DE69126489T2 - Antennensteuerung für ein drahtloses lokales Netzwerk - Google Patents

Antennensteuerung für ein drahtloses lokales Netzwerk

Info

Publication number
DE69126489T2
DE69126489T2 DE69126489T DE69126489T DE69126489T2 DE 69126489 T2 DE69126489 T2 DE 69126489T2 DE 69126489 T DE69126489 T DE 69126489T DE 69126489 T DE69126489 T DE 69126489T DE 69126489 T2 DE69126489 T2 DE 69126489T2
Authority
DE
Germany
Prior art keywords
time slot
signal
antenna
transmission
line
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
DE69126489T
Other languages
German (de)
English (en)
Other versions
DE69126489D1 (de
Inventor
Adriaan Kamerman
Driest Hans Van
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of DE69126489D1 publication Critical patent/DE69126489D1/de
Publication of DE69126489T2 publication Critical patent/DE69126489T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
    • H04W74/085—Random access procedures, e.g. with 4-step access with collision treatment collision avoidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
DE69126489T 1990-09-06 1991-09-05 Antennensteuerung für ein drahtloses lokales Netzwerk Expired - Lifetime DE69126489T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909019489A GB9019489D0 (en) 1990-09-06 1990-09-06 Antenna control for a wireless local area network station

Publications (2)

Publication Number Publication Date
DE69126489D1 DE69126489D1 (de) 1997-07-17
DE69126489T2 true DE69126489T2 (de) 1998-01-02

Family

ID=10681781

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69126489T Expired - Lifetime DE69126489T2 (de) 1990-09-06 1991-09-05 Antennensteuerung für ein drahtloses lokales Netzwerk

Country Status (4)

Country Link
US (1) US5164942A (OSRAM)
EP (1) EP0475681B1 (OSRAM)
DE (1) DE69126489T2 (OSRAM)
GB (1) GB9019489D0 (OSRAM)

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US7289828B2 (en) * 2004-03-17 2007-10-30 Interdigital Technology Corporation Method for steering a smart antenna for a WLAN using a periodic re-scan
US7501953B2 (en) * 2004-04-13 2009-03-10 Impinj Inc RFID readers transmitting preambles denoting communication parameters and RFID tags interpreting the same and methods
US7973643B2 (en) 2004-04-13 2011-07-05 Impinj, Inc. RFID readers transmitting preambles denoting data rate and methods
US7917088B2 (en) 2004-04-13 2011-03-29 Impinj, Inc. Adaptable detection threshold for RFID tags and chips
US7660598B2 (en) * 2004-12-21 2010-02-09 Qualcomm, Incorporated Transmit power reduction for a wireless device with multiple transmit signal paths
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US8391785B2 (en) * 2005-04-29 2013-03-05 Impinj, Inc. Interference rejection in RFID tags
US7747921B2 (en) * 2005-08-05 2010-06-29 Sony Corporation Systems and methods for transmitting data over lossy networks
KR100657333B1 (ko) * 2005-08-27 2006-12-14 삼성전자주식회사 무선채널 품질 측정방법 및 그 측정장치
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Also Published As

Publication number Publication date
EP0475681A2 (en) 1992-03-18
EP0475681B1 (en) 1997-06-11
EP0475681A3 (OSRAM) 1994-08-03
US5164942A (en) 1992-11-17
GB9019489D0 (en) 1990-10-24
DE69126489D1 (de) 1997-07-17

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: LUCENT TECHNOLOGIES INC., MURRAY HILL, N.J., US

8364 No opposition during term of opposition