PT2556712T - Feedback de informação do estado do canal para entrada múltipla de ligação descendente aprimorada - operação de saída múltipla - Google Patents

Feedback de informação do estado do canal para entrada múltipla de ligação descendente aprimorada - operação de saída múltipla

Info

Publication number
PT2556712T
PT2556712T PT117651513T PT11765151T PT2556712T PT 2556712 T PT2556712 T PT 2556712T PT 117651513 T PT117651513 T PT 117651513T PT 11765151 T PT11765151 T PT 11765151T PT 2556712 T PT2556712 T PT 2556712T
Authority
PT
Portugal
Prior art keywords
state information
channel state
output operation
information feedback
enhanced downlink
Prior art date
Application number
PT117651513T
Other languages
English (en)
Original Assignee
Nokia Technologies Oy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nokia Technologies Oy filed Critical Nokia Technologies Oy
Publication of PT2556712T publication Critical patent/PT2556712T/pt

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
    • H04B7/06—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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
PT117651513T 2010-04-05 2011-04-05 Feedback de informação do estado do canal para entrada múltipla de ligação descendente aprimorada - operação de saída múltipla PT2556712T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32090610P 2010-04-05 2010-04-05

Publications (1)

Publication Number Publication Date
PT2556712T true PT2556712T (pt) 2020-10-30

Family

ID=44762072

Family Applications (1)

Application Number Title Priority Date Filing Date
PT117651513T PT2556712T (pt) 2010-04-05 2011-04-05 Feedback de informação do estado do canal para entrada múltipla de ligação descendente aprimorada - operação de saída múltipla

Country Status (8)

Country Link
US (1) US8625450B2 (pt)
EP (1) EP2556712B1 (pt)
KR (1) KR101387243B1 (pt)
CN (1) CN103069902B (pt)
IL (1) IL222165A (pt)
PT (1) PT2556712T (pt)
TW (1) TWI495286B (pt)
WO (1) WO2011125025A1 (pt)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7917176B2 (en) * 2006-02-14 2011-03-29 Nec Laboratories America, Inc. Structured codebook and successive beamforming for multiple-antenna systems
CN102918776B (zh) * 2010-04-01 2015-07-22 瑞典爱立信有限公司 用于具有结构化频率选择性的有效信道的预编码器码本
KR101871707B1 (ko) 2010-04-02 2018-06-27 엘지전자 주식회사 무선통신 시스템에서 채널상태정보 피드백 하는 단말 장치 및 그 방법
US9654197B2 (en) 2010-04-15 2017-05-16 Futurewei Technologies, Inc. System and method for feeding back channel information
CN102237984B (zh) * 2010-05-07 2014-02-12 电信科学技术研究院 一种基于pusch上报csi的方法及装置
US8693421B2 (en) 2010-09-02 2014-04-08 Texas Instruments Incorporated Downlink 8 TX codebook sub-sampling for CSI feedback
US9154988B2 (en) * 2010-12-06 2015-10-06 Lg Electronics Inc. Method for reporting channel state information in wireless communication system, and device therefor
US8798011B2 (en) * 2011-04-29 2014-08-05 Nec Laboratories America, Inc. Enhancement of download multi-user multiple-input multiple-output wireless communications
KR101555117B1 (ko) * 2011-05-27 2015-09-22 엘지전자 주식회사 다중 노드 시스템에서 채널 상태 정보 전송 방법 및 장치
WO2013129502A1 (ja) * 2012-02-29 2013-09-06 京セラ株式会社 通信制御方法、ユーザ端末、及び基地局
JP6290863B2 (ja) 2012-05-10 2018-03-07 テレフオンアクチーボラゲット エルエム エリクソン（パブル） Ｃｓｉレポーティングのための方法及び装置
JP5932554B2 (ja) * 2012-08-02 2016-06-08 株式会社Ｎｔｔドコモ 無線通信方法、無線通信システム、無線基地局及びユーザ端末
US8942302B2 (en) 2012-12-20 2015-01-27 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US8976884B2 (en) 2012-12-20 2015-03-10 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US8971437B2 (en) * 2012-12-20 2015-03-03 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
TWI478514B (zh) * 2012-12-25 2015-03-21 Univ Nat Sun Yat Sen 利用預編碼分離等效通道之方法及其中繼裝置
US9698887B2 (en) * 2013-03-08 2017-07-04 Qualcomm Incorporated Systems and methods for enhanced MIMO operation
CA2924638C (en) * 2013-09-27 2019-08-20 Huawei Technologies Co., Ltd. Data transmission method and apparatus
US9848408B2 (en) 2013-11-12 2017-12-19 Qualcomm Incorporated Proactive rank index management in SLTE enabled modem to achieve higher throughput
EP3796566A1 (en) * 2014-11-14 2021-03-24 Interdigital Patent Holdings, Inc. Antenna virtualization in two-dimensional antenna array
WO2016101461A1 (zh) 2014-12-22 2016-06-30 华为技术有限公司 传输指示信息的方法和装置
RU2668112C1 (ru) 2014-12-22 2018-09-26 Хуавэй Текнолоджиз Ко., Лтд. Устройство и способ передачи информации указания
US10826577B2 (en) * 2015-01-19 2020-11-03 Qualcomm Incorporated Enhanced CSI feedback for FD-MIMO
US10110286B2 (en) * 2015-03-30 2018-10-23 Samsung Electronics Co., Ltd. Method and apparatus for codebook design and signaling
US10104568B2 (en) * 2015-06-30 2018-10-16 Qualcomm Incorporated Periodic channel state information reporting for enhanced carrier aggregation
US10075218B2 (en) * 2015-11-05 2018-09-11 Samsung Electronics Co., Ltd. Method and apparatus for FD-MIMO based multicasting in vehicular communication systems
WO2017161590A1 (en) * 2016-03-25 2017-09-28 Qualcomm Incorporated Enhanced hybrid csi-rs for fd-mimo
CN110741592B (zh) * 2017-06-16 2022-11-01 瑞典爱立信有限公司 多资源上行链路探测和天线子集传输
WO2018227614A1 (en) * 2017-06-16 2018-12-20 Qualcomm Incorporated Channel state information feedback for flexible uplink control signaling
CN109495972A (zh) * 2017-09-10 2019-03-19 株式会社Ntt都科摩 发送上行控制信息的方法和移动台
CN108111253B (zh) * 2017-09-12 2022-04-29 中兴通讯股份有限公司 信号配置、发送方法及装置
CN111971906B (zh) * 2018-04-13 2023-09-08 上海诺基亚贝尔股份有限公司 压缩抽头位置信息用于新无线电中时域显式信道状态信息反馈
WO2019222882A1 (en) * 2018-05-21 2019-11-28 Nokia Shanghai Bell Co., Ltd. Channel state information feedback
EP3844901A4 (en) * 2018-08-30 2022-09-07 Nokia Technologies Oy FREQUENCY-TIME DOMAIN CHANNEL STRENGTHENING AND SYSTEM TIME REDUCTION
WO2023207764A1 (en) * 2022-04-25 2023-11-02 Mediatek Inc. Method and apparatus for reporting channel state information in mobile communications

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080305745A1 (en) * 2007-06-05 2008-12-11 Interdigital Technology Corporation Method and apparatus for supporting uplink transmission of channel quality and coding information in a wireless communication system
US8630184B2 (en) * 2007-08-15 2014-01-14 Qualcomm Incorporated Uplink control channel format
CN101374034B (zh) * 2007-08-20 2012-06-13 中兴通讯股份有限公司 下行与上行多用户多输入多输出的预编码方法
KR101476202B1 (ko) * 2008-01-08 2014-12-24 엘지전자 주식회사 주기적/비주기적 채널상태정보 송수신 방법
KR101537591B1 (ko) * 2008-04-07 2015-07-20 엘지전자 주식회사 Ｍｉｍｏ 시스템에서 모드 적응 방법
EP2117155B1 (en) * 2008-05-06 2014-03-19 Godo Kaisha IP Bridge 1 Control channel signalling for triggering the independent transmission of a channel quality indicator
TWI514805B (zh) * 2008-07-02 2015-12-21 Interdigital Patent Holdings 多輸入多輸出通訊排序及預編碼矩陣測量及報告方法及裝置
US20100035555A1 (en) * 2008-08-05 2010-02-11 Interdigital Patent Holdings, Inc. Method and apparatus for implementing multi-cell cooperation techniques
WO2010093226A2 (ko) * 2009-02-13 2010-08-19 엘지전자주식회사 다중안테나 시스템에서 데이터 전송방법 및 장치
US8917707B2 (en) * 2009-04-24 2014-12-23 Samsung Electronics Co., Ltd. Techniques for channel state information feedback in wireless communication system
US8526384B2 (en) * 2009-05-06 2013-09-03 Lg Electronics Inc. Method of transmitting and receiving channel state information feedback in a wireless communication system
KR101715939B1 (ko) * 2009-06-18 2017-03-14 엘지전자 주식회사 채널 상태 정보 피드백 방법 및 장치

Also Published As

Publication number Publication date
TW201220747A (en) 2012-05-16
WO2011125025A1 (en) 2011-10-13
CN103069902A (zh) 2013-04-24
KR20120135343A (ko) 2012-12-12
TWI495286B (zh) 2015-08-01
EP2556712B1 (en) 2020-09-09
US8625450B2 (en) 2014-01-07
EP2556712A1 (en) 2013-02-13
US20120082042A1 (en) 2012-04-05
KR101387243B1 (ko) 2014-04-21
EP2556712A4 (en) 2016-07-27
CN103069902B (zh) 2016-03-30
IL222165A (en) 2016-09-29

Similar Documents

Publication Publication Date Title
IL222165A (en) Channel status information feedback for increased satellite broadcast operation with multiple output and input
ZA201301201B (en) Protocol for channel state information feedback
EP2599241A4 (en) FEEDBACK SCHEME FOR MU-MIMO
EP2433376A4 (en) FEEDBACK FOR CHANNEL STATUS INFORMATION
EP2727303A4 (en) TRANSFER OF DOWNLINK TAX INFORMATION WITH HIGHER ORDER MODULATION
EP2880801A4 (en) UPLINK POWER CONTROL FOR PHYSICAL CHANNEL AMOUNT CONTROL
EP2761940A4 (en) METHOD FOR UPLINK PERFORMANCE CONTROL
EP2628341A4 (en) UPLINK POWER CONTROL
HK1180133A1 (zh) 基於參考信號的信道反饋
EP2561715A4 (en) TRANSMISSION OF UPLINK CONTROL INFORMATION
EP2425673A4 (en) RELEASE CHANNEL RELEASE
HK1137575A1 (en) Uplink power control for lte
GB2491139B (en) Channel access control
HUE047371T2 (hu) Nyalábformálás visszacsatolás formátum
GB201323120D0 (en) Mapping an enhanced downlink control channel
EP2614610A4 (en) METHOD FOR TRANSMITTING CONTROL CHANNELS
EP2520128A4 (en) EFFICIENT UPLINK-SDMA OPERATION
IL206868A0 (en) Uplink delay budget feedback
EP2666330A4 (en) MOBILE GUIDED DOWNLINK LINK INTERFERENCE MANAGEMENT PROVISION
EP2741440A4 (en) INSTRUCTIONS FOR CHANNEL STATUS INFORMATION FEEDBACK, RETURN METHOD AND DEVICE
EP2697764A4 (en) ILLUSTRATION OF CROSS-CHANNEL CONVERSION ROADS
EP2622899A4 (en) UPLINK INFORMATION MULTIPLEXING ON A PHYSICAL UPLINK CONTROL CHANNEL FOR LTE-A
EP2692068A4 (en) CHANNEL FEEDBACK FOR COOPERATIVE MULTIPORT TRANSFER
GB2479076C (en) Uplink transmission power control mechanism
EP2795973A4 (en) UPLINK POWER CONTROL FOR MU-MIMO