ATE272277T1 - Kommunikationsendgerät und demodulationsverfahren - Google Patents

Kommunikationsendgerät und demodulationsverfahren

Info

Publication number
ATE272277T1
ATE272277T1 AT01930228T AT01930228T ATE272277T1 AT E272277 T1 ATE272277 T1 AT E272277T1 AT 01930228 T AT01930228 T AT 01930228T AT 01930228 T AT01930228 T AT 01930228T AT E272277 T1 ATE272277 T1 AT E272277T1
Authority
AT
Austria
Prior art keywords
station apparatus
communication terminal
demodulation method
mobile station
transmission power
Prior art date
Application number
AT01930228T
Other languages
English (en)
Inventor
Katsuhiko Hiramatsu
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of ATE272277T1 publication Critical patent/ATE272277T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3809—Amplitude regulation arrangements
    • 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
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0025—Transmission of mode-switching indication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Communication Control (AREA)
  • Telephone Function (AREA)
AT01930228T 2000-05-19 2001-05-21 Kommunikationsendgerät und demodulationsverfahren ATE272277T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000149109A JP3522651B2 (ja) 2000-05-19 2000-05-19 通信端末装置及び復調方法
PCT/JP2001/004216 WO2001089115A1 (en) 2000-05-19 2001-05-21 Communication terminal apparatus and demodulation method

Publications (1)

Publication Number Publication Date
ATE272277T1 true ATE272277T1 (de) 2004-08-15

Family

ID=18655015

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01930228T ATE272277T1 (de) 2000-05-19 2001-05-21 Kommunikationsendgerät und demodulationsverfahren

Country Status (13)

