KR20140097261A - 파일럿 신호 전송 방법, 채널 추정 방법, 장치, 및 시스템 - Google Patents

파일럿 신호 전송 방법, 채널 추정 방법, 장치, 및 시스템 Download PDF

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KR20140097261A
KR20140097261A KR1020147014603A KR20147014603A KR20140097261A KR 20140097261 A KR20140097261 A KR 20140097261A KR 1020147014603 A KR1020147014603 A KR 1020147014603A KR 20147014603 A KR20147014603 A KR 20147014603A KR 20140097261 A KR20140097261 A KR 20140097261A
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South Korea
Prior art keywords
antenna
terminal
category
tti
cpich
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KR1020147014603A
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English (en)
Korean (ko)
Inventor
샤오레이 톄
후안 저우
겅스 우
멍 화
원취안 후
Original Assignee
후아웨이 테크놀러지 컴퍼니 리미티드
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Publication of KR20140097261A publication Critical patent/KR20140097261A/ko
Ceased legal-status Critical Current

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    • 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
    • H04B7/0602—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 antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • 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
    • H04B7/06—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
    • H04B7/0684—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 using different training sequences per antenna
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0062—Avoidance of ingress interference, e.g. ham radio channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
KR1020147014603A 2012-01-21 2013-01-21 파일럿 신호 전송 방법, 채널 추정 방법, 장치, 및 시스템 Ceased KR20140097261A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201210019896.9A CN103220028B (zh) 2012-01-21 2012-01-21 导频信号发射方法、信道估计方法、装置及系统
CN201210019896.9 2012-01-21
PCT/CN2013/070804 WO2013107430A1 (zh) 2012-01-21 2013-01-21 导频信号发射方法、信道估计方法、装置及系统

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020167013217A Division KR101673964B1 (ko) 2012-01-21 2013-01-21 파일럿 신호 전송 방법, 채널 추정 방법, 장치, 및 시스템

Publications (1)

Publication Number Publication Date
KR20140097261A true KR20140097261A (ko) 2014-08-06

Family

ID=48798684

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020147014603A Ceased KR20140097261A (ko) 2012-01-21 2013-01-21 파일럿 신호 전송 방법, 채널 추정 방법, 장치, 및 시스템
KR1020167013217A Expired - Fee Related KR101673964B1 (ko) 2012-01-21 2013-01-21 파일럿 신호 전송 방법, 채널 추정 방법, 장치, 및 시스템

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020167013217A Expired - Fee Related KR101673964B1 (ko) 2012-01-21 2013-01-21 파일럿 신호 전송 방법, 채널 추정 방법, 장치, 및 시스템

Country Status (7)

Country Link
US (1) US9673880B2 (https=)
EP (1) EP2768155B1 (https=)
JP (1) JP5995253B2 (https=)
KR (2) KR20140097261A (https=)
CN (1) CN103220028B (https=)
MX (1) MX2014008173A (https=)
WO (1) WO2013107430A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013115706A2 (en) * 2012-01-30 2013-08-08 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for pilot power allocation in a multi antenna communication system
CN102655486B (zh) * 2012-05-10 2014-12-31 华为技术有限公司 一种导频信号发射方法、信道估计方法、装置及系统
CN104954053B (zh) * 2014-03-31 2019-02-05 华为技术有限公司 天线工作模式的选取装置、设备及方法
CN105790912B (zh) * 2014-12-26 2018-10-19 上海无线通信研究中心 TDD 模式massive MIMO 系统中上行导频的选择与分配方法
CN105790913B (zh) * 2014-12-26 2019-01-22 上海无线通信研究中心 FDD模式massive-MIMO系统中上行导频的选择与分配方法
CN105827273B (zh) * 2016-03-08 2018-10-23 上海交通大学 多小区大规模mimo系统用户双天线导频干扰消除方法
WO2017166225A1 (zh) 2016-03-31 2017-10-05 华为技术有限公司 传输数据的方法、基站和用户设备
CN108834063B (zh) * 2018-05-31 2022-02-25 北京佰才邦技术股份有限公司 终端调度方法和装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6952454B1 (en) * 2000-03-22 2005-10-04 Qualcomm, Incorporated Multiplexing of real time services and non-real time services for OFDM systems
DE10140532A1 (de) * 2001-08-17 2003-02-27 Siemens Ag Verfahren zum Übertragen eines globalen Pilotsignals zwischen Stationen eines Funk-Kommunikationsystems und Station dafür
US8000221B2 (en) 2004-07-20 2011-08-16 Qualcomm, Incorporated Adaptive pilot insertion for a MIMO-OFDM system
US8139672B2 (en) 2005-09-23 2012-03-20 Qualcomm Incorporated Method and apparatus for pilot communication in a multi-antenna wireless communication system
US8130857B2 (en) * 2006-01-20 2012-03-06 Qualcomm Incorporated Method and apparatus for pilot multiplexing in a wireless communication system
US8503402B2 (en) * 2006-09-14 2013-08-06 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangements for load balancing of power amplifiers
CN101989970A (zh) * 2009-08-07 2011-03-23 中国移动通信集团公司 一种解调导频信号的发送方法和设备
ES2370108B1 (es) * 2009-09-21 2012-10-26 Vodafone España S.A.U. Metodo y sistema para asignar dinamicamente portadoras en una red mimo utilizando s-cpih
CN102655486B (zh) * 2012-05-10 2014-12-31 华为技术有限公司 一种导频信号发射方法、信道估计方法、装置及系统

Also Published As

Publication number Publication date
CN103220028A (zh) 2013-07-24
US9673880B2 (en) 2017-06-06
JP2015510293A (ja) 2015-04-02
US20140307718A1 (en) 2014-10-16
EP2768155A4 (en) 2014-12-10
MX2014008173A (es) 2014-10-06
WO2013107430A1 (zh) 2013-07-25
EP2768155A1 (en) 2014-08-20
JP5995253B2 (ja) 2016-09-21
CN103220028B (zh) 2016-03-30
KR20160060789A (ko) 2016-05-30
EP2768155B1 (en) 2018-05-30
KR101673964B1 (ko) 2016-11-08

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