IL79415A - Radiotelephone system employing digitized speech/data and embedded signalling - Google Patents

Radiotelephone system employing digitized speech/data and embedded signalling

Info

Publication number
IL79415A
IL79415A IL79415A IL7941586A IL79415A IL 79415 A IL79415 A IL 79415A IL 79415 A IL79415 A IL 79415A IL 7941586 A IL7941586 A IL 7941586A IL 79415 A IL79415 A IL 79415A
Authority
IL
Israel
Prior art keywords
data
system employing
radiotelephone system
digitized speech
embedded signalling
Prior art date
Application number
IL79415A
Other versions
IL79415A0 (en
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
Priority claimed from US06/771,458 external-priority patent/US4649543A/en
Application filed by Motorola Inc filed Critical Motorola Inc
Priority to IL9296986A priority Critical patent/IL92969A/en
Publication of IL79415A0 publication Critical patent/IL79415A0/en
Priority to IL92969A priority patent/IL92969A0/en
Publication of IL79415A publication Critical patent/IL79415A/en

Links

Classifications

    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H04J3/0605—Special codes used as synchronising signal
    • 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
    • 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
    • H04L7/042—Detectors therefor, e.g. correlators, state machines
    • 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
    • H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
    • 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
    • H04L7/10—Arrangements for initial synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
IL79415A 1985-08-30 1986-07-15 Radiotelephone system employing digitized speech/data and embedded signalling IL79415A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IL9296986A IL92969A (en) 1985-08-30 1986-07-15 Decoder and method of decoding for a radiotelephone system employing digitized speech/data and embedded signalling
IL92969A IL92969A0 (en) 1985-08-30 1990-01-04 Decoder and method of decoding for a radiotelephone system employing digitized speech/data and embedded signalling

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US77146085A 1985-08-30 1985-08-30
US06/771,458 US4649543A (en) 1985-08-30 1985-08-30 Synchronization sequence decoder for a digital radiotelephone system

Publications (2)

Publication Number Publication Date
IL79415A0 IL79415A0 (en) 1986-10-31
IL79415A true IL79415A (en) 1990-11-05

Family

ID=27118468

Family Applications (1)

Application Number Title Priority Date Filing Date
IL79415A IL79415A (en) 1985-08-30 1986-07-15 Radiotelephone system employing digitized speech/data and embedded signalling

Country Status (6)

Country Link
EP (1) EP0235179A1 (en)
CN (1) CN1013540B (en)
AU (1) AU6147886A (en)
CA (1) CA1259659A (en)
IL (1) IL79415A (en)
WO (1) WO1987001490A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE47948T1 (en) * 1984-07-13 1989-11-15 Motorola Inc CELLULAR VOICE AND DATA RADIO TRANSMISSION SYSTEM.
JPH0656411B2 (en) * 1984-12-27 1994-07-27 ソニー株式会社 Spread spectrum signal receiver
EP0343570A1 (en) * 1988-05-26 1989-11-29 Ascom Autophon Ag Method for authenticating a point-to-point connection in a multi-user communication system
US5040195A (en) * 1988-12-20 1991-08-13 Sanyo Electric Co., Ltd. Synchronization recovery circuit for recovering word synchronization
NZ232223A (en) * 1989-01-27 1993-03-26 British Telecomm Alternate burst communication for cordless phones re-established after channel failure
JPH07110075B2 (en) * 1989-07-13 1995-11-22 日本電気株式会社 Cordless telephone system
US5047762A (en) * 1989-12-06 1991-09-10 Motorola, Inc. Method and apparatus for increasing co-channel utilization in a multi-station data communications network with overlapping coverage
US5001742A (en) * 1990-01-29 1991-03-19 At&T Bell Laboratories Baseband signal processing unit and method of operating the same
US5697062A (en) * 1994-02-04 1997-12-09 Advanced Micro Devices Method and apparatus for improved link establishment and monitoring in a communications system
FR2721466B1 (en) * 1994-06-21 1996-07-26 Alcatel Mobile Comm France Control signal for receivers, synchronization device, equalization device, synchronization method and corresponding receivers.
FR2729806A1 (en) * 1995-01-24 1996-07-26 Alcatel Mobile Comm France TRANSMISSION PACKAGE PROVIDED FOR DISCONTINUOUS TRANSMISSION
US5809093A (en) * 1995-06-02 1998-09-15 Dsc Communications Corporation Apparatus and method of frame aligning information in a wireless telecommunications system
US6581179B1 (en) 1996-06-25 2003-06-17 Ericsson Inc. Methods for generating side information in the presence of time-selective fading
US6373899B1 (en) 1997-06-30 2002-04-16 Spacenet, Inc. Combined preamble detection and information method for burst-type digital communication system
DE69932916T2 (en) * 1999-02-24 2007-03-29 Sony Deutschland Gmbh Receiving device and synchronization method for a digital communication system
US8861622B2 (en) 1999-02-24 2014-10-14 Sony Deutschland Gmbh Transmitting apparatus and method for a digital telecommunication system
DE102004059957A1 (en) * 2004-12-13 2006-06-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Synchronization device and device for generating a synchronization signal
EP2717168B1 (en) * 2012-10-05 2017-08-09 General Electric Technology GmbH Networks and method for reliable transfer of information between industrial systems
WO2018106978A1 (en) * 2016-12-09 2018-06-14 H.C. Starck Inc. Fabrication of metallic parts by additive manufacturing and tungsten heavy metal alloy powders therefor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030033A (en) * 1975-06-13 1977-06-14 Lowell Technological Institute Research Foundation Method and apparatus for transmitting messages to and from remote locations
JPS5596751A (en) * 1979-01-17 1980-07-23 Nec Corp Signal discrimination unit
US4290143A (en) * 1979-04-19 1981-09-15 Cincinnati Electronics Corporation Transmission method and apparatus wherein binary data bits are converted into barker words and vice versa
US4312070A (en) * 1979-12-07 1982-01-19 Motorola, Inc. Digital encoder-decoder
US4382298A (en) * 1981-03-27 1983-05-03 General Electric Company Binary digit or bit restoration circuit
US4519068A (en) * 1983-07-11 1985-05-21 Motorola, Inc. Method and apparatus for communicating variable length messages between a primary station and remote stations of a data communications system

Also Published As

Publication number Publication date
WO1987001490A1 (en) 1987-03-12
EP0235179A1 (en) 1987-09-09
CN1013540B (en) 1991-08-14
IL79415A0 (en) 1986-10-31
AU6147886A (en) 1987-03-24
CN86105396A (en) 1987-05-13
CA1259659A (en) 1989-09-19

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