WO2012036503A3 - 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 - Google Patents
다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 Download PDFInfo
- Publication number
- WO2012036503A3 WO2012036503A3 PCT/KR2011/006849 KR2011006849W WO2012036503A3 WO 2012036503 A3 WO2012036503 A3 WO 2012036503A3 KR 2011006849 W KR2011006849 W KR 2011006849W WO 2012036503 A3 WO2012036503 A3 WO 2012036503A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- csi
- wireless communication
- communication system
- multiple antennas
- supports multiple
- 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
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0028—Formatting
- H04L1/0031—Multiple signaling transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
-
- 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
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- 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
Abstract
본 발명은 무선 통신 시스템에 대한 것으로, 보다 상세하게는 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치가 개시된다. 본 발명의 일 실시예에 따른 무선 통신 시스템에서 기지국으로부터의 하향링크 전송에 대한 CSI를 단말이 상향링크를 통하여 전송하는 방법은, 하향링크 신호를 하향링크 채널을 통해 수신하는 단계; 하향링크 채널에 대한 RI, PMI 및 CQI 중 하나 이상을 포함하는 CSI를 생성하는 단계; 및 CSI를 상향링크 채널을 통하여 전송하는 단계를 포함하고, CSI는, 단말에 의해 결정된 랭크 N 에 기초하여 결정되는 제 1 유형 CSI 및 기준값 M 으로 제한되는(restricted) 랭크에 기초하여 결정되는 제 2 유형 CSI 중 하나 이상을 포함할 수 있다.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11825463.0A EP2618499B1 (en) | 2010-09-16 | 2011-09-16 | Method and device for efficient feedback in wireless communication system that supports multiple antennas |
US13/824,216 US8903006B2 (en) | 2010-09-16 | 2011-09-16 | Method and device for efficient feedback in wireless communication system that supports multiple antennas |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38334810P | 2010-09-16 | 2010-09-16 | |
US61/383,348 | 2010-09-16 | ||
US38463710P | 2010-09-20 | 2010-09-20 | |
US61/384,637 | 2010-09-20 | ||
US41395110P | 2010-11-15 | 2010-11-15 | |
US61/413,951 | 2010-11-15 | ||
KR1020110092504A KR20120029338A (ko) | 2010-09-16 | 2011-09-14 | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 |
KR10-2011-0092504 | 2011-09-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012036503A2 WO2012036503A2 (ko) | 2012-03-22 |
WO2012036503A3 true WO2012036503A3 (ko) | 2012-05-10 |
Family
ID=46133843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2011/006849 WO2012036503A2 (ko) | 2010-09-16 | 2011-09-16 | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8903006B2 (ko) |
EP (1) | EP2618499B1 (ko) |
KR (1) | KR20120029338A (ko) |
WO (1) | WO2012036503A2 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113014295B (zh) * | 2021-02-24 | 2022-03-08 | 南京邮电大学 | 一种去蜂窝大规模mimo系统上行联合接收方法 |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9209932B2 (en) * | 2010-11-08 | 2015-12-08 | Qualcomm Incorporated | CQI-only transmission on the PUSCH |
US8958388B2 (en) * | 2010-11-15 | 2015-02-17 | Futurewei Technologies, Inc. | System and method for measuring channel state information in a communications system |
CN102684816A (zh) * | 2011-03-09 | 2012-09-19 | 中兴通讯股份有限公司 | 一种热点小区覆盖的数据传输方法、装置及基站 |
KR101785313B1 (ko) | 2011-04-12 | 2017-10-17 | 삼성전자주식회사 | 통신 시스템에서 간섭 제어를 위한 서브프레임 운용 및 채널 정보 전송 방법 및 장치 |
WO2013055152A1 (en) * | 2011-10-12 | 2013-04-18 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting and receiving feedback information in a mobile communication system |
KR20130047862A (ko) * | 2011-11-01 | 2013-05-09 | 삼성전자주식회사 | 이동 통신 시스템에서 사용자 장치 별로 사용 가능한 대역폭을 추정하는 방법 및 장치 |
US9137818B2 (en) * | 2011-12-14 | 2015-09-15 | Alcatel Lucent | Method and system for a reduced-complexity scheduling for a network MIMO with linear zero-forcing beamforming |
US9119209B2 (en) | 2012-03-30 | 2015-08-25 | Samsung Electronics Co., Ltd. | Apparatus and method for channel-state-information pilot design for an advanced wireless network |
EP2847884B1 (en) * | 2012-05-11 | 2017-01-04 | Telefonaktiebolaget LM Ericsson (publ) | Scheduling a user equipment in a communication system |
WO2013172684A1 (en) | 2012-05-17 | 2013-11-21 | Samsung Electronics Co., Ltd. | Channel estimation method and apparatus for cooperative communication in a cellular mobile communication system |
WO2013183946A1 (ko) * | 2012-06-05 | 2013-12-12 | 엘지전자 주식회사 | 채널 상태 정보를 보고하는 방법 및 장치 |
KR101370056B1 (ko) * | 2012-06-29 | 2014-03-06 | 인텔렉추얼디스커버리 주식회사 | 매크로셀 및 펨토셀 간의 간섭 완화/제거 장치 및 방법 |
KR102257623B1 (ko) | 2012-07-02 | 2021-05-28 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널상태정보 보고 방법 및 장치 |
US10645599B2 (en) | 2012-07-02 | 2020-05-05 | Lg Electronics Inc. | Method and device for reporting channel state information in wireless communication system |
KR101971079B1 (ko) * | 2012-09-20 | 2019-08-13 | 삼성전자 주식회사 | 이동통신 시스템에서 피드백 송수신 방법 및 장치 |
USRE49578E1 (en) * | 2012-10-24 | 2023-07-11 | Samsung Electronics Co., Ltd | Method and apparatus for transmitting and receiving common channel information in wireless communication system |
IN2015MN00558A (ko) * | 2012-11-09 | 2015-07-31 | Lg Electronics Inc | |
KR102117024B1 (ko) * | 2012-11-28 | 2020-06-01 | 삼성전자 주식회사 | 무선 통신 시스템의 통신 방법 및 장치 |
WO2014084638A1 (en) * | 2012-11-28 | 2014-06-05 | Samsung Electronics Co., Ltd. | Method and apparatus for performing communication in a wireless communication system |
US9763232B2 (en) | 2012-12-09 | 2017-09-12 | Lg Electronics Inc. | Method for feeding back channel status information in wireless communication system supporting multiple antennas, and apparatus therefor |
US8971437B2 (en) * | 2012-12-20 | 2015-03-03 | Google Technology Holdings LLC | Method and apparatus for antenna array channel feedback |
KR102087039B1 (ko) * | 2013-01-18 | 2020-03-10 | 삼성전자 주식회사 | 이차원 평면 배열 안테나를 사용하는 무선 통신 시스템에서 채널 상태 정보 기준 신호 전송 및 하이브리드 공간분할 다중화와 공간분할 다중 접속 방법 및 장치 |
EP2975779B1 (en) | 2013-03-11 | 2018-07-25 | LG Electronics Inc. | Method and apparatus for reporting channel state information in wireless communication system |
US20160007340A1 (en) * | 2013-03-14 | 2016-01-07 | Lg Electronics Inc. | Method for reporting channel state information in wireless communication system and apparatus therefor |
WO2015135157A1 (zh) * | 2014-03-12 | 2015-09-17 | 华为技术有限公司 | 信道质量指示反馈方法、资源调度信息发送方法和装置 |
WO2016074119A1 (en) * | 2014-11-10 | 2016-05-19 | Qualcomm Incorporated | Elevation pmi reporting on pucch |
CN112671437A (zh) * | 2015-01-19 | 2021-04-16 | 高通股份有限公司 | 用于fd-mimo的csi反馈开销减少 |
US20160233938A1 (en) * | 2015-02-06 | 2016-08-11 | Nokia Solutions And Networks Oy | Multiple Restrictions For CSI Reporting |
JP6105672B2 (ja) * | 2015-05-14 | 2017-03-29 | 株式会社Nttドコモ | ユーザ端末及び無線通信方法 |
JP6055034B1 (ja) * | 2015-06-26 | 2016-12-27 | 株式会社Nttドコモ | ユーザ装置、及び上り制御情報ビット幅決定方法 |
EP3373469A4 (en) * | 2015-11-03 | 2019-05-01 | LG Electronics Inc. | METHOD FOR INDICATING THE CHANNEL STATUS IN A WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR |
JP2019009483A (ja) * | 2015-11-13 | 2019-01-17 | シャープ株式会社 | 端末装置、基地局装置、通信方法、および、集積回路 |
US20170237592A1 (en) * | 2016-02-05 | 2017-08-17 | Mediatek Inc. | Peak to average power ratio reduction in elaa |
CN107181514B (zh) * | 2016-03-11 | 2020-09-15 | 电信科学技术研究院 | 一种csi反馈方法、预编码方法及装置 |
CN109690969A (zh) * | 2016-07-29 | 2019-04-26 | Lg电子株式会社 | 在无线通信系统中由终端报告信道状态信息的方法以及支持该方法的装置 |
CN109845166B (zh) * | 2016-08-05 | 2021-07-20 | Lg 电子株式会社 | 在无线通信系统中通过终端和基站发送和接收信号的方法和支持该方法的设备 |
CN115987343A (zh) * | 2016-08-10 | 2023-04-18 | Idac控股公司 | 用于上行链路(ul)信道相互性的方法、装置、系统和过程 |
CN109478955A (zh) * | 2016-08-11 | 2019-03-15 | 华为技术有限公司 | 一种反馈参数上报方法和装置 |
KR102448058B1 (ko) | 2016-09-08 | 2022-09-26 | 삼성전자주식회사 | Rf 설정 방법 및 이를 수행하는 전자 장치 |
US10110284B2 (en) | 2016-11-03 | 2018-10-23 | At&T Intellectual Property I, L.P. | Providing a format indicator comprising rank indication and channel state information spatial domain resolution type |
US11758538B2 (en) * | 2017-05-12 | 2023-09-12 | Ntt Docomo, Inc. | User terminal and radio communication method |
CN110999468B (zh) * | 2017-06-11 | 2023-11-10 | Lg电子株式会社 | 在无线通信系统中发送和接收上行链路信道的方法及其装置 |
US10505605B2 (en) * | 2017-12-08 | 2019-12-10 | Huawei Technologies Co., Ltd. | Rank indication method, rank indication reporting method, device and system, and storage medium |
WO2019136726A1 (en) * | 2018-01-12 | 2019-07-18 | Nokia Shanghai Bell Co., Ltd. | Transmission of harq acknowledgment with ul bwp adaptation |
EP3755099B1 (en) | 2018-05-07 | 2022-10-19 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for determining resource location, terminal apparatus, and network apparatus |
CN110635870B (zh) * | 2018-06-22 | 2021-05-18 | 华为技术有限公司 | 生成混合自动重传请求harq信息的方法和装置 |
CN116746082A (zh) * | 2020-10-22 | 2023-09-12 | 上海诺基亚贝尔股份有限公司 | 点对多点操作的信道状态信息报告 |
US11665596B2 (en) * | 2021-08-24 | 2023-05-30 | At&T Intellectual Property I, L.P. | Planning of fixed wireless internet |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090190528A1 (en) * | 2008-01-08 | 2009-07-30 | Lg Electronics Inc. | Method for transmitting and receiving channel state information periodically or aperiodically |
US20100027456A1 (en) * | 2008-08-01 | 2010-02-04 | Texas Instruments Incorporated | Network mimo reporting, control signaling and transmission |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100810350B1 (ko) * | 2002-01-07 | 2008-03-07 | 삼성전자주식회사 | 안테나 어레이를 포함하는 부호분할다중접속 이동통신시스템에서 다양한 채널상태에 따른 데이터 송/수신 장치 및 방법 |
KR100819285B1 (ko) * | 2006-03-16 | 2008-04-02 | 삼성전자주식회사 | 다중 사용자를 지원하는 다중 안테나 시스템에서의 피드 백 정보 송/수신방법 및 그 시스템 |
KR101001015B1 (ko) * | 2008-09-25 | 2010-12-14 | 한국전자통신연구원 | 다운링크 송신 모드를 적응적으로 결정하는 다중 안테나 무선 통신 시스템 |
KR101745414B1 (ko) * | 2009-06-09 | 2017-06-13 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널 정보 전송 방법 및 장치 |
US8750205B2 (en) * | 2009-08-07 | 2014-06-10 | Texas Instruments Incorporated | Multiple rank CQI feedback for cellular networks |
US8526519B2 (en) * | 2009-12-14 | 2013-09-03 | Texas Instruments Incorporated | Multi-rank precoding matrix indicator (PMI) feedback in a multiple-input multiple-output (MIMO) system |
US20120270535A1 (en) * | 2009-12-17 | 2012-10-25 | Texas Instruments Incorporated | Implicit CSI Feedback for DL Multiuser MIMO Transmission |
EP2555444B1 (en) * | 2010-03-29 | 2017-03-08 | LG Electronics Inc. | Method and apparatus for efficient feedback in a wireless communication system supporting multiple antennas |
US8638684B2 (en) * | 2010-04-05 | 2014-01-28 | Qualcomm | Aperiodic channel state information request in wireless communication |
WO2012044088A2 (ko) * | 2010-09-29 | 2012-04-05 | 엘지전자 주식회사 | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 |
US8798011B2 (en) * | 2011-04-29 | 2014-08-05 | Nec Laboratories America, Inc. | Enhancement of download multi-user multiple-input multiple-output wireless communications |
-
2011
- 2011-09-14 KR KR1020110092504A patent/KR20120029338A/ko not_active Application Discontinuation
- 2011-09-16 EP EP11825463.0A patent/EP2618499B1/en active Active
- 2011-09-16 WO PCT/KR2011/006849 patent/WO2012036503A2/ko active Application Filing
- 2011-09-16 US US13/824,216 patent/US8903006B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090190528A1 (en) * | 2008-01-08 | 2009-07-30 | Lg Electronics Inc. | Method for transmitting and receiving channel state information periodically or aperiodically |
US20100027456A1 (en) * | 2008-08-01 | 2010-02-04 | Texas Instruments Incorporated | Network mimo reporting, control signaling and transmission |
Non-Patent Citations (1)
Title |
---|
SIMONSSON A. ET AL.: "LTE downlink 2x2 MIMO with realistic CSI: Overview and performance evaluation", 2010 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE, 21 April 2010 (2010-04-21), pages 1 - 6, XP031706375 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113014295B (zh) * | 2021-02-24 | 2022-03-08 | 南京邮电大学 | 一种去蜂窝大规模mimo系统上行联合接收方法 |
Also Published As
Publication number | Publication date |
---|---|
US8903006B2 (en) | 2014-12-02 |
EP2618499A2 (en) | 2013-07-24 |
EP2618499B1 (en) | 2019-11-06 |
EP2618499A4 (en) | 2017-04-26 |
US20130182789A1 (en) | 2013-07-18 |
KR20120029338A (ko) | 2012-03-26 |
WO2012036503A2 (ko) | 2012-03-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2012036503A3 (ko) | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 | |
WO2011122830A3 (ko) | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 | |
WO2011129585A3 (ko) | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 | |
WO2012060550A3 (ko) | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 | |
WO2012044088A3 (ko) | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 | |
WO2011129583A3 (ko) | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 | |
WO2011162541A3 (ko) | 상향링크 다중 안테나 전송에 대한 프리코딩 정보를 결정하는 방법 및 장치 | |
WO2012008773A3 (ko) | 무선 통신 시스템에서 상향링크 전송 전력 제어 방법 및 장치 | |
WO2011099794A3 (ko) | 채널상태정보 피드백 장치와 그 방법, 기지국, 그 기지국의 전송방법 | |
WO2013052491A3 (en) | Antenna time offset in multiple-input-multiple-output and coordinated multipoint transmissions | |
WO2012015214A3 (ko) | 무선 통신 시스템에서 확장된 상향링크 제어정보를 전송하는 방법 및 장치 | |
WO2011084014A3 (en) | Apparatus and method for enabling low latency transmissions in the uplink of a communication system | |
WO2011122919A3 (en) | User equipment apparatus and method for feeding back channel state information in a wireless communication system | |
WO2011162543A3 (ko) | 다중 반송파 지원 무선 통신 시스템에서 상향링크 제어 정보 송수신 방법 및 장치 | |
WO2009088225A3 (en) | Method for transmitting and receiving channel state information periodically or aperiodically | |
WO2011139058A3 (en) | Method of control indication in multi-input multi-output communication systems | |
WO2012039589A3 (ko) | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 | |
TWI371184B (en) | Method of transmitting data in multiple antenna system | |
WO2010093166A2 (ko) | 다중안테나 전송을 위한 단말 동작 | |
WO2012064100A3 (ko) | 무선통신 시스템에서 전력상태보고를 전송하기 위한 방법 및 이를 위한 단말 장치 | |
WO2011129584A3 (ko) | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 | |
WO2012044021A3 (ko) | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 | |
RU2015109710A (ru) | Способ и устройство для приема и передачи информации о состоянии канала в системе беспроводной связи | |
WO2011112018A3 (ko) | 캐리어 병합 시스템에서 제어 정보를 시그널링 하는 방법 및 이를 위한 장치 | |
WO2011028078A3 (ko) | 중계기 지원 무선 통신 시스템에서의 채널 상태 정보 피드백 방법 및 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11825463 Country of ref document: EP Kind code of ref document: A2 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13824216 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011825463 Country of ref document: EP |