[go: up one dir, main page]

ATE457534T1 - Verfahren und einheit zur strahlsteuerung einer gruppenantenne - Google Patents

Verfahren und einheit zur strahlsteuerung einer gruppenantenne

Info

Publication number
ATE457534T1
ATE457534T1 AT02780222T AT02780222T ATE457534T1 AT E457534 T1 ATE457534 T1 AT E457534T1 AT 02780222 T AT02780222 T AT 02780222T AT 02780222 T AT02780222 T AT 02780222T AT E457534 T1 ATE457534 T1 AT E457534T1
Authority
AT
Austria
Prior art keywords
digital beamformer
unit
beam control
antenna
signal processing
Prior art date
Application number
AT02780222T
Other languages
English (en)
Inventor
Kent Falk
Ingmar Karlsson
Hans Lind
Thomas Ridderstrale
Morgan Andersson
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
Application granted granted Critical
Publication of ATE457534T1 publication Critical patent/ATE457534T1/de

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
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D473/00—Heterocyclic compounds containing purine ring systems
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/034—Duplexers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0025—Modular arrays
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
AT02780222T 2002-09-30 2002-09-30 Verfahren und einheit zur strahlsteuerung einer gruppenantenne ATE457534T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2002/001781 WO2004030145A1 (en) 2002-09-30 2002-09-30 A method and a unit for beam control of an array antenna

Publications (1)

Publication Number Publication Date
ATE457534T1 true ATE457534T1 (de) 2010-02-15

Family

ID=32041140

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02780222T ATE457534T1 (de) 2002-09-30 2002-09-30 Verfahren und einheit zur strahlsteuerung einer gruppenantenne

Country Status (9)

Country Link
US (1) US7277051B2 (de)
EP (1) EP1550177B1 (de)
JP (1) JP4119429B2 (de)
CN (1) CN100438211C (de)
AT (1) ATE457534T1 (de)
AU (1) AU2002343293A1 (de)
DE (1) DE60235329D1 (de)
UA (1) UA80725C2 (de)
WO (1) WO2004030145A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1689097A1 (de) * 2005-02-03 2006-08-09 Afa Technologies, Inc. Empfangsdiversitätssystem
EP2022134B1 (de) 2006-04-27 2017-01-18 Tyco Electronics Services GmbH Antennen, vorrichtungen und systeme auf der basis von metamaterialstrukturen
KR20100051883A (ko) 2006-08-25 2010-05-18 레이스팬 코포레이션 메타물질 구조물에 기초된 안테나
US7855696B2 (en) 2007-03-16 2010-12-21 Rayspan Corporation Metamaterial antenna arrays with radiation pattern shaping and beam switching
KR101492850B1 (ko) 2007-10-11 2015-02-16 타이코 일렉트로닉스 서비시스 게엠베하 단일층 금속화 및 비아-레스 메타 물질 구조
US20090201204A1 (en) * 2008-02-05 2009-08-13 Ems Technologies, Inc. Modal beam positioning
US8203483B2 (en) * 2008-03-13 2012-06-19 Cubic Corporation Digital beamforming antenna and datalink array
JP4864926B2 (ja) * 2008-03-28 2012-02-01 株式会社東芝 アレイアンテナ
US8472437B2 (en) * 2010-02-15 2013-06-25 Texas Instruments Incorporated Wireless chip-to-chip switching
EP2369679A1 (de) * 2010-03-24 2011-09-28 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Phasenarray-Antennensignalverarbeitungsstruktur, Verfahren und Computerprogrammprodukt
FI125462B (en) 2013-01-29 2015-10-15 Inverpolis Oy A method and system for using a phased antenna field
US9088330B2 (en) 2013-04-24 2015-07-21 Cubic Corporation Distributed local oscillator generation and synchronization

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274386A (en) * 1992-06-17 1993-12-28 General Electric Co. Reduced hardware antenna beamformer
US5831168A (en) * 1992-09-22 1998-11-03 Hitachi, Medical Corporation Ultrasound signal processor
JP3360944B2 (ja) * 1994-07-05 2003-01-07 株式会社日立メディコ 超音波信号処理装置
KR100275071B1 (ko) * 1998-06-23 2000-12-15 윤종용 이동통신기지국의스마트안테나시스템용송수신장치

Also Published As

Publication number Publication date
AU2002343293A1 (en) 2004-04-19
EP1550177B1 (de) 2010-02-10
CN1669183A (zh) 2005-09-14
WO2004030145A1 (en) 2004-04-08
US7277051B2 (en) 2007-10-02
JP4119429B2 (ja) 2008-07-16
EP1550177A1 (de) 2005-07-06
JP2006501719A (ja) 2006-01-12
US20060164301A1 (en) 2006-07-27
CN100438211C (zh) 2008-11-26
DE60235329D1 (de) 2010-03-25
UA80725C2 (en) 2007-10-25

Similar Documents

Publication Publication Date Title
ATE457534T1 (de) Verfahren und einheit zur strahlsteuerung einer gruppenantenne
ATE285158T1 (de) Verfahren und vorrichtung zur gerichteten funkübertragung
ATE441293T1 (de) Bass-management-systeme
DK0997055T3 (da) Fremgangsmåde til elektronisk udvælgelse af afhængigheden af et udgangssignal fra den rumlige indfaldsvinkel af et akustisk signal samt høreapparat
WO2008105932A3 (en) System and method for forward looking sonar
DE19880129D2 (de) Verfahren zur Selbstsynchronisation von konfigurierbaren Elementen eines programmierbaren Bausteines
CA2339387A1 (en) Methods and apparatus for analyzing seismic data
BR0308375A (pt) Sistema e método de supressão de ruìdo
ATE496496T1 (de) Direktionale audiosignalverarbeitung unter verwendung einer überabgetasteten filterbank
DE60139623D1 (de) Mehrkanalmodule und bus-systeme
ATE526797T1 (de) Verfahren, vorrichtung, kodierer, dekodierer und audiosystem
ATE381793T1 (de) Vorrichtung und verfahren zur gleichzeitigen aussendung von mehreren signalen in unterschiedlichen richtungen mittels eine aktive phasengesteuerte gruppenantenne
ATE324023T1 (de) Vorrichtung zum pegel-korrigieren in einem wellenfeldsynthesesystem
TW200419910A (en) Method and device for generating a clock signal having predetermined clock signal properties
EP1045371A3 (de) Schallkörpersteuerschaltung und Schallerregungsbetriebsverfahren unter Verwendung desselben
FR2741735B1 (fr) Procede de generation de modeles numeriques de terrain
DE59306689D1 (de) Vorrichtung zur Erzeugung oberwellenfreier periodischer Signale
ATE433607T1 (de) Verringerung von nah-mehrdeutigkeiten
DE59914524D1 (de) Schaltungsanordnung zur Erzeugung komplementärer Signale
DE59104264D1 (de) Vorrichtung zur Erzeugung oberwellenfreier periodischer Signale.
DE60316612D1 (de) Verfahren zur herstellung einer pwm-modulierten ausgangssignalrepräsentation
GB2483589A (en) Multi-mode electromagnetic surveying
DK1552719T3 (da) Forsinkelsesnetværksmikrofon med harmonisk nesting
ATE285648T1 (de) Schaltungsanordnung und verfahren zur galvanisch getrennten breitband-übertragung
GB2438351A (en) System and method for processing audio data for narrow geometry speakers

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties