DE59106942D1 - Mehrfachzugriffsverfahren und Mobilfunksystem zur Durchführung des Mehrfachzugriffsverfahrens. - Google Patents

Mehrfachzugriffsverfahren und Mobilfunksystem zur Durchführung des Mehrfachzugriffsverfahrens.

Info

Publication number
DE59106942D1
DE59106942D1 DE59106942T DE59106942T DE59106942D1 DE 59106942 D1 DE59106942 D1 DE 59106942D1 DE 59106942 T DE59106942 T DE 59106942T DE 59106942 T DE59106942 T DE 59106942T DE 59106942 D1 DE59106942 D1 DE 59106942D1
Authority
DE
Germany
Prior art keywords
multiple access
access method
data streams
spread sequence
tdma
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 - Fee Related
Application number
DE59106942T
Other languages
English (en)
Inventor
James L Massey
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.)
Ascom Tech AG
Original Assignee
Ascom Tech AG
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 Ascom Tech AG filed Critical Ascom Tech AG
Application granted granted Critical
Publication of DE59106942D1 publication Critical patent/DE59106942D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0074—Code shifting or hopping
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • 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
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709709—Methods of preventing interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
DE59106942T 1990-11-22 1991-10-24 Mehrfachzugriffsverfahren und Mobilfunksystem zur Durchführung des Mehrfachzugriffsverfahrens. Expired - Fee Related DE59106942D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH370290 1990-11-22

Publications (1)

Publication Number Publication Date
DE59106942D1 true DE59106942D1 (de) 1996-01-04

Family

ID=4261690

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59106942T Expired - Fee Related DE59106942D1 (de) 1990-11-22 1991-10-24 Mehrfachzugriffsverfahren und Mobilfunksystem zur Durchführung des Mehrfachzugriffsverfahrens.

Country Status (5)

Country Link
US (1) US5170412A (de)
EP (1) EP0486834B1 (de)
JP (1) JPH04351130A (de)
AT (1) ATE130712T1 (de)
DE (1) DE59106942D1 (de)

