WO2012102558A3 - 채널상태정보 전송방법 및 사용자기기와, 채널상태정보 수신방법 및 기지국 - Google Patents
채널상태정보 전송방법 및 사용자기기와, 채널상태정보 수신방법 및 기지국 Download PDFInfo
- Publication number
- WO2012102558A3 WO2012102558A3 PCT/KR2012/000614 KR2012000614W WO2012102558A3 WO 2012102558 A3 WO2012102558 A3 WO 2012102558A3 KR 2012000614 W KR2012000614 W KR 2012000614W WO 2012102558 A3 WO2012102558 A3 WO 2012102558A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- state information
- channel state
- base station
- user equipment
- information receiving
- Prior art date
Links
Classifications
-
- 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
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- 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
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
본 발명은 다중 노드 시스템에서 복수의 노드에 대한 채널상태정보로서 상기 복수의 노드 상호 간의 상관도(correlation)을 나타내는 정보를 전송/수신하는 방법 및 장치를 제공한다. 또한, 본 발명은 복수의 노드에 의해 전송된 신호의 세기를 고려하여 CQI를 전송/수신하는 방법 및 장치를 제공한다.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/981,872 US9215704B2 (en) | 2011-01-26 | 2012-01-26 | Channel state information transmitting method and user equipment, channel state information receiving method and base station |
EP12739741.2A EP2670059B1 (en) | 2011-01-26 | 2012-01-26 | Channel state information transmitting method and user equipment, channel state information receiving method and base station |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161436193P | 2011-01-26 | 2011-01-26 | |
US61/436,193 | 2011-01-26 | ||
US201161475208P | 2011-04-13 | 2011-04-13 | |
US61/475,208 | 2011-04-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012102558A2 WO2012102558A2 (ko) | 2012-08-02 |
WO2012102558A3 true WO2012102558A3 (ko) | 2012-09-20 |
Family
ID=46581292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2012/000614 WO2012102558A2 (ko) | 2011-01-26 | 2012-01-26 | 채널상태정보 전송방법 및 사용자기기와, 채널상태정보 수신방법 및 기지국 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9215704B2 (ko) |
EP (1) | EP2670059B1 (ko) |
WO (1) | WO2012102558A2 (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2635087A1 (en) * | 2012-02-28 | 2013-09-04 | Alcatel Lucent | Apparatus, method and computer program for controlling transmission points in a mobile communication system |
MX350515B (es) * | 2013-04-28 | 2017-09-08 | Huawei Tech Co Ltd | Metodo de retroalimentacion de indicador de matriz de precodificacion, extremo de recepcion y extremo de transmision. |
US9867059B2 (en) * | 2013-09-06 | 2018-01-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Distributed node operation in heterogeneous networks |
WO2015099582A1 (en) | 2013-12-23 | 2015-07-02 | Telefonaktiebolaget L M Ericsson (Publ) | Determining position of a wireless device using remote radio head devices with multiple antenna devices |
JP6573610B2 (ja) * | 2014-07-25 | 2019-09-11 | 株式会社Nttドコモ | ユーザ装置および基地局 |
US10129889B1 (en) * | 2015-09-01 | 2018-11-13 | Sprint Spectrum L.P. | Selecting primary and secondary component carriers for carrier aggregation based on carrier receive power at a UE, transmit power, frequency, and other carrier attributes |
GB2558217B (en) * | 2016-12-22 | 2020-08-19 | Samsung Electronics Co Ltd | Using feedback from user equipment to determine mode of joint transmission |
US10298355B2 (en) * | 2017-02-28 | 2019-05-21 | Corning Incorporated | Supporting cooperative transmission in massive multiple-input multiple-output (MIMO) systems |
US20220264342A1 (en) * | 2021-02-17 | 2022-08-18 | Samsung Electronics Co., Ltd. | Method and apparatus for measuring and reporting communication parameters |
