KR100962460B1 - 시그널링 채널을 이용하는 업링크 채널 추정 - Google Patents

시그널링 채널을 이용하는 업링크 채널 추정 Download PDF

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Publication number
KR100962460B1
KR100962460B1 KR1020087025483A KR20087025483A KR100962460B1 KR 100962460 B1 KR100962460 B1 KR 100962460B1 KR 1020087025483 A KR1020087025483 A KR 1020087025483A KR 20087025483 A KR20087025483 A KR 20087025483A KR 100962460 B1 KR100962460 B1 KR 100962460B1
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South Korea
Prior art keywords
subcarriers
pilot
data
antennas
channel
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Expired - Fee Related
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KR1020087025483A
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English (en)
Korean (ko)
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KR20080108553A (ko
Inventor
김병훈
더가 프라사드 맬라디
하오 수
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퀄컴 인코포레이티드
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    • 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]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
KR1020087025483A 2006-03-20 2007-03-20 시그널링 채널을 이용하는 업링크 채널 추정 Expired - Fee Related KR100962460B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78458306P 2006-03-20 2006-03-20
US60/784,583 2006-03-20

Publications (2)

Publication Number Publication Date
KR20080108553A KR20080108553A (ko) 2008-12-15
KR100962460B1 true KR100962460B1 (ko) 2010-06-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020087025483A Expired - Fee Related KR100962460B1 (ko) 2006-03-20 2007-03-20 시그널링 채널을 이용하는 업링크 채널 추정

Country Status (8)

Country Link
EP (1) EP1997289B1 (https=)
JP (4) JP2009530992A (https=)
KR (1) KR100962460B1 (https=)
CN (2) CN105743554B (https=)
AR (1) AR061783A1 (https=)
ES (1) ES2395547T3 (https=)
TW (1) TWI355819B (https=)
WO (1) WO2007109679A2 (https=)

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US7924803B2 (en) * 2007-11-09 2011-04-12 Mitsubishi Electric Research Labs, Inc. Antenna selection for mobile stations in OFDMA networks
KR101572291B1 (ko) * 2008-01-02 2015-12-02 인터디지탈 테크날러지 코포레이션 협력적 무선 통신을 위한 방법 및 장치
JP5410529B2 (ja) * 2008-09-05 2014-02-05 アルカテル−ルーセント 無線アクセス・ネットワーク内のアップリンク信号伝送およびチャネル推定のための方法および装置
KR101639810B1 (ko) 2009-01-13 2016-07-25 엘지전자 주식회사 무선통신 시스템에서 사운딩 참조신호의 전송방법
EP2613603B1 (en) * 2009-04-23 2021-12-08 InterDigital Patent Holdings, Inc. Method and apparatus for random access in multicarrier wireless communications
US8462741B2 (en) * 2009-08-04 2013-06-11 Qualcomm Incorporated Uplink power control for multiple transmit antennas
KR101621582B1 (ko) 2009-08-21 2016-05-16 블랙베리 리미티드 무선 통신 시스템에서의 정보의 전송
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
WO2011130316A1 (en) 2010-04-12 2011-10-20 Qualcomm Atheros, Inc. 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
WO2011162520A2 (ko) * 2010-06-22 2011-12-29 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
EP3496507B1 (en) * 2014-07-31 2022-02-23 Huawei Technologies Co., Ltd. Transmission device and method for transmitting data frame
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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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
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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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Also Published As

Publication number Publication date
JP5619822B2 (ja) 2014-11-05
JP6181128B2 (ja) 2017-08-16
WO2007109679A3 (en) 2007-12-21
WO2007109679A2 (en) 2007-09-27
KR20080108553A (ko) 2008-12-15
EP1997289B1 (en) 2012-09-12
TWI355819B (en) 2012-01-01
CN105743554B (zh) 2018-11-09
JP2012231492A (ja) 2012-11-22
JP2014099902A (ja) 2014-05-29
EP1997289A2 (en) 2008-12-03
JP2009530992A (ja) 2009-08-27
CN101427537A (zh) 2009-05-06
CN105743554A (zh) 2016-07-06
ES2395547T3 (es) 2013-02-13
JP2016054484A (ja) 2016-04-14
AR061783A1 (es) 2008-09-24
TW200746680A (en) 2007-12-16

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