TW200633309A - Method for steering smart antenna beams for a WLAN using signal and link quality metrics - Google Patents

Method for steering smart antenna beams for a WLAN using signal and link quality metrics

Info

Publication number
TW200633309A
TW200633309A TW094135764A TW94135764A TW200633309A TW 200633309 A TW200633309 A TW 200633309A TW 094135764 A TW094135764 A TW 094135764A TW 94135764 A TW94135764 A TW 94135764A TW 200633309 A TW200633309 A TW 200633309A
Authority
TW
Taiwan
Prior art keywords
quality metrics
link quality
signal
smart antenna
wlan
Prior art date
Application number
TW094135764A
Other languages
English (en)
Inventor
In-Hyok Cha
Zheng Zhao
Thomas Eric Gorsuch
Ross L Lintelman
Original Assignee
Interdigital Tech 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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200633309A publication Critical patent/TW200633309A/zh

Links

Classifications

    • 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
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • 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
    • H04B7/0837—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 pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
TW094135764A 2004-03-17 2005-03-16 Method for steering smart antenna beams for a WLAN using signal and link quality metrics TW200633309A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55390204P 2004-03-17 2004-03-17
US11/080,038 US7236759B2 (en) 2004-03-17 2005-03-15 Method for steering smart antenna beams for a WLAN using signal and link quality metrics

Publications (1)

Publication Number Publication Date
TW200633309A true TW200633309A (en) 2006-09-16

Family

ID=34994290

Family Applications (3)

Application Number Title Priority Date Filing Date
TW094108097A TWI278143B (en) 2004-03-17 2005-03-16 Method for steering smart antenna beams for a WLAN using signal and link quality metrics
TW094135764A TW200633309A (en) 2004-03-17 2005-03-16 Method for steering smart antenna beams for a WLAN using signal and link quality metrics
TW094135760A TW200633308A (en) 2004-03-17 2005-03-16 Method for steering smart antenna for a WLAN using a self-monitored re-scan

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW094108097A TWI278143B (en) 2004-03-17 2005-03-16 Method for steering smart antenna beams for a WLAN using signal and link quality metrics

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW094135760A TW200633308A (en) 2004-03-17 2005-03-16 Method for steering smart antenna for a WLAN using a self-monitored re-scan

Country Status (6)

Country Link
US (1) US7236759B2 (zh)
EP (1) EP1730854A4 (zh)
JP (1) JP2007529962A (zh)
KR (1) KR100790929B1 (zh)
TW (3) TWI278143B (zh)
WO (1) WO2005089358A2 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI565334B (zh) * 2014-04-28 2017-01-01 英特爾智財公司 測量無線區域網路錯誤率之系統和方法

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7428428B2 (en) * 2004-04-28 2008-09-23 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Systems and methods for wireless network range extension
CN105306119B (zh) * 2004-09-10 2019-09-27 美商内数位科技公司 在无线通信中交换天线能力信息的第一站台及方法
US7376398B2 (en) * 2004-09-10 2008-05-20 Interdigital Technology Corporation Implementing a smart antenna in wireless local area network
US8504110B2 (en) 2004-09-10 2013-08-06 Interdigital Technology Corporation Method and apparatus for transferring smart antenna capability information
US7680518B2 (en) * 2006-03-31 2010-03-16 Interdigital Technology Corporation Deviation based antenna control algorithm for an access point
US8325686B2 (en) 2006-04-20 2012-12-04 Samsung Electronics Co., Ltd. Method and system for channel time allocation and access control in wireless network for high-definition video transmission
US7978134B2 (en) * 2007-08-13 2011-07-12 Samsung Electronics Co., Ltd. System and method for efficient transmit and receive beamforming protocol with heterogeneous antenna configuration
US8767631B2 (en) 2007-09-25 2014-07-01 Samsung Electronics Co., Ltd. Method and system for alternate wireless channel selection for uplink and downlink data communication
US8085721B2 (en) * 2008-03-10 2011-12-27 Elektrobit Wireless Communications Oy Adaptive transmission method and a base station using the method
US8478204B2 (en) * 2008-07-14 2013-07-02 Samsung Electronics Co., Ltd. System and method for antenna training of beamforming vectors having reuse of directional information
CN101714879B (zh) * 2008-10-08 2013-03-20 扬智科技股份有限公司 智能型天线全频扫描以及调整频道参数的方法
GB2479856B (en) * 2010-02-22 2012-10-31 Deltenna Ltd Throughput measurement
US9166667B2 (en) * 2011-10-12 2015-10-20 Honeywell International Inc. Antenna selection diversity scheme for zigbee or other wireless devices and related apparatus and method
CN104283590B (zh) 2012-01-09 2017-11-17 光宝电子(广州)有限公司 天线阵列控制方法与使用该方法的通信装置
CN103199905B (zh) * 2012-01-09 2015-10-14 光宝电子(广州)有限公司 天线阵列控制方法与使用该方法的通信装置
KR102166093B1 (ko) 2014-02-17 2020-10-15 삼성전자주식회사 무선통신시스템에서 액세스 포인트 연결장치 및 방법
US9769594B2 (en) * 2015-01-30 2017-09-19 Cassia Networks Inc. Methods, devices and systems for increasing wireless communication range
TWI645735B (zh) 2015-12-04 2018-12-21 財團法人工業技術研究院 適用於毫米波通訊系統之網路登錄方法、及使用該方法之用戶設備與基站
WO2018219435A1 (en) * 2017-05-30 2018-12-06 Telefonaktiebolaget Lm Ericsson (Publ) Beam selection for a radio transceiver device
TWI666891B (zh) * 2017-06-06 2019-07-21 財團法人工業技術研究院 用戶設備及其操作方法，網路裝置及其操作方法
US11031688B2 (en) * 2017-11-03 2021-06-08 Dell Products, Lp System and method for operating an antenna adaptation controller module
EP3734934A4 (en) * 2017-12-29 2020-12-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. BEAM SELECTION PROCESS, TERMINAL DEVICE, AND COMPUTER STORAGE MEDIA
BR112020014392A2 (pt) * 2018-01-22 2020-12-01 Nokia Technologies Oy gerenciamento de feixe de camada superior
KR101971682B1 (ko) 2018-10-25 2019-08-13 엘아이지넥스원 주식회사 무선 단말기의 수신 안테나 선택 방법

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2196527B1 (zh) * 1972-08-16 1977-01-14 Materiel Telephonique
GB9019489D0 (en) * 1990-09-06 1990-10-24 Ncr Co Antenna control for a wireless local area network station
DE4341278B4 (de) * 1993-12-03 2004-05-06 Robert Bosch Gmbh Grenzstromsensor zur Bestimmung des Lambdawertes in Gasgemischen
GB9525110D0 (en) * 1995-12-08 1996-02-07 Northern Telecom Ltd An antenna assembly
US5905473A (en) * 1997-03-31 1999-05-18 Resound Corporation Adjustable array antenna
US6108374A (en) * 1997-08-25 2000-08-22 Lucent Technologies, Inc. System and method for measuring channel quality information
US6009124A (en) * 1997-09-22 1999-12-28 Intel Corporation High data rate communications network employing an adaptive sectored antenna
US6563858B1 (en) 1998-01-16 2003-05-13 Intersil Americas Inc. Method of performing antenna diversity in spread spectrum in wireless local area network
US6792290B2 (en) * 1998-09-21 2004-09-14 Ipr Licensing, Inc. Method and apparatus for performing directional re-scan of an adaptive antenna
US6381462B1 (en) * 1999-03-16 2002-04-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and communications system with dynamically adaptable subscriber units
EP1089481B1 (en) * 1999-09-17 2012-02-22 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Method and apparatus for estimating residual noise in a signal and mobile telephone utilizing this method
GB9923069D0 (en) * 1999-09-29 1999-12-01 Nokia Telecommunications Oy Estimating an indicator for a communication path
US6542538B2 (en) * 2000-01-10 2003-04-01 Qualcomm Incorporated Method and apparatus for testing wireless communication channels
ATE418845T1 (de) * 2000-02-09 2009-01-15 Texas Instruments Inc Gerät zur drahtlosen kommunikation
JP2002353867A (ja) * 2001-05-23 2002-12-06 Nec Corp 可変指向性アンテナを備えた情報端末装置
KR100438155B1 (ko) * 2001-08-21 2004-07-01 (주)지에스텔레텍 무선랜 네트워크 시스템 및 그 운용방법
EP1488616A4 (en) * 2002-03-08 2006-04-12 Ipr Licensing Inc ANTENNA MATCHING METHOD FOR HIGH MOBILITY
AU2003228847A1 (en) * 2002-05-02 2003-11-17 Ipr Licensing, Inc. Adaptive pointing for directional antennas
US20030228857A1 (en) * 2002-06-06 2003-12-11 Hitachi, Ltd. Optimum scan for fixed-wireless smart antennas
US7212499B2 (en) * 2002-09-30 2007-05-01 Ipr Licensing, Inc. Method and apparatus for antenna steering for WLAN
CN100512045C (zh) * 2003-03-12 2009-07-08 日本电气株式会社 无线终端设备
KR100517723B1 (ko) * 2003-05-12 2005-09-27 주식회사 팬택앤큐리텔 무선통신단말기에서 멀티미디어 태스크의 품질을 보장하는태스크 스케줄링 방법
US7242955B2 (en) * 2003-12-18 2007-07-10 Motorola, Inc. Method and apparatus for optimal multiple beam transmit weightings for beam to beam handoff in a switched beam system
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
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
US7312750B2 (en) * 2004-03-19 2007-12-25 Comware, Inc. Adaptive beam-forming system using hierarchical weight banks for antenna array in wireless communication system
US8280443B2 (en) * 2004-07-30 2012-10-02 Hong Kong Applied Science And Technology Research Institute Co., Ltd. WLAN access point with extended coverage area

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI565334B (zh) * 2014-04-28 2017-01-01 英特爾智財公司 測量無線區域網路錯誤率之系統和方法

Also Published As

Publication number Publication date
TW200633308A (en) 2006-09-16
TW200534532A (en) 2005-10-16
US20050221837A1 (en) 2005-10-06
WO2005089358A3 (en) 2007-01-04
KR100790929B1 (ko) 2008-01-03
EP1730854A4 (en) 2007-09-12
JP2007529962A (ja) 2007-10-25
WO2005089358A2 (en) 2005-09-29
US7236759B2 (en) 2007-06-26
KR20060123656A (ko) 2006-12-01
TWI278143B (en) 2007-04-01
EP1730854A2 (en) 2006-12-13

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