BR112012009896A2 - método para gerar dois feixes, e, antena configurada para gerar dois feixes - Google Patents

método para gerar dois feixes, e, antena configurada para gerar dois feixes

Info

Publication number
BR112012009896A2
BR112012009896A2 BR112012009896A BR112012009896A BR112012009896A2 BR 112012009896 A2 BR112012009896 A2 BR 112012009896A2 BR 112012009896 A BR112012009896 A BR 112012009896A BR 112012009896 A BR112012009896 A BR 112012009896A BR 112012009896 A2 BR112012009896 A2 BR 112012009896A2
Authority
BR
Brazil
Prior art keywords
beams
generate
weight
dual polarized
polarized array
Prior art date
Application number
BR112012009896A
Other languages
English (en)
Inventor
Björn Gunnar Johannisson
Sven Oscar Petersson
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
Publication of BR112012009896A2 publication Critical patent/BR112012009896A2/pt

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
    • 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
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0426—Power distribution
    • H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • H04B7/10—Polarisation diversity; Directional diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Transmission System (AREA)

Abstract

método para gerar dois feixes, e, antena configurada para gerar dois feixes. a presente invenção relaciona-se a um método para gerar dois feixes, tendo polarizações ortogonais, cobrindo uma área selecionada usando uma antena (20) incluindo múltiplos elementos de arranjo polarizados duais (11). cada elemento de arranjo polarizado dual tendo um primeiro centro de fase (18) associado com uma primeira polarização e um segundo centro de fase (18) associado com uma segunda polarização. o método inclui: projetar uma primeira matriz de peso tendo um primeiro vetor de peso não zero para a segunda polarização, calcular uma segunda matriz de peso baseado nos vetores de peso da primeira matriz de peso, e aplicar a primeiro e segunda matrizes de peso aos elementos de arranjo polarizados duais para gerar um segundo feixe cobrindo a área selecionada.
BR112012009896A 2009-10-28 2010-03-04 método para gerar dois feixes, e, antena configurada para gerar dois feixes BR112012009896A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25554109P 2009-10-28 2009-10-28
PCT/EP2010/001349 WO2011050866A1 (en) 2009-10-28 2010-03-04 A method of designing weight vectors for a dual beam antenna with orthogonal polarizations

Publications (1)

Publication Number Publication Date
BR112012009896A2 true BR112012009896A2 (pt) 2016-11-29

Family

ID=42244344

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012009896A BR112012009896A2 (pt) 2009-10-28 2010-03-04 método para gerar dois feixes, e, antena configurada para gerar dois feixes

Country Status (7)

Country Link
US (1) US8994588B2 (pt)
EP (1) EP2494658B1 (pt)
JP (1) JP5450827B2 (pt)
CN (1) CN102640352B (pt)
BR (1) BR112012009896A2 (pt)
MX (1) MX2012004744A (pt)
WO (1) WO2011050866A1 (pt)

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US9014066B1 (en) 2013-11-26 2015-04-21 Magnolia Broadband Inc. System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems
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US9042276B1 (en) * 2013-12-05 2015-05-26 Magnolia Broadband Inc. Multiple co-located multi-user-MIMO access points
WO2015096161A1 (zh) * 2013-12-27 2015-07-02 华为技术有限公司 一种天线阵列、信号映射的方法及基站
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Also Published As

Publication number Publication date
EP2494658A1 (en) 2012-09-05
WO2011050866A1 (en) 2011-05-05
EP2494658B1 (en) 2015-05-06
CN102640352B (zh) 2015-06-24
US20120212372A1 (en) 2012-08-23
US8994588B2 (en) 2015-03-31
CN102640352A (zh) 2012-08-15
JP5450827B2 (ja) 2014-03-26
JP2013509758A (ja) 2013-03-14
MX2012004744A (es) 2012-05-22

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H01Q 3/26 , H01Q 21/08 , H04B 7/06

Ipc: H01Q 3/26 (2006.01), H01Q 21/08 (2006.01), H04B 7/

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements