DE69528055D1 - Phasengesteuerte gruppenantenne mit mehrfach-strahlbreiten - Google Patents

Phasengesteuerte gruppenantenne mit mehrfach-strahlbreiten

Info

Publication number
DE69528055D1
DE69528055D1 DE69528055T DE69528055T DE69528055D1 DE 69528055 D1 DE69528055 D1 DE 69528055D1 DE 69528055 T DE69528055 T DE 69528055T DE 69528055 T DE69528055 T DE 69528055T DE 69528055 D1 DE69528055 D1 DE 69528055D1
Authority
DE
Germany
Prior art keywords
multiple beam
phase controlled
beam widths
group antenna
controlled 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
DE69528055T
Other languages
English (en)
Other versions
DE69528055T2 (de
Inventor
W Dent
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.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE69528055D1 publication Critical patent/DE69528055D1/de
Publication of DE69528055T2 publication Critical patent/DE69528055T2/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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H01Q1/288—Satellite antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/2041—Spot beam multiple access

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE69528055T 1994-04-08 1995-04-07 Phasengesteuerte gruppenantenne mit mehrfach-strahlbreiten Expired - Lifetime DE69528055T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/225,399 US5642358A (en) 1994-04-08 1994-04-08 Multiple beamwidth phased array
PCT/US1995/004029 WO1995028015A1 (en) 1994-04-08 1995-04-07 Multiple beamwidth phased array

Publications (2)

Publication Number Publication Date
DE69528055D1 true DE69528055D1 (de) 2002-10-10
DE69528055T2 DE69528055T2 (de) 2003-05-22

Family

ID=22844709

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69528055T Expired - Lifetime DE69528055T2 (de) 1994-04-08 1995-04-07 Phasengesteuerte gruppenantenne mit mehrfach-strahlbreiten

Country Status (10)

Country Link
US (1) US5642358A (de)
EP (1) EP0755578B1 (de)
JP (1) JPH10505468A (de)
KR (1) KR100367390B1 (de)
CN (1) CN1078392C (de)
AU (1) AU692857B2 (de)
CA (1) CA2185988A1 (de)
DE (1) DE69528055T2 (de)
FI (1) FI964030A (de)
WO (1) WO1995028015A1 (de)

