CA2004030A1 - Systeme de communication duplex mrt economisant le spectre - Google Patents

Systeme de communication duplex mrt economisant le spectre

Info

Publication number
CA2004030A1
CA2004030A1 CA2004030A CA2004030A CA2004030A1 CA 2004030 A1 CA2004030 A1 CA 2004030A1 CA 2004030 A CA2004030 A CA 2004030A CA 2004030 A CA2004030 A CA 2004030A CA 2004030 A1 CA2004030 A1 CA 2004030A1
Authority
CA
Canada
Prior art keywords
communication system
talker
duplex communication
tdm
spectrally efficient
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.)
Granted
Application number
CA2004030A
Other languages
English (en)
Other versions
CA2004030C (fr
Inventor
Brian K. A. Johnson
Stelios J. Patsiokas
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of CA2004030A1 publication Critical patent/CA2004030A1/fr
Application granted granted Critical
Publication of CA2004030C publication Critical patent/CA2004030C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • H04L5/1484—Two-way operation using the same type of signal, i.e. duplex using time-sharing operating bytewise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
    • H04J3/1688—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers the demands of the users being taken into account after redundancy removal, e.g. by predictive coding, by variable sampling

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
CA002004030A 1989-01-23 1989-11-28 Systeme de communication duplex mrt economisant le spectre Expired - Fee Related CA2004030C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US300,993 1989-01-23
US07/300,993 US5001703A (en) 1989-01-23 1989-01-23 Spectrally efficient TDM duplex communication system

Publications (2)

Publication Number Publication Date
CA2004030A1 true CA2004030A1 (fr) 1990-07-23
CA2004030C CA2004030C (fr) 1993-10-19

Family

ID=23161463

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002004030A Expired - Fee Related CA2004030C (fr) 1989-01-23 1989-11-28 Systeme de communication duplex mrt economisant le spectre

Country Status (5)

Country Link
US (1) US5001703A (fr)
KR (1) KR940000548B1 (fr)
AU (1) AU4830190A (fr)
CA (1) CA2004030C (fr)
WO (1) WO1990008436A1 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416779A (en) * 1989-01-27 1995-05-16 British Telecommunications Public Limited Company Time division duplex telecommunication system
NZ232222A (en) * 1989-01-27 1993-03-26 British Telecomm Alternate burst communication for cordless phones: burst formats
CA2015248C (fr) * 1989-06-30 1996-12-17 Gerald R. Ash Reseau de communication a partage total
US5182753A (en) * 1990-03-20 1993-01-26 Telefonaktiebolaget L M Ericsson Method of transmitting signaling messages in a mobile radio communication system
US5369637A (en) * 1991-04-03 1994-11-29 U.S. Philips Corporation Signal transmission system
JP3264925B2 (ja) * 1991-11-08 2002-03-11 アトメル コーポレイション 無線通信システム
GB2261796B (en) * 1991-11-23 1995-11-01 Dowty Communications Ltd A Communications Bus
FR2689346B1 (fr) * 1992-03-31 1994-06-10 Matra Communication Procede de communication par radio a multiplexages temporels.
IT1270938B (it) * 1993-05-14 1997-05-16 Cselt Centro Studi Lab Telecom Procedimento per il controllo della trasmissione su uno stesso canale di flussi informativi a velocita' variabile in sistemi di comunicazione tra mezzi mobili, e sistema utilizzante tale procedimento
US5379279A (en) * 1993-07-06 1995-01-03 Motorola, Inc. Communication device with time assigned duplex operation
CA2128835C (fr) * 1993-08-03 1999-04-06 Daniel F. Daly Enregistreur automatique numerique modulaire
JPH07264650A (ja) * 1994-03-18 1995-10-13 Fujitsu Ltd 小型基地局を備えた移動通信システム
US5742593A (en) * 1995-08-29 1998-04-21 Hazeltine Corporation On-line distributed TDMA/FDMA/CDMA link assignment in mobile radio networks with flexible directivity
JPH0993231A (ja) * 1995-09-21 1997-04-04 Fujitsu Ltd 双方向データ伝送方法及び双方向データ伝送システム
US6097704A (en) * 1996-06-28 2000-08-01 Harris Corporation System for communicating digital information between a base unit and plural mobile units
FI963518A (fi) * 1996-09-06 1998-03-07 Nokia Telecommunications Oy Tiedonsiirtomenetelmä ja radiojärjestelmä
US6172965B1 (en) * 1996-12-23 2001-01-09 Nortel Networks Limited Duplex transmission scheme
US6728257B1 (en) * 1998-08-28 2004-04-27 The Board Of Trustees Of The University Of Illinois Fluid flow fair scheduling emulation in wireless shared channel packet communication network
US7126983B1 (en) * 1999-03-08 2006-10-24 Silicon Laboratories Inc. Methods and apparatus for communicating commands and data using logical channels
US6775372B1 (en) 1999-06-02 2004-08-10 Dictaphone Corporation System and method for multi-stage data logging
US6246752B1 (en) * 1999-06-08 2001-06-12 Valerie Bscheider System and method for data recording
US6252947B1 (en) 1999-06-08 2001-06-26 David A. Diamond System and method for data recording and playback
US6249570B1 (en) * 1999-06-08 2001-06-19 David A. Glowny System and method for recording and storing telephone call information
US6252946B1 (en) * 1999-06-08 2001-06-26 David A. Glowny System and method for integrating call record information
DK1206104T3 (da) * 2000-11-09 2006-10-30 Koninkl Kpn Nv Måling af en samtalekvalitet af en telefonforbindelse i et telekommunikationsnetværk
CA2859307C (fr) * 2011-12-14 2015-02-10 Redline Communications Inc. Communication sans fil bidirectionnelle simultanee monocanal

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2927228A1 (de) * 1979-07-05 1981-01-08 Semens Ag Verfahren zur vierdrahtmaessigen uebertragung von digitalen nachrichtensignalen
US4686672A (en) * 1983-10-13 1987-08-11 Nec Corporation TDMA communications apparatus having adaptive burst duration
US4597073A (en) * 1985-08-27 1986-06-24 Data Race, Inc. Full-duplex split-speed data communication unit for remote DTE
US4754450A (en) * 1986-03-25 1988-06-28 Motorola, Inc. TDM communication system for efficient spectrum utilization
CA1274928A (fr) * 1986-05-28 1990-10-02 Hirotoshi Shirasu Methode et systeme de transmission bidirectionnelle de donnees

Also Published As

Publication number Publication date
KR940000548B1 (ko) 1994-01-24
KR910700575A (ko) 1991-03-15
AU4830190A (en) 1990-08-13
CA2004030C (fr) 1993-10-19
WO1990008436A1 (fr) 1990-07-26
US5001703A (en) 1991-03-19

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