DE69533156D1 - Synchrondetektorschaltung und synchronisierungsmethode für einen digitalsignalempfänger - Google Patents

Synchrondetektorschaltung und synchronisierungsmethode für einen digitalsignalempfänger

Info

Publication number
DE69533156D1
DE69533156D1 DE69533156T DE69533156T DE69533156D1 DE 69533156 D1 DE69533156 D1 DE 69533156D1 DE 69533156 T DE69533156 T DE 69533156T DE 69533156 T DE69533156 T DE 69533156T DE 69533156 D1 DE69533156 D1 DE 69533156D1
Authority
DE
Germany
Prior art keywords
digital signal
signal receiver
detector circuit
synchronization method
synchronous detector
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
DE69533156T
Other languages
English (en)
Other versions
DE69533156T2 (de
Inventor
Akihiro Higashi
Fumiyuki Adachi
Koji Ohno
Mamoru Sawahashi
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.)
NTT Docomo Inc
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
Publication of DE69533156D1 publication Critical patent/DE69533156D1/de
Application granted granted Critical
Publication of DE69533156T2 publication Critical patent/DE69533156T2/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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0236—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols using estimation of the other symbols
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
DE69533156T 1994-06-22 1995-06-21 Synchrondetektorschaltung und synchronisierungsmethode für einen digitalsignalempfänger Expired - Lifetime DE69533156T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14056994 1994-06-22
JP14056994 1994-06-22
PCT/JP1995/001229 WO1995035615A1 (fr) 1994-06-22 1995-06-21 Detecteur synchrone et procede de synchronisation pour un recepteur numerique de telecommunications

Publications (2)

Publication Number Publication Date
DE69533156D1 true DE69533156D1 (de) 2004-07-22
DE69533156T2 DE69533156T2 (de) 2005-07-14

Family

ID=15271740

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69533156T Expired - Lifetime DE69533156T2 (de) 1994-06-22 1995-06-21 Synchrondetektorschaltung und synchronisierungsmethode für einen digitalsignalempfänger

Country Status (6)

Country Link
US (1) US5692015A (de)
EP (1) EP0715440B1 (de)
JP (1) JP3118548B2 (de)
CN (1) CN1082757C (de)
DE (1) DE69533156T2 (de)
WO (1) WO1995035615A1 (de)

