HK1046789B - 衛星通信系統中的饋送器鏈路空間多路複用 - Google Patents
衛星通信系統中的饋送器鏈路空間多路複用Info
- Publication number
- HK1046789B HK1046789B HK02108213.2A HK02108213A HK1046789B HK 1046789 B HK1046789 B HK 1046789B HK 02108213 A HK02108213 A HK 02108213A HK 1046789 B HK1046789 B HK 1046789B
- Authority
- HK
- Hong Kong
- Prior art keywords
- user
- feeder
- channels
- beams
- fdma
- Prior art date
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
-
- 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
-
- 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
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18539—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/344,818 US6317420B1 (en) | 1999-06-25 | 1999-06-25 | Feeder link spatial multiplexing in a satellite communication system |
PCT/US2000/017756 WO2001001606A1 (en) | 1999-06-25 | 2000-06-22 | Feeder link spatial multiplexing in a satellite communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
HK1046789A1 HK1046789A1 (en) | 2003-01-24 |
HK1046789B true HK1046789B (zh) | 2009-03-27 |
Family
ID=23352182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK02108213.2A HK1046789B (zh) | 1999-06-25 | 2002-11-13 | 衛星通信系統中的饋送器鏈路空間多路複用 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6317420B1 (zh) |
EP (1) | EP1192740B1 (zh) |
JP (1) | JP2003503888A (zh) |
KR (1) | KR100755217B1 (zh) |
CN (1) | CN100399724C (zh) |
AT (1) | ATE409990T1 (zh) |
AU (1) | AU5641600A (zh) |
DE (1) | DE60040389D1 (zh) |
HK (1) | HK1046789B (zh) |
WO (1) | WO2001001606A1 (zh) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6665518B1 (en) * | 2000-03-01 | 2003-12-16 | Northrop Gumman Corporation | Asymmetric assignment of space-borne communication system resources |
US7200360B1 (en) | 2000-06-15 | 2007-04-03 | The Directv Group, Inc. | Communication system as a secondary platform with frequency reuse |
US6725013B1 (en) | 2000-06-15 | 2004-04-20 | Hughes Electronics Corporation | Communication system having frequency reuse in non-blocking manner |
US6751458B1 (en) * | 2000-07-07 | 2004-06-15 | The Directv Group, Inc. | Architecture utilizing frequency reuse in accommodating user-link and feeder-link transmissions |
US6937592B1 (en) | 2000-09-01 | 2005-08-30 | Intel Corporation | Wireless communications system that supports multiple modes of operation |
US6763242B1 (en) | 2000-09-14 | 2004-07-13 | The Directv Group, Inc. | Resource assignment system and method for determining the same |
US6567387B1 (en) | 2000-11-07 | 2003-05-20 | Intel Corporation | System and method for data transmission from multiple wireless base transceiver stations to a subscriber unit |
US7103317B2 (en) * | 2000-12-12 | 2006-09-05 | The Directv Group, Inc. | Communication system using multiple link terminals for aircraft |
US7809403B2 (en) | 2001-01-19 | 2010-10-05 | The Directv Group, Inc. | Stratospheric platforms communication system using adaptive antennas |
US7187949B2 (en) | 2001-01-19 | 2007-03-06 | The Directv Group, Inc. | Multiple basestation communication system having adaptive antennas |
US8396513B2 (en) | 2001-01-19 | 2013-03-12 | The Directv Group, Inc. | Communication system for mobile users using adaptive antenna |
US20020136287A1 (en) * | 2001-03-20 | 2002-09-26 | Heath Robert W. | Method, system and apparatus for displaying the quality of data transmissions in a wireless communication system |
US6898428B2 (en) * | 2001-05-31 | 2005-05-24 | Space Systems/Loral, Inc. | Satellite communication system with gateway switch networks |
US7149254B2 (en) * | 2001-09-06 | 2006-12-12 | Intel Corporation | Transmit signal preprocessing based on transmit antennae correlations for multiple antennae systems |
US9485010B1 (en) | 2001-09-10 | 2016-11-01 | The Directv Group, Inc. | Adaptive coding and modulation for spot beam satellite broadcast |
US7006789B2 (en) * | 2001-09-14 | 2006-02-28 | Atc Technologies, Llc | Space-based network architectures for satellite radiotelephone systems |
US20030067890A1 (en) * | 2001-10-10 | 2003-04-10 | Sandesh Goel | System and method for providing automatic re-transmission of wirelessly transmitted information |
EP1783926B1 (en) * | 2001-11-20 | 2010-03-31 | Qualcomm, Incorporated | Reverse link power controlled repeater |
US7336719B2 (en) * | 2001-11-28 | 2008-02-26 | Intel Corporation | System and method for transmit diversity base upon transmission channel delay spread |
JP4044905B2 (ja) * | 2002-02-01 | 2008-02-06 | アルカテル−ルーセント | ハイブリッドマルチスポット衛星ブロードキャストシステムにおける効率的な周波数使用のためのシステムおよび方法 |
US7012978B2 (en) * | 2002-03-26 | 2006-03-14 | Intel Corporation | Robust multiple chain receiver |
US20030235252A1 (en) * | 2002-06-19 | 2003-12-25 | Jose Tellado | Method and system of biasing a timing phase estimate of data segments of a received signal |
US7379758B2 (en) * | 2002-07-23 | 2008-05-27 | Qualcomm Incorporated | Satellite communication system constituted with primary and back-up multi-beam satellites |
US8358971B2 (en) | 2002-07-23 | 2013-01-22 | Qualcomm Incorporated | Satellite-based programmable allocation of bandwidth for forward and return links |
US6965755B1 (en) * | 2002-11-08 | 2005-11-15 | The Directv Group, Inc. | Comprehensive network monitoring at broadcast satellite sites located outside of the broadcast service area |
US7831263B2 (en) * | 2002-11-08 | 2010-11-09 | Qualcomm Incorporated | Apparatus and method for determining the location of a repeater |
US7715838B2 (en) * | 2003-04-02 | 2010-05-11 | The Boeing Company | Aircraft based cellular system |
US7653349B1 (en) | 2003-06-18 | 2010-01-26 | The Directv Group, Inc. | Adaptive return link for two-way satellite communication systems |
US7525934B2 (en) * | 2003-09-24 | 2009-04-28 | Qualcomm Incorporated | Mixed reuse of feeder link and user link bandwidth |
JP2007532079A (ja) * | 2004-04-05 | 2007-11-08 | クゥアルコム・インコーポレイテッド | 検出した近隣を報告する中継器 |
MXPA06011461A (es) * | 2004-04-05 | 2006-12-20 | Qualcomm Inc | Repetidora con capacidades de posicionamiento. |
US8265549B2 (en) * | 2004-05-18 | 2012-09-11 | Atc Technologies, Llc | Satellite communications systems and methods using radiotelephone |
US7778596B2 (en) * | 2004-07-29 | 2010-08-17 | Qualcomm Incorporated | Airlink sensing watermarking repeater |
GB0423394D0 (en) * | 2004-10-21 | 2004-11-24 | Eads Astrium Ltd | Improvements in the flexibility of communications satellite payloads |
MX2007005805A (es) | 2004-11-16 | 2007-07-20 | Atc Tech Llc | Sistemas de comunicaciones satelital, componentes y metodos para operar compuertas de satelite compartidas. |
WO2006099501A1 (en) * | 2005-03-15 | 2006-09-21 | Atc Technologies, Llc | Methods and systems providing adaptive feeder links for ground based beam forming and related systems and satellites |
US20070155318A1 (en) * | 2006-01-04 | 2007-07-05 | Globalstar, Inc. | Satellite communication system employing a combination of time slots and orthogonal codes |
US9014619B2 (en) * | 2006-05-30 | 2015-04-21 | Atc Technologies, Llc | Methods and systems for satellite communications employing ground-based beam forming with spatially distributed hybrid matrix amplifiers |
EP2645596B2 (en) | 2006-09-26 | 2020-02-12 | ViaSat, Inc. | Improved spot beam satellite systems |
WO2014001837A1 (en) * | 2012-06-29 | 2014-01-03 | Agence Spatiale Européenne | Multibeam satellite communication system and method, and satellite payload for carrying out such a method |
FR3037748B1 (fr) * | 2015-06-19 | 2017-06-16 | Thales Sa | Satellite de telecommunication multifaisceaux, systeme de telecommunication associe et procede de transfert intercellulaire |
US9906245B2 (en) | 2015-09-15 | 2018-02-27 | Raytheon Company | Point-to-point communications link |
AU2017345760B2 (en) | 2016-10-21 | 2022-03-03 | Viasat, Inc. | Ground-based beamformed communications using mutually synchronized spatially multiplexed feeder links |
FR3062267B1 (fr) * | 2017-01-20 | 2020-10-02 | Airbus Defence & Space Sas | Architecture de charge utile d’un satellite de telecommunications |
US10673676B2 (en) | 2017-07-12 | 2020-06-02 | Qualcomm Incorporated | Techniques and apparatuses for multiplexing schemes for millimeter wave downlink single carrier waveforms |
JP7236370B2 (ja) * | 2019-11-01 | 2023-03-09 | Hapsモバイル株式会社 | Hapsのマルチフィーダリンクにおけるスペクトル拡散パイロット信号を用いた伝搬路応答測定及び干渉キャンセリング |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61148926A (ja) * | 1984-12-24 | 1986-07-07 | Kokusai Denshin Denwa Co Ltd <Kdd> | 通信衛星中継器 |
US4901307A (en) | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
IT1211458B (it) * | 1987-11-04 | 1989-10-26 | Selenia Spazio Spa | Controllore della commutazione di bordo di un satellite del tipo con commutazione a bordo |
DE69118777T2 (de) * | 1990-07-31 | 1996-10-02 | Int Telecomm Satellite | Bordseitige Nutzlast zur Kommunikation, schaltbar für Mehrfachband- und Mehrstrahlanwendungen |
US5602833A (en) * | 1994-12-19 | 1997-02-11 | Qualcomm Incorporated | Method and apparatus for using Walsh shift keying in a spread spectrum communication system |
US5691974A (en) | 1995-01-04 | 1997-11-25 | Qualcomm Incorporated | Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy |
CA2157209C (en) * | 1995-08-30 | 2001-04-10 | Robert Peach | Repeaters for multibeam satellites |
DE69626905T2 (de) * | 1995-08-30 | 2004-03-11 | Com Dev Ltd., Cambridge | Satelliten-Zwischenverstärker zur Funkkeulen-Umschaltung von Kanälen und Teilkanälen |
US5835487A (en) * | 1995-12-08 | 1998-11-10 | Worldspace International Network, Inc. | Satellite direct radio broadcast system |
US5920284A (en) | 1996-09-30 | 1999-07-06 | Qualcomm Incorporated | Ambiguity resolution for ambiguous position solutions using satellite beams |
US5903549A (en) * | 1997-02-21 | 1999-05-11 | Hughes Electronics Corporation | Ground based beam forming utilizing synchronized code division multiplexing |
US6052085A (en) * | 1998-06-05 | 2000-04-18 | Motorola, Inc. | Method and system for beamforming at baseband in a communication system |
-
1999
- 1999-06-25 US US09/344,818 patent/US6317420B1/en not_active Expired - Lifetime
-
2000
- 2000-06-22 AT AT00941757T patent/ATE409990T1/de not_active IP Right Cessation
- 2000-06-22 KR KR1020017016657A patent/KR100755217B1/ko not_active IP Right Cessation
- 2000-06-22 JP JP2001506166A patent/JP2003503888A/ja not_active Ceased
- 2000-06-22 EP EP00941757A patent/EP1192740B1/en not_active Expired - Lifetime
- 2000-06-22 AU AU56416/00A patent/AU5641600A/en not_active Abandoned
- 2000-06-22 WO PCT/US2000/017756 patent/WO2001001606A1/en active Application Filing
- 2000-06-22 DE DE60040389T patent/DE60040389D1/de not_active Expired - Lifetime
- 2000-06-22 CN CNB008119104A patent/CN100399724C/zh not_active Expired - