WO2009020174A1 - 通信装置および受信品質情報生成方法 - Google Patents

通信装置および受信品質情報生成方法 Download PDF

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Publication number
WO2009020174A1
WO2009020174A1 PCT/JP2008/064198 JP2008064198W WO2009020174A1 WO 2009020174 A1 WO2009020174 A1 WO 2009020174A1 JP 2008064198 W JP2008064198 W JP 2008064198W WO 2009020174 A1 WO2009020174 A1 WO 2009020174A1
Authority
WO
WIPO (PCT)
Prior art keywords
reception quality
communication device
quality information
information generation
generation method
Prior art date
Application number
PCT/JP2008/064198
Other languages
English (en)
French (fr)
Inventor
Yasuhiro Hamaguchi
Hideo Namba
Shimpei To
Kazunari Yokomakura
Original Assignee
Sharp Kabushiki Kaisha
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40341406&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009020174(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to CA2695500A priority Critical patent/CA2695500A1/en
Priority to EP08792305.8A priority patent/EP2202901B1/en
Priority to CN200880102178.XA priority patent/CN101772933B/zh
Priority to US12/672,250 priority patent/US20110286501A1/en
Priority to JP2009526483A priority patent/JP5567835B2/ja
Publication of WO2009020174A1 publication Critical patent/WO2009020174A1/ja

Links

Classifications

    • 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
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • 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
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

Landscapes

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

Abstract

　送信側のスケジューリングに与える影響を極力小さくすると共に、送信側へ通知するＣＱＩ情報の圧縮を効率良く行なう。複数のサブキャリアを用いて送信された信号を受信する受信部３０～３４と、前記複数のサブキャリアに対応する周波数帯域を分割し、前記分割した周波数帯域毎に定められる情報量に基づいて、前記受信した信号の受信品質を示す受信品質情報を算出する受信品質算出部４０と、前記算出した受信品質情報を、前記信号の送信元へ送信する送信部１０～１７と、を備える。
PCT/JP2008/064198 2007-08-07 2008-08-07 通信装置および受信品質情報生成方法 WO2009020174A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA2695500A CA2695500A1 (en) 2007-08-07 2008-08-07 Communication device and reception quality information generation method
EP08792305.8A EP2202901B1 (en) 2007-08-07 2008-08-07 Communication device and reception quality information generation method
CN200880102178.XA CN101772933B (zh) 2007-08-07 2008-08-07 通信装置以及接收质量信息生成方法
US12/672,250 US20110286501A1 (en) 2007-08-07 2008-08-07 Communication apparatus and reception quality information generating method
JP2009526483A JP5567835B2 (ja) 2007-08-07 2008-08-07 通信装置および受信品質算出方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007205119 2007-08-07
JP2007-205119 2007-08-07

Publications (1)

Publication Number Publication Date
WO2009020174A1 true WO2009020174A1 (ja) 2009-02-12

Family

ID=40341406

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/064198 WO2009020174A1 (ja) 2007-08-07 2008-08-07 通信装置および受信品質情報生成方法

Country Status (6)

Country Link
US (1) US20110286501A1 (ja)
EP (1) EP2202901B1 (ja)
JP (3) JP5567835B2 (ja)
CN (1) CN101772933B (ja)
CA (1) CA2695500A1 (ja)
WO (1) WO2009020174A1 (ja)

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WO2011033912A1 (ja) * 2009-09-16 2011-03-24 Kddi株式会社 チャネル情報圧縮装置及び方法、チャネル情報展開装置及び方法、受信機、ならびに送信機
JP2011124635A (ja) * 2009-12-08 2011-06-23 Kddi Corp チャネル情報圧縮装置及び方法、チャネル情報展開装置及び方法、コンピュータプログラム、受信機、送信機
JP2012060586A (ja) * 2010-09-13 2012-03-22 Kddi Corp 受信機、チャネル情報圧縮方法およびコンピュータプログラム

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US10511504B2 (en) * 2013-01-25 2019-12-17 Qualcomm Incorporated Cell-specific reference signal interference averaging
JP6209990B2 (ja) * 2014-02-27 2017-10-11 富士通株式会社 受信装置
KR20160101440A (ko) * 2015-02-17 2016-08-25 한국전자통신연구원 비면허대역에서 ＬＴＥ－Ｕ와 ＷｉＦｉ 서비스간의 상호공존을 위한 장치 및 방법

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JP2001238269A (ja) * 2000-02-25 2001-08-31 Kddi Corp 無線通信システムのサブキャリア割当方法
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WO2004059891A1 (ja) * 2002-12-24 2004-07-15 Matsushita Electric Industrial Co., Ltd. 無線通信装置及び無線送信方法
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JP3875086B2 (ja) * 2001-11-30 2007-01-31 ソフトバンクテレコム株式会社 直交周波数分割多重システムおよび送受信装置
US7408892B2 (en) * 2003-01-28 2008-08-05 Broadcom Corporation Upstream adaptive modulation in DOCSIS based applications
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JP2001238269A (ja) * 2000-02-25 2001-08-31 Kddi Corp 無線通信システムのサブキャリア割当方法
JP2004128661A (ja) * 2002-09-30 2004-04-22 Matsushita Electric Ind Co Ltd 無線通信装置及び無線通信方法
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Cited By (7)

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Publication number Priority date Publication date Assignee Title
WO2011033912A1 (ja) * 2009-09-16 2011-03-24 Kddi株式会社 チャネル情報圧縮装置及び方法、チャネル情報展開装置及び方法、受信機、ならびに送信機
JP2011066640A (ja) * 2009-09-16 2011-03-31 Kddi Corp チャネル情報圧縮装置及び方法、チャネル情報展開装置及び方法、コンピュータプログラム、受信機、送信機
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JP2011124635A (ja) * 2009-12-08 2011-06-23 Kddi Corp チャネル情報圧縮装置及び方法、チャネル情報展開装置及び方法、コンピュータプログラム、受信機、送信機
US8638845B2 (en) 2009-12-08 2014-01-28 Kddi Corporation Channel state information compressing apparatus and method, channel state information expanding apparatus and method, computer programs, receiver, and transmitter
JP2012060586A (ja) * 2010-09-13 2012-03-22 Kddi Corp 受信機、チャネル情報圧縮方法およびコンピュータプログラム

Also Published As

Publication number Publication date
CN101772933A (zh) 2010-07-07
CA2695500A1 (en) 2009-02-12
JPWO2009020174A1 (ja) 2010-11-04
JP5567835B2 (ja) 2014-08-06
JP5132826B2 (ja) 2013-01-30
US20110286501A1 (en) 2011-11-24
JP2012178861A (ja) 2012-09-13
CN101772933B (zh) 2015-06-17
EP2202901A4 (en) 2015-09-23
EP2202901A1 (en) 2010-06-30
EP2202901B1 (en) 2017-10-04
JP2014207698A (ja) 2014-10-30

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