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* Cited by examiner, † Cited by third party
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US5341395A (en) * 1992-11-24 1994-08-23 At&T Bell Laboratories Data recovery technique for asynchronous CDMA systems
FI925472A (fi) * 1992-12-01 1994-06-02 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä sekä -järjestelmä
US5345468A (en) * 1992-12-16 1994-09-06 At&T Bell Laboratories Despreading technique for CDMA systems
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
FI933129A0 (fi) * 1993-07-08 1993-07-08 Nokia Mobile Phones Ltd Dataoeverfoeringsfoerfarande foer ett digitalt cellulaert mobiltelefonsystem och ett digitalt cellulaert mobiltelefonsystem
US5537434A (en) * 1993-10-25 1996-07-16 Telefonaktiebolaget Lm Ericsson Frequency hopping control channel in a radio communication system
US6094575A (en) * 1993-11-01 2000-07-25 Omnipoint Corporation Communication system and method
US5436941A (en) * 1993-11-01 1995-07-25 Omnipoint Corporation Spread spectrum spectral density techniques
US6005856A (en) * 1993-11-01 1999-12-21 Omnipoint Corporation Communication protocol for spread spectrum wireless communication system
WO1995012945A1 (en) * 1993-11-01 1995-05-11 Omnipoint Corporation Despreading/demodulating direct sequence spread spectrum signals
US6088590A (en) 1993-11-01 2000-07-11 Omnipoint Corporation Method and system for mobile controlled handoff and link maintenance in spread spectrum communication
JP3003839B2 (ja) * 1993-11-08 2000-01-31 エヌ・ティ・ティ移動通信網株式会社 Ｃｄｍａ通信方法および装置
FR2713418B1 (fr) * 1993-11-30 1995-12-29 Thomson Csf Procédé de transmission par paquets et émetteur et récepteur mettant en Óoeuvre ce procédé.
JP2636712B2 (ja) * 1993-12-08 1997-07-30 日本電気株式会社 移動通信装置
JP2734952B2 (ja) * 1993-12-16 1998-04-02 日本電気株式会社 Ｃｄｍａ基地局受信装置
JPH07245597A (ja) * 1994-03-02 1995-09-19 Pioneer Electron Corp スペクトラム拡散通信方法及び送受信装置
JP3302168B2 (ja) * 1994-04-05 2002-07-15 株式会社東芝 移動無線通信システム
FR2721784B1 (fr) * 1994-06-24 1996-07-19 Thomson Csf Procédé, émetteur et récepteur pour la transmission d'informations par paquets.
US5757847A (en) 1994-09-09 1998-05-26 Omnipoint Corporation Method and apparatus for decoding a phase encoded signal
JP3215018B2 (ja) * 1994-09-09 2001-10-02 三菱電機株式会社 移動通信システム
US5627856A (en) 1994-09-09 1997-05-06 Omnipoint Corporation Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators
US5648982A (en) 1994-09-09 1997-07-15 Omnipoint Corporation Spread spectrum transmitter
US5754585A (en) 1994-09-09 1998-05-19 Omnipoint Corporation Method and apparatus for serial noncoherent correlation of a spread spectrum signal
US5856998A (en) 1994-09-09 1999-01-05 Omnipoint Corporation Method and apparatus for correlating a continuous phase modulated spread spectrum signal
US5659574A (en) 1994-09-09 1997-08-19 Omnipoint Corporation Multi-bit correlation of continuous phase modulated signals
US5963586A (en) 1994-09-09 1999-10-05 Omnipoint Corporation Method and apparatus for parallel noncoherent correlation of a spread spectrum signal
US5610940A (en) 1994-09-09 1997-03-11 Omnipoint Corporation Method and apparatus for noncoherent reception and correlation of a continous phase modulated signal
US5881100A (en) 1994-09-09 1999-03-09 Omnipoint Corporation Method and apparatus for coherent correlation of a spread spectrum signal
US5680414A (en) 1994-09-09 1997-10-21 Omnipoint Corporation Synchronization apparatus and method for spread spectrum receiver
US5832028A (en) 1994-09-09 1998-11-03 Omnipoint Corporation Method and apparatus for coherent serial correlation of a spread spectrum signal
US5953370A (en) 1994-09-09 1999-09-14 Omnipoint Corporation Apparatus for receiving and correlating a spread spectrum signal
US5692007A (en) 1994-09-09 1997-11-25 Omnipoint Corporation Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation
US5754584A (en) 1994-09-09 1998-05-19 Omnipoint Corporation Non-coherent spread-spectrum continuous-phase modulation communication system
US5629956A (en) 1994-09-09 1997-05-13 Omnipoint Corporation Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal
US5625642A (en) * 1994-10-11 1997-04-29 Lucent Technologies Inc. Spread-response precoding system having signature sequences longer than the inter-symbol time interval
US5570351A (en) * 1994-10-11 1996-10-29 Lucent Technologies Inc. Multi-user communication system employing spread signatures
US5742583A (en) 1994-11-03 1998-04-21 Omnipoint Corporation Antenna diversity techniques
FI97583C (fi) 1995-02-02 1997-01-10 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä, lähetin ja vastaanotin
US5784403A (en) * 1995-02-03 1998-07-21 Omnipoint Corporation Spread spectrum correlation using saw device
US5627855A (en) * 1995-05-25 1997-05-06 Golden Bridge Technology, Inc. Programmable two-part matched filter for spread spectrum
US5745484A (en) 1995-06-05 1998-04-28 Omnipoint Corporation Efficient communication system using time division multiplexing and timing adjustment control
US5689502A (en) * 1995-06-05 1997-11-18 Omnipoint Corporation Efficient frequency division duplex communication system with interleaved format and timing adjustment control
US5959980A (en) 1995-06-05 1999-09-28 Omnipoint Corporation Timing adjustment control for efficient time division duplex communication
US5802046A (en) * 1995-06-05 1998-09-01 Omnipoint Corporation Efficient time division duplex communication system with interleaved format and timing adjustment control
US6041046A (en) * 1995-07-14 2000-03-21 Omnipoint Corporation Cyclic time hopping in time division multiple access communication system
US5960028A (en) * 1995-08-11 1999-09-28 Sharp Kabushiki Kaisha Spread spectrum communication system
US6108364A (en) * 1995-08-31 2000-08-22 Qualcomm Incorporated Time division duplex repeater for use in a CDMA system
US5844894A (en) * 1996-02-29 1998-12-01 Ericsson Inc. Time-reuse partitioning system and methods for cellular radio telephone systems
US5606548A (en) * 1996-04-16 1997-02-25 Nokia Mobile Phones Limited Mobile terminal having improved digital control channel (DCCH) search procedure
JP2800891B2 (ja) * 1996-12-17 1998-09-21 日本電気株式会社 Ｃｄｍａ方式のマルチコード送信装置
US6282228B1 (en) * 1997-03-20 2001-08-28 Xircom, Inc. Spread spectrum codes for use in communication
US6151354A (en) * 1997-12-19 2000-11-21 Rockwell Science Center Multi-mode, multi-band, multi-user radio system architecture
US7031371B1 (en) 2000-09-25 2006-04-18 Lakkis Ismail A CDMA/TDMA communication method and apparatus for wireless communication using cyclic spreading codes
US7391815B2 (en) 2001-12-06 2008-06-24 Pulse-Link, Inc. Systems and methods to recover bandwidth in a communication system
US7317756B2 (en) 2001-12-06 2008-01-08 Pulse-Link, Inc. Ultra-wideband communication apparatus and methods
US8045935B2 (en) 2001-12-06 2011-10-25 Pulse-Link, Inc. High data rate transmitter and receiver
US7406647B2 (en) 2001-12-06 2008-07-29 Pulse-Link, Inc. Systems and methods for forward error correction in a wireless communication network
US7403576B2 (en) 2001-12-06 2008-07-22 Pulse-Link, Inc. Systems and methods for receiving data in a wireless communication network
US7450637B2 (en) 2001-12-06 2008-11-11 Pulse-Link, Inc. Ultra-wideband communication apparatus and methods
US7483483B2 (en) 2001-12-06 2009-01-27 Pulse-Link, Inc. Ultra-wideband communication apparatus and methods
US7508304B2 (en) * 2005-07-06 2009-03-24 The Penn State Research Foundation Networked multiband waveguide intrusion detection and localization sensor
US10623468B1 (en) 2014-05-30 2020-04-14 Mbr Innovations Llc Systems and methods for simultaneous electronic file exchange
US10957445B2 (en) 2017-10-05 2021-03-23 Hill-Rom Services, Inc. Caregiver and staff information system

Also Published As

Publication number Publication date
JPH04351130A (ja) 1992-12-04
US5170412A (en) 1992-12-08
EP0486834A1 (de) 1992-05-27
ATE130712T1 (de) 1995-12-15
EP0486834B1 (de) 1995-11-22

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee