DE69728077D1 - Mobiles CDMA-Nachrichtenübertragungssystem - Google Patents

Mobiles CDMA-Nachrichtenübertragungssystem

Info

Publication number
DE69728077D1
DE69728077D1 DE69728077T DE69728077T DE69728077D1 DE 69728077 D1 DE69728077 D1 DE 69728077D1 DE 69728077 T DE69728077 T DE 69728077T DE 69728077 T DE69728077 T DE 69728077T DE 69728077 D1 DE69728077 D1 DE 69728077D1
Authority
DE
Germany
Prior art keywords
messaging system
mobile cdma
cdma messaging
mobile
messaging
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
DE69728077T
Other languages
English (en)
Other versions
DE69728077T2 (de
Inventor
Terumi Sunaga
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.)
Sony Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69728077D1 publication Critical patent/DE69728077D1/de
Publication of DE69728077T2 publication Critical patent/DE69728077T2/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
    • 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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H04B7/2637—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for logical channel control
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DE1997628077 1996-03-25 1997-03-21 Mobiles CDMA-Nachrichtenübertragungssystem Expired - Lifetime DE69728077T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9295496A JP2820919B2 (ja) 1996-03-25 1996-03-25 Ｃｄｍａ移動体通信システムおよび送受信機
JP9295496 1996-03-25

Publications (2)

Publication Number Publication Date
DE69728077D1 true DE69728077D1 (de) 2004-04-22
DE69728077T2 DE69728077T2 (de) 2005-03-03

Family

ID=14068859

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1997628077 Expired - Lifetime DE69728077T2 (de) 1996-03-25 1997-03-21 Mobiles CDMA-Nachrichtenübertragungssystem
DE1997633291 Expired - Lifetime DE69733291T2 (de) 1996-03-25 1997-03-21 Sender und Empfänger zur Spreizspektrumnachrichtenübertragung sowie Mobilnachrichtenübertragungssystem und Mobilnachrichtenübertragungsverfahren mit Kodemultiplexvielfachzugriff

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1997633291 Expired - Lifetime DE69733291T2 (de) 1996-03-25 1997-03-21 Sender und Empfänger zur Spreizspektrumnachrichtenübertragung sowie Mobilnachrichtenübertragungssystem und Mobilnachrichtenübertragungsverfahren mit Kodemultiplexvielfachzugriff

Country Status (5)

Country Link
US (2) US6381233B1 (de)
EP (3) EP1401115B1 (de)
JP (1) JP2820919B2 (de)
KR (1) KR100223364B1 (de)
DE (2) DE69728077T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6141555A (en) * 1997-06-09 2000-10-31 Nec Corporation Cellular communication system, and mobile and base stations used in the same
US6680928B1 (en) * 1997-07-22 2004-01-20 Ericsson Inc. Communications system and method for multi-carrier orthogonal coding
US6301237B1 (en) * 1997-12-30 2001-10-09 Matsushita Electric Industrial Co., Ltd. CDMA radio multiplex transmitting device and a CDMA radio multiplex receiving device
JP3335900B2 (ja) 1998-02-27 2002-10-21 松下電器産業株式会社 干渉除去装置及び干渉除去方法
JP3266091B2 (ja) * 1998-03-04 2002-03-18 日本電気株式会社 セルラシステム
JP4298164B2 (ja) * 1998-03-17 2009-07-15 インターデイジタル テクノロジー コーポレーション 可変通信容量を備えるモジュール式基地局
EP1699141B1 (de) * 1998-03-26 2007-08-08 Mitsubishi Denki Kabushiki Kaisha Spreizspektrumnachrichtenübertragungsverfahren
JP3024751B2 (ja) 1998-04-22 2000-03-21 日本電気株式会社 フレームオフセット設定システム及び設定方法並びに設定プログラム記録媒体
KR100326183B1 (ko) * 1998-06-13 2002-06-29 윤종용 부호분할다중접속통신시스템에서천공된프레임의전력보상장치및방법
CN1068745C (zh) * 1998-07-17 2001-07-18 中国人民解放军信息工程学院 实现共用时分导频同步正交码分多址信道的方法
KR100306285B1 (ko) * 1998-07-28 2001-11-01 윤종용 부호분할다중접속 통신시스템의 제어유지상태에서 단속적 송신방법 및 장치
US6396817B2 (en) * 1998-08-31 2002-05-28 Qualcomm Incorporated Signal splitting method for limiting peak power in a CDMA system
JP3741881B2 (ja) * 1998-11-16 2006-02-01 富士通株式会社 Ｃｄｍａ通信において使用される受信装置
US6785257B1 (en) * 1999-02-24 2004-08-31 Kokusai Electric Co., Ltd. Base station
JP2000252960A (ja) * 1999-03-01 2000-09-14 Toshiba Corp Ｒａｋｅ受信装置
US6219344B1 (en) * 1999-04-21 2001-04-17 Infineon Technologies Ag Pilot aided traffic channel estimation for CDMA cellular systems
JP3715141B2 (ja) * 1999-07-13 2005-11-09 松下電器産業株式会社 通信端末装置
US20070127553A1 (en) * 1999-08-13 2007-06-07 Viasat, Inc. Code Reuse Multiple Access For Satellite Return Link
US7065125B1 (en) * 1999-08-13 2006-06-20 Viasat, Inc. Method and apparatus for multiple access over a communication channel
JP3793380B2 (ja) 1999-10-22 2006-07-05 株式会社エヌ・ティ・ティ・ドコモ Ｃｄｍａ移動通信システムにおける下りリンクのパイロットチャネルの送信方法およびｃｄｍａ移動通信システム
JP2001204075A (ja) * 2000-01-24 2001-07-27 Kddi Corp 無線パケットチャネルを動的に割り当てる移動通信システム
DE60024890T2 (de) * 2000-09-13 2006-06-14 Nortel Networks Ltd Mehrbenutzerdetektion in einem cdma-kommunikationssystem
US7953446B2 (en) 2000-12-11 2011-05-31 Nortel Networks Limited Antenna systems with common overhead for CDMA base stations
US8504109B2 (en) 2000-12-11 2013-08-06 Apple Inc. Antenna systems with common overhead for CDMA base stations
JP3628977B2 (ja) * 2001-05-16 2005-03-16 松下電器産業株式会社 無線基地局装置及び通信端末装置
US7065129B2 (en) * 2001-06-29 2006-06-20 Qualcomm, Inc. Acquisition of a gated pilot by avoiding partial correlation peaks
JP3676991B2 (ja) 2001-07-05 2005-07-27 松下電器産業株式会社 無線通信装置及び無線通信方法
JP3564108B2 (ja) * 2002-03-08 2004-09-08 イビデン産業株式会社 有線スペクトル拡散通信装置、その通信方法および有線スペクトル拡散通信システム
US7181245B2 (en) 2002-06-27 2007-02-20 Nortel Networks Limited Wireless transmitter, transceiver and method
US20070076808A1 (en) * 2004-08-12 2007-04-05 Manish Bhardwaj Method and apparatus to track gain variation in orthogonal frequency division multiplexing (OFDM) systems
KR100735231B1 (ko) * 2004-11-11 2007-07-03 삼성전자주식회사 이동통신 시스템에서 파일럿 톤 배치 방법 및 장치
US7512096B2 (en) * 2004-11-24 2009-03-31 Alcatel-Lucent Usa Inc. Communicating data between an access point and multiple wireless devices over a link
KR101074219B1 (ko) * 2008-03-27 2011-10-14 주식회사 세아네트웍스 파일럿 신호 전송을 위한 방법 및 장치
CN104159306B (zh) * 2014-07-22 2018-05-29 华为技术有限公司 一种控制空口资源的方法、设备及系统

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5295153A (en) 1992-04-13 1994-03-15 Telefonaktiebolaget L M Ericsson CDMA frequency allocation
US5414734A (en) * 1993-01-06 1995-05-09 Glenayre Electronics, Inc. Compensation for multi-path interference using pilot symbols
JP3457357B2 (ja) * 1993-07-23 2003-10-14 株式会社日立製作所 スペクトル拡散通信システム、送信電力制御方法、移動端末装置及び基地局
FR2709028B1 (fr) * 1993-08-13 1995-10-20 Matra Communication Procédé de sélection des trajets de propagation retenus pour recevoir des messages transmis par radiocommunication AMRC.
FR2709029B1 (fr) * 1993-08-13 1995-10-20 Matra Communication Procédé de transmission pour des radio communications AMRC et dispositifs pour sa mise en Óoeuvre.
US5414728A (en) * 1993-11-01 1995-05-09 Qualcomm Incorporated Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels
US5471497A (en) 1993-11-01 1995-11-28 Zehavi; Ephraim Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding
US5559789A (en) * 1994-01-31 1996-09-24 Matsushita Electric Industrial Co., Ltd. CDMA/TDD Radio Communication System
JPH0819041A (ja) * 1994-06-25 1996-01-19 Nec Corp デジタルコードレス電話システムにおける子機間通信方法及びデジタルコードレス電話装置
US5920555A (en) * 1994-07-28 1999-07-06 Roke Manor Research Limited Pilot assisted direct sequence spread spectrum synchronization apparatus
US5646632A (en) * 1994-11-14 1997-07-08 Lucent Technologies Inc. Method and apparatus for a portable communication device to identify its own location
JP3243775B2 (ja) 1994-12-27 2002-01-07 株式会社エヌ・ティ・ティ・ドコモ 符号分割多重信号受信装置
JPH08335899A (ja) * 1995-06-07 1996-12-17 N T T Ido Tsushinmo Kk Ｃｄｍａ復調回路
US5577025A (en) * 1995-06-30 1996-11-19 Qualcomm Incorporated Signal acquisition in a multi-user communication system using multiple walsh channels
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US5943331A (en) * 1997-02-28 1999-08-24 Interdigital Technology Corporation Orthogonal code synchronization system and method for spread spectrum CDMA communications
US6272128B1 (en) * 1998-06-16 2001-08-07 Mci Communications Corporation Method and system for emulating a T1 link over an ATM network

Also Published As

Publication number Publication date
EP0798872B1 (de) 2004-03-17
EP1401115B1 (de) 2005-05-11
EP1401115A3 (de) 2004-05-26
KR970068217A (ko) 1997-10-13
EP1401115A2 (de) 2004-03-24
EP1513265A3 (de) 2006-07-05
JPH09261763A (ja) 1997-10-03
US6381233B1 (en) 2002-04-30
EP1513265A2 (de) 2005-03-09
JP2820919B2 (ja) 1998-11-05
KR100223364B1 (ko) 1999-10-15
DE69733291D1 (de) 2005-06-16
EP0798872A2 (de) 1997-10-01
DE69728077T2 (de) 2005-03-03
USRE40997E1 (en) 2009-11-24
DE69733291T2 (de) 2005-10-06
EP0798872A3 (de) 2000-02-02

Similar Documents

Publication Publication Date Title
DE69728077D1 (de) Mobiles CDMA-Nachrichtenübertragungssystem
DE69734306D1 (de) Zwei-wege schnurloses Nachrichtensystem
DE69703084D1 (de) CDMA Zellularfunkübertragungssystem
DE19983868T1 (de) Mobilendgerät-Reserveenergiesystem
DE69729703D1 (de) Mobile station
DE69733457D1 (de) Modulares mobiles Kommunikationssystem
DE69840660D1 (de) Mobiles Kommunikationssystem und mobiles Kommunikationsverfahren dafür
DE69702875D1 (de) Zellulare CDMA-Funkübertragungsanordnung
FI972461A0 (fi) Radiosystem
FI970663A (fi) Solukkomatkaviestinjärjestelmä
NO994198D0 (no) Forbedret cellulært kommunikasjonssystem
DE69434503D1 (de) Mobiles Funk-Übermittlungssystem
DE69739458D1 (de) Mobiles nachrichtenübertragungssystem
DE69429846D1 (de) Mobiles Kommunikationssystem
DE69733520D1 (de) CDMA-Kommunikationssystem
DE69941345D1 (de) Mobiles Telekommunikationssystem
DE69826174D1 (de) Mobiles Funkgerät
DE69721158D1 (de) CDMA Nachrichtenübertragungssystem
NO972745D0 (no) Celledelt mobilstasjonssystem
FI973979A0 (fi) Matkapuhelinjärjestelmä
BR9708293A (pt) Sistema de comunicação de mensagens sem fios
EE9900173A (et) Mobiilseadme juhitav kanalivahetus raadiosidesüsteemides
DE69729986D1 (de) Mobiler Nachrichtenübertragungsempfänger für CDMA-System
FI964855A0 (fi) Solukkoradiojärjestelmä
FI980076A (fi) Solukkoradiojärjestelmä

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: HML, 80799 MUENCHEN

8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: SONY CORP., TOKIO/TOKYO, JP

8328 Change in the person/name/address of the agent

Representative=s name: MITSCHERLICH & PARTNER, PATENT- UND RECHTSANWAELTE

8321 Willingness to grant licences paragraph 23 withdrawn