HUE044319T2 - Egyesített visszajelzõ keret MU-MIMO javításhoz preferált elõkódoló párosítások jelzése alapján - Google Patents

Egyesített visszajelzõ keret MU-MIMO javításhoz preferált elõkódoló párosítások jelzése alapján

Info

Publication number
HUE044319T2
HUE044319T2 HUE11758632A HUE044319T2 HU E044319 T2 HUE044319 T2 HU E044319T2 HU E11758632 A HUE11758632 A HU E11758632A HU E044319 T2 HUE044319 T2 HU E044319T2
Authority
HU
Hungary
Prior art keywords
indication
enhancement based
preferred precoder
feedback framework
unified feedback
Prior art date
Application number
Other languages
English (en)
Hungarian (hu)
Inventor
Stefan Geirhofer
Peter Gaal
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 HUE044319T2 publication Critical patent/HUE044319T2/hu

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • 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
    • H04L1/0618—Space-time coding
    • H04L1/0675—Space-time coding characterised by the signaling
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
HUE11758632 2010-09-08 2011-09-08 Egyesített visszajelzõ keret MU-MIMO javításhoz preferált elõkódoló párosítások jelzése alapján HUE044319T2 (hu)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38080410P 2010-09-08 2010-09-08
US38948010P 2010-10-04 2010-10-04
US13/227,322 US9203552B2 (en) 2010-09-08 2011-09-07 Unified feedback framework for MU-MIMO enhancement based on indication of preferred precoder pairings

Publications (1)

Publication Number Publication Date
HUE044319T2 true HUE044319T2 (hu) 2019-10-28

Family

ID=45770673

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE11758632 HUE044319T2 (hu) 2010-09-08 2011-09-08 Egyesített visszajelzõ keret MU-MIMO javításhoz preferált elõkódoló párosítások jelzése alapján

Country Status (8)

Country Link
US (1) US9203552B2 (enExample)
EP (1) EP2614609B1 (enExample)
JP (2) JP6042333B2 (enExample)
KR (2) KR101918835B1 (enExample)
CN (1) CN103098403B (enExample)
ES (1) ES2738503T3 (enExample)
HU (1) HUE044319T2 (enExample)
WO (1) WO2012033931A1 (enExample)

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KR20110048422A (ko) * 2009-11-02 2011-05-11 주식회사 팬택 채널 정보 피드백 장치와 그를 이용하는 통신단말장치 및 기지국 장치
KR20130007635A (ko) * 2010-04-29 2013-01-18 후지쯔 가부시끼가이샤 프리코딩 매트릭스 정보를 피드백하기 위한 방법 및 그의 이동국
JP5720284B2 (ja) * 2011-02-10 2015-05-20 ソニー株式会社 端末装置、フィードバック制御方法、基地局、ペアリング制御方法、プログラム及び無線通信システム
US9014150B2 (en) * 2012-03-06 2015-04-21 Industrial Technology Research Institute Method and apparatus of enhancing performance of downlink multi-user multiple-input-multiple-output transmissions in wireless communication system
CN103973350B (zh) * 2013-02-04 2018-03-23 普天信息技术研究院有限公司 一种多用户传输模式的多用户配对方法
US10063290B2 (en) 2013-03-15 2018-08-28 Interdigital Patent Holdings, Inc. Methods and procedures for non-linear precoding based multiuser multiple input multiple output
KR102319700B1 (ko) * 2014-05-02 2021-11-01 삼성전자 주식회사 무선 통신 시스템에서 선택적 채널 피드백 방법 및 장치
US9860168B1 (en) * 2015-09-21 2018-01-02 Amazon Technologies, Inc. Network packet header modification for hardware-based packet processing
US9819526B2 (en) * 2015-11-05 2017-11-14 Huawei Technologies Co., Ltd. Apparatus and methods for low PAPR transmission in MIMO systems
US20170325264A1 (en) * 2016-05-09 2017-11-09 Qualcomm Incorporated Backoff techniques for transitioning between single-user and multi-user modes
US11201640B2 (en) * 2017-06-28 2021-12-14 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for phase tracking-reference signal (PT-RS) port selection in downlink
US11901978B1 (en) 2019-05-03 2024-02-13 Sprint Spectrum Lp Performing multi-user multiple-input-multiple-output (MU-MIMO) in wireless networks
WO2021031143A1 (en) * 2019-08-21 2021-02-25 Qualcomm Incorporated Frequency domain basis restriction for csi reporting enhancement
WO2022016373A1 (zh) * 2020-07-21 2022-01-27 华为技术有限公司 信息传输方法、网络设备、用户设备、系统及电子设备

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
US20150030058A9 (en) 2006-05-17 2015-01-29 Texas Instruments Inc. Cqi feedback for mimo deployments
US8271043B2 (en) 2006-08-21 2012-09-18 Qualcomm Incorporated Approach to a unified SU-MIMO/MU-MIMO operation
KR100938088B1 (ko) 2006-11-01 2010-01-21 삼성전자주식회사 무선 패킷 데이터 통신 시스템에서의 피드백 정보 송수신방법 및 장치
US7649831B2 (en) 2007-05-30 2010-01-19 Samsung Electronics Co., Ltd. Multi-user MIMO feedback and transmission in a wireless communication system
US8699602B2 (en) * 2007-12-13 2014-04-15 Texas Instruments Incorporated Channel quality report processes, circuits and systems
US7907677B2 (en) 2007-08-10 2011-03-15 Intel Corporation Open loop MU-MIMO
CN101485103A (zh) * 2007-08-31 2009-07-15 富士通株式会社 无线通信系统和无线通信方法
EP2198664B1 (en) * 2007-08-31 2012-10-17 Koninklijke Philips Electronics N.V. Enhanced multi-user transmission
US8254486B2 (en) 2007-09-28 2012-08-28 Intel Corporation Unified closed loop SU/MU-MIMO signaling and codebook design
KR101352042B1 (ko) 2007-10-15 2014-01-15 삼성전자주식회사 다중 입출력 무선통신 시스템에서 다중 사용자 모드를 위한채널 정보 산출 장치 및 방법
WO2009061664A2 (en) * 2007-11-09 2009-05-14 Interdigital Patent Holdings, Inc. Method and apparatus for performing rank overriding in long term evolution networks
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US9520931B2 (en) 2009-11-02 2016-12-13 Huawei Technologies Co., Ltd. System and method for unified feedback in a communication system
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
US8644422B2 (en) * 2010-02-12 2014-02-04 Blackberry Limited Low overhead PMI and CQI feedback and pairing schemes for MU-MIMO
CN101771510B (zh) 2010-02-12 2015-06-03 中兴通讯股份有限公司 一种mimo信道信息反馈的方法及系统

Also Published As

Publication number Publication date
CN103098403A (zh) 2013-05-08
KR20130052018A (ko) 2013-05-21
US9203552B2 (en) 2015-12-01
KR101918835B1 (ko) 2018-11-14
KR20170002708A (ko) 2017-01-06
JP6042333B2 (ja) 2016-12-14
EP2614609A1 (en) 2013-07-17
ES2738503T3 (es) 2020-01-23
CN103098403B (zh) 2016-06-08
EP2614609B1 (en) 2019-04-24
JP6022533B2 (ja) 2016-11-09
US20120057482A1 (en) 2012-03-08
WO2012033931A1 (en) 2012-03-15
JP2013543297A (ja) 2013-11-28
JP2015109669A (ja) 2015-06-11

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