SE9702370L - Balanserad diversitet - Google Patents

Balanserad diversitet

Info

Publication number
SE9702370L
SE9702370L SE9702370A SE9702370A SE9702370L SE 9702370 L SE9702370 L SE 9702370L SE 9702370 A SE9702370 A SE 9702370A SE 9702370 A SE9702370 A SE 9702370A SE 9702370 L SE9702370 L SE 9702370L
Authority
SE
Sweden
Prior art keywords
antenna
antennas
signal strength
csb
aia
Prior art date
Application number
SE9702370A
Other languages
English (en)
Swedish (sv)
Other versions
SE9702370D0 (sv
Inventor
Johan Skoeld
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9702370A priority Critical patent/SE9702370L/
Publication of SE9702370D0 publication Critical patent/SE9702370D0/xx
Priority to EP98928696A priority patent/EP0986864A2/en
Priority to CA002294905A priority patent/CA2294905C/en
Priority to JP50425099A priority patent/JP2002503424A/ja
Priority to PCT/SE1998/000938 priority patent/WO1998058462A2/en
Priority to AU80434/98A priority patent/AU758343B2/en
Priority to KR1019997011797A priority patent/KR20010013780A/ko
Priority to CN98805887A priority patent/CN1115799C/zh
Priority to TW087108235A priority patent/TW398160B/zh
Priority to US09/099,323 priority patent/US6574461B1/en
Publication of SE9702370L publication Critical patent/SE9702370L/

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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • 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
    • H04B7/0817—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 multiple receivers and antenna path selection
    • H04B7/082—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 multiple receivers and antenna path selection selecting best antenna path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
SE9702370A 1997-06-19 1997-06-19 Balanserad diversitet SE9702370L (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE9702370A SE9702370L (sv) 1997-06-19 1997-06-19 Balanserad diversitet
CN98805887A CN1115799C (zh) 1997-06-19 1998-05-19 平衡分集
PCT/SE1998/000938 WO1998058462A2 (en) 1997-06-19 1998-05-19 Balanced diversity
CA002294905A CA2294905C (en) 1997-06-19 1998-05-19 Balanced diversity
JP50425099A JP2002503424A (ja) 1997-06-19 1998-05-19 バランスダイバシティ
EP98928696A EP0986864A2 (en) 1997-06-19 1998-05-19 Balanced diversity
AU80434/98A AU758343B2 (en) 1997-06-19 1998-05-19 Balanced diversity
KR1019997011797A KR20010013780A (ko) 1997-06-19 1998-05-19 평형 다이버시티
TW087108235A TW398160B (en) 1997-06-19 1998-05-27 Balanced diversity
US09/099,323 US6574461B1 (en) 1997-06-19 1998-06-18 Balanced diversity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9702370A SE9702370L (sv) 1997-06-19 1997-06-19 Balanserad diversitet

Publications (2)

Publication Number Publication Date
SE9702370D0 SE9702370D0 (sv) 1997-06-19
SE9702370L true SE9702370L (sv) 1998-12-20

Family

ID=20407454

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9702370A SE9702370L (sv) 1997-06-19 1997-06-19 Balanserad diversitet

Country Status (10)

Country Link
US (1) US6574461B1 ( )
EP (1) EP0986864A2 ( )
JP (1) JP2002503424A ( )
KR (1) KR20010013780A ( )
CN (1) CN1115799C ( )
AU (1) AU758343B2 ( )
CA (1) CA2294905C ( )
SE (1) SE9702370L ( )
TW (1) TW398160B ( )
WO (1) WO1998058462A2 ( )

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9702370L (sv) 1997-06-19 1998-12-20 Ericsson Telefon Ab L M Balanserad diversitet
US7120431B1 (en) * 1999-02-12 2006-10-10 Lucent Technologies Inc. System and method for adjusting antenna radiation in a wireless network
GB9923511D0 (en) * 1999-10-05 1999-12-08 Koninkl Philips Electronics Nv Personal communications apparatus
JP3678944B2 (ja) * 1999-07-02 2005-08-03 松下電器産業株式会社 無線通信装置および無線通信方法
US7024168B1 (en) 1999-07-07 2006-04-04 Telefonaktiebolaget L M Ericsson (Publ) Controlled antenna diversity
FI114592B (fi) * 2000-06-30 2004-11-15 Nokia Corp Kytkin- ja liitinjärjestely ulkoisten ja sisäisten antennien kytkemiseksi esimerkiksi laajennuskorttiin
US6917820B2 (en) * 2001-01-26 2005-07-12 Stanford University Method and apparatus for selection and use of optimal antennas in wireless systems
DE10109359C2 (de) * 2001-02-27 2003-01-16 Bosch Gmbh Robert Diversity-Antennenanordnung
US20020133598A1 (en) * 2001-03-16 2002-09-19 Strahm Frederick William Network communication
US7031679B2 (en) 2002-03-27 2006-04-18 Arraycomm, Llc Estimating power on spatial channels
TWI288537B (en) * 2003-06-20 2007-10-11 Realtek Semiconductor Corp Automatic gain control and antenna diversity method of wireless communication system
US7595768B2 (en) * 2003-06-27 2009-09-29 Intel Corporation Switching schemes for multiple antennas
JP2005175670A (ja) * 2003-12-09 2005-06-30 Nec Corp Ｔｖ放送受信機能つき携帯電話機及びｔｖ放送受信機能つき携帯電話機のシステム及びｔｖ放送受信機能つき携帯電話機のｔｖ録画設定方法
US20080285686A1 (en) * 2005-07-29 2008-11-20 Norman Beaulieu Antenna Selection Apparatus and Methods
US7590399B2 (en) * 2005-08-11 2009-09-15 Delphi Technologies, Inc. Technique for reducing multipath interference in an FM receiver
WO2007141878A1 (ja) * 2006-06-09 2007-12-13 Panasonic Corporation ダイバーシチ受信装置及びダイバーシチ受信方法
WO2008117127A1 (en) * 2007-03-26 2008-10-02 Freescale Semiconductor, Inc. A method and apparatus to receive location information in a diversity enabled receiver
US8908667B1 (en) * 2007-09-07 2014-12-09 Marvell International Ltd. Method and apparatus for antenna path selection for multiple wireless communication components
EP2207273B1 (en) * 2009-01-09 2016-01-06 AKG Acoustics GmbH Method and device for receiving digital audio data
CN101778444B (zh) * 2009-01-12 2013-04-24 瑞昱半导体股份有限公司 无线网络中传输路径选择装置与方法
JP5344978B2 (ja) * 2009-04-22 2013-11-20 パナソニック株式会社 指向性パターン決定方法
US8559325B2 (en) * 2009-09-15 2013-10-15 Qualcomm Incorporated Systems and methods for over the air load indicator for wireless scheduling
US8868091B2 (en) * 2010-01-18 2014-10-21 Qualcomm Incorporated Methods and apparatus for facilitating inter-cell interference coordination via over the air load indicator and relative narrowband transmit power
US8953474B2 (en) * 2012-04-09 2015-02-10 Blackberry Limited Optimized uplink performance via antenna selection
US11611896B2 (en) * 2021-03-30 2023-03-21 Qualcomm Incorporated Measurement techniques for reporting beams

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1276790A (en) * 1970-03-20 1972-06-07 Vaisala Oy Improvements in devices by which antennae are automatically selected from arrays thereof and connected to radio receivers
JPS54143009A (en) * 1978-04-28 1979-11-07 Kokusai Denshin Denwa Co Ltd Space diversity system for tdma communication system
US4259742A (en) * 1978-11-06 1981-03-31 Burns Richard C Electronic switching system for reducing noise transients
US4499606A (en) * 1982-12-27 1985-02-12 Sri International Reception enhancement in mobile FM broadcast receivers and the like
JPS59181732A (ja) * 1983-03-31 1984-10-16 Toshiba Corp 携帯用無線機におけるダイバ−シチ−受信方式
US4742568A (en) * 1985-06-10 1988-05-03 Nec Corporation Receiver for antenna switching diversity systems
JPS63252024A (ja) * 1987-04-08 1988-10-19 Pioneer Electronic Corp 空間ダイバ−シチ受信装置
CA1332450C (en) * 1987-06-23 1994-10-11 Shousei Yoshida Carrier-to-noise detector for digital transmission systems
JP2708777B2 (ja) * 1988-05-19 1998-02-04 三洋電機株式会社 ダイバーシティ受信装置
CA2021232C (en) * 1989-07-17 1993-09-21 Hiroyasu Muto Diversity receiving system for use in digital radio communication with means for selecting branch by estimating propagation path property
SE465991B (sv) * 1990-04-10 1991-11-25 Ericsson Telefon Ab L M Foerfarande foer att i en mottagare vaelja den laempligaste av tvaa eller flera antenner
US5119501A (en) * 1990-04-19 1992-06-02 Ericsson Ge Mobile Communications, Inc. Adaptive diversity equipment arrangement for cellular mobile telephone systems
EP0454585B1 (en) 1990-04-27 1994-08-03 Nippon Telegraph And Telephone Corporation An antenna selection diversity reception system
GB9102935D0 (en) * 1991-02-12 1991-03-27 Shaye Communications Ltd Improvements in and relating to antennae
US5280637A (en) 1991-09-18 1994-01-18 Motorola, Inc. Phase combining method and apparatus for use in a diversity receiver
DE59309053D1 (de) * 1992-06-12 1998-11-19 Siemens Ag Funkgerät
EP0593822B1 (en) 1992-10-19 1996-11-20 Nortel Networks Corporation Base station antenna arrangement
FI934651A (fi) * 1993-10-21 1995-04-22 Nokia Telecommunications Oy Diversiteettivastaanotin
US5740526A (en) * 1994-06-01 1998-04-14 Bonta; Jeffrey D. Method and apparatus for selecting two antennas from which to receive a communication signal
JPH0884104A (ja) * 1994-09-09 1996-03-26 Toshiba Corp 無線通信装置
FR2732490B1 (fr) * 1995-03-28 1997-04-25 Thomson Csf Procede de reception multicapteur d'une station de base d'un reseau de communication echangeant des donnees avec des mobiles, et dispositif pour sa mise en oeuvre
US5603107A (en) * 1995-06-09 1997-02-11 Ford Motor Company Switching system for diversity antenna FM receiver
GB2308530B (en) * 1995-12-21 2000-03-22 Nokia Mobile Phones Ltd Antenna selection control circuitry
US5692019A (en) * 1996-06-17 1997-11-25 Motorola, Inc. Communication device having antenna switch diversity, and method therefor
SE9702370L (sv) 1997-06-19 1998-12-20 Ericsson Telefon Ab L M Balanserad diversitet

Also Published As

Publication number Publication date
WO1998058462A3 (en) 1999-03-11
SE9702370D0 (sv) 1997-06-19
TW398160B (en) 2000-07-11
CN1115799C (zh) 2003-07-23
KR20010013780A (ko) 2001-02-26
CA2294905A1 (en) 1998-12-23
EP0986864A2 (en) 2000-03-22
AU8043498A (en) 1999-01-04
WO1998058462A2 (en) 1998-12-23
AU758343B2 (en) 2003-03-20
CN1259245A (zh) 2000-07-05
JP2002503424A (ja) 2002-01-29
US6574461B1 (en) 2003-06-03
CA2294905C (en) 2006-02-21

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