BR112012001844A2 - transmissões adaptativas em comunicações de múltiplos pontos coordenadas. - Google Patents

transmissões adaptativas em comunicações de múltiplos pontos coordenadas.

Info

Publication number
BR112012001844A2
BR112012001844A2 BR112012001844A BR112012001844A BR112012001844A2 BR 112012001844 A2 BR112012001844 A2 BR 112012001844A2 BR 112012001844 A BR112012001844 A BR 112012001844A BR 112012001844 A BR112012001844 A BR 112012001844A BR 112012001844 A2 BR112012001844 A2 BR 112012001844A2
Authority
BR
Brazil
Prior art keywords
coordinated multi
point communications
adaptive transmissions
transmissions
adaptive
Prior art date
Application number
BR112012001844A
Other languages
English (en)
Other versions
BR112012001844B1 (pt
Inventor
Prasad Malladi Durga
Montojo Juan
Liu Ke
Luo Tao
Zhang Xiaoxia
Wei Yongbin
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 BR112012001844A2 publication Critical patent/BR112012001844A2/pt
Publication of BR112012001844B1 publication Critical patent/BR112012001844B1/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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • 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
    • H04B7/0482—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
BR112012001844-2A 2009-07-29 2010-07-28 Método e aparelho de comunicação sem fio para comunicação adaptativa BR112012001844B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US22970209P 2009-07-29 2009-07-29
US61/229,702 2009-07-29
US12/842,752 US9172561B2 (en) 2009-07-29 2010-07-23 Adaptive transmissions in coordinated multiple point communications
US12/842,752 2010-07-23
PCT/US2010/043594 WO2011014583A2 (en) 2009-07-29 2010-07-28 Adaptive transmissions in coordinated multiple point communications

Publications (2)

Publication Number Publication Date
BR112012001844A2 true BR112012001844A2 (pt) 2017-05-16
BR112012001844B1 BR112012001844B1 (pt) 2021-07-13

Family

ID=43526894

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012001844-2A BR112012001844B1 (pt) 2009-07-29 2010-07-28 Método e aparelho de comunicação sem fio para comunicação adaptativa

Country Status (8)

Country Link
US (1) US9172561B2 (pt)
EP (1) EP2460328B1 (pt)
JP (1) JP5607159B2 (pt)
KR (1) KR101408818B1 (pt)
CN (1) CN102474474B (pt)
BR (1) BR112012001844B1 (pt)
TW (1) TWI435557B (pt)
WO (1) WO2011014583A2 (pt)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101997587B (zh) * 2009-08-14 2014-11-05 中兴通讯股份有限公司 多点协作传输中的cqi值确定方法及装置
EP2702699A1 (en) * 2011-04-27 2014-03-05 Fujitsu Limited Wireless communication with co-operating cells
BR112013030746B1 (pt) 2011-09-29 2021-11-03 Sun Patent Trust Método para determinar o indicador da qualidade de canal, estação base e equipamento do usuário para a mesma
US8837567B2 (en) * 2011-10-21 2014-09-16 Broadcom Corporation Systems and methods for channel estimation of MoCA signals
JP5785860B2 (ja) * 2011-11-30 2015-09-30 株式会社日立製作所 基地局及び干渉制御方法
US9300373B2 (en) * 2012-06-19 2016-03-29 Telefonaktiebolaget L M Ericsson (Publ) Selection of precoding vectors in lean-carrier systems
EP2870813B1 (en) * 2012-07-27 2021-06-02 Huawei Technologies Co., Ltd. System and method for multiple point communications
US9705649B2 (en) * 2013-08-12 2017-07-11 Telefonaktiebolaget L M Ericsson (Publ) Mobile relay node based CoMP assisted interference mitigation
EP4276059A3 (en) 2015-02-24 2024-05-01 City of Hope Chemically encoded spatially addressed library screening platforms
US10219169B1 (en) * 2015-07-09 2019-02-26 Quantenna Communications, Inc. Hybrid MU-MIMO spatial mapping using both explicit sounding and crosstalk tracking in a wireless local area network
JP6226244B2 (ja) * 2015-09-17 2017-11-08 サン パテント トラスト チャネル品質インジケータを決定するための方法およびユーザ機器
TWI591975B (zh) * 2015-12-23 2017-07-11 財團法人工業技術研究院 合作式多點傳輸方法、控制節點以及無線通訊裝置
US10264541B2 (en) * 2016-02-02 2019-04-16 Qualcomm Incorporated Operating mode coordination on a shared communication medium
US9729220B1 (en) * 2016-03-01 2017-08-08 Ceragon Networks Ltd. Transmit diversity and receive diversity for single carrier modulation
CN106765867B (zh) * 2016-11-14 2018-12-07 珠海格力电器股份有限公司 一种空调冷水机组控制方法及系统
EP3334224B1 (en) * 2016-12-07 2019-09-25 Industrial Technology Research Institute System of coordinating multi-cells and method thereof
WO2018173107A1 (ja) * 2017-03-21 2018-09-27 三菱電機株式会社 送信装置、受信装置、無線通信システム、送信方法および受信方法
CN108880645B (zh) * 2017-07-26 2019-08-27 华为技术有限公司 用于数据传输的方法、装置和系统
TWI639314B (zh) 2017-12-12 2018-10-21 財團法人工業技術研究院 多天線系統及預編碼方法
TWI717736B (zh) 2019-05-15 2021-02-01 財團法人工業技術研究院 多天線系統及其通道校正方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5228042A (en) * 1991-02-07 1993-07-13 Northern Telecom Limited Method and circuit for testing transmission paths
CN1184785C (zh) 2001-12-20 2005-01-12 上海交通大学 正交多载波系统发射分集的方法
AU2003903826A0 (en) 2003-07-24 2003-08-07 University Of South Australia An ofdm receiver structure
EP1728335A1 (en) 2004-03-24 2006-12-06 Telecom Italia S.p.A. Method and system for channel estimation, related receiver and computer program product
US7502412B2 (en) 2004-05-20 2009-03-10 Qisda Corporation Adaptive channel estimation using decision feedback
US8339930B2 (en) * 2005-05-16 2012-12-25 Qualcomm Incorporated Pilot transmission and channel estimation with pilot weighting
CN100477651C (zh) 2005-08-04 2009-04-08 复旦大学 一种基于组合导频的高性能ofdm信道估计方法
CN1996974A (zh) 2006-12-15 2007-07-11 北京工业大学 基于cdma扩频序列的自适应信道估计装置及其方法
KR101382894B1 (ko) 2007-03-12 2014-04-08 엘지전자 주식회사 다중 안테나 시스템에서의 제어정보 전송방법
CN101578829B (zh) 2007-03-21 2013-01-30 中兴通讯股份有限公司 一种信道估计方法
BRPI0809746B1 (pt) * 2007-04-20 2020-06-16 Interdigital Technology Corporation Método e aparelho para sinalização de informações de controle em modo MIMO
US8983397B2 (en) * 2008-10-10 2015-03-17 Qualcomm Incorporated Method and apparatus for channel feedback by multiple description coding in a wireless communication system
US8711716B2 (en) * 2009-06-19 2014-04-29 Texas Instruments Incorporated Multiple CQI feedback for cellular networks

Also Published As

Publication number Publication date
WO2011014583A2 (en) 2011-02-03
CN102474474B (zh) 2015-08-26
WO2011014583A3 (en) 2011-03-31
KR101408818B1 (ko) 2014-07-14
KR20120049902A (ko) 2012-05-17
TWI435557B (zh) 2014-04-21
US20110026421A1 (en) 2011-02-03
US9172561B2 (en) 2015-10-27
TW201110592A (en) 2011-03-16
JP5607159B2 (ja) 2014-10-15
BR112012001844B1 (pt) 2021-07-13
EP2460328B1 (en) 2019-01-23
JP2013501409A (ja) 2013-01-10
EP2460328A2 (en) 2012-06-06
CN102474474A (zh) 2012-05-23

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04L 25/02 , H04B 7/02

Ipc: H04B 7/024 (2017.01), H04B 7/0417 (2017.01), H04L

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 13/07/2021, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.