1) | CN102130708B (zh) |
WO (1) | WO2011085694A1 (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103117787A (zh) * | 2013-01-29 | 2013-05-22 | 北京邮电大学 | 一种协同多天线系统中的自适应比特分配方法及装置 |
CN103427887A (zh) * | 2012-05-22 | 2013-12-04 | 夏普株式会社 | 信道状态信息反馈方法与用户设备 |
CN106105051A (zh) * | 2014-03-19 | 2016-11-09 | 日本电气株式会社 | 用于协同多点传输和接收(CoMP)的信令 |
CN108112030A (zh) * | 2017-08-11 | 2018-06-01 | 中兴通讯股份有限公司 | 信息上报的触发方法和装置、信号的选择方法和装置 |
CN109757127A (zh) * | 2017-09-08 | 2019-05-14 | Lg电子株式会社 | 用于在无线通信系统中报告信道状态信息的方法及其装置 |
US10616880B2 (en) | 2014-03-19 | 2020-04-07 | Nec Corporation | Signalling for coordinated multi-point transmission and reception (CoMP) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102377527B (zh) * | 2010-08-09 | 2014-12-24 | 上海贝尔股份有限公司 | 一种降低多小区反馈开销的方法和装置 |
WO2012028205A1 (en) * | 2010-09-03 | 2012-03-08 | Fujitsu Limited | Channel state feedback for multi-cell mimo |
CN102957470B (zh) * | 2011-08-16 | 2016-04-06 | 上海贝尔股份有限公司 | 无线通信中的信道反馈的方法和设备 |
SG196763A1 (en) | 2012-08-03 | 2014-02-13 | Agency Science Tech & Res | A method for determining precoding matrixes for communication and a system therefrom |
WO2018028687A1 (zh) * | 2016-08-11 | 2018-02-15 | 华为技术有限公司 | 一种信道状态反馈的方法及装置 |
CN107743042A (zh) * | 2016-08-11 | 2018-02-27 | 华为技术有限公司 | 一种信道状态反馈的方法及装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101257367A (zh) * | 2007-02-28 | 2008-09-03 | 皇家飞利浦电子股份有限公司 | 选择预编码的方法和装置 |
CN101272596A (zh) * | 2007-03-20 | 2008-09-24 | 中兴通讯股份有限公司 | 一种增强上行链路实现无线网络控制器间切换的方法 |
CN101442711A (zh) * | 2007-11-20 | 2009-05-27 | 中兴通讯股份有限公司 | 用户设备反馈多媒体广播多播业务信息的方法 |
Family Cites Families (13)
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FI980035A (fi) * | 1998-01-09 | 1999-07-10 | Nokia Networks Oy | Menetelmä antennikeilan suuntaamiseksi ja lähetinvastaanotin |
US7139324B1 (en) * | 2000-06-02 | 2006-11-21 | Nokia Networks Oy | Closed loop feedback system for improved down link performance |
US8116253B2 (en) * | 2002-10-08 | 2012-02-14 | Qualcomm Incorporated | Controlling forward and reverse link traffic channel power |
TWI375418B (en) * | 2004-10-20 | 2012-10-21 | Koninkl Philips Electronics Nv | A system and method for dynamic adaptation of data rate and transmit power with a beaconing protocol |
EP1851914A1 (en) * | 2005-02-25 | 2007-11-07 | NTT DoCoMo Inc. | Receiver and transmitter for a network having a non-centralized medium access control |
CN101379766B (zh) * | 2006-03-29 | 2011-12-14 | 株式会社日立制作所 | 宽带无线通信中的资源分配方法、基站装置以及终端装置 |
KR101231357B1 (ko) | 2006-04-06 | 2013-02-07 | 엘지전자 주식회사 | 다중 안테나 시스템에서 채널 상태 정보 귀환 방법 및데이터 송신 방법 |
KR20080041096A (ko) * | 2007-03-13 | 2008-05-09 | 엘지전자 주식회사 | 무선 통신 시스템에서 피드백 정보를 이용한 링크 적응방법 |
KR100991794B1 (ko) * | 2007-12-31 | 2010-11-03 | 엘지전자 주식회사 | 셀간 간섭 감소 방법 |
KR101476202B1 (ko) * | 2008-01-08 | 2014-12-24 | 엘지전자 주식회사 | 주기적/비주기적 채널상태정보 송수신 방법 |
CN101309520B (zh) * | 2008-06-26 | 2011-05-11 | 中兴通讯股份有限公司 | 一种承载公共控制信道数据的方法及装置 |
KR101241910B1 (ko) * | 2008-07-07 | 2013-03-12 | 엘지전자 주식회사 | 다중 셀 환경에서 사운딩 채널을 이용한 협력적 mimo 기법 |
US9112562B2 (en) * | 2008-09-02 | 2015-08-18 | Intel Corporation | Techniques utilizing adaptive codebooks for beamforming in wireless networks |
-
2010
- 2010-01-15 CN CN201010004812.5A patent/CN102130708B/zh not_active Expired - Fee Related
-
2011
- 2011-01-17 EP EP11732684A patent/EP2506449A4/en not_active Withdrawn
- 2011-01-17 WO PCT/CN2011/070312 patent/WO2011085694A1/zh active Application Filing
-
2012
- 2012-07-11 US US13/546,942 patent/US8693441B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101257367A (zh) * | 2007-02-28 | 2008-09-03 | 皇家飞利浦电子股份有限公司 | 选择预编码的方法和装置 |
CN101272596A (zh) * | 2007-03-20 | 2008-09-24 | 中兴通讯股份有限公司 | 一种增强上行链路实现无线网络控制器间切换的方法 |
CN101442711A (zh) * | 2007-11-20 | 2009-05-27 | 中兴通讯股份有限公司 | 用户设备反馈多媒体广播多播业务信息的方法 |
Non-Patent Citations (2)
Title |
---|
HUAWEI: "Feedback framework consideration for single cell MIMO", 《3GPP TSG RAN WG1 MEETING #59 R1-094713》 * |
HUAWEI: "Hierarchical Feedback Scheme from Single–cell MIMO to Multi-cell MIMO", 《3GPP TSG RAN WG1 MEETING #59 R1-094714》 * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103427887A (zh) * | 2012-05-22 | 2013-12-04 | 夏普株式会社 | 信道状态信息反馈方法与用户设备 |
CN103427887B (zh) * | 2012-05-22 | 2018-07-17 | 夏普株式会社 | 由用户设备执行的信道状态信息反馈方法以及用户设备 |
CN103117787A (zh) * | 2013-01-29 | 2013-05-22 | 北京邮电大学 | 一种协同多天线系统中的自适应比特分配方法及装置 |
CN106105051A (zh) * | 2014-03-19 | 2016-11-09 | 日本电气株式会社 | 用于协同多点传输和接收(CoMP)的信令 |
US10616880B2 (en) | 2014-03-19 | 2020-04-07 | Nec Corporation | Signalling for coordinated multi-point transmission and reception (CoMP) |
CN108112030A (zh) * | 2017-08-11 | 2018-06-01 | 中兴通讯股份有限公司 | 信息上报的触发方法和装置、信号的选择方法和装置 |
CN108112030B (zh) * | 2017-08-11 | 2022-06-07 | 中兴通讯股份有限公司 | 信息上报的触发方法和装置、信号的选择方法和装置 |
CN109757127A (zh) * | 2017-09-08 | 2019-05-14 | Lg电子株式会社 | 用于在无线通信系统中报告信道状态信息的方法及其装置 |
CN109757127B (zh) * | 2017-09-08 | 2022-05-03 | Lg电子株式会社 | 用于在无线通信系统中报告信道状态信息的方法及其装置 |
US11616549B2 (en) | 2017-09-08 | 2023-03-28 | Lg Electronics Inc. | Method for reporting channel state information in wireless communication system and apparatus therefor |
Also Published As
Publication number | Publication date |
---|---|
EP2506449A4 (en) | 2013-02-27 |
CN102130708B (zh) | 2014-04-30 |
WO2011085694A1 (zh) | 2011-07-21 |
EP2506449A1 (en) | 2012-10-03 |
US20120275420A1 (en) | 2012-11-01 |
US8693441B2 (en) | 2014-04-08 |
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Owner name: BEIJING ZHONGCAI WYSE EDUCATION TECHNOLOGY CO., LT Free format text: FORMER OWNER: HUAWEI TECHNOLOGY CO., LTD. Effective date: 20141115 Owner name: NANTONG TONGZHOU XINZHIHAO INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: BEIJING ZHONGCAI WYSE EDUCATION TECHNOLOGY CO., LTD. Effective date: 20141115 |
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Free format text: CORRECT: ADDRESS; FROM: 518129 SHENZHEN, GUANGDONG PROVINCE TO: 100083 HAIDIAN, BEIJING Free format text: CORRECT: ADDRESS; FROM: 100083 HAIDIAN, BEIJING TO: 226314 NANTONG, JIANGSU PROVINCE |
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Effective date of registration: 20141115 Address after: 226314 Jiangsu city of Nantong province Tongzhou District Chuan Jiang Zhen Zhi Hao Market Patentee after: Tongzhou District Nantong Xin Hao Industrial Co.,Ltd. Address before: 100083 Beijing City, Haidian District Zhongguancun Road No. 18 smartfortune International Building B706 Patentee before: Beijing Zhongcai Wyse Education Technology Co.,Ltd. Effective date of registration: 20141115 Address after: 100083 Beijing Haidian District Zhongguancun Road No. 18 smartfortune International Building B706 Patentee after: Beijing Zhongcai Wyse Education Technology Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20190115 |