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WO1998047246A1 (fr) 1997-04-17 1998-10-22 Ntt Mobile Communications Network Inc. Station de base de systeme de communications mobiles
JP3204925B2 (ja) * 1997-06-18 2001-09-04 株式会社エヌ・ティ・ティ・ドコモ Ｃｄｍａ通信システムにおける信号受信装置
DE19747367C2 (de) 1997-10-27 2003-06-26 Siemens Ag Verfahren und Anordnung zur Übertragung von Daten über eine Funkschnittstelle in einem Funk-Kommunikationssystem
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JP3904716B2 (ja) 1998-03-10 2007-04-11 松下電器産業株式会社 Ｃｄｍａ移動通信システム
JP3214466B2 (ja) * 1998-04-07 2001-10-02 日本電気株式会社 移動通信システム及びその通信制御方法並びにそれに用いる基地局及び移動局
CN1144405C (zh) 1998-04-23 2004-03-31 Ntt移动通信网株式会社 Cdma接收设备,cdma收发设备及cdma接收方法
JP3289676B2 (ja) * 1998-05-28 2002-06-10 日本電気株式会社 パイロット信号を含む受信信号の復調方法及びその装置
GB2339120B (en) 1998-06-30 2003-03-19 Nec Technologies Channel estimation device for digital telecommunications stations
US6404826B1 (en) * 1998-07-02 2002-06-11 Texas Instruments Incorporated Iterative signal-to-interference ratio estimation for WCDMA
JP3029030B2 (ja) * 1998-08-05 2000-04-04 日本電気株式会社 パイロット信号を含む受信信号の復調方法およびその装置
GB9818378D0 (en) * 1998-08-21 1998-10-21 Nokia Mobile Phones Ltd Receiver
JP3029031B2 (ja) * 1998-09-03 2000-04-04 日本電気株式会社 内挿同期検波方法と無線通信システム
US6411649B1 (en) 1998-10-20 2002-06-25 Ericsson Inc. Adaptive channel tracking using pilot sequences
US6456671B1 (en) * 1998-11-18 2002-09-24 Trw Inc. Decision feedback phase tracking demodulation
MY130820A (en) * 1998-12-16 2007-07-31 Ericsson Telefon Ab L M Channel estimation for a cdma system using pre-defined symbols in addition to pilot symbols
US6654429B1 (en) 1998-12-31 2003-11-25 At&T Corp. Pilot-aided channel estimation for OFDM in wireless systems
KR100531356B1 (ko) * 1999-02-05 2005-11-28 엘지전자 주식회사 이동 무선 통신 시스템의 데이터 심볼 전송 방법
JP3872647B2 (ja) * 1999-04-02 2007-01-24 株式会社エヌ・ティ・ティ・ドコモ チャネル推定装置および方法、復調装置および方法、ならびにフェージング周波数判定装置および方法
US6452917B1 (en) * 1999-04-08 2002-09-17 Qualcomm Incorporated Channel estimation in a CDMA wireless communication system
JP4955850B2 (ja) * 1999-04-08 2012-06-20 テキサス インスツルメンツ インコーポレイテッド Ｗｃｄｍａのためのダイバーシティ検出
US6956842B1 (en) 1999-05-10 2005-10-18 Ntt Docomo, Inc. Multiplexing method and multiplexing device, and data signal transmission method and data signal transmission device
US6414988B1 (en) * 1999-05-12 2002-07-02 Qualcomm Incorporated Amplitude and phase estimation method in a wireless communication system
EP2259528B1 (de) * 1999-07-28 2018-12-26 Panasonic Intellectual Property Corporation of America Gerät für das Aussenden und Empfangen von Daten sowie Verfahren für die digitale Funkübertragung
CN1124728C (zh) 1999-11-25 2003-10-15 华为技术有限公司 一种多选择相干检测方法
JP4813723B2 (ja) * 1999-12-01 2011-11-09 テレフオンアクチーボラゲット エル エム エリクソン（パブル） パイロットシンボルからのビット誤り率の推定
KR100318952B1 (ko) * 1999-12-29 2002-01-04 윤종용 무선통신시스템에서 채널 추정을 위한 장치 및 방법
JP3419726B2 (ja) * 2000-02-03 2003-06-23 松下電器産業株式会社 メモリ回路および同期検波回路
EP1317827A2 (de) * 2000-09-15 2003-06-11 Telefonaktiebolaget LM Ericsson (publ) Kanalschätzung mittels pilotsignale mit interpolation der pilotsignale
US6775340B1 (en) * 2000-10-13 2004-08-10 Ericsson Inc. Synchronization and channel estimation with extended pilot symbols
JP4448633B2 (ja) * 2001-08-31 2010-04-14 富士通株式会社 移動体通信端末
US7161955B1 (en) 2002-05-03 2007-01-09 Atheros Communications, Inc. Modified start frame delimiter detection
US7158542B1 (en) 2002-05-03 2007-01-02 Atheros Communications, Inc. Dynamic preamble detection
US20040165683A1 (en) * 2002-09-04 2004-08-26 Gupta Alok Kumar Channel estimation for communication systems
KR100542807B1 (ko) * 2003-04-10 2006-01-11 용인송담대학 디지탈 이동통신 시스템의 채널신호 복조 방법 및 장치
EP1605600B1 (de) * 2004-06-08 2014-04-23 Freescale Semiconductors, Inc. Drahtlose Kommunikationseinheit und Verfahren zur Bearbeitung eines CDMA-Signals
CN104147082A (zh) * 2014-08-25 2014-11-19 济南康众医药科技开发有限公司 一种杜仲的干燥方法及其制品的应用
CN114258648B (zh) * 2019-08-19 2024-03-08 日本电信电话株式会社 光通信系统以及光通信方法

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US5329547A (en) * 1993-03-11 1994-07-12 Motorola, Inc. Method and apparatus for coherent communication in a spread-spectrum communication system
JP3018840B2 (ja) * 1993-07-27 2000-03-13 三菱電機株式会社 フェージング補償装置
US5442646A (en) * 1994-02-01 1995-08-15 The Mitre Corporation Subcarrier communication system
US5544156A (en) * 1994-04-29 1996-08-06 Telefonaktiebolaget Lm Ericsson Direct sequence CDMA coherent uplink detector

Also Published As

Publication number Publication date
EP0715440B1 (de) 2004-06-16
EP0715440A4 (de) 2000-03-15
CN1082757C (zh) 2002-04-10
US5692015A (en) 1997-11-25
EP0715440A1 (de) 1996-06-05
WO1995035615A1 (fr) 1995-12-28
DE69533156T2 (de) 2005-07-14
CN1126013A (zh) 1996-07-03
JP3118548B2 (ja) 2000-12-18

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