DE69117869D1 - Sende-Empfänger zur Erweiterung eines CSMA/CD-Netzwerkes für drahtlose Kommunikation - Google Patents

Sende-Empfänger zur Erweiterung eines CSMA/CD-Netzwerkes für drahtlose Kommunikation

Info

Publication number
DE69117869D1
DE69117869D1 DE69117869T DE69117869T DE69117869D1 DE 69117869 D1 DE69117869 D1 DE 69117869D1 DE 69117869 T DE69117869 T DE 69117869T DE 69117869 T DE69117869 T DE 69117869T DE 69117869 D1 DE69117869 D1 DE 69117869D1
Authority
DE
Germany
Prior art keywords
csma
transceiver
expanding
network
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.)
Expired - Lifetime
Application number
DE69117869T
Other languages
English (en)
Other versions
DE69117869T2 (de
Inventor
Peter Dirk Hortensius
Haaken B Winbom
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69117869D1 publication Critical patent/DE69117869D1/de
Publication of DE69117869T2 publication Critical patent/DE69117869T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04L1/24—Testing correct operation
    • H04L1/242—Testing correct operation by comparing a transmitted test signal with a locally generated replica
    • H04L1/243—Testing correct operation by comparing a transmitted test signal with a locally generated replica at the transmitter, using a loop-back
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/14—Arrangements for detecting or preventing errors in the information received by using return channel in which the signals are sent back to the transmitter to be checked ; echo systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/407—Bus networks with decentralised control
    • H04L12/413—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection [CSMA-CD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69117869T 1990-10-29 1991-10-07 Sende-Empfänger zur Erweiterung eines CSMA/CD-Netzwerkes für drahtlose Kommunikation Expired - Lifetime DE69117869T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/605,052 US5917629A (en) 1990-10-29 1990-10-29 Transceiver for extending a CSMA/CD network for wireless communication

Publications (2)

Publication Number Publication Date
DE69117869D1 true DE69117869D1 (de) 1996-04-18
DE69117869T2 DE69117869T2 (de) 1996-10-02

Family

ID=24422073

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69117869T Expired - Lifetime DE69117869T2 (de) 1990-10-29 1991-10-07 Sende-Empfänger zur Erweiterung eines CSMA/CD-Netzwerkes für drahtlose Kommunikation

Country Status (4)

Country Link
US (1) US5917629A (de)
EP (1) EP0483548B1 (de)
JP (1) JPH07123253B2 (de)
DE (1) DE69117869T2 (de)

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US7103656B2 (en) * 2001-02-20 2006-09-05 Research In Motion Limited System and method for administrating a wireless communication network
US7295836B2 (en) * 2001-03-09 2007-11-13 Research In Motion Limited Advanced voice and data operations in a mobile data communication device
US20020132609A1 (en) * 2001-03-14 2002-09-19 Lewis Allan D. Scalable and secure messaging system for a wireless network
US6889009B2 (en) * 2001-04-16 2005-05-03 Lightpointe Communications, Inc. Integrated environmental control and management system for free-space optical communication systems
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Also Published As

Publication number Publication date
DE69117869T2 (de) 1996-10-02
US5917629A (en) 1999-06-29
EP0483548B1 (de) 1996-03-13
JPH06177895A (ja) 1994-06-24
EP0483548A1 (de) 1992-05-06
JPH07123253B2 (ja) 1995-12-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: DUSCHER, R., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 7