WO2024054138A1 (en) * | 2022-09-07 | 2024-03-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Transmission mode selection for serving a user equipment in a d-mimo network |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20100107223A (ko) * | 2009-03-25 | 2010-10-05 | 삼성전자주식회사 | 다중 입출력 무선통신 시스템에서 하향 링크를 위한 공동 빔 성형 방법 및 그를 수행하기 위한 송수신 장치 |
Family Cites Families (15)
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RU2145152C1 (ru) * | 1998-10-08 | 2000-01-27 | Гармонов Александр Васильевич | Способ ортогональной разнесенной передачи-приема сигнала в сотовой системе радиосвязи с кодовым разделением каналов |
RU2007104173A (ru) * | 2004-08-04 | 2008-08-10 | Мацусита Электрик Индастриал Ко., Лтд. (Jp) | Устройство радиосвязи, система радиосвязи и способ радиосвязи |
FI20075282A0 (fi) * | 2007-04-23 | 2007-04-23 | Nokia Corp | Taajuusvirheen estimointialgoritmi |
JP5024548B2 (ja) * | 2008-03-13 | 2012-09-12 | 日本電気株式会社 | 制御信号復調装置、制御信号復調方法、無線通信装置およびプログラム |
KR100970891B1 (ko) * | 2008-05-07 | 2010-07-20 | 재단법인서울대학교산학협력재단 | 무선 통신 시스템에서 공간 분할 다중화 기법을 위한 채널정보 생성 장치 및 그 방법과 이를 이용한 데이터 전송장치 및 그 방법 |
WO2010082233A1 (ja) * | 2009-01-15 | 2010-07-22 | 富士通株式会社 | 送信装置、通信システム、通信方法 |
WO2010131354A1 (ja) * | 2009-05-15 | 2010-11-18 | 富士通株式会社 | 変調方式切り替え方法及び送信局と受信局 |
CN102006124B (zh) * | 2009-08-28 | 2014-05-07 | 华为技术有限公司 | 频谱预测方法、装置和系统 |
CN102056220B (zh) * | 2009-10-28 | 2014-02-19 | 华为技术有限公司 | 实现信道测量的方法及装置 |
TWI404360B (zh) * | 2009-11-25 | 2013-08-01 | Inst Information Industry | 用於一多輸入多輸出正交分頻多工系統之通訊裝置及其方法 |
JP5446857B2 (ja) * | 2009-12-28 | 2014-03-19 | 富士通株式会社 | 中継装置、無線中継方法 |
US8989114B2 (en) * | 2010-03-17 | 2015-03-24 | Lg Electronics Inc. | Method and apparatus for providing channel state information-reference signal (CSI-RS) configuration information in a wireless communication system supporting multiple antennas |
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EP2583382A1 (en) | 2010-06-18 | 2013-04-24 | Nec Corporation | Precoding techniques for downlink coordinated multipoint transmission in radio communications system |
-
2012
- 2012-01-26 WO PCT/KR2012/000614 patent/WO2012102558A2/ko active Application Filing
- 2012-01-26 US US13/981,872 patent/US9215704B2/en not_active Expired - Fee Related
- 2012-01-26 EP EP12739741.2A patent/EP2670059B1/en active Active
Patent Citations (1)
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KR20100107223A (ko) * | 2009-03-25 | 2010-10-05 | 삼성전자주식회사 | 다중 입출력 무선통신 시스템에서 하향 링크를 위한 공동 빔 성형 방법 및 그를 수행하기 위한 송수신 장치 |
Non-Patent Citations (4)
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"Clarification on explicit feedback vs. implicit feedback", 3GPP TSG RAN WG1 MEETING #60, R1-100926, 26 February 2010 (2010-02-26), XP050418525 * |
"Correlation based explicit feedback", 3GPP TSG RAN WG1 MEETING #59BIS, R1-100719, 22 January 2010 (2010-01-22), XP050418342 * |
"Performance Evaluation of Intrasite Coordinated Beamforming", 3GPP TSG RAN WG1 MEETING #63BIS, R1-110269, 21 January 2011 (2011-01-21), XP050490369 * |
"Standardization impact of DL CoMP", 3GPP TSG RAN WG1 MEETING #59BIS, R1-100687, 22 January 2010 (2010-01-22), XP050418279 * |
Also Published As
Publication number | Publication date |
---|---|
US9215704B2 (en) | 2015-12-15 |
WO2012102558A2 (ko) | 2012-08-02 |
EP2670059B1 (en) | 2021-03-03 |
EP2670059A4 (en) | 2014-11-19 |
EP2670059A2 (en) | 2013-12-04 |
US20130308590A1 (en) | 2013-11-21 |
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