TW200746680A - Uplink channel estimation using a signaling channel - Google Patents

Uplink channel estimation using a signaling channel

Info

Publication number
TW200746680A
TW200746680A TW096109651A TW96109651A TW200746680A TW 200746680 A TW200746680 A TW 200746680A TW 096109651 A TW096109651 A TW 096109651A TW 96109651 A TW96109651 A TW 96109651A TW 200746680 A TW200746680 A TW 200746680A
Authority
TW
Taiwan
Prior art keywords
channel
subcarriers
data
pilot
uplink
Prior art date
Application number
TW096109651A
Other languages
English (en)
Other versions
TWI355819B (en
Inventor
Byoung-Hoon Kim
Durga Prasad Malladi
Hao Xu
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 TW200746680A publication Critical patent/TW200746680A/zh
Application granted granted Critical
Publication of TWI355819B publication Critical patent/TWI355819B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—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
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • 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
    • 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
    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
TW096109651A 2006-03-20 2007-03-20 Uplink channel estimation using a signaling channe TWI355819B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78458306P 2006-03-20 2006-03-20

Publications (2)

Publication Number Publication Date
TW200746680A true TW200746680A (en) 2007-12-16
TWI355819B TWI355819B (en) 2012-01-01

Family

ID=38442191

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096109651A TWI355819B (en) 2006-03-20 2007-03-20 Uplink channel estimation using a signaling channe

Country Status (8)

Country Link
EP (1) EP1997289B1 (zh)
JP (4) JP2009530992A (zh)
KR (1) KR100962460B1 (zh)
CN (2) CN101427537A (zh)
AR (1) AR061783A1 (zh)
ES (1) ES2395547T3 (zh)
TW (1) TWI355819B (zh)
WO (1) WO2007109679A2 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI508602B (zh) * 2009-04-23 2015-11-11 Interdigital Patent Holdings 在多載波無線通訊中隨機存取方法及裝置

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8325671B2 (en) * 2007-09-06 2012-12-04 Qualcomm Incorporated Methods and apparatus for improved utilization of air link resources in a wireless communications system including a multi-antenna element base station
US7924803B2 (en) * 2007-11-09 2011-04-12 Mitsubishi Electric Research Labs, Inc. Antenna selection for mobile stations in OFDMA networks
CN104539343B (zh) * 2008-01-02 2019-01-04 交互数字技术公司 Wtru、在wtru中使用的方法及网络节点
CN102017441A (zh) * 2008-09-05 2011-04-13 上海贝尔股份有限公司 无线接入网络的上行信号发送和信道估计方法和装置
KR101639810B1 (ko) 2009-01-13 2016-07-25 엘지전자 주식회사 무선통신 시스템에서 사운딩 참조신호의 전송방법
US8462741B2 (en) * 2009-08-04 2013-06-11 Qualcomm Incorporated Uplink power control for multiple transmit antennas
EP3249842B1 (en) 2009-08-21 2018-11-14 BlackBerry Limited Transmission of information in a wireless communication system
US9814003B2 (en) 2009-11-06 2017-11-07 Blackberry Limited Transmission of information in a wireless communication system
US9474082B2 (en) * 2009-11-09 2016-10-18 Apple Inc. Method and apparatus for co-scheduling transmissions in a wireless network
JP2011188382A (ja) * 2010-03-10 2011-09-22 Nippon Telegr & Teleph Corp <Ntt> 通信方法、通信システム、基地局通信装置、及び端末通信装置
WO2011130292A1 (en) 2010-04-12 2011-10-20 Qualcomm Atheros, Inc. Detecting delimiters for low-overhead communication in a network
CN102291834B (zh) * 2010-06-21 2016-08-24 中兴通讯股份有限公司 多输入多输出的资源调度方法和基站
KR101730685B1 (ko) * 2010-06-22 2017-04-27 엘지전자 주식회사 채널 상태 정보 전송 방법 및 장치
CN102882657B (zh) 2011-07-15 2018-01-23 瑞典爱立信有限公司 用于上行链路秩自适应的方法、设备和系统
CN104888454B (zh) * 2014-03-03 2020-07-24 联想(北京)有限公司 一种数据处理方法及相应电子设备
US9106472B1 (en) * 2014-06-27 2015-08-11 Ibiquity Digital Corporation Channel state information (CSI) estimation and applications for in-band on-channel radio receivers
KR101995941B1 (ko) * 2014-07-31 2019-07-03 후아웨이 테크놀러지 컴퍼니 리미티드 송신 기기 및 데이터 프레임을 송신하는 방법
US10425901B2 (en) * 2017-06-26 2019-09-24 Qualcomm Incorporated Uplink transmit power control during random access procedures

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI97502C (fi) * 1994-05-24 1996-12-27 Nokia Telecommunications Oy Menetelmä yhteyden laadun parantamiseksi solukkoradiojärjestelmässä ja tukiasema
CA2214934C (en) * 1996-09-24 2001-10-30 At&T Corp. Method and apparatus for mobile data communication
JP2001352311A (ja) * 2000-06-07 2001-12-21 Mitsubishi Electric Corp 検波方法およびマルチキャリア受信装置
US20020111142A1 (en) * 2000-12-18 2002-08-15 Klimovitch Gleb V. System, apparatus, and method of estimating multiple-input multiple-output wireless channel with compensation for phase noise and frequency offset
US7047016B2 (en) * 2001-05-16 2006-05-16 Qualcomm, Incorporated Method and apparatus for allocating uplink resources in a multiple-input multiple-output (MIMO) communication system
US7269127B2 (en) * 2001-10-04 2007-09-11 Bae Systems Information And Electronic Systems Integration Inc. Preamble structures for single-input, single-output (SISO) and multi-input, multi-output (MIMO) communication systems
JP3796188B2 (ja) * 2002-04-09 2006-07-12 パナソニック モバイルコミュニケーションズ株式会社 Ｏｆｄｍ通信方法およびｏｆｄｍ通信装置
CN100512536C (zh) * 2002-05-09 2009-07-08 诺基亚有限公司 在无线电接入网络中传输功率偏移信号的方法、装置和系统
KR100640470B1 (ko) * 2002-06-29 2006-10-30 삼성전자주식회사 패킷 서비스 통신 시스템에서 전송 안테나 다이버시티방식을 사용하여 데이터를 전송 장치 및 방법
US7986742B2 (en) * 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8208364B2 (en) * 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US8218609B2 (en) * 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
JP3717913B2 (ja) * 2002-12-27 2005-11-16 三洋電機株式会社 無線装置
KR100575993B1 (ko) * 2003-08-07 2006-05-02 삼성전자주식회사 다중 송수신 안테나를 사용하는 이동통신 시스템에서 다중사용자를 위한 스케쥴링 방법 및 장치
US7298805B2 (en) * 2003-11-21 2007-11-20 Qualcomm Incorporated Multi-antenna transmission for spatial division multiple access
US7701917B2 (en) * 2004-02-05 2010-04-20 Qualcomm Incorporated Channel estimation for a wireless communication system with multiple parallel data streams
RU2006134653A (ru) * 2004-03-30 2008-04-10 Мацусита Электрик Индастриал Ко. Устройство для базовой станции, устройство для мобильной станции и способ планирования работы канала данных
EP1751903A2 (en) * 2004-05-13 2007-02-14 Koninklijke Philips Electronics N.V. Method and system for implementing multiple-in-multiple-out ofdm wireless local area network
CN100359960C (zh) * 2004-06-11 2008-01-02 华为技术有限公司 一种在正交多路频分复用系统中实现信道估计的方法
US7830976B2 (en) * 2004-07-16 2010-11-09 Qualcomm Incorporated Iterative channel and interference estimation with dedicated pilot tones for OFDMA
CN100493060C (zh) * 2004-07-27 2009-05-27 华为技术有限公司 一种通信系统时频资源的分配方法
CN1741412B (zh) * 2004-08-27 2011-06-08 清华大学 无线网络中子信道分配的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI508602B (zh) * 2009-04-23 2015-11-11 Interdigital Patent Holdings 在多載波無線通訊中隨機存取方法及裝置

Also Published As

Publication number Publication date
EP1997289B1 (en) 2012-09-12
CN105743554B (zh) 2018-11-09
EP1997289A2 (en) 2008-12-03
WO2007109679A3 (en) 2007-12-21
CN105743554A (zh) 2016-07-06
AR061783A1 (es) 2008-09-24
JP6181128B2 (ja) 2017-08-16
JP2016054484A (ja) 2016-04-14
JP2012231492A (ja) 2012-11-22
KR100962460B1 (ko) 2010-06-14
CN101427537A (zh) 2009-05-06
ES2395547T3 (es) 2013-02-13
JP2014099902A (ja) 2014-05-29
WO2007109679A2 (en) 2007-09-27
KR20080108553A (ko) 2008-12-15
JP5619822B2 (ja) 2014-11-05
JP2009530992A (ja) 2009-08-27
TWI355819B (en) 2012-01-01

Similar Documents

Publication Publication Date Title
TW200746680A (en) Uplink channel estimation using a signaling channel
US9325483B2 (en) Flexible MIMO resource allocation through cross-correlation nulling and frequency domain segmented receiver processing
JP6290863B2 (ja) Ｃｓｉレポーティングのための方法及び装置
KR101573001B1 (ko) 수신기 및 그의 기준 신호 이용 방법
EP2985933A2 (en) Radio base station apparatus, mobile station apparatus and radio communication method
US10911172B2 (en) User apparatus, base station, interference reducing method and interference reducing control information notification method
KR20170109015A (ko) 비-직교 다중 접속 송신 방법, 기지국 및 사용자 기기
TW200703995A (en) Rate selection for a quasi-orthogonal communication system
CN104205660A (zh) 用于高级无线网络的信道状态信息导频设计的装置和方法
WO2012006005A3 (en) Demodulation reference signal based channel state information feedback in ofdm-mimo systems
TWI316339B (en) Apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas
CN104105120A (zh) 一种干扰测量方法、网络侧设备及终端设备
KR20110117720A (ko) 무선 통신 시스템에서 공간 정보 피드백
RU2009137592A (ru) Гибридная пилотная конфигурация
CN101800583A (zh) 用于多用户和多小区mimo传输的系统和方法
WO2010147416A3 (en) Method and apparatus for feeding back channel state information
WO2005024995A3 (en) Communication system and method for channel estimation and beamforming using a multi-element array antenna
MY145297A (en) Systems and methods for beamforming in multi-input multi-output communication systems
TW200735567A (en) Method and apparatus for estimating signal-to-noise ratio based on dedicated physical channel pilot symbols
CN102860102A (zh) 无线通信方法、无线基站、移动终端、无线通信系统
JP2021048603A (ja) 無線通信装置及び無線通信方法
US20160205670A1 (en) Radio communication apparatus, channel estimation method, and signal relay method
JPWO2016027556A1 (ja) 基地局、ユーザ装置および無線通信システム
Ren et al. Outage reduction in cooperative networks with limited feedback
JP5554150B2 (ja) 基地局及び端末装置