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US6556809B1 (en) * 1999-11-22 2003-04-29 Motorola, Inc. Method and apparatus for controlling communication beams within a cellular communication system
DE69921495T2 (de) * 1999-12-23 2005-02-24 Freescale Semiconductor, Inc., Austin Doppelmodus mit einem einzelnen Empfängerschaltkreis
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US6901123B2 (en) * 2001-04-02 2005-05-31 Harris Corporation Multi-panel phased array antenna, employing combined baseband decision driven carrier demodulation
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US7583728B2 (en) * 2002-10-25 2009-09-01 The Directv Group, Inc. Equalizers for layered modulated and other signals
US7184489B2 (en) * 2001-04-27 2007-02-27 The Directv Group, Inc. Optimization technique for layered modulation
US8005035B2 (en) * 2001-04-27 2011-08-23 The Directv Group, Inc. Online output multiplexer filter measurement
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US7173981B1 (en) * 2001-04-27 2007-02-06 The Directv Group, Inc. Dual layer signal processing in a layered modulation digital signal system
US7639759B2 (en) * 2001-04-27 2009-12-29 The Directv Group, Inc. Carrier to noise ratio estimations from a received signal
US7209524B2 (en) * 2001-04-27 2007-04-24 The Directv Group, Inc. Layered modulation for digital signals
US7151807B2 (en) * 2001-04-27 2006-12-19 The Directv Group, Inc. Fast acquisition of timing and carrier frequency from received signal
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US7245671B1 (en) * 2001-04-27 2007-07-17 The Directv Group, Inc. Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers
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US7197282B2 (en) * 2001-07-26 2007-03-27 Ericsson Inc. Mobile station loop-back signal processing
US7224942B2 (en) 2001-07-26 2007-05-29 Telefonaktiebolaget Lm Ericsson (Publ) Communications system employing non-polluting pilot codes
SE522119C2 (sv) * 2001-10-15 2004-01-13 Ericsson Telefon Ab L M HF-effektförstärkning genom konvertering och tidsmultiplexering av basbandssignaler
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AU2003281452A1 (en) 2002-07-03 2004-01-23 The Directv Group, Inc. Method and apparatus for layered modulation
EP1579706B1 (de) * 2002-10-25 2010-12-08 The Directv Group, Inc. Verfahren und vorrichtung zum anpassen von trägerleistungsanforderungen gemäss verfügbarkeit in geschichteten modulationssystemen
CA2503532C (en) * 2002-10-25 2011-03-01 The Directv Group, Inc. Estimating the operating point on a nonlinear traveling wave tube amplifier
US7474710B2 (en) * 2002-10-25 2009-01-06 The Directv Group, Inc. Amplitude and phase matching for layered modulation reception
US7463676B2 (en) 2002-10-25 2008-12-09 The Directv Group, Inc. On-line phase noise measurement for layered modulation
US7529312B2 (en) * 2002-10-25 2009-05-05 The Directv Group, Inc. Layered modulation for terrestrial ATSC applications
ES2398213T3 (es) 2002-10-25 2013-03-14 The Directv Group, Inc. Procesador de señal de modulación en capas de baja complejidad
US7068975B2 (en) * 2002-11-26 2006-06-27 The Directv Group, Inc. Systems and methods for sharing uplink bandwidth among satellites in a common orbital slot
CN1182739C (zh) * 2003-01-28 2004-12-29 大唐移动通信设备有限公司 移动通信系统的接力通信设备及其通信方法
US7184492B2 (en) * 2003-02-10 2007-02-27 Ericsson Inc. Using antenna arrays in multipath environment
US6727842B1 (en) * 2003-03-11 2004-04-27 L-3 Communications Avionics System, Inc. Digital IF processor
US7502429B2 (en) * 2003-10-10 2009-03-10 The Directv Group, Inc. Equalization for traveling wave tube amplifier nonlinearity measurements
US8380186B2 (en) * 2004-01-22 2013-02-19 Atc Technologies, Llc Satellite with different size service link antennas and radioterminal communication methods using same
US7970345B2 (en) * 2005-06-22 2011-06-28 Atc Technologies, Llc Systems and methods of waveform and/or information splitting for wireless transmission of information to one or more radioterminals over a plurality of transmission paths and/or system elements
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EP1900113A4 (de) * 2005-07-04 2012-02-15 Ericsson Telefon Ab L M Verbesserte repeater-antenne
WO2007004932A1 (en) * 2005-07-04 2007-01-11 Telefonaktiebolaget Lm Ericsson (Publ) An improved repeater antenna for use in point-to-point applications
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TW200744332A (en) * 2006-05-30 2007-12-01 Benq Corp Method and apparatus of receiving signals and wireless multimode wideband receiver
US20090023462A1 (en) * 2007-07-17 2009-01-22 Telefonaktiebolaget Lm Ericsson (Publ) Signal Waveform Construction for Position Determination by Scrambled Conical
CN101349741B (zh) * 2008-08-29 2011-02-09 西安电子科技大学 用于电子侦察的相控阵数字多波束形成器
US8965290B2 (en) * 2012-03-29 2015-02-24 General Electric Company Amplitude enhanced frequency modulation
FR2997255B1 (fr) * 2012-10-18 2014-12-26 Thales Sa Systeme de telecommunication par satellite permettant d'assurer un trafic en etoile et un trafic maille
US9461601B2 (en) * 2013-05-20 2016-10-04 Maxim Integrated Products, Inc. Multichannel digital audio interface
CN103545612B (zh) * 2013-10-28 2015-09-09 北京理工大学 一种用于动中通系统的卫星波束中心估计方法
EP2869476A1 (de) * 2013-10-29 2015-05-06 Alcatel Lucent Sendeverfahren für Mehrfachantennensysteme, Sendevorrichtung und Netzwerkknoten dafür
US10187141B2 (en) 2015-04-10 2019-01-22 Viasat, Inc. Cross-band system for end-to-end beamforming
US10128939B2 (en) 2015-04-10 2018-11-13 Viasat, Inc. Beamformer for end-to-end beamforming communications system
DK3651377T3 (da) 2015-04-10 2021-09-20 Viasat Inc Jordbaseret antenne-beamforming til kommunikation mellem tilgangsknudepunkter og brugerterminaler, der er forbundet med et relæ såsom en satellit
CN106154681B (zh) * 2016-08-26 2020-03-20 电子科技大学 一种激光相控阵多波束形成系统及方法
US11632166B2 (en) * 2016-09-13 2023-04-18 Qualcomm Incorporated Neighbor cell list
ES2856184T3 (es) 2016-10-21 2021-09-27 Viasat Inc Comunicaciones de formación de haces terrestre que utilizan enlaces de alimentador espacialmente multiplexados mutuamente sincronizados
CN108828536B (zh) * 2018-04-25 2022-03-22 西安电子科技大学 基于二阶锥规划的宽带发射数字波束形成干扰设计方法
CN108732429B (zh) * 2018-05-31 2020-06-09 西安空间无线电技术研究所 一种天线反射面无源互调测试装置
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CN109103610B (zh) * 2018-08-24 2021-07-09 西安空间无线电技术研究所 一种非均匀子波束覆盖的多波束天线及设计方法
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CN111654335B (zh) * 2019-11-26 2021-12-07 航天东方红卫星有限公司 一种中继数传系统在整星近场下的无线测试方法
CN112165345B (zh) * 2020-05-07 2023-01-06 北京邮电大学 基于阵列天线分割的多波束覆盖方法及装置
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Also Published As

Publication number Publication date
DE69528055T2 (de) 2003-05-22
JPH10505468A (ja) 1998-05-26
FI964030A0 (fi) 1996-10-08
EP0755578B1 (de) 2002-09-04
AU2275995A (en) 1995-10-30
CN1145698A (zh) 1997-03-19
CA2185988A1 (en) 1995-10-19
KR100367390B1 (ko) 2003-04-10
WO1995028015A1 (en) 1995-10-19
US5642358A (en) 1997-06-24
EP0755578A1 (de) 1997-01-29
CN1078392C (zh) 2002-01-23
AU692857B2 (en) 1998-06-18
FI964030A (fi) 1996-10-08

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