DE60238643D1 - Für cdma verwendete kommunikationseinrichtung - Google Patents

Für cdma verwendete kommunikationseinrichtung

Info

Publication number
DE60238643D1
DE60238643D1 DE60238643T DE60238643T DE60238643D1 DE 60238643 D1 DE60238643 D1 DE 60238643D1 DE 60238643 T DE60238643 T DE 60238643T DE 60238643 T DE60238643 T DE 60238643T DE 60238643 D1 DE60238643 D1 DE 60238643D1
Authority
DE
Germany
Prior art keywords
cdma
communication device
used communication
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
DE60238643T
Other languages
English (en)
Inventor
Tadashi Nakamura
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE60238643D1 publication Critical patent/DE60238643D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0077—Multicode, e.g. multiple codes assigned to one user
    • 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
    • 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
    • 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
    • H04B2001/70706—Spread spectrum techniques using direct sequence modulation using a code tracking loop, e.g. a delay locked loop
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • 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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0022—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is influenced by the user

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60238643T 2002-02-28 2002-02-28 Für cdma verwendete kommunikationseinrichtung Expired - Lifetime DE60238643D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/001879 WO2003073670A1 (fr) 2002-02-28 2002-02-28 Dispositif de communication utilise dans un amrc

Publications (1)

Publication Number Publication Date
DE60238643D1 true DE60238643D1 (de) 2011-01-27

Family

ID=27764192

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60238643T Expired - Lifetime DE60238643D1 (de) 2002-02-28 2002-02-28 Für cdma verwendete kommunikationseinrichtung

Country Status (6)

Country Link
US (1) US8526399B2 (de)
EP (3) EP1858172B1 (de)
JP (1) JP4030964B2 (de)
CN (1) CN1623290B (de)
DE (1) DE60238643D1 (de)
WO (1) WO2003073670A1 (de)

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JP4567628B2 (ja) * 2005-06-14 2010-10-20 株式会社エヌ・ティ・ティ・ドコモ 移動局、送信方法及び通信システム
JP2009033315A (ja) * 2007-07-25 2009-02-12 Oki Electric Ind Co Ltd Ｑａｍ方式による通信システムおよびその通信方法、ならびに受信装置およびその受信方法
US8351538B2 (en) * 2007-08-13 2013-01-08 Panasonic Corporation Radio transmission device and radio transmission method
KR101433750B1 (ko) 2009-08-14 2014-08-27 생-고뱅 어브레이시브즈, 인코포레이티드 연신체에 연마입자가 결합된 연마제품, 및 그의 형성 방법
RU2516318C2 (ru) 2009-08-14 2014-05-20 Сэнт-Гобэн Эбрейзивс, Инк. Абразивное изделие (варианты) и способ резания сапфира с его использованием
CN102237928B (zh) * 2010-05-07 2014-11-19 华为技术有限公司 一种信号的传输方法、装置和系统
TW201507812A (zh) 2010-12-30 2015-03-01 Saint Gobain Abrasives Inc 磨料物品及形成方法
KR101618040B1 (ko) 2011-09-16 2016-05-04 생-고뱅 어브레이시브즈, 인코포레이티드 연마 물품 및 형성방법
US9211634B2 (en) 2011-09-29 2015-12-15 Saint-Gobain Abrasives, Inc. Abrasive articles including abrasive particles bonded to an elongated substrate body having a barrier layer, and methods of forming thereof
US9425854B2 (en) 2012-06-18 2016-08-23 Alstom Transport Technologies Spread spectrum signals in vehicle network systems
TWI474889B (zh) 2012-06-29 2015-03-01 Saint Gobain Abrasives Inc 研磨物品及形成方法
TW201402274A (zh) 2012-06-29 2014-01-16 Saint Gobain Abrasives Inc 研磨物品及形成方法
TW201404527A (zh) 2012-06-29 2014-02-01 Saint Gobain Abrasives Inc 研磨物品及形成方法
TWI477343B (zh) 2012-06-29 2015-03-21 Saint Gobain Abrasives Inc 研磨物品及形成方法
EP2760141B1 (de) * 2013-01-23 2016-09-21 ALSTOM Transport Technologies Spreizspektrumsignale in Fahrzeugnetzwerksystemen
US9871565B2 (en) * 2013-03-01 2018-01-16 Sony Corporation MIMO communication method, transmitting device, and receiving device
TW201441355A (zh) 2013-04-19 2014-11-01 Saint Gobain Abrasives Inc 研磨製品及其形成方法
TWI621505B (zh) 2015-06-29 2018-04-21 聖高拜磨料有限公司 研磨物品及形成方法

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CA2331203C (en) * 1992-03-26 2004-12-07 Matsushita Electric Industrial Co., Ltd. Communication system
US5555268A (en) * 1994-01-24 1996-09-10 Fattouche; Michel Multicode direct sequence spread spectrum
JPH0738963A (ja) 1993-07-16 1995-02-07 Matsushita Electric Ind Co Ltd 自動車・携帯電話システム
JPH08163085A (ja) * 1994-12-02 1996-06-21 Toshiba Corp 情報通信装置
JP2820932B2 (ja) * 1996-03-19 1998-11-05 株式会社ワイ・アール・ピー移動通信基盤技術研究所 スペクトラム拡散通信装置
US6034952A (en) * 1996-04-12 2000-03-07 Ntt Mobile Communications Networks, Inc. Method and instrument for measuring receiving SIR and transmission power controller
JPH1056420A (ja) * 1996-08-08 1998-02-24 Kokusai Electric Co Ltd Ｃｄｍａ適応変調方法とそのシステム
US6064663A (en) * 1996-09-10 2000-05-16 Nokia Mobile Phones Limited Cellular CDMA data link utilizing multiplexed channels for data rate increase
US6192068B1 (en) * 1996-10-03 2001-02-20 Wi-Lan Inc. Multicode spread spectrum communications system
JPH10145282A (ja) * 1996-11-12 1998-05-29 N T T Ido Tsushinmo Kk Ｄｓ−ｃｄｍａ伝送方式
DE19746894C2 (de) * 1997-10-23 1999-10-28 Siemens Ag Verfahren und Funk-Kommunikationssystem zur Datenübertragung
JP2866642B1 (ja) 1998-02-09 1999-03-08 株式会社ワイ・アール・ピー移動通信基盤技術研究所 スペクトル拡散多重伝送装置
JPH11298369A (ja) * 1998-04-10 1999-10-29 Kokusai Electric Co Ltd マルチコード適応変調方法及び送受信機
CA2238680C (en) * 1998-05-27 2009-09-22 Wi-Lan Inc. Multicode spread spectrum communications system
FR2782426B1 (fr) * 1998-08-12 2000-09-15 Alsthom Cge Alcatel Dispositif d'etalement ou de desetalement de spectre, notamment pour la transmission dans un systeme cellulaire de radiocommunications mobiles du type a acces multiple par repartition de codes
JP3144780B2 (ja) 1998-12-11 2001-03-12 株式会社ワイ・アール・ピー移動通信基盤技術研究所 スペクトル拡散変調可変多重伝送装置
US6907260B1 (en) * 1998-12-21 2005-06-14 Kddi Corporation Method for controlling transmit power for communication system
EP1071223A3 (de) * 1999-07-19 2004-03-03 YRP Mobile Telecommunications Key Technology Research Laboratories Co., Ltd. CDMA Basisstationsgerät und CDMA mobiles Kommunikationssystem
JP3309836B2 (ja) * 1999-07-22 2002-07-29 日本電気株式会社 Ｃｄｍａセルラー無線システムおよび通信方法
JP2001036969A (ja) 1999-07-23 2001-02-09 Kyocera Corp 通信システム
US6366601B1 (en) 1999-11-17 2002-04-02 Motorola, Inc. Variable rate spread spectrum communication method and apparatus
JP4511686B2 (ja) 2000-05-26 2010-07-28 パナソニック株式会社 無線通信装置及び無線通信方法
JP4453168B2 (ja) * 2000-06-23 2010-04-21 日本電気株式会社 移動通信制御方法、セルラシステム、移動局、基地局及び基地局制御装置
JP3596477B2 (ja) * 2001-02-28 2004-12-02 日本電気株式会社 移動通信システム及びそれに用いる変調・符号化モード切替方法
US6754169B2 (en) * 2001-12-13 2004-06-22 Motorola, Inc. Method and system of operation for a variable transmission mode multi-carrier communication system

Also Published As

Publication number Publication date
US8526399B2 (en) 2013-09-03
JP4030964B2 (ja) 2008-01-09
CN1623290B (zh) 2011-10-26
EP2367331B1 (de) 2013-09-11
CN1623290A (zh) 2005-06-01
JPWO2003073670A1 (ja) 2005-06-23
WO2003073670A1 (fr) 2003-09-04
EP1858172B1 (de) 2015-09-02
EP1858172A1 (de) 2007-11-21
EP2367331A1 (de) 2011-09-21
EP1480364A1 (de) 2004-11-24
EP1480364A4 (de) 2005-09-21
US20050018642A1 (en) 2005-01-27
EP1480364B1 (de) 2010-12-15

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