AU3128893A - A wireless communication system - Google Patents

A wireless communication system

Info

Publication number
AU3128893A
AU3128893A AU31288/93A AU3128893A AU3128893A AU 3128893 A AU3128893 A AU 3128893A AU 31288/93 A AU31288/93 A AU 31288/93A AU 3128893 A AU3128893 A AU 3128893A AU 3128893 A AU3128893 A AU 3128893A
Authority
AU
Australia
Prior art keywords
wireless communication
communication system
wireless
communication
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.)
Abandoned
Application number
AU31288/93A
Other languages
English (en)
Inventor
Saman Behtash
Toby Berger
Edward Chien
Christopher Flores
Keith Jarett
Huihung Lu
David Messerschmitt
Chun-Meng Su
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.)
Teknekron Communications Systems Inc
Original Assignee
Teknekron Communications Systems 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 US07/789,292 external-priority patent/US5258995A/en
Priority claimed from US07/789,737 external-priority patent/US5247702A/en
Priority claimed from US07/789,348 external-priority patent/US5267244A/en
Priority claimed from US07/789,736 external-priority patent/US5212808A/en
Priority claimed from US07/789,731 external-priority patent/US5259003A/en
Priority claimed from US07/790,634 external-priority patent/US5278992A/en
Application filed by Teknekron Communications Systems Inc filed Critical Teknekron Communications Systems Inc
Publication of AU3128893A publication Critical patent/AU3128893A/en
Abandoned 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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/31—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining coding for error detection or correction and efficient use of the spectrum
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
    • H03M5/145—Conversion to or from block codes or representations thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/12—Arrangements for reducing cross-talk between channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • 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
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
    • H04L25/4908—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using mBnB codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/72502—Cordless telephones with one base station connected to a single line

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
AU31288/93A 1991-11-08 1992-11-06 A wireless communication system Abandoned AU3128893A (en)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
US789348 1991-11-08
US07/789,292 US5258995A (en) 1991-11-08 1991-11-08 Wireless communication system
US07/789,737 US5247702A (en) 1991-11-08 1991-11-08 Method and an apparatus for establishing a wireless communication link between a base unit and a remote unit
US07/789,348 US5267244A (en) 1991-11-08 1991-11-08 Method and an apparatus for establishing the functional capabilities for wireless communications between a base unit and a remote unit
US07/789,736 US5212808A (en) 1991-11-08 1991-11-08 Method and an apparatus for re-establishing wireless communication between a base unit and a remote unit
US789736 1991-11-08
US07/789,731 US5259003A (en) 1991-11-08 1991-11-08 Method of encoding two digital data signals
US789731 1991-11-08
US789737 1991-11-08
US07/790,634 US5278992A (en) 1991-11-08 1991-11-08 Method and apparatus for controlling transmission power of a remote unit communicating with a base unit over a common frequency channel
US789292 1997-01-28
US790634 1997-01-29

Publications (1)

Publication Number Publication Date
AU3128893A true AU3128893A (en) 1993-06-07

Family

ID=27560295

Family Applications (1)

Application Number Title Priority Date Filing Date
AU31288/93A Abandoned AU3128893A (en) 1991-11-08 1992-11-06 A wireless communication system

Country Status (4)

Country Link
JP (5) JP3264925B2 (de)
KR (3) KR100393950B1 (de)
AU (1) AU3128893A (de)
WO (1) WO1993009493A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404376A (en) * 1993-09-09 1995-04-04 Ericsson-Ge Mobile Communications Inc. Navigation assistance for call handling in mobile telephone systems
US6088590A (en) * 1993-11-01 2000-07-11 Omnipoint Corporation Method and system for mobile controlled handoff and link maintenance in spread spectrum communication
US5619524A (en) * 1994-10-04 1997-04-08 Motorola, Inc. Method and apparatus for coherent communication reception in a spread-spectrum communication system
JP3456037B2 (ja) * 1994-12-13 2003-10-14 ソニー株式会社 デジタルコードレス電話用親機
JP4702443B2 (ja) 2008-12-17 2011-06-15 ソニー株式会社 通信システム、通信方法、通信装置、およびプログラム
JP5343753B2 (ja) * 2009-08-03 2013-11-13 株式会社リコー 液吐出検出装置およびインクジェット記録装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688210A (en) * 1971-07-16 1972-08-29 Larry W Fort Apparatus to protect a phase-locked-loop against loss of synchronizing signal
US4644560A (en) * 1982-08-13 1987-02-17 Hazeltine Corporation Intranetwork code division multiple access communication system
US4616364A (en) * 1984-06-18 1986-10-07 Itt Corporation Digital hopped frequency, time diversity system
JPH0761029B2 (ja) * 1985-06-20 1995-06-28 ソニー株式会社 送受信装置
CA1249633A (en) * 1985-12-11 1989-01-31 Hideaki Morimoto Channel switching system
US4672657A (en) * 1985-12-17 1987-06-09 Motorola, Inc. Multichannel telephone system
US4742514A (en) * 1986-03-25 1988-05-03 Motorola, Inc. Method and apparatus for controlling a TDM communication device
US4789980A (en) * 1986-08-18 1988-12-06 American Telephone & Telegraph Company, At&T Bell Laboratories Switching techniques for FDM communication systems
NL8700175A (nl) * 1987-01-26 1988-08-16 Philips Nv Werkwijze voor het door middel van codesignalen overdragen van informatie, informatie-overdrachtsysteem voor het uitvoeren van de werkwijze, alsmede een verzend- en ontvangstinrichting voor toepassing in het overdrachtsysteem.
US5007050A (en) * 1987-03-27 1991-04-09 Teletec Corporation Bidirectional digital serial interface for communication digital signals including digitized audio between microprocessor-based control and transceiver units of two-way radio communications equipment
CA1293999C (en) * 1987-08-24 1992-01-07 Osamu Ichiyoshi Earth station capable of effectively using a frequency band of asatellite
US5020094A (en) * 1987-12-23 1991-05-28 Rash Mark S Cordless telephone network
NL8803102A (nl) * 1988-12-19 1990-07-16 Philips Nv Werkwijze voor het tot stand brengen van een data-verbinding tussen een tweetal terminals alsmede een terminal die geschikt is voor deze werkwijze.
US5001703A (en) * 1989-01-23 1991-03-19 Motorola, Inc. Spectrally efficient TDM duplex communication system
US5042082A (en) * 1989-06-26 1991-08-20 Telefonaktiebolaget L. M. Ericsson Mobile assisted handoff
CA1312656C (en) * 1989-08-24 1993-01-12 Steven Messenger Wireless communications systems
US5056109A (en) * 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US5199031A (en) * 1990-08-31 1993-03-30 Telefonaktiebolaget L M Ericsson Method and system for uniquely identifying control channel time slots
US5128959A (en) * 1991-02-22 1992-07-07 Motorola, Inc. Variable bandwidth CDMA radio system
CA2066946A1 (en) * 1991-05-16 1992-11-17 George Philip Vella-Coleiro Apparatus and method for synchronizing a plurality of remote transmission and receiving stations

Also Published As

Publication number Publication date
JP3682058B2 (ja) 2005-08-10
JP2005073252A (ja) 2005-03-17
KR100394162B1 (de) 2003-08-09
WO1993009493A1 (en) 1993-05-13
JP3264925B2 (ja) 2002-03-11
JPH07509590A (ja) 1995-10-19
JP2002185999A (ja) 2002-06-28
KR100393951B1 (de) 2003-08-06
JP2002185399A (ja) 2002-06-28
JP2002186049A (ja) 2002-06-28
KR100393950B1 (de) 2003-08-06

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