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

Info

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 CN200880102178.XA priority Critical patent/CN101772933B/zh
Priority to JP2009526483A priority patent/JP5567835B2/ja
Priority to EP08792305.8A priority patent/EP2202901B1/en
Priority to CA2695500A priority patent/CA2695500A1/en
Priority to US12/672,250 priority patent/US20110286501A1/en
Publication of WO2009020174A1 publication Critical patent/WO2009020174A1/ja

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067Dc 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028Formatting
    • H04L1/0029Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

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
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
JP2009526483A JP5567835B2 (ja) 2007-08-07 2008-08-07 通信装置および受信品質算出方法
EP08792305.8A EP2202901B1 (en) 2007-08-07 2008-08-07 Communication device and reception quality information generation method
CA2695500A CA2695500A1 (en) 2007-08-07 2008-08-07 Communication device and reception quality information generation method
US12/672,250 US20110286501A1 (en) 2007-08-07 2008-08-07 Communication apparatus and reception quality information generating method

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)

Cited By (3)

* Cited by examiner, † Cited by third party
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
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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP2005073259A (ja) * 2003-08-22 2005-03-17 Samsung Electronics Co Ltd 直交周波数分割多重システムにおいて副搬送波割当装置及び方法
WO2006049123A1 (ja) * 2004-11-02 2006-05-11 Nec Corporation Ofdm通信システム

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6567464B2 (en) * 1998-07-24 2003-05-20 Compaq Information Technologies Group, L.P. Fast retrain based on communication profiles for a digital modem
KR100288753B1 (ko) * 1998-12-31 2001-05-02 윤종용 멀티캐리어 부호분할다중접속 통신시스템의 수신장치 방법
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
US20060221807A1 (en) * 2003-07-14 2006-10-05 Masaru Fukuoka Multi-carrier transmitter apparatus, multi-carrier receiver apparatus and multi-carrier communication method
US20060034244A1 (en) * 2004-08-11 2006-02-16 Interdigital Technology Corporation Method and system for link adaptation in an orthogonal frequency division multiplexing (OFDM) wireless communication system
KR100905605B1 (ko) * 2004-09-24 2009-07-02 삼성전자주식회사 직교주파수분할다중화 다중입출력 통신 시스템의 전송 방법
JPWO2007015529A1 (ja) * 2005-08-03 2009-02-19 パナソニック株式会社 基地局装置、通信端末装置、およびマルチキャリア通信方法
WO2007020995A1 (ja) * 2005-08-19 2007-02-22 Matsushita Electric Industrial Co., Ltd. 無線通信移動局装置、無線通信基地局装置およびcqi報告方法
WO2007021139A1 (en) * 2005-08-19 2007-02-22 Electronics And Telecommunications Research Institute Dynamic resource allocation method based on frequency reuse partitioning for ofdma/fdd system, and frame transmission method therefor
JP4870093B2 (ja) * 2005-12-20 2012-02-08 シャープ株式会社 通信システムおよびそれに用いる基地局および端末
JP4971637B2 (ja) * 2006-01-11 2012-07-11 三菱電機株式会社 セクタ割り当て方法、基地局装置、移動局装置および無線通信システム
CN100589368C (zh) * 2006-01-19 2010-02-10 中兴通讯股份有限公司 正交频分复用系统的下行物理层控制信道的实现方法
KR101002897B1 (ko) * 2006-02-15 2010-12-21 한국과학기술원 이동 통신 시스템에서 채널 할당 시스템 및 방법
EP2381607B1 (en) * 2006-04-21 2013-01-16 Panasonic Corporation Mimo receiver apparatus and mimo transmitter apparatus
CN100579100C (zh) * 2006-06-20 2010-01-06 华为技术有限公司 一种频域调度方法
JP5106409B2 (ja) * 2006-10-12 2012-12-26 シャープ株式会社 通信装置および通信方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP2005073259A (ja) * 2003-08-22 2005-03-17 Samsung Electronics Co Ltd 直交周波数分割多重システムにおいて副搬送波割当装置及び方法
WO2006049123A1 (ja) * 2004-11-02 2006-05-11 Nec Corporation Ofdm通信システム

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ERICSSON: "E-UTRA Incremental CQI Reporting Using DCT Coding", TSG-RAN WG1 #46, R1-062278, 1 September 2006 (2006-09-01), XP050102804 *
LG ELECTRONICS: "DCT based CQI reporting scheme", 3GPP TSG RAN WG1 LTE AD HOC, R1-061777, 30 June 2006 (2006-06-30), pages 1 - 11, XP050111597 *

Cited By (7)

* Cited by examiner, † Cited by third party
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
CN102577198A (zh) * 2009-09-16 2012-07-11 Kddi株式会社 信道信息压缩装置和方法、信道信息解压缩装置和方法、接收机、以及发送机
US9118440B2 (en) 2009-09-16 2015-08-25 Kddi Corporation Channel information compressing apparatus adapted to a MIMO system and method
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
CA2695500A1 (en) 2009-02-12
JP2012178861A (ja) 2012-09-13
JPWO2009020174A1 (ja) 2010-11-04
EP2202901A1 (en) 2010-06-30
EP2202901A4 (en) 2015-09-23
US20110286501A1 (en) 2011-11-24
CN101772933B (zh) 2015-06-17
JP2014207698A (ja) 2014-10-30
EP2202901B1 (en) 2017-10-04
CN101772933A (zh) 2010-07-07
JP5567835B2 (ja) 2014-08-06
JP5132826B2 (ja) 2013-01-30

Similar Documents

Publication Publication Date Title
WO2010077051A3 (en) Method for transmitting control information to request channel quality indicator in a wireless communication system supporting multiple transmission bandwidths
WO2009096757A3 (ko) 무선 통신 시스템에서 cqi 전송 방법
WO2009020174A1 (ja) 通信装置および受信品質情報生成方法
WO2008156319A3 (en) Method of transmitting feedback information in wireless communication system
WO2012047067A3 (en) Method of link adaptation in wireless local area network and apparatus for the same
EP2426849A3 (en) Digital signal transmission and reception
IN2014KN01993A (ja)
JP2010268524A5 (ja)
WO2006118393A3 (en) Method of transmitting and receiving point-to-multipoint service in moble communication system
GB2457623A (en) Location of wideband ofdm transmitters with limited receiver bandwidth
GB2467303B (en) Feedback in a wireless communication system
WO2010114269A3 (en) Method and apparatus for transmitting signal in wireless communication system
MX2009012102A (es) Metodo de transmision/recepcion de cuadro en sistema de comunicacion movil.
MX2010003636A (es) Metodo para transmitir y recibir se?ales usando frecuencias de radio de banda multiple.
EP3965324A3 (en) Signal generation method and signal generation device
MX2008001797A (es) Metodo y aparato para transmitir y/o recibir datos via red inalambrica y un dispositivo inalambrico.
WO2011122830A3 (ko) 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치
MY157595A (en) System and method for transmitting and receiving a signal using multiple frequency bands in a wireless communication system
EP2091289A3 (en) Communication apparatus
MX2009007184A (es) Metodo de control de transmision de señal que mide la calidad de estacion de base, terminal de usuario y canal de recepcion.
MY164784A (en) Precoding method, and transmitting device
WO2008097041A3 (en) Method for transmitting and receiving feedback information
WO2012118328A3 (en) Apparatus and method for providing frequency hopping scheme in broadcast communication system
WO2010095884A3 (en) Method for indicating precoding matrix indicator in uplink mimo system with based on sc-fdma
WO2012102479A3 (ko) 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880102178.X

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08792305

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2009526483

Country of ref document: JP

WWE Wipo information: entry into national phase

Ref document number: 2695500

Country of ref document: CA

NENP Non-entry into the national phase

Ref country code: DE

REEP Request for entry into the european phase

Ref document number: 2008792305

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2008792305

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 12672250

Country of ref document: US