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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0626Channel coefficients, e.g. channel state information [CSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0632Channel quality parameters, e.g. channel quality indicator [CQI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0636Feedback format
    • H04B7/0639Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
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)

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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
WO2012165820A2 (en) * 2011-05-27 2012-12-06 Lg Electronics Inc. Method and apparatus for transmitting channel state information in multi-node system
EP2822203A4 (en) * 2012-02-29 2015-07-29 Kyocera Corp COMMUNICATION CONTROL METHOD, USER TERMINAL, AND BASE STATION
TR201819066T4 (tr) * 2012-05-10 2019-01-21 Ericsson Telefon Ab L M CSI Raporlama İçin Usuller Ve Düzenlemeler
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
KR101879963B1 (ko) * 2013-09-27 2018-07-18 후아웨이 테크놀러지 컴퍼니 리미티드 데이터 전송 방법과 장치
US9848408B2 (en) 2013-11-12 2017-12-19 Qualcomm Incorporated Proactive rank index management in SLTE enabled modem to achieve higher throughput
US11223394B2 (en) * 2014-11-14 2022-01-11 Interdigital Patent Holdings, Inc. Antenna virtualization in two-dimensional antenna array
CN107113849B (zh) * 2014-12-22 2019-07-23 华为技术有限公司 传输指示信息的方法和装置
JP6517346B2 (ja) 2014-12-22 2019-05-22 華為技術有限公司Huawei Technologies Co.,Ltd. 指示情報を伝送するための方法および装置
JP6513814B2 (ja) * 2015-01-19 2019-05-15 クゥアルコム・インコーポレイテッドQualcomm Incorporated Fd−mimoのための拡張csiフィードバック
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
CN113872656A (zh) * 2015-08-11 2021-12-31 苹果公司 用于fd-mimo的用于波束成形csi-rs的码本设计
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
US20200162133A1 (en) * 2017-06-16 2020-05-21 Telefonaktiebolaget Lm Ericsson (Publ) Multi-resource uplink sounding and antenna subset transmission
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
US11469809B2 (en) * 2018-04-13 2022-10-11 Nokia Technologies Oy Compression of tap location information for time domain explicit channel state information feedback in new radio
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

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US8630184B2 (en) * 2007-08-15 2014-01-14 Qualcomm Incorporated Uplink control channel format
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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
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US20100035555A1 (en) * 2008-08-05 2010-02-11 Interdigital Patent Holdings, Inc. Method and apparatus for implementing multi-cell cooperation techniques
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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
EP2556712B1 (en) 2020-09-09
WO2011125025A1 (en) 2011-10-13
KR20120135343A (ko) 2012-12-12
TW201220747A (en) 2012-05-16
CN103069902A (zh) 2013-04-24
KR101387243B1 (ko) 2014-04-21
EP2556712A1 (en) 2013-02-13
IL222165A (en) 2016-09-29
CN103069902B (zh) 2016-03-30
EP2556712A4 (en) 2016-07-27
US20120082042A1 (en) 2012-04-05
US8625450B2 (en) 2014-01-07
TWI495286B (zh) 2015-08-01

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