Country Link
US (1) US20030072253A1 (de)
EP (1) EP1191713B1 (de)
JP (1) JP3522651B2 (de)
KR (1) KR100448114B1 (de)
CN (1) CN1372728A (de)
AT (1) ATE272277T1 (de)
AU (1) AU5678501A (de)
BR (1) BR0106650A (de)
CA (1) CA2374972A1 (de)
CZ (1) CZ2002226A3 (de)
DE (1) DE60104501T2 (de)
ES (1) ES2223837T3 (de)
WO (1) WO2001089115A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3357653B2 (ja) 2000-05-25 2002-12-16 松下電器産業株式会社 無線受信装置
US7346126B2 (en) 2001-11-28 2008-03-18 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for channel estimation using plural channels
US7376390B2 (en) 2001-12-07 2008-05-20 Ntt Docomo, Inc. Radio control apparatus, mobile communication method, mobile communication program, and mobile communication system
US20030123415A1 (en) * 2001-12-31 2003-07-03 Bysted Tommy Kristensen Transport format combination indicator signalling
US20030123417A1 (en) * 2001-12-31 2003-07-03 Bysted Tommy Kristensen Modulation-dependant transport channel configuration
JP3602509B2 (ja) * 2002-02-26 2004-12-15 松下電器産業株式会社 復調装置および復調方法
AU2003248063A1 (en) * 2002-07-29 2004-02-16 Matsushita Electric Industrial Co., Ltd. Radio device and base station device
KR100686410B1 (ko) * 2002-08-01 2007-02-28 삼성전자주식회사 이동 통신 시스템에서 트래픽 채널과 파일럿 채널간전력비 검출 장치 및 방법
JP3972770B2 (ja) 2002-08-28 2007-09-05 日本電気株式会社 Ｔｆ判定装置及びそれに用いるｔｆ判定方法並びにそのプログラム
JP3898115B2 (ja) 2002-11-12 2007-03-28 株式会社エヌ・ティ・ティ・ドコモ 受信装置、復調器及び通信方法
FR2851384B1 (fr) * 2003-02-17 2009-12-18 Wavecom Procede de transmission de donnees radio, signal, systeme et dispositifs correspondant.
FR2851383A1 (fr) * 2003-02-17 2004-08-20 Wavecom Procede de transmission de donnees radio, signal, systeme et dispositifs correspondant
KR20060013544A (ko) * 2003-05-19 2006-02-10 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) 전송 채널에 대한 채널 추정의 결정
US7289551B2 (en) 2003-06-27 2007-10-30 Nokia Siemens Corporation System, method and computer program product for demodulating quadrature amplitude modulated signals
US7359445B2 (en) * 2003-06-27 2008-04-15 Nokia Corporation System, method and computer program product for demodulating quadrature amplitude modulated signals based upon a speed of a receiver
US7269205B2 (en) 2003-09-26 2007-09-11 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for signal demodulation
CN1926778A (zh) 2004-02-27 2007-03-07 日本电气株式会社 Cdma接收装置和方法
US20050195886A1 (en) * 2004-03-02 2005-09-08 Nokia Corporation CPICH processing for SINR estimation in W-CDMA system
KR20050109370A (ko) * 2004-05-15 2005-11-21 엘지전자 주식회사 집적광학형 실시간 지연 장치 및 그 제조 방법
US7590167B2 (en) 2005-08-30 2009-09-15 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for QAM demodulation in a generalized rake receiver
US7609754B2 (en) 2005-08-30 2009-10-27 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for received communication signal processing
KR100863791B1 (ko) * 2005-10-12 2008-10-17 삼성전자주식회사 주파수분할 다중접속 방식의 통신시스템에서 패킷 데이터 제어 채널을 이용하여 채널을 추정하기 위한 송수신 장치 및 방법과 그 시스템
US8995550B2 (en) * 2010-01-22 2015-03-31 Sharp Kabushiki Kaisha Transmission device, reception device, communication system, and communication method
CN102355724B (zh) * 2011-08-09 2017-05-24 中兴通讯股份有限公司 一种功率信息的通知方法及基站
CN103326811A (zh) * 2012-03-23 2013-09-25 华为技术有限公司 一种信号发送以及对发射端数据信号解调的方法及装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4855692A (en) * 1988-06-20 1989-08-08 Northern Telecom Limited Method of quadrature-phase amplitude modulation
US5115453A (en) * 1990-10-01 1992-05-19 At&T Bell Laboratories Technique for designing a multidimensional signaling scheme
JPH05304544A (ja) * 1992-04-27 1993-11-16 Fujitsu Ltd ディジタル無線送信装置及び受信装置
US5872775A (en) * 1996-10-30 1999-02-16 Qualcomm Incorporated Method and apparatus for performing rate determination
EP1628452A3 (de) * 1998-01-30 2006-05-10 Matsushita Electric Industrial Co., Ltd. Modulationverfahren und Funkkommunikationssystem
JP3782237B2 (ja) * 1998-06-18 2006-06-07 日本放送協会 Ｏｆｄｍ信号復調装置
JP2001136123A (ja) 1999-08-20 2001-05-18 Matsushita Electric Ind Co Ltd 基地局装置、通信端末装置、及び送信電力制御方法
EP1216522B1 (de) 1999-09-30 2007-01-10 Telefonaktiebolaget LM Ericsson (publ) Sendeleistungsregelung
US6735247B2 (en) * 2001-03-30 2004-05-11 Qualcomm, Incorporated Method and apparatus in a communication system

Also Published As

Publication number Publication date
US20030072253A1 (en) 2003-04-17
KR100448114B1 (ko) 2004-09-10
ES2223837T3 (es) 2005-03-01
CZ2002226A3 (cs) 2002-05-15
AU5678501A (en) 2001-11-26
EP1191713B1 (de) 2004-07-28
CN1372728A (zh) 2002-10-02
JP2001333123A (ja) 2001-11-30
BR0106650A (pt) 2002-04-02
WO2001089115A1 (en) 2001-11-22
JP3522651B2 (ja) 2004-04-26
EP1191713A1 (de) 2002-03-27
EP1191713A4 (de) 2003-06-04
DE60104501D1 (de) 2004-09-02
KR20020013964A (ko) 2002-02-21
DE60104501T2 (de) 2004-12-23
CA2374972A1 (en) 2001-11-22

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