DE69317525D1 - Nebenkeulenkompensation und Diversityempfang mit einer einzigen Gruppe von Hilfsantennen - Google Patents

Nebenkeulenkompensation und Diversityempfang mit einer einzigen Gruppe von Hilfsantennen

Info

Publication number
DE69317525D1
DE69317525D1 DE69317525T DE69317525T DE69317525D1 DE 69317525 D1 DE69317525 D1 DE 69317525D1 DE 69317525 T DE69317525 T DE 69317525T DE 69317525 T DE69317525 T DE 69317525T DE 69317525 D1 DE69317525 D1 DE 69317525D1
Authority
DE
Germany
Prior art keywords
sidelobe
compensation
single group
diversity reception
auxiliary antennas
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 - Fee Related
Application number
DE69317525T
Other languages
English (en)
Other versions
DE69317525T2 (de
Inventor
Ichiro Tsujimoto
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69317525D1 publication Critical patent/DE69317525D1/de
Publication of DE69317525T2 publication Critical patent/DE69317525T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • H01Q3/2629—Combination of a main antenna unit with an auxiliary antenna unit
DE69317525T 1992-12-14 1993-12-14 Nebenkeulenkompensation und Diversityempfang mit einer einzigen Gruppe von Hilfsantennen Expired - Fee Related DE69317525T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4332866A JPH0748665B2 (ja) 1992-12-14 1992-12-14 サイドローブキャンセラ

Publications (2)

Publication Number Publication Date
DE69317525D1 true DE69317525D1 (de) 1998-04-23
DE69317525T2 DE69317525T2 (de) 1998-07-09

Family

ID=18259681

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69317525T Expired - Fee Related DE69317525T2 (de) 1992-12-14 1993-12-14 Nebenkeulenkompensation und Diversityempfang mit einer einzigen Gruppe von Hilfsantennen

Country Status (4)

Country Link
US (1) US5369412A (de)
EP (1) EP0602615B1 (de)
JP (1) JPH0748665B2 (de)
DE (1) DE69317525T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4415282A1 (de) * 1994-04-30 1995-11-02 Sel Alcatel Ag Funkempfänger für Mehrwegeempfang
JP2561028B2 (ja) * 1994-05-26 1996-12-04 日本電気株式会社 サイドローブキャンセラ
JPH0974372A (ja) * 1995-09-04 1997-03-18 Matsushita Electric Ind Co Ltd スペクトラム拡散無線伝送受信装置
US5991273A (en) * 1997-05-01 1999-11-23 Nortel Networks Corporation Determining SINR in a communications system
US6185258B1 (en) 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
CA2276207C (en) 1997-10-31 2003-02-18 At&T Wireless Services, Inc. Low complexity maximum likelihood detection of concatenated space codes for wireless applications
DE19751122A1 (de) * 1997-11-19 1999-05-20 Cit Alcatel Antennenanlage und Verfahren zum Betreiben einer Antennenanlage
JP3302634B2 (ja) * 1997-12-16 2002-07-15 松下電器産業株式会社 データ通信装置及び方法
DE69926024T2 (de) * 1998-02-13 2005-12-01 Nec Corp. Adaptative Empfangsvorrichtung mit Gruppenantenne
US6459740B1 (en) * 1998-09-17 2002-10-01 At&T Wireless Services, Inc. Maximum ratio transmission
US6404387B1 (en) * 1999-10-22 2002-06-11 Mitsubishi Denki Kabushiki Kaisha Adaptive array antenna device and base station adaptive array antenna device
US7386781B2 (en) * 2000-12-15 2008-06-10 Arraycomm, Llc Method and apparatus for increasing the effective range of a communication link in a wireless communication system
GB2386476B (en) * 2002-03-14 2004-05-12 Toshiba Res Europ Ltd Antenna signal processing systems
GB0300352D0 (en) * 2003-01-08 2003-02-05 Secr Defence Radio signal direction finder
US20060187692A1 (en) * 2003-08-01 2006-08-24 Reinhold Elferich Output voltage control of a synchronous rectifier
DE102005061723A1 (de) * 2005-12-21 2007-06-28 Daimlerchrysler Ag Verfahren zum Empfang von Antennensignalen mindestens zweier Empfangsantennen eines Antennensystems und Antennensystem
KR100793298B1 (ko) * 2006-10-16 2008-01-10 삼성전자주식회사 듀얼 수신기 기반의 휴대 단말을 위한 수신 모드 선택 방법
US8626096B2 (en) * 2008-03-24 2014-01-07 Qualcomm Incorporated Methods and apparatus for combining signals from multiple diversity sources
US8854212B2 (en) 2009-03-30 2014-10-07 Datalogic Automation, Inc. Radio frequency identification tag identification system
JP5846211B2 (ja) * 2011-10-28 2016-01-20 日本電気株式会社 干渉波抑圧装置及び干渉波抑圧方法
CN103885041B (zh) * 2014-02-25 2016-03-02 西安电子科技大学 一种基于认知处理的自适应旁瓣相消方法
US9786986B2 (en) * 2014-04-07 2017-10-10 Kymeta Coproration Beam shaping for reconfigurable holographic antennas
KR102188747B1 (ko) * 2015-10-12 2020-12-08 에스케이텔레콤 주식회사 하이브리드 빔포밍을 이용한 무선 통신 방법 및 장치
US10705176B2 (en) * 2015-10-13 2020-07-07 Northrop Grumman Systems Corporation Signal direction processing for an antenna array

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586045A (en) * 1970-10-05 1986-04-29 The United States Of America As Represented By The Secretary Of The Air Force Wide band multiple side-lobe canceller
US4771289A (en) * 1982-05-28 1988-09-13 Hazeltine Corporation Beamforming/null-steering adaptive array
US4516126A (en) * 1982-09-30 1985-05-07 Hazeltine Corporation Adaptive array having an auxiliary channel notched pattern in the steered beam direction
US5045858A (en) * 1989-08-16 1991-09-03 Cubic Defense Systems, Inc. Sidelobe identification and discrimination system with signal multiplexer-separator

Also Published As

Publication number Publication date
EP0602615B1 (de) 1998-03-18
JPH0748665B2 (ja) 1995-05-24
US5369412A (en) 1994-11-29
JPH06181446A (ja) 1994-06-28
DE69317525T2 (de) 1998-07-09
EP0602615A3 (de) 1995-07-26
EP0602615A2 (de) 1994-06-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee