ATE327602T1 - Verminderung der interferenz zwischen kanälen in synchronisationsbursten in einer mehrstrahl kommunikationsanordnung - Google Patents

Verminderung der interferenz zwischen kanälen in synchronisationsbursten in einer mehrstrahl kommunikationsanordnung

Info

Publication number
ATE327602T1
ATE327602T1 AT00111814T AT00111814T ATE327602T1 AT E327602 T1 ATE327602 T1 AT E327602T1 AT 00111814 T AT00111814 T AT 00111814T AT 00111814 T AT00111814 T AT 00111814T AT E327602 T1 ATE327602 T1 AT E327602T1
Authority
AT
Austria
Prior art keywords
sequences
same
terminal
reception
synchronization
Prior art date
Application number
AT00111814T
Other languages
English (en)
Inventor
Stuart T Linsky
Gregory S Caso
David A Wright
Original Assignee
Northrop Grumman 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 Northrop Grumman Corp filed Critical Northrop Grumman Corp
Application granted granted Critical
Publication of ATE327602T1 publication Critical patent/ATE327602T1/de

Links

Classifications

    • 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
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18513—Transmission in a satellite or space-based system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AT00111814T 1999-06-11 2000-06-06 Verminderung der interferenz zwischen kanälen in synchronisationsbursten in einer mehrstrahl kommunikationsanordnung ATE327602T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/330,441 US6452962B1 (en) 1999-06-11 1999-06-11 Mitigation of co-channel interference in synchronization bursts in a multi-beam communication system

Publications (1)

Publication Number Publication Date
ATE327602T1 true ATE327602T1 (de) 2006-06-15

Family

ID=23289800

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00111814T ATE327602T1 (de) 1999-06-11 2000-06-06 Verminderung der interferenz zwischen kanälen in synchronisationsbursten in einer mehrstrahl kommunikationsanordnung

Country Status (6)

Country Link
US (2) US6452962B1 (de)
EP (1) EP1059738B1 (de)
JP (1) JP2001024571A (de)
AT (1) ATE327602T1 (de)
CA (1) CA2307995C (de)
DE (1) DE60028130T2 (de)

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US6337980B1 (en) 1999-03-18 2002-01-08 Hughes Electronics Corporation Multiple satellite mobile communications method and apparatus for hand-held terminals
US6452962B1 (en) * 1999-06-11 2002-09-17 Trw Inc. Mitigation of co-channel interference in synchronization bursts in a multi-beam communication system
US6434361B1 (en) * 1999-09-29 2002-08-13 Trw Inc. Synchronization burst processor for a processing satellite
US6388615B1 (en) 2000-06-06 2002-05-14 Hughes Electronics Corporation Micro cell architecture for mobile user tracking communication system
DE60106251T2 (de) * 2000-06-15 2006-03-09 Spacenet, Inc. Anordnung und verfahren für satellitengesteuertes aloha
US6895217B1 (en) 2000-08-21 2005-05-17 The Directv Group, Inc. Stratospheric-based communication system for mobile users having adaptive interference rejection
US6868269B1 (en) 2000-08-28 2005-03-15 The Directv Group, Inc. Integrating coverage areas of multiple transponder platforms
US6941138B1 (en) 2000-09-05 2005-09-06 The Directv Group, Inc. Concurrent communications between a user terminal and multiple stratospheric transponder platforms
US7369847B1 (en) * 2000-09-14 2008-05-06 The Directv Group, Inc. Fixed cell communication system with reduced interference
US7317916B1 (en) 2000-09-14 2008-01-08 The Directv Group, Inc. Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection
US6763242B1 (en) 2000-09-14 2004-07-13 The Directv Group, Inc. Resource assignment system and method for determining the same
US6721538B1 (en) * 2000-10-05 2004-04-13 Hughes Electronics Corporation Time-offset distribution to ensure constant satellite power
US6388634B1 (en) 2000-10-31 2002-05-14 Hughes Electronics Corporation Multi-beam antenna communication system and method
US6891813B2 (en) 2000-12-12 2005-05-10 The Directv Group, Inc. Dynamic cell CDMA code assignment system and method
US8396513B2 (en) * 2001-01-19 2013-03-12 The Directv Group, Inc. Communication system for mobile users using adaptive antenna
US7187949B2 (en) 2001-01-19 2007-03-06 The Directv Group, Inc. Multiple basestation communication system having adaptive antennas
US7809403B2 (en) 2001-01-19 2010-10-05 The Directv Group, Inc. Stratospheric platforms communication system using adaptive antennas
US7352715B2 (en) * 2001-11-30 2008-04-01 Cellnet Innovations, Inc. Time synchronization using dynamic thresholds
US6993288B2 (en) * 2002-07-17 2006-01-31 The Boeing Company Managing satellite fixed beam uplink using virtual channel assignments
JP4932419B2 (ja) * 2006-06-19 2012-05-16 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム
US20080311844A1 (en) * 2007-03-19 2008-12-18 Viasat, Inc. Multiple Input Receiver In Satellite Communication System
RU2542900C2 (ru) * 2013-06-04 2015-02-27 Открытое акционерное общество "Российский институт мощного радиостроения" Способ установления синхронизации псевдослучайных последовательностей
CN103454911A (zh) * 2013-09-16 2013-12-18 中国航天科工集团第二研究院二〇三所 一种卫星双向时间比对的粗同步方法
CN112787711B (zh) * 2018-12-25 2022-07-29 长沙天仪空间科技研究院有限公司 一种卫星通信路由优化方法及系统

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US4577316A (en) * 1984-02-13 1986-03-18 Rca Corporation Synchronization system for a regenerative subtransponder satellite communication system
US4689625A (en) * 1984-11-06 1987-08-25 Martin Marietta Corporation Satellite communications system and method therefor
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US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5619503A (en) * 1994-01-11 1997-04-08 Ericsson Inc. Cellular/satellite communications system with improved frequency re-use
US5659545A (en) * 1994-11-15 1997-08-19 Motorola, Inc. Apparatus for mobile unit acquisition in a satellite communication system and method therefor
US5790939A (en) * 1995-06-29 1998-08-04 Hughes Electronics Corporation Method and system of frame timing synchronization in TDMA based mobile satellite communication system
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US6452962B1 (en) * 1999-06-11 2002-09-17 Trw Inc. Mitigation of co-channel interference in synchronization bursts in a multi-beam communication system

Also Published As

Publication number Publication date
EP1059738A3 (de) 2003-05-21
US6452962B1 (en) 2002-09-17
DE60028130D1 (de) 2006-06-29
CA2307995C (en) 2003-02-25
DE60028130T2 (de) 2006-10-26
JP2001024571A (ja) 2001-01-26
EP1059738B1 (de) 2006-05-24
CA2307995A1 (en) 2000-12-11
EP1059738A2 (de) 2000-12-13
US6845085B1 (en) 2005-01-18

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