TWI355819B - Uplink channel estimation using a signaling channe - Google Patents

Uplink channel estimation using a signaling channe Download PDF

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Publication number
TWI355819B
TWI355819B TW096109651A TW96109651A TWI355819B TW I355819 B TWI355819 B TW I355819B TW 096109651 A TW096109651 A TW 096109651A TW 96109651 A TW96109651 A TW 96109651A TW I355819 B TWI355819 B TW I355819B
Authority
TW
Taiwan
Prior art keywords
subcarriers
antennas
data
channel
preamble
Prior art date
Application number
TW096109651A
Other languages
English (en)
Chinese (zh)
Other versions
TW200746680A (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

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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
    • 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. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [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. 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
    • 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, e.g. multi-user orthogonal frequency division multiple access [OFDMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
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 TW200746680A (en) 2007-12-16
TWI355819B true 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 (enExample)
JP (4) JP2009530992A (enExample)
KR (1) KR100962460B1 (enExample)
CN (2) CN105743554B (enExample)
AR (1) AR061783A1 (enExample)
ES (1) ES2395547T3 (enExample)
TW (1) TWI355819B (enExample)
WO (1) WO2007109679A2 (enExample)

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EP2323275B1 (en) * 2008-09-05 2015-12-02 Alcatel Lucent Method and device for uplink signals transmission in wireless access network
KR101639810B1 (ko) 2009-01-13 2016-07-25 엘지전자 주식회사 무선통신 시스템에서 사운딩 참조신호의 전송방법
CN105050198A (zh) * 2009-04-23 2015-11-11 交互数字专利控股公司 eNB及在其中使能允许的多载波UL RACH配置集合使用的方法
US8462741B2 (en) * 2009-08-04 2013-06-11 Qualcomm Incorporated Uplink power control for multiple transmit antennas
PL3249842T3 (pl) 2009-08-21 2019-04-30 Blackberry Ltd Transmisja informacji w systemie komunikacji bezprzewodowej
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
US9326316B2 (en) 2010-04-12 2016-04-26 Qualcomm Incorporated Repeating 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
CN105721032B (zh) * 2010-06-22 2019-02-05 Lg电子株式会社 报告信道状态信息的方法和装置
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
US12087528B2 (en) 2021-02-01 2024-09-10 Ge Infrastructure Technology Llc Enhanced switchgear monitoring and diagnostics in a protection relay

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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
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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
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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

Also Published As

Publication number Publication date
CN105743554A (zh) 2016-07-06
JP6181128B2 (ja) 2017-08-16
JP2009530992A (ja) 2009-08-27
WO2007109679A2 (en) 2007-09-27
ES2395547T3 (es) 2013-02-13
KR20080108553A (ko) 2008-12-15
CN101427537A (zh) 2009-05-06
JP5619822B2 (ja) 2014-11-05
JP2012231492A (ja) 2012-11-22
EP1997289B1 (en) 2012-09-12
TW200746680A (en) 2007-12-16
KR100962460B1 (ko) 2010-06-14
EP1997289A2 (en) 2008-12-03
AR061783A1 (es) 2008-09-24
CN105743554B (zh) 2018-11-09
JP2014099902A (ja) 2014-05-29
JP2016054484A (ja) 2016-04-14
WO2007109679A3 (en) 2007-12-21

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