DE60236027D1 - Verfahren zur verbesserung der messgenauigkeit in einer antennengruppe - Google Patents

Verfahren zur verbesserung der messgenauigkeit in einer antennengruppe

Info

Publication number
DE60236027D1
DE60236027D1 DE60236027T DE60236027T DE60236027D1 DE 60236027 D1 DE60236027 D1 DE 60236027D1 DE 60236027 T DE60236027 T DE 60236027T DE 60236027 T DE60236027 T DE 60236027T DE 60236027 D1 DE60236027 D1 DE 60236027D1
Authority
DE
Germany
Prior art keywords
sub
values
time
measurement accuracy
antenna group
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
DE60236027T
Other languages
English (en)
Inventor
Michael Numminen
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60236027D1 publication Critical patent/DE60236027D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
    • 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
    • H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/023—Monitoring or calibrating

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Details Of Aerials (AREA)
DE60236027T 2002-08-30 2002-08-30 Verfahren zur verbesserung der messgenauigkeit in einer antennengruppe Expired - Lifetime DE60236027D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2002/001550 WO2004021512A1 (en) 2002-08-30 2002-08-30 Method for enhancing the measuring accuracy in an antenna array

Publications (1)

Publication Number Publication Date
DE60236027D1 true DE60236027D1 (de) 2010-05-27

Family

ID=31974204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60236027T Expired - Lifetime DE60236027D1 (de) 2002-08-30 2002-08-30 Verfahren zur verbesserung der messgenauigkeit in einer antennengruppe

Country Status (6)

Country Link
US (1) US7372402B2 (de)
EP (1) EP1540765B1 (de)
AT (1) ATE464673T1 (de)
AU (1) AU2002330817A1 (de)
DE (1) DE60236027D1 (de)
WO (1) WO2004021512A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE433607T1 (de) * 2002-08-30 2009-06-15 Ericsson Telefon Ab L M Verringerung von nah-mehrdeutigkeiten
GB2404822B (en) * 2003-08-07 2007-07-11 Ipwireless Inc Method and arrangement for noise variance and sir estimation
US7474262B2 (en) 2005-07-01 2009-01-06 Delphi Technologies, Inc. Digital beamforming for an electronically scanned radar system
WO2007023371A1 (en) * 2005-08-24 2007-03-01 Reutech Radar Systems (Proprietary) Limited Grating lobe assisted search radar system utilising antenna with multiple elements
JP5093298B2 (ja) * 2010-06-04 2012-12-12 株式会社デンソー 方位検出装置
WO2018129355A1 (en) * 2017-01-06 2018-07-12 Skyworks Solutions, Inc. Beamforming of harmonics
CN109635349B (zh) * 2018-11-16 2023-07-07 重庆大学 一种噪声增强最小化克拉美罗界的方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374478A (en) * 1966-12-07 1968-03-19 Spectronics Inc Radar signaliing system with reduced clutter effect
US3803625A (en) 1972-12-18 1974-04-09 Itt Network approach for reducing the number of phase shifters in a limited scan phased array
US4119972A (en) * 1977-02-03 1978-10-10 Nasa Phased array antenna control
US4513385A (en) 1983-01-31 1985-04-23 Motorola, Inc. Apparatus and method for suppressing side lobe response in a digitally sampled system
US4500883A (en) * 1983-03-07 1985-02-19 The United States Of America As Represented By The Secretary Of The Army Adaptive multiple interference tracking and cancelling antenna
GB8803451D0 (en) * 1988-02-15 1988-03-16 British Telecomm Antenna
US5225841A (en) 1991-06-27 1993-07-06 Hughes Aircraft Company Glittering array for radar pulse shaping
US5339284A (en) * 1992-07-17 1994-08-16 Frederick Herold & Associates, Inc. Signal processor for elimination of sidelobe responses and generation of error signals
GB9424119D0 (en) 1994-11-28 1995-01-18 Northern Telecom Ltd An antenna dow-tilt arrangement
US6236363B1 (en) * 1998-01-30 2001-05-22 Micronetics Wireless Smart antenna channel simulator and test system
US5973638A (en) * 1998-01-30 1999-10-26 Micronetics Wireless, Inc. Smart antenna channel simulator and test system
US6178140B1 (en) * 1998-05-19 2001-01-23 L-3 Communications Elac Nautik Gmbh Method for three-dimensional beam forming in direction finding systems
US6198434B1 (en) * 1998-12-17 2001-03-06 Metawave Communications Corporation Dual mode switched beam antenna
SE514624C2 (sv) * 1998-12-22 2001-03-26 Ericsson Telefon Ab L M Förfarande och arrangemang för att upprätta en länk mellan två fasta noder i ett mobilradiosystem genom användning av adaptiva antenner och en reflekterande kropp
SE518207C2 (sv) * 1999-09-10 2002-09-10 Ericsson Telefon Ab L M Gles gruppantenn
SE515471C2 (sv) * 1999-12-22 2001-08-13 Ericsson Telefon Ab L M Antennanordning och förfarande för sidlobsundertryckning
SE517758C2 (sv) * 2000-11-14 2002-07-09 Ericsson Telefon Ab L M Dubbelstråleantennapertur
GB2376568B (en) * 2001-06-12 2005-06-01 Mobisphere Ltd Improvements in or relating to smart antenna arrays
ATE433607T1 (de) 2002-08-30 2009-06-15 Ericsson Telefon Ab L M Verringerung von nah-mehrdeutigkeiten

Also Published As

Publication number Publication date
EP1540765B1 (de) 2010-04-14
US20060012518A1 (en) 2006-01-19
ATE464673T1 (de) 2010-04-15
WO2004021512A1 (en) 2004-03-11
US7372402B2 (en) 2008-05-13
EP1540765A1 (de) 2005-06-15
AU2002330817A1 (en) 2004-03-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition