FI104300B1 - Adaptiivinen radiojärjestelmä - Google Patents

Adaptiivinen radiojärjestelmä

Info

Publication number
FI104300B1
FI104300B1 FI973478A FI973478A FI104300B1 FI 104300 B1 FI104300 B1 FI 104300B1 FI 973478 A FI973478 A FI 973478A FI 973478 A FI973478 A FI 973478A FI 104300 B1 FI104300 B1 FI 104300B1
Authority
FI
Finland
Prior art keywords
radio system
adaptive radio
adaptive
radio
Prior art date
Application number
FI973478A
Other languages
English (en)
Swedish (sv)
Other versions
FI104300B (fi
FI973478A (fi
FI973478A0 (fi
Inventor
Matti Kiiski
Ilkka Keskitalo
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of FI973478A0 publication Critical patent/FI973478A0/fi
Priority to FI973478A priority Critical patent/FI104300B/fi
Priority to PCT/FI1998/000643 priority patent/WO1999010993A2/en
Priority to JP2000556561A priority patent/JP2002519909A/ja
Priority to CN98808359.0A priority patent/CN1267411A/zh
Priority to EP98940279A priority patent/EP1021869A2/en
Priority to AU88647/98A priority patent/AU744467B2/en
Publication of FI973478A publication Critical patent/FI973478A/fi
Application granted granted Critical
Publication of FI104300B1 publication Critical patent/FI104300B1/fi
Publication of FI104300B publication Critical patent/FI104300B/fi
Priority to US09/506,857 priority patent/US6430421B1/en
Priority to NO20000840A priority patent/NO20000840D0/no

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
FI973478A 1997-08-22 1997-08-22 Adaptiivinen radiojärjestelmä FI104300B (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI973478A FI104300B (fi) 1997-08-22 1997-08-22 Adaptiivinen radiojärjestelmä
EP98940279A EP1021869A2 (en) 1997-08-22 1998-08-21 Adaptive radio system
JP2000556561A JP2002519909A (ja) 1997-08-22 1998-08-21 適応無線システム
CN98808359.0A CN1267411A (zh) 1997-08-22 1998-08-21 自适应无线电系统
PCT/FI1998/000643 WO1999010993A2 (en) 1997-08-22 1998-08-21 Adaptive radio system
AU88647/98A AU744467B2 (en) 1997-08-22 1998-08-21 Adaptive radio system
US09/506,857 US6430421B1 (en) 1997-08-22 2000-02-17 Adaptive radio system
NO20000840A NO20000840D0 (no) 1997-08-22 2000-02-21 Adaptivt radiosystem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI973478A FI104300B (fi) 1997-08-22 1997-08-22 Adaptiivinen radiojärjestelmä
FI973478 1997-08-22

Publications (4)

Publication Number Publication Date
FI973478A0 FI973478A0 (fi) 1997-08-22
FI973478A FI973478A (fi) 1999-02-23
FI104300B1 true FI104300B1 (fi) 1999-12-15
FI104300B FI104300B (fi) 1999-12-15

Family

ID=8549410

Family Applications (1)

Application Number Title Priority Date Filing Date
FI973478A FI104300B (fi) 1997-08-22 1997-08-22 Adaptiivinen radiojärjestelmä

Country Status (8)

Country Link
US (1) US6430421B1 (fi)
EP (1) EP1021869A2 (fi)
JP (1) JP2002519909A (fi)
CN (1) CN1267411A (fi)
AU (1) AU744467B2 (fi)
FI (1) FI104300B (fi)
NO (1) NO20000840D0 (fi)
WO (1) WO1999010993A2 (fi)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3031346B2 (ja) * 1998-08-19 2000-04-10 日本電気株式会社 Ｃｄｍａ基地局送信装置およびｃｄｍａ基地局送信装置におけるシリアル信号送信方法
EP1111812A1 (en) * 1999-12-20 2001-06-27 Nortel Matra Cellular Omni transmit and sectored receive cellular telecommunications network and method of operating the same
GB0016008D0 (en) * 2000-06-29 2000-08-23 Nokia Networks Oy Capacity changes in transceiver apparatus
US7162273B1 (en) * 2000-11-10 2007-01-09 Airgain, Inc. Dynamically optimized smart antenna system
US20020077154A1 (en) * 2000-12-19 2002-06-20 Judson Bruce A. Base station antenna sharing
US7187949B2 (en) * 2001-01-19 2007-03-06 The Directv Group, Inc. Multiple basestation communication system having adaptive antennas
GB0204108D0 (en) * 2002-02-21 2002-04-10 Analog Devices Inc 3G radio
US7646744B2 (en) 2003-04-07 2010-01-12 Shaolin Li Method of operating multi-antenna wireless data processing system
US8014374B2 (en) 2003-04-07 2011-09-06 Bellow Bellows Llc System and method for achieving timing compatibility with multi-antenna wireless data protocols
US7389096B2 (en) 2003-04-07 2008-06-17 Bellow Bellows Llc Monitoring system using multi-antenna transceivers
US7933255B2 (en) 2003-04-07 2011-04-26 Bellow Bellows Llc Multi-antenna wireless data processing system
US7512083B2 (en) 2003-04-07 2009-03-31 Shaolin Li Single chip multi-antenna wireless data processor
US20050227748A1 (en) * 2004-04-13 2005-10-13 Airgain, Inc. Direction-agile antenna controller
US7274328B2 (en) * 2004-08-31 2007-09-25 Raytheon Company Transmitting and receiving radio frequency signals using an active electronically scanned array
US8577296B2 (en) * 2008-08-29 2013-11-05 Empire Technology Development, Llc Weighting factor adjustment in adaptive antenna arrays
TWI415407B (zh) * 2010-03-10 2013-11-11 Univ Nat Chiao Tung Beamforming circuit and communication system
KR101852894B1 (ko) * 2014-02-17 2018-04-27 후아웨이 디바이스 (둥관) 컴퍼니 리미티드 안테나 스위칭 시스템 및 방법
EP3468062A1 (en) 2017-10-05 2019-04-10 Nokia Technologies Oy Heterogeneously equipped multi antenna system and method of operating such system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1230284B (it) * 1989-06-15 1991-10-18 Italtel Spa Procedimento e dispositivo per la ricezione di segnali in sistemi radiomobili digitali.
JPH03155228A (ja) * 1989-11-14 1991-07-03 Toshiba Corp ダイバーシティ受信装置
GB2271246B (en) * 1992-10-03 1997-02-12 Motorola Ltd Sectorized cellular radio base station antenna
GB2281176B (en) * 1993-08-12 1998-04-08 Northern Telecom Ltd Base station antenna arrangement
EP0647979B1 (en) * 1993-08-12 2002-10-23 Nortel Networks Limited Base station antenna arrangement
GB2294609B (en) * 1994-10-26 1999-01-27 Northern Telecom Ltd A base station arrangement
JPH08274687A (ja) 1995-03-31 1996-10-18 Matsushita Electric Ind Co Ltd Ｃｄｍａ無線伝送装置およびｃｄｍａ無線伝送システム
EP0741466A3 (en) * 1995-05-03 1996-12-18 Hughes Aircraft Co Method and device for adaptive antenna selection in a mobile radio communication system
US5854986A (en) * 1995-05-19 1998-12-29 Northern Telecom Limited Cellular communication system having device coupling distribution of antennas to plurality of transceivers
JPH09186643A (ja) * 1995-12-28 1997-07-15 Kyocera Corp 無線基地局

Also Published As

Publication number Publication date
EP1021869A2 (en) 2000-07-26
NO20000840L (no) 2000-02-21
JP2002519909A (ja) 2002-07-02
CN1267411A (zh) 2000-09-20
WO1999010993A2 (en) 1999-03-04
FI104300B (fi) 1999-12-15
WO1999010993A3 (en) 1999-05-14
AU8864798A (en) 1999-03-16
US6430421B1 (en) 2002-08-06
AU744467B2 (en) 2002-02-21
FI973478A (fi) 1999-02-23
NO20000840D0 (no) 2000-02-21
FI973478A0 (fi) 1997-08-22

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