WO2008114661A1 - チャネル品質情報報告方法、基地局及びユーザ端末 - Google Patents

チャネル品質情報報告方法、基地局及びユーザ端末 Download PDF

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Publication number
WO2008114661A1
WO2008114661A1 PCT/JP2008/054509 JP2008054509W WO2008114661A1 WO 2008114661 A1 WO2008114661 A1 WO 2008114661A1 JP 2008054509 W JP2008054509 W JP 2008054509W WO 2008114661 A1 WO2008114661 A1 WO 2008114661A1
Authority
WO
WIPO (PCT)
Prior art keywords
channel quality
quality information
base station
user terminal
format
Prior art date
Application number
PCT/JP2008/054509
Other languages
English (en)
French (fr)
Inventor
Kenichi Higuchi
Satoshi Nagata
Original Assignee
Ntt Docomo, 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 Ntt Docomo, Inc. filed Critical Ntt Docomo, Inc.
Priority to AU2008227647A priority Critical patent/AU2008227647A1/en
Priority to US12/530,740 priority patent/US8472882B2/en
Priority to BRPI0808930-2A2A priority patent/BRPI0808930A2/pt
Priority to EP08721925.9A priority patent/EP2129155A4/en
Priority to CA002678796A priority patent/CA2678796A1/en
Priority to MX2009009600A priority patent/MX2009009600A/es
Publication of WO2008114661A1 publication Critical patent/WO2008114661A1/ja

Links

Classifications

    • 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
    • H04L1/0001—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
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • 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
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • 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
    • H04L1/0028—Formatting
    • H04L1/003—Adaptive formatting arrangements particular to signalling, e.g. variable amount of bits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

　ユーザ端末から基地局にチャネル品質情報を報告するチャネル品質情報報告方法は、基地局が、ユーザ端末の情報に基づいてチャネル品質情報フォーマットを決定するフォーマット決定ステップ；基地局が、決定されたチャネル品質情報フォーマットをユーザ端末に送信するフォーマット送信ステップ；ユーザ端末が、受信した前記チャネル品質情報フォーマットに基づいてチャネル品質情報を生成するチャネル品質情報生成ステップ；を有する。基地局は、所要のデータレートに基づいてチャネル品質情報フォーマットを決定してもよい。また、基地局は、遅延スプレッドに基づいてチャネル品質情報フォーマットを決定してもよい。また、基地局は、移動速度に基づいてチャネル品質情報フォーマットを決定してもよい。
PCT/JP2008/054509 2007-03-20 2008-03-12 チャネル品質情報報告方法、基地局及びユーザ端末 WO2008114661A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2008227647A AU2008227647A1 (en) 2007-03-20 2008-03-12 Channel quality information reporting method, base station, and user terminal
US12/530,740 US8472882B2 (en) 2007-03-20 2008-03-12 Channel quality information reporting method, base station, and user equipment
BRPI0808930-2A2A BRPI0808930A2 (pt) 2007-03-20 2008-03-12 Processo de relato de informações de qualidade de canal, estação base, e equipamento de usuário.
EP08721925.9A EP2129155A4 (en) 2007-03-20 2008-03-12 METHOD FOR REPORTING CHANNEL QUALITY INFORMATION, BASE STATION AND USER TERMINAL
CA002678796A CA2678796A1 (en) 2007-03-20 2008-03-12 Channel quality information reporting method, base station, and user equipment
MX2009009600A MX2009009600A (es) 2007-03-20 2008-03-12 Metodo de reporte de informacion de calidad de canal, estacion base y terminal de usuario.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007073729A JP4869997B2 (ja) 2007-03-20 2007-03-20 チャネル品質情報報告方法、基地局及びユーザ端末
JP2007-073729 2007-03-20

Publications (1)

Publication Number Publication Date
WO2008114661A1 true WO2008114661A1 (ja) 2008-09-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054509 WO2008114661A1 (ja) 2007-03-20 2008-03-12 チャネル品質情報報告方法、基地局及びユーザ端末

Country Status (11)

Country Link
US (1) US8472882B2 (ja)
EP (1) EP2129155A4 (ja)
JP (1) JP4869997B2 (ja)
KR (1) KR20090122945A (ja)
CN (1) CN101632250A (ja)
AU (1) AU2008227647A1 (ja)
BR (1) BRPI0808930A2 (ja)
CA (1) CA2678796A1 (ja)
MX (1) MX2009009600A (ja)
RU (1) RU2009136225A (ja)
WO (1) WO2008114661A1 (ja)

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BRPI0923672B1 (pt) * 2008-03-19 2016-11-29 Huawei Tech Co Ltd aparelho de estação móvel e método de comunicação
JP5223507B2 (ja) * 2008-07-08 2013-06-26 富士通株式会社 移動局および基地局
JP5386493B2 (ja) * 2008-09-04 2014-01-15 シャープ株式会社 無線通信装置及び無線通信システム
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US8781005B2 (en) 2009-10-01 2014-07-15 Qualcomm Incorporated Scalable quantization of channel state information for MIMO transmission
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JP5547017B2 (ja) * 2010-09-28 2014-07-09 京セラ株式会社 基地局と基地局の制御方法
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100329370A1 (en) * 2009-04-28 2010-12-30 Beceem Communications Inc. Selection of a Subset of Antennas for Transmission
CN102036287A (zh) * 2011-01-11 2011-04-27 大唐移动通信设备有限公司 终端设备的异常状态的检测方法和设备

Also Published As

Publication number Publication date
CN101632250A (zh) 2010-01-20
MX2009009600A (es) 2009-10-26
KR20090122945A (ko) 2009-12-01
BRPI0808930A2 (pt) 2014-10-14
EP2129155A1 (en) 2009-12-02
US20100093287A1 (en) 2010-04-15
CA2678796A1 (en) 2008-09-25
JP4869997B2 (ja) 2012-02-08
JP2008236431A (ja) 2008-10-02
US8472882B2 (en) 2013-06-25
EP2129155A4 (en) 2013-07-24
RU2009136225A (ru) 2011-04-27
AU2008227647A1 (en) 2008-09-25

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