DE69126489D1 - Antennensteuerung für ein drahtloses lokales Netzwerk - Google Patents

Antennensteuerung für ein drahtloses lokales Netzwerk

Info

Publication number
DE69126489D1
DE69126489D1 DE69126489T DE69126489T DE69126489D1 DE 69126489 D1 DE69126489 D1 DE 69126489D1 DE 69126489 T DE69126489 T DE 69126489T DE 69126489 T DE69126489 T DE 69126489T DE 69126489 D1 DE69126489 D1 DE 69126489D1
Authority
DE
Germany
Prior art keywords
area network
local area
wireless local
antenna control
antenna
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
English (en)
Other versions
DE69126489T2 (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
NCR 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 NCR Corp filed Critical NCR Corp
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, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
    • H04W74/0841—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure with collision treatment
    • H04W74/085—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure 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
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 true DE69126489D1 (de) 1997-07-17
DE69126489T2 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 (de)
EP (1) EP0475681B1 (de)
DE (1) DE69126489T2 (de)
GB (1) GB9019489D0 (de)

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US7181182B2 (en) * 2004-03-17 2007-02-20 Interdigital Technology Corporation Method for steering a smart antenna for a WLAN using a self-monitored re-scan
US7236759B2 (en) * 2004-03-17 2007-06-26 Interdigital Technology Corporation Method for steering smart antenna beams for a WLAN using signal and link quality metrics
US7917088B2 (en) 2004-04-13 2011-03-29 Impinj, Inc. Adaptable detection threshold for RFID tags and chips
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
US7660598B2 (en) * 2004-12-21 2010-02-09 Qualcomm, Incorporated Transmit power reduction for a wireless device with multiple transmit signal paths
US20060209876A1 (en) * 2005-02-10 2006-09-21 Interdigital Technology Corporation Access point using directional antennas for uplink transmission in a WLAN
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
JP2009523360A (ja) 2006-01-11 2009-06-18 トムソン ライセンシング 無線ネットワークでチャネル切り替えを制御する装置及び方法
US8374174B2 (en) * 2008-03-05 2013-02-12 Motorola Solutions, Inc. Method and apparatus for operation of a communication device
US9322904B2 (en) 2011-06-15 2016-04-26 Keyssa, Inc. Proximity sensing using EHF signals
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US9191263B2 (en) * 2008-12-23 2015-11-17 Keyssa, Inc. Contactless replacement for cabled standards-based interfaces
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US8811526B2 (en) 2011-05-31 2014-08-19 Keyssa, Inc. Delta modulated low power EHF communication link
TWI562555B (en) 2011-10-21 2016-12-11 Keyssa Inc Contactless signal splicing
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CN106330269B (zh) 2012-09-14 2019-01-01 凯萨股份有限公司 具有虚拟磁滞的无线连接
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Also Published As

Publication number Publication date
EP0475681A2 (de) 1992-03-18
US5164942A (en) 1992-11-17
DE69126489T2 (de) 1998-01-02
GB9019489D0 (en) 1990-10-24
EP0475681B1 (de) 1997-06-11
EP0475681A3 (de) 1994-08-03

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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