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DE60002268T2 - Tragbares Endgerät - Google Patents

Tragbares Endgerät Download PDF

Info

Publication number
DE60002268T2
DE60002268T2 DE2000602268 DE60002268T DE60002268T2 DE 60002268 T2 DE60002268 T2 DE 60002268T2 DE 2000602268 DE2000602268 DE 2000602268 DE 60002268 T DE60002268 T DE 60002268T DE 60002268 T2 DE60002268 T2 DE 60002268T2
Authority
DE
Germany
Prior art keywords
portable terminal
portable
terminal
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
DE2000602268
Other languages
English (en)
Other versions
DE60002268D1 (de
Inventor
Kazuhiro Arimitsu
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE60002268D1 publication Critical patent/DE60002268D1/de
Application granted granted Critical
Publication of DE60002268T2 publication Critical patent/DE60002268T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70757—Synchronisation aspects with code phase acquisition with increased resolution, i.e. higher than half a chip
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE2000602268 1999-08-26 2000-08-25 Tragbares Endgerät Expired - Lifetime DE60002268T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23998399A JP3412689B2 (ja) 1999-08-26 1999-08-26 携帯電話機

Publications (2)

Publication Number Publication Date
DE60002268D1 DE60002268D1 (de) 2003-05-28
DE60002268T2 true DE60002268T2 (de) 2004-01-15

Family

ID=17052741

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2000602268 Expired - Lifetime DE60002268T2 (de) 1999-08-26 2000-08-25 Tragbares Endgerät

Country Status (7)

Country Link
US (1) US6693955B1 (de)
EP (1) EP1079537B1 (de)
JP (1) JP3412689B2 (de)
CN (1) CN1166094C (de)
AU (1) AU766431B2 (de)
DE (1) DE60002268T2 (de)
HK (1) HK1037435A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3412689B2 (ja) * 1999-08-26 2003-06-03 日本電気株式会社 携帯電話機
WO2001052576A1 (fr) * 2000-01-12 2001-07-19 Mitsubishi Denki Kabushiki Kaisha Terminal de communications mobiles
US7197098B2 (en) * 2000-12-29 2007-03-27 Intel Corporation High-speed serial data recovery
DE60239718D1 (de) 2001-02-09 2011-05-26 Canon Kk Informationsverarbeitungsgerät und seine Steuerverfahren, Computerprogramm, und Speichermedium
JP3637884B2 (ja) 2001-06-01 2005-04-13 ソニー株式会社 逆拡散装置、伝播路推定装置、受信装置ならびに干渉抑圧装置、逆拡散、伝播路推定、受信および干渉抑圧方法、該プログラムおよび該プログラムを記録した記録媒体
US7155236B2 (en) 2003-02-18 2006-12-26 Qualcomm Incorporated Scheduled and autonomous transmission and acknowledgement
US8023950B2 (en) 2003-02-18 2011-09-20 Qualcomm Incorporated Systems and methods for using selectable frame durations in a wireless communication system
US8391249B2 (en) 2003-02-18 2013-03-05 Qualcomm Incorporated Code division multiplexing commands on a code division multiplexed channel
US8081598B2 (en) 2003-02-18 2011-12-20 Qualcomm Incorporated Outer-loop power control for wireless communication systems
US8150407B2 (en) 2003-02-18 2012-04-03 Qualcomm Incorporated System and method for scheduling transmissions in a wireless communication system
US7660282B2 (en) 2003-02-18 2010-02-09 Qualcomm Incorporated Congestion control in a wireless data network
US8705588B2 (en) 2003-03-06 2014-04-22 Qualcomm Incorporated Systems and methods for using code space in spread-spectrum communications
US7215930B2 (en) 2003-03-06 2007-05-08 Qualcomm, Incorporated Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication
US8477592B2 (en) 2003-05-14 2013-07-02 Qualcomm Incorporated Interference and noise estimation in an OFDM system
US8489949B2 (en) 2003-08-05 2013-07-16 Qualcomm Incorporated Combining grant, acknowledgement, and rate control commands
US8340159B2 (en) 2006-01-27 2012-12-25 Thomson Licensing Method and apparatus for multiresolution / multipath searcher
US20070248191A1 (en) * 2006-04-25 2007-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Baseband sample selection
US8045927B2 (en) 2006-04-27 2011-10-25 Nokia Corporation Signal detection in multicarrier communication system
US7864884B2 (en) * 2006-04-27 2011-01-04 Nokia Corporation Signal detection in OFDM system

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2273362A1 (en) 1974-05-31 1975-12-26 Alsthom Cgee High voltage circuit breaker - has fixed contact with semi-mobile contact movable from mobile contact by spring
JPS6193746A (ja) 1984-10-12 1986-05-12 Sony Corp スペクトラム拡散通信復調装置
US4910752A (en) * 1987-06-15 1990-03-20 Motorola, Inc. Low power digital receiver
US5465405A (en) * 1992-07-30 1995-11-07 Raytheon Company Apparatus and method for detecting signals
US5841808A (en) * 1995-03-23 1998-11-24 Mcdonnell Douglas Corporation Spread spectrum chip rate tracking system
JP3030230B2 (ja) 1995-06-06 2000-04-10 松下電器産業株式会社 拡散通信システムの受信装置
FR2737362B1 (fr) * 1995-07-25 1997-10-10 Matra Communication Procede de selection des retards de propagation retenus pour recevoir des messages transmis par radiocommunication a etalement de spectre
US6118808A (en) * 1996-07-12 2000-09-12 General Electric Company GPS receiver with efficient signal acquisition
JPH10145326A (ja) 1996-11-14 1998-05-29 Fujitsu Ltd Ｃｄｍａシステム用受信装置
US5864315A (en) * 1997-04-07 1999-01-26 General Electric Company Very low power high accuracy time and frequency circuits in GPS based tracking units
JP3408944B2 (ja) 1997-04-24 2003-05-19 シャープ株式会社 スペクトル直接拡散通信システムにおける復調装置及び同システムにおける相関器
JP3751419B2 (ja) 1997-06-16 2006-03-01 松下電器産業株式会社 マッチドフィルタおよび同期方法
JP2856249B2 (ja) 1997-06-24 1999-02-10 日本電気株式会社 Ｃｄｍａ同期捕捉回路
JP3159378B2 (ja) 1997-08-13 2001-04-23 日本電気株式会社 スペクトル拡散通信方式
JP3793632B2 (ja) 1997-12-18 2006-07-05 松下電器産業株式会社 セルサーチ方法及び移動局装置
JP3308481B2 (ja) * 1998-01-09 2002-07-29 沖電気工業株式会社 相関値算出装置
DE19824218C1 (de) * 1998-05-29 2000-03-23 Ericsson Telefon Ab L M Multipfad-Ausbreitungsverzögerungs-Bestimmungsvorrichtung unter Verwendung von periodisch eingefügten Pilotsymbolen
JP3412689B2 (ja) * 1999-08-26 2003-06-03 日本電気株式会社 携帯電話機
US6292748B1 (en) * 2000-07-14 2001-09-18 General Electric Company Reduction of time error in GPS localization without a highly accurate clock

Also Published As

Publication number Publication date
EP1079537A2 (de) 2001-02-28
JP2001069568A (ja) 2001-03-16
EP1079537A3 (de) 2001-11-07
CN1166094C (zh) 2004-09-08
DE60002268D1 (de) 2003-05-28
JP3412689B2 (ja) 2003-06-03
CN1286545A (zh) 2001-03-07
US6693955B1 (en) 2004-02-17
AU5359600A (en) 2001-03-01
AU766431B2 (en) 2003-10-16
HK1037435A1 (en) 2002-02-08
EP1079537B1 (de) 2003-04-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition