DE69934349D1 - Pilotsignalsnübertragungstechnik und diesen verwendendes digitales Kommunikationssystem - Google Patents

Pilotsignalsnübertragungstechnik und diesen verwendendes digitales Kommunikationssystem

Info

Publication number
DE69934349D1
DE69934349D1 DE69934349T DE69934349T DE69934349D1 DE 69934349 D1 DE69934349 D1 DE 69934349D1 DE 69934349 T DE69934349 T DE 69934349T DE 69934349 T DE69934349 T DE 69934349T DE 69934349 D1 DE69934349 D1 DE 69934349D1
Authority
DE
Germany
Prior art keywords
communication system
same
signal transmission
pilot signal
digital communication
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69934349T
Other languages
English (en)
Other versions
DE69934349T2 (de
Inventor
Yutaka Murakami
Masayuki Orihashi
Akihiko Matsuoka
Morikazu Sagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
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
Publication of DE69934349D1 publication Critical patent/DE69934349D1/de
Application granted granted Critical
Publication of DE69934349T2 publication Critical patent/DE69934349T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04L27/345—Modifications of the signal space to allow the transmission of additional information
    • H04L27/3455—Modifications of the signal space to allow the transmission of additional information in order to facilitate carrier recovery at the receiver end, e.g. by transmitting a pilot or by using additional signal points to allow the detection of rotations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals
DE69934349T 1998-04-16 1999-04-15 Pilotsignalsnübertragungstechnik und diesen verwendendes digitales Kommunikationssystem Expired - Lifetime DE69934349T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10599098 1998-04-16
JP10599098A JP3166705B2 (ja) 1998-04-16 1998-04-16 無線装置及び送信方法

Publications (2)

Publication Number Publication Date
DE69934349D1 true DE69934349D1 (de) 2007-01-25
DE69934349T2 DE69934349T2 (de) 2007-06-14

Family

ID=14422176

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69934349T Expired - Lifetime DE69934349T2 (de) 1998-04-16 1999-04-15 Pilotsignalsnübertragungstechnik und diesen verwendendes digitales Kommunikationssystem

Country Status (6)

Country Link
US (3) US6608843B1 (de)
EP (1) EP0951151B1 (de)
JP (1) JP3166705B2 (de)
KR (2) KR100374735B1 (de)
CN (2) CN100386982C (de)
DE (1) DE69934349T2 (de)

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JP3166705B2 (ja) * 1998-04-16 2001-05-14 松下電器産業株式会社 無線装置及び送信方法
US6608868B1 (en) * 1999-01-19 2003-08-19 Matsushita Electric Industrial Co., Ltd. Apparatus and method for digital wireless communications
KR100325367B1 (ko) 2000-01-28 2002-03-04 박태진 직교 주파수 분할 다중 통신 시스템에서의 비트 오율 측정장치및 방법
JP3685687B2 (ja) * 2000-06-23 2005-08-24 株式会社日立国際電気 ディジタル変調伝送方法
KR100770899B1 (ko) * 2001-10-12 2007-10-26 삼성전자주식회사 다중레벨 변조방식을 지원하는 이동통신 시스템의복조방법 및 장치
JP3637323B2 (ja) * 2002-03-19 2005-04-13 株式会社東芝 受信装置、送受信装置及び受信方法
CN1833390B (zh) * 2003-08-07 2012-01-18 松下电器产业株式会社 无线发送装置及无线发送方法
AU2006213659A1 (en) * 2005-02-09 2006-08-17 Genentech, Inc. Inhibiting HER2 shedding with matrix metalloprotease antagonists
KR100913089B1 (ko) 2006-02-07 2009-08-21 엘지전자 주식회사 다중 반송파 시스템에 적용되는 파일럿 신호 전송 방법
US8290083B2 (en) * 2007-03-09 2012-10-16 Qualcomm Incorporated Quadrature imbalance mitigation using unbiased training sequences
US8064550B2 (en) * 2007-03-09 2011-11-22 Qualcomm, Incorporated Quadrature imbalance estimation using unbiased training sequences
US8081695B2 (en) * 2007-03-09 2011-12-20 Qualcomm, Incorporated Channel estimation using frequency smoothing
BRPI0808669A2 (pt) * 2007-03-09 2014-08-26 Qualcomm Inc Sequência de treinamento rotativo de modulação em quadratura
US8428175B2 (en) * 2007-03-09 2013-04-23 Qualcomm Incorporated Quadrature modulation rotating training sequence
JP6350921B2 (ja) * 2013-04-12 2018-07-04 サン パテント トラスト 送信方法
EP3025467B1 (de) * 2013-07-26 2017-08-23 Empire Technology Development LLC Bestimmung einer sequenz von pilotfrequenzen
FR3036907B1 (fr) * 2015-05-29 2017-07-14 Sigfox Procedes d’emission et de reception d’un signal de diffusion comportant un signal pilote et un signal d’information
WO2021021007A1 (en) * 2019-07-29 2021-02-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for phase-aided adaptive modulation
CN114070335A (zh) * 2020-08-06 2022-02-18 索尼公司 电子设备、通信方法和存储介质
WO2023065122A1 (en) * 2021-10-19 2023-04-27 Nokia Shanghai Bell Co., Ltd. Channel state information error compensation

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US5381449A (en) * 1990-06-12 1995-01-10 Motorola, Inc. Peak to average power ratio reduction methodology for QAM communications systems
US5140615A (en) * 1990-06-12 1992-08-18 Motorola, Inc. Maximal ratio diversity combining technique
FR2671923B1 (fr) * 1991-01-17 1993-04-16 France Etat Dispositif de demodulation coherente de donnees numeriques entrelacees en temps et en frequence, a estimation de la reponse frequentielle du canal de transmission et seuillage, et emetteur correspondant.
US5222104A (en) * 1991-12-30 1993-06-22 Motorola, Inc. Gain control circuit for radio transmitter
ZA938324B (en) * 1992-11-24 1994-06-07 Qualcomm Inc Pilot carrier dot product circuit
JP3219877B2 (ja) * 1992-12-07 2001-10-15 松下電器産業株式会社 フェージング歪補償方式
JP3153869B2 (ja) * 1993-05-11 2001-04-09 株式会社日立国際電気 フェージング歪補償方式及びその回路
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KR0145047B1 (ko) * 1993-09-28 1998-07-15 김광호 디지탈신호 기록/재생장치의 변조 및 복조회로
JP2689890B2 (ja) * 1993-12-30 1997-12-10 日本電気株式会社 スペクトラム拡散受信機
US5559789A (en) * 1994-01-31 1996-09-24 Matsushita Electric Industrial Co., Ltd. CDMA/TDD Radio Communication System
JP3055085B2 (ja) * 1994-04-22 2000-06-19 株式会社アドバンテスト デジタル変調解析装置
US5602669A (en) * 1994-06-30 1997-02-11 Sony Corporation Digital signal transmission apparatus, digital signal transmission method, and digital signal transmitter-receiver
US5659578A (en) * 1994-11-23 1997-08-19 At&T Wireless Services, Inc. High rate Reed-Solomon concatenated trellis coded 16 star QAM system for transmission of data over cellular mobile radio
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JP2655108B2 (ja) * 1994-12-12 1997-09-17 日本電気株式会社 Ｃｄｍａ送受信装置
US5712877A (en) * 1995-05-26 1998-01-27 Simon Fraser University Pilot-symbol aided continuous phase modulation system
JPH0983409A (ja) * 1995-09-14 1997-03-28 Fujitsu Ltd フェージング推定方式
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DE69633705T2 (de) * 1995-11-16 2006-02-02 Ntt Mobile Communications Network Inc. Verfahren zum Erfassen eines digitalen Signals und Detektor
KR100194620B1 (ko) * 1995-12-21 1999-06-15 정선종 이동통신 시스템에서의 순방향 링크 페이딩의 보상장치
JP2785804B2 (ja) * 1996-05-30 1998-08-13 日本電気株式会社 移動通信システム
FI103851B1 (fi) * 1996-09-18 1999-09-30 Nokia Telecommunications Oy Menetelmä lähetystason mittauksen helpottamiseksi ja tukiasema
JP3311951B2 (ja) * 1996-12-20 2002-08-05 富士通株式会社 符号多重送信装置
JP3166705B2 (ja) * 1998-04-16 2001-05-14 松下電器産業株式会社 無線装置及び送信方法

Also Published As

Publication number Publication date
EP0951151B1 (de) 2006-12-13
CN101262468A (zh) 2008-09-10
CN100386982C (zh) 2008-05-07
KR19990083243A (ko) 1999-11-25
CN101262468B (zh) 2012-03-28
JPH11298547A (ja) 1999-10-29
KR20020075836A (ko) 2002-10-07
US20040095899A1 (en) 2004-05-20
EP0951151A2 (de) 1999-10-20
KR100374735B1 (ko) 2003-03-04
KR100452789B1 (ko) 2004-10-14
CN1250993A (zh) 2000-04-19
JP3166705B2 (ja) 2001-05-14
EP0951151A3 (de) 2004-01-28
US6608843B1 (en) 2003-08-19
DE69934349T2 (de) 2007-06-14
US20080240289A1 (en) 2008-10-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP