IL148095A0 - Method and apparatus for multiple access over a communication channel - Google Patents

Method and apparatus for multiple access over a communication channel

Info

Publication number
IL148095A0
IL148095A0 IL14809500A IL14809500A IL148095A0 IL 148095 A0 IL148095 A0 IL 148095A0 IL 14809500 A IL14809500 A IL 14809500A IL 14809500 A IL14809500 A IL 14809500A IL 148095 A0 IL148095 A0 IL 148095A0
Authority
IL
Israel
Prior art keywords
multiple access
codes
direct sequence
transmitters
crma
Prior art date
Application number
IL14809500A
Other languages
English (en)
Original Assignee
Viasat 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 Viasat Inc filed Critical Viasat Inc
Publication of IL148095A0 publication Critical patent/IL148095A0/xx

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
    • 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]
    • 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
    • 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
    • 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
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
IL14809500A 1999-08-13 2000-08-14 Method and apparatus for multiple access over a communication channel IL148095A0 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14892599P 1999-08-13 1999-08-13
US09/531,996 US7065125B1 (en) 1999-08-13 2000-03-20 Method and apparatus for multiple access over a communication channel
PCT/US2000/022313 WO2001013534A1 (en) 1999-08-13 2000-08-14 Method and apparatus for multiple access over a communication channel

Publications (1)

Publication Number Publication Date
IL148095A0 true IL148095A0 (en) 2002-09-12

Family

ID=26846312

Family Applications (2)

Application Number Title Priority Date Filing Date
IL14809500A IL148095A0 (en) 1999-08-13 2000-08-14 Method and apparatus for multiple access over a communication channel
IL183434A IL183434A0 (en) 1999-08-13 2007-05-27 Method and apparatus for multiple access over a communication channel

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL183434A IL183434A0 (en) 1999-08-13 2007-05-27 Method and apparatus for multiple access over a communication channel

Country Status (8)

Country Link
US (2) US7065125B1 (de)
EP (1) EP1203456B1 (de)
AT (1) ATE397326T1 (de)
AU (1) AU7058800A (de)
CA (1) CA2381776C (de)
DE (1) DE60039052D1 (de)
IL (2) IL148095A0 (de)
WO (1) WO2001013534A1 (de)

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Publication number Priority date Publication date Assignee Title
US20070127553A1 (en) * 1999-08-13 2007-06-07 Viasat, Inc. Code Reuse Multiple Access For Satellite Return Link
US7420986B1 (en) * 1999-11-02 2008-09-02 Broadcom Corporation Method and apparatus for the detection and classification of collisions on a shared RF network
US20020159399A1 (en) * 2001-04-27 2002-10-31 Stephenson Gary V. Combined fixed satellite service and mobile platform satellite service communication system
US7104534B2 (en) 2001-06-08 2006-09-12 Broadcom Corporation System and method for detecting collisions in a shared communications medium
US7577122B1 (en) * 2002-06-18 2009-08-18 Richard Douglas Schultz Method for minimizing receive packet processing for a personal computer implementation of a wireless local area network adapter
JP3876781B2 (ja) * 2002-07-16 2007-02-07 ソニー株式会社 受信装置および受信方法、記録媒体、並びにプログラム
DE10256620A1 (de) * 2002-12-03 2004-07-08 Daimlerchrysler Ag Radarsystem mit integrierter Datenübertragung
US7558537B2 (en) * 2005-06-07 2009-07-07 Broadcom Corporation Modified preamble for programmable transmitter
TWI288545B (en) * 2005-12-09 2007-10-11 Chung Shan Inst Of Science MIMO-CDMA apparatus and the coding/decoding method thereof
JP4199794B2 (ja) * 2006-09-29 2008-12-17 シャープ株式会社 データ送信方法及び装置並びにデータ受信方法及び装置
ES2764960T3 (es) 2008-08-26 2020-06-05 Agence Spatiale Europeenne Métodos, aparatos y sistema para la comunicación de espectro ensanchado asíncrona
FR2976429A1 (fr) * 2011-06-08 2012-12-14 St Microelectronics Sa Systeme de transmission sans fil
US9197467B2 (en) 2011-10-21 2015-11-24 Itron, Inc. Multiple protocol receiver
US8837640B2 (en) * 2011-10-21 2014-09-16 Itron, Inc. Multiple protocol receiver
CN103428124B (zh) * 2013-07-24 2016-04-13 中国人民解放军总参谋部第五十七研究所 一种基于双向时域波形混叠的高安全通信方法
CN107425904A (zh) * 2017-07-17 2017-12-01 南京邮电大学 一种基于频率槽和fft的pcma系统时延和频差快速粗捕方法
CN118784411B (zh) * 2024-07-08 2025-10-31 西安电子科技大学 一种pcma信号盲分离的方法

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Publication number Priority date Publication date Assignee Title
JPS6033746A (ja) * 1983-08-04 1985-02-21 Nec Corp 衛星回線監視方式
JPS6248819A (ja) * 1985-08-28 1987-03-03 Kokusai Denshin Denwa Co Ltd <Kdd> 衛星通信方式
US5084900A (en) 1989-12-21 1992-01-28 Gte Spacenet Corporation Spread spectrum system with random code retransmission
US5313457A (en) 1992-04-14 1994-05-17 Trimble Navigation Limited Code position modulation system and method for multiple user satellite communications
JP2720721B2 (ja) * 1992-08-21 1998-03-04 日本電気株式会社 変復調装置
BR9306125A (pt) 1993-01-13 1997-08-19 Motorola Inc Sistema de comunicação para transmissão de mensagens de retorno empregando estações de base fixas e controlador central acoplado para controlar ditas estações de base
EP0639899B2 (de) * 1993-03-05 2008-02-27 Ntt Mobile Communications Network Inc. Cdma kommunikationsverfahren mit selektivem zugriff und anordnung für mobile stationen in denen dieses verfahren angewandt wird
JP3202125B2 (ja) * 1994-03-10 2001-08-27 沖電気工業株式会社 符号分割多元接続システム
US5537397A (en) * 1994-06-07 1996-07-16 Aloha Networks, Inc. Spread aloha CDMA data communications
US5654955A (en) 1994-12-15 1997-08-05 Stanford Telecommunications, Inc. Network entry channel for CDMA systems
FI97583C (fi) 1995-02-02 1997-01-10 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä, lähetin ja vastaanotin
US5748676A (en) * 1995-05-01 1998-05-05 Norand Corporation Network utilizing modified preambles that support antenna diversity
US5745485A (en) 1995-06-19 1998-04-28 Aloha Networks, Inc. Dual code multiple access for wireless data networks
US5596439A (en) 1995-08-01 1997-01-21 Viasat, Inc. Self-interference cancellation for two-party relayed communication
JP2820919B2 (ja) * 1996-03-25 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 Ｃｄｍａ移動体通信システムおよび送受信機
JP3385299B2 (ja) * 1996-05-20 2003-03-10 三菱電機株式会社 スペクトル拡散通信装置
US6259724B1 (en) 1996-10-18 2001-07-10 Telefonaktiebolaget L M Ericsson (Publ) Random access in a mobile telecommunications system
US5903555A (en) * 1996-10-30 1999-05-11 Trw Inc. Modulation method and system using constant envelope ODSCDMA with low out-of-band emissions for non-linear amplification
US6163533A (en) * 1997-04-30 2000-12-19 Telefonaktiebolaget Lm Ericsson (Publ) Random access in a mobile telecommunications system
FR2774831B1 (fr) 1998-02-11 2000-04-07 Agence Spatiale Europeenne Recepteur adaptatif de signaux pour systeme de communications a acces pultiples par repartition a codes
JP2894340B1 (ja) * 1998-03-04 1999-05-24 日本電気株式会社 スペクトラム拡散通信方式
US6037835A (en) * 1998-05-12 2000-03-14 Trw Inc. Multi-mode autonomous selection demodulator
KR100267256B1 (ko) * 1998-07-13 2000-10-16 김영환 기지국의 접속 채널 탐색 및 핑거 할당 방법

Also Published As

Publication number Publication date
WO2001013534A1 (en) 2001-02-22
AU7058800A (en) 2001-03-13
IL183434A0 (en) 2007-09-20
ATE397326T1 (de) 2008-06-15
CA2381776C (en) 2009-12-29
DE60039052D1 (de) 2008-07-10
US20060209928A1 (en) 2006-09-21
US7065125B1 (en) 2006-06-20
EP1203456B1 (de) 2008-05-28
EP1203456A1 (de) 2002-05-08
CA2381776A1 (en) 2001-02-22

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