BR112014019469A2 - - Google Patents

Info

Publication number
BR112014019469A2
BR112014019469A2 BR112014019469A BR112014019469A BR112014019469A2 BR 112014019469 A2 BR112014019469 A2 BR 112014019469A2 BR 112014019469 A BR112014019469 A BR 112014019469A BR 112014019469 A BR112014019469 A BR 112014019469A BR 112014019469 A2 BR112014019469 A2 BR 112014019469A2
Authority
BR
Brazil
Application number
BR112014019469A
Other versions
BR112014019469A8 (pt
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 filed Critical
Publication of BR112014019469A2 publication Critical patent/BR112014019469A2/pt
Publication of BR112014019469A8 publication Critical patent/BR112014019469A8/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
    • H04B7/04—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
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals

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)
BR112014019469A 2012-02-07 2013-01-22 Correção de normalização de ganho de relatório de pmi e cqi para estação de base com conjunto de antena BR112014019469A8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/367,799 US9294179B2 (en) 2012-02-07 2012-02-07 Gain normalization correction of PMI and COI feedback for base station with antenna array
PCT/US2013/022487 WO2013119382A1 (en) 2012-02-07 2013-01-22 Gain normalization correction of pmi and cqi feedback for base station with antenna array

Publications (2)

Publication Number Publication Date
BR112014019469A2 true BR112014019469A2 (pt) 2017-06-20
BR112014019469A8 BR112014019469A8 (pt) 2017-07-11

Family

ID=47679038

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014019469A BR112014019469A8 (pt) 2012-02-07 2013-01-22 Correção de normalização de ganho de relatório de pmi e cqi para estação de base com conjunto de antena

Country Status (8)

Country Link
US (1) US9294179B2 (pt)
EP (1) EP2813005B1 (pt)
KR (1) KR20140125372A (pt)
CN (1) CN104170272B (pt)
BR (1) BR112014019469A8 (pt)
MX (1) MX337710B (pt)
TW (1) TWI580209B (pt)
WO (1) WO2013119382A1 (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10367558B2 (en) * 2012-02-07 2019-07-30 Motorola Mobility Llc Method and apparatus for optimizing antenna precoder selection with coupled antennas
JP5841232B2 (ja) * 2012-02-29 2016-01-13 京セラ株式会社 通信制御方法、ユーザ端末、基地局、及びプロセッサ
JP2015513280A (ja) * 2012-03-30 2015-04-30 ノキア ソリューションズ アンド ネットワークス オサケユキチュア ユーザごとの仰角ｍｉｍｏのためのフィードバック方法
US9900064B2 (en) * 2012-10-03 2018-02-20 Sckipio Technologies S.I Ltd Hybrid precoder
JP2014086790A (ja) * 2012-10-22 2014-05-12 Alps Electric Co Ltd 通信機器間の認証方法
GB2512389A (en) * 2013-03-28 2014-10-01 Airspan Networks Inc System and method for determining modulation control information and a reference signal design to be used by a transmitter node
FR3009897B1 (fr) * 2013-08-20 2015-08-14 Commissariat Energie Atomique Procede de determination d'un reseau antennaire
US9743432B2 (en) 2013-09-23 2017-08-22 Qualcomm Incorporated LTE-U uplink waveform and variable multi-subframe scheduling
CN104659491B (zh) * 2015-02-10 2017-11-28 武汉大学 一种用于hf/vhf雷达的微型接收天线及方位角估计方法
WO2016190971A1 (en) * 2015-05-22 2016-12-01 Motorola Mobility Llc Method and apparatus for optimizing antenna precoder selection with coupled antennas
US10302743B2 (en) * 2015-06-09 2019-05-28 Raytheon Company Systems and methods for antenna analysis and validation
US9590708B1 (en) * 2015-08-25 2017-03-07 Motorola Mobility Llc Method and apparatus for equal energy codebooks for antenna arrays with mutual coupling
US9590706B1 (en) * 2015-09-16 2017-03-07 Motorola Mobility Llc Method and apparatus for equal energy codebooks for antenna arrays with mutual coupling
KR102042686B1 (ko) * 2016-02-04 2019-11-08 모토로라 모빌리티 엘엘씨 결합된 안테나들로 안테나 프리코더 선택을 최적화하기 위한 방법 및 장치
US11201647B2 (en) * 2016-08-11 2021-12-14 Motorola Mobility Llc Method and apparatus for equal energy codebooks for coupled antennas with transmission lines
US10154481B2 (en) * 2016-11-15 2018-12-11 Qualcomm Incorporated Optimization of search space and sounding reference signal placement for improved decoding timeline
CN108259071B (zh) 2016-12-28 2019-02-26 上海朗帛通信技术有限公司 一种被用于多天线传输的ue、基站中的方法和装置
US10127822B2 (en) * 2017-02-13 2018-11-13 Qualcomm Incorporated Drone user equipment indication
US10404337B1 (en) * 2018-08-03 2019-09-03 Nokia Technologies Oy Apparatuses and methods of user equipment specific codebook design
US20220150937A1 (en) * 2019-03-13 2022-05-12 Lg Electronics Inc. Method for controlling plurality of antenna remote units in sidelink-supporting wireless communication system, and device therefor

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7613248B2 (en) 2002-06-24 2009-11-03 Qualcomm Incorporated Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems
US7054664B2 (en) 2003-10-30 2006-05-30 Lucent Technologies Inc. Method and apparatus for providing user specific downlink beamforming in a fixed beam network
US7206354B2 (en) * 2004-02-19 2007-04-17 Qualcomm Incorporated Calibration of downlink and uplink channel responses in a wireless MIMO communication system
US7599714B2 (en) 2005-09-30 2009-10-06 Alcatel-Lucent Usa Inc. Increasing the range of access point cells for a given throughput in a downlink of a wireless local area network
WO2008103317A2 (en) 2007-02-16 2008-08-28 Interdigital Technology Corporation Precoded pilot transmission for multi-user and single user mimo communications
US8744510B2 (en) 2007-03-13 2014-06-03 Pranav Dayal Power control method and apparatus for wireless communications
US8179775B2 (en) * 2007-08-14 2012-05-15 Texas Instruments Incorporated Precoding matrix feedback processes, circuits and systems
US8798183B2 (en) 2007-08-13 2014-08-05 Qualcomm Incorporated Feedback and rate adaptation for MIMO transmission in a time division duplexed (TDD) communication system
US8099132B2 (en) 2007-08-15 2012-01-17 Qualcomm Incorporated Antenna switching and uplink sounding channel measurement
US8014265B2 (en) 2007-08-15 2011-09-06 Qualcomm Incorporated Eigen-beamforming for wireless communication systems
US20090093222A1 (en) 2007-10-03 2009-04-09 Qualcomm Incorporated Calibration and beamforming in a wireless communication system
EP2262307A1 (en) * 2008-04-04 2010-12-15 Panasonic Corporation Wireless communication mobile station device and method for using precoding matrix
US20100290449A1 (en) 2008-08-20 2010-11-18 Qualcomm Incorporated Preamble extensions
US8315657B2 (en) 2008-09-22 2012-11-20 Futurewei Technologies, Inc. System and method for enabling coordinated beam switching and scheduling
US10213164B2 (en) 2008-09-26 2019-02-26 Qualcomm Incorporated Method and apparatus for under-sampled acquisition and transmission of photoplethysmograph (PPG) data and reconstruction of full band PPG data at the receiver
US7970365B2 (en) 2008-11-19 2011-06-28 Harris Corporation Systems and methods for compensating for transmission phasing errors in a communications system using a receive signal
EP2403173B1 (en) * 2009-02-24 2017-03-29 Panasonic Corporation Wireless transmission apparatus and precoding method
US8923215B2 (en) 2009-02-27 2014-12-30 Qualcomm Incorporated Method and apparatus for scheduling transmissions in spatial division multiple access network systems
US8867495B2 (en) 2009-03-20 2014-10-21 Qualcomm Incorporated Feedback mechanisms for beamforming operation
US20100246651A1 (en) 2009-03-31 2010-09-30 Qualcomm Incorporated Packet loss mitigation in transmission of biomedical signals for healthcare and fitness applications
US8463191B2 (en) 2009-04-02 2013-06-11 Qualcomm Incorporated Beamforming options with partial channel knowledge
US20100260060A1 (en) 2009-04-08 2010-10-14 Qualcomm Incorporated Integrated calibration protocol for wireless lans
EP2448136B1 (en) * 2009-06-23 2019-01-23 Alcatel Lucent Method for channel status information feedback and device thereof
RU2494541C1 (ru) 2009-08-17 2013-09-27 Алькатель Люсент Способ и ассоциированное устройство для сохранения когерентности канала предварительного кодирования в сети связи
US7999625B2 (en) 2009-09-18 2011-08-16 Qualcomm, Incorporated Method and apparatus for calibrating oscillators
KR101700956B1 (ko) * 2010-01-29 2017-01-31 삼성전자주식회사 통신 시스템에서 단말의 위치를 식별하는 방법 및 장치
US8559990B2 (en) * 2010-02-05 2013-10-15 Qualcomm Incorporated Apparatus and method for enabling uplink beamforming transit diversity channel estimation
US8743799B2 (en) * 2010-06-24 2014-06-03 Nokia Siemens Networks Oy Change of rate matching modes in presence of channel state information reference signal transmission
US20110317748A1 (en) 2010-06-29 2011-12-29 Interdigital Patent Holdings, Inc. Demodulation reference signal based channel state information feedback in ofdm-mimo systems

Also Published As

Publication number Publication date
KR20140125372A (ko) 2014-10-28
CN104170272B (zh) 2018-07-27
EP2813005A1 (en) 2014-12-17
MX337710B (es) 2016-03-15
EP2813005B1 (en) 2019-05-15
CN104170272A (zh) 2014-11-26
TWI580209B (zh) 2017-04-21
BR112014019469A8 (pt) 2017-07-11
WO2013119382A1 (en) 2013-08-15
MX2014009478A (es) 2014-09-22
TW201338452A (zh) 2013-09-16
US20130202015A1 (en) 2013-08-08
US9294179B2 (en) 2016-03-22

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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]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements