MX2009007129A - Metodo y disposicion en un sistema de comunicaciones inalambricas. - Google Patents

Metodo y disposicion en un sistema de comunicaciones inalambricas.

Info

Publication number
MX2009007129A
MX2009007129A MX2009007129A MX2009007129A MX2009007129A MX 2009007129 A MX2009007129 A MX 2009007129A MX 2009007129 A MX2009007129 A MX 2009007129A MX 2009007129 A MX2009007129 A MX 2009007129A MX 2009007129 A MX2009007129 A MX 2009007129A
Authority
MX
Mexico
Prior art keywords
node
information
signal
arrangement
wireless communications
Prior art date
Application number
MX2009007129A
Other languages
English (en)
Spanish (es)
Inventor
Bo Goeransson
George Joengren
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of MX2009007129A publication Critical patent/MX2009007129A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • 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
    • 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
    • H04B7/0481—Special codebook structures directed to feedback optimisation using subset selection of codebooks
    • 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
    • H04B7/0482—Adaptive codebooks
    • 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
    • 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
    • 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
    • H04B7/0621—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
    • H04B7/0639—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
    • 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
    • H04B7/0658—Feedback reduction
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • 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
    • 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
    • H04L1/0025—Transmission of mode-switching 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
    • H04L1/0028—Formatting

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)
MX2009007129A 2007-01-12 2007-10-18 Metodo y disposicion en un sistema de comunicaciones inalambricas. MX2009007129A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0700062 2007-01-12
PCT/SE2007/050754 WO2008085096A1 (en) 2007-01-12 2007-10-18 Method and arrangement in a wireless communications system

Publications (1)

Publication Number Publication Date
MX2009007129A true MX2009007129A (es) 2009-07-09

Family

ID=39608883

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009007129A MX2009007129A (es) 2007-01-12 2007-10-18 Metodo y disposicion en un sistema de comunicaciones inalambricas.

Country Status (16)

Country Link
US (6) US8724543B2 (enExample)
EP (3) EP2119030B1 (enExample)
JP (1) JP5368999B2 (enExample)
KR (1) KR101413778B1 (enExample)
CN (2) CN101578774B (enExample)
AR (1) AR064884A1 (enExample)
AU (1) AU2007342726B2 (enExample)
DK (2) DK2119030T3 (enExample)
ES (2) ES2899934T3 (enExample)
MX (1) MX2009007129A (enExample)
PL (2) PL3544198T3 (enExample)
PT (2) PT3544198T (enExample)
SG (1) SG177972A1 (enExample)
TR (1) TR201909036T4 (enExample)
TW (2) TW201230710A (enExample)
WO (1) WO2008085096A1 (enExample)

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KR101435846B1 (ko) * 2008-10-30 2014-08-29 엘지전자 주식회사 다중안테나를 갖는 무선 통신 시스템에서 간섭 제어 방법
US8391392B2 (en) 2009-01-05 2013-03-05 Marvell World Trade Ltd. Precoding codebooks for MIMO communication systems
KR101505689B1 (ko) 2009-01-08 2015-03-25 엘지전자 주식회사 다중 셀 협력에 기반하는 데이터 전송 방법
JP5258002B2 (ja) * 2010-02-10 2013-08-07 マーベル ワールド トレード リミテッド Ｍｉｍｏ通信システムにおける装置、移動通信端末、チップセット、およびその方法
US9130607B2 (en) * 2010-03-30 2015-09-08 Qualcomm Incorporated Systems, apparatuses, and methods to facilitate coordinated scheduling in wireless communication systems
EP2556599B1 (en) 2010-04-07 2016-11-09 Telefonaktiebolaget LM Ericsson (publ) Parameterized codebook with subset restrictions for use with precoding mimo transmissions
CN101917365B (zh) * 2010-08-16 2015-06-03 中兴通讯股份有限公司 一种码本的配置方法、装置和系统
EP2437408B1 (en) * 2010-10-04 2017-12-27 Samsung Electronics Co., Ltd. Method and apparatus for transmitting and receiving codebook subset restriction bitmap
JP2012100254A (ja) 2010-10-06 2012-05-24 Marvell World Trade Ltd Ｐｕｃｃｈフィードバックのためのコードブックサブサンプリング
KR101653858B1 (ko) * 2010-12-02 2016-09-02 인터디지탈 패튼 홀딩스, 인크 간섭 예측을 사용하여 무선 통신에서 채널 품질 표시 피드백 정확도를 향상시키는 시스템 및 방법
JP5265657B2 (ja) * 2010-12-27 2013-08-14 シャープ株式会社 基地局装置、端末装置、通信システムおよび通信方法
US9020058B2 (en) 2011-11-07 2015-04-28 Marvell World Trade Ltd. Precoding feedback for cross-polarized antennas based on signal-component magnitude difference
WO2013068916A1 (en) 2011-11-07 2013-05-16 Marvell World Trade Ltd. Codebook sub-sampling for frequency-selective precoding feedback
AU2013303261A1 (en) * 2012-08-15 2015-02-26 Telefonaktiebolaget L M Ericsson (Publ) Precoding codebook bitmaps in telecommunications
JP5701332B2 (ja) * 2013-05-07 2015-04-15 シャープ株式会社 基地局装置、端末装置、通信システムおよび通信方法
CN104144030B (zh) * 2013-05-09 2019-05-10 中兴通讯股份有限公司 数据发送、接收方法、数据发送及接收端
US9872242B2 (en) * 2014-01-31 2018-01-16 Qualcomm Incorporated Joint transmission of CSI-RS for channel state feedback and transmission point selection
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Also Published As

Publication number Publication date
KR20090101228A (ko) 2009-09-24
CN101578774A (zh) 2009-11-11
DK2119030T3 (da) 2019-07-08
US8724543B2 (en) 2014-05-13
US9059762B2 (en) 2015-06-16
WO2008085096A1 (en) 2008-07-17
TR201909036T4 (tr) 2019-07-22
US20180131419A1 (en) 2018-05-10
EP3544198A1 (en) 2019-09-25
AU2007342726A1 (en) 2008-07-17
TWI382694B (zh) 2013-01-11
CN104579445B (zh) 2019-06-21
AR064884A1 (es) 2009-04-29
PT3544198T (pt) 2021-10-21
US9866296B2 (en) 2018-01-09
US11552681B2 (en) 2023-01-10
US20210006305A1 (en) 2021-01-07
EP2119030A4 (en) 2015-05-06
US20140247773A1 (en) 2014-09-04
US20150263801A1 (en) 2015-09-17
PL2119030T3 (pl) 2019-11-29
ES2733048T3 (es) 2019-11-27
US10771129B2 (en) 2020-09-08
EP3975437C0 (en) 2025-05-14
EP3544198B1 (en) 2021-09-15
US20100039990A1 (en) 2010-02-18
US20170078005A1 (en) 2017-03-16
EP2119030A1 (en) 2009-11-18
US9531464B2 (en) 2016-12-27
SG177972A1 (en) 2012-02-28
TW201230710A (en) 2012-07-16
CN104579445A (zh) 2015-04-29
JP2010516168A (ja) 2010-05-13
AU2007342726B2 (en) 2012-04-05
DK3544198T3 (da) 2021-10-18
EP3975437A1 (en) 2022-03-30
EP3975437B1 (en) 2025-05-14
TW200841622A (en) 2008-10-16
PT2119030T (pt) 2019-07-10
ES2899934T3 (es) 2022-03-15
KR101413778B1 (ko) 2014-06-30
EP2119030B1 (en) 2019-05-08
JP5368999B2 (ja) 2013-12-18
CN101578774B (zh) 2015-01-21
PL3544198T3 (pl) 2022-01-31

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