IN2013CN00812A - - Google Patents

Info

Publication number
IN2013CN00812A
IN2013CN00812A IN812CHN2013A IN2013CN00812A IN 2013CN00812 A IN2013CN00812 A IN 2013CN00812A IN 812CHN2013 A IN812CHN2013 A IN 812CHN2013A IN 2013CN00812 A IN2013CN00812 A IN 2013CN00812A
Authority
IN
India
Prior art keywords
precoding matrix
enforcing
final precoding
spatial streams
multiple codewords
Prior art date
Application number
Other languages
English (en)
Inventor
Stefan Geirhofer
Peter Gaal
Juan Montojo
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2013CN00812A publication Critical patent/IN2013CN00812A/en

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
    • H04B7/0413—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
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers
    • H04L25/03949—Spatial equalizers equalizer selection or adaptation based on feedback
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
IN812CHN2013 2010-08-16 2011-08-16 IN2013CN00812A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US37410010P 2010-08-16 2010-08-16
US13/210,052 US9571173B2 (en) 2010-08-16 2011-08-15 Enforcing constant modulus and finite alphabet properties in adaptive and dual-stage codebooks
PCT/US2011/047972 WO2012024326A1 (en) 2010-08-16 2011-08-16 Enforcing constant modulus and finite alphabet properties in adaptive and dual-stage codebooks

Publications (1)

Publication Number Publication Date
IN2013CN00812A true IN2013CN00812A (zh) 2015-07-03

Family

ID=44584651

Family Applications (1)

Application Number Title Priority Date Filing Date
IN812CHN2013 IN2013CN00812A (zh) 2010-08-16 2011-08-16

Country Status (7)

Country Link
US (1) US9571173B2 (zh)
EP (2) EP2680460B1 (zh)
JP (2) JP5784728B2 (zh)
KR (1) KR101477122B1 (zh)
CN (1) CN103119857B (zh)
IN (1) IN2013CN00812A (zh)
WO (1) WO2012024326A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011161601A1 (en) * 2010-06-23 2011-12-29 Koninklijke Philips Electronics N.V. A method for operating a secondary station
US9571173B2 (en) 2010-08-16 2017-02-14 Qualcomm Incorporated Enforcing constant modulus and finite alphabet properties in adaptive and dual-stage codebooks
EP3007374B1 (en) 2013-06-05 2018-08-08 LG Electronics Inc. Method and apparatus for transmitting channel state information in wireless communication system
CA2947184C (en) 2014-04-28 2020-09-22 Huawei Technologies Co., Ltd. Multiple-antenna data transmission method, base station, user equipment, and system
CN105763233B (zh) * 2016-02-24 2018-10-30 华中科技大学 一种Massive-MIMO下基于角度信息的用户组选择方法
CN108322283B (zh) * 2017-01-14 2021-09-07 华为技术有限公司 数据发送技术
CN113283571A (zh) * 2017-06-19 2021-08-20 弗吉尼亚科技知识产权有限公司 使用多天线收发器无线传输的信息的编码和解码
EP3474459A1 (en) * 2017-10-18 2019-04-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Receiver, transmitter, system and method employing space-delay precoding
MX2021002304A (es) 2018-08-29 2021-04-28 Fraunhofer Ges Forschung Receptor, transmisor, sistema y metodo que emplean precodificacion de retardo espacial.
US11924863B2 (en) * 2019-10-28 2024-03-05 Qualcomm Incorporated Subband precoding signaling in a wireless communications network

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101124932B1 (ko) 2005-05-30 2012-03-28 삼성전자주식회사 어레이 안테나를 이용하는 이동 통신 시스템에서의 데이터송/수신 장치 및 방법
US20150030058A9 (en) 2006-05-17 2015-01-29 Texas Instruments Inc. Cqi feedback for mimo deployments
US8107544B2 (en) 2007-05-16 2012-01-31 Motorola Mobility, Inc. Method and apparatus for feedback in closed loop transmitting
WO2008157620A2 (en) 2007-06-19 2008-12-24 Interdigital Technology Corporation Constant modulus mimo precoding for constraining transmit antenna power for differential feedback
US20090047999A1 (en) * 2007-08-16 2009-02-19 Samsung Electronics Co., Ltd. Method and system for beamforming communication in wireless communication systems
US7907552B2 (en) * 2008-01-15 2011-03-15 Alcatel-Lucent Usa Inc. MIMO communication system with user scheduling and modified precoding based on channel vector magnitudes
EP2328670B1 (en) 2008-08-26 2017-04-12 Huawei Technologies Co., Ltd. System and method for wireless communications
KR101673497B1 (ko) 2009-01-05 2016-11-07 마벨 월드 트레이드 리미티드 Ｍｉｍｏ 통신 시스템을 위한 프리코딩 코드북들
US8243582B2 (en) * 2009-01-28 2012-08-14 Mitsubishi Electric Research Laboratories, Inc. Feedback for transmit precoding in wireless networks
US8325843B2 (en) 2009-04-08 2012-12-04 Lg Electronics Inc. MIMO codebook generation
WO2010126317A2 (en) 2009-04-30 2010-11-04 Lg Electronics Inc. Method for setting precoder in open loop mimo system
US9088322B2 (en) * 2010-03-31 2015-07-21 Nokia Technologies Oy Codebook subset restriction based on codebook grouping
CN101877627B (zh) 2010-06-21 2015-09-16 中兴通讯股份有限公司 信道状态信息的反馈方法及终端
US20110319027A1 (en) * 2010-06-25 2011-12-29 Motorola, Inc. Method for channel quality feedback in wireless communication systems
US9571173B2 (en) 2010-08-16 2017-02-14 Qualcomm Incorporated Enforcing constant modulus and finite alphabet properties in adaptive and dual-stage codebooks

Also Published As

Publication number Publication date
EP2680460A3 (en) 2014-04-02
EP2680460A2 (en) 2014-01-01
US9571173B2 (en) 2017-02-14
EP2680460B1 (en) 2018-12-19
JP2015201855A (ja) 2015-11-12
EP2606579A1 (en) 2013-06-26
JP2013535940A (ja) 2013-09-12
JP5784728B2 (ja) 2015-09-24
CN103119857B (zh) 2017-06-27
CN103119857A (zh) 2013-05-22
EP2606579B1 (en) 2018-10-03
US20120039412A1 (en) 2012-02-16
KR20130042627A (ko) 2013-04-26
WO2012024326A1 (en) 2012-02-23
KR101477122B1 (ko) 2015-01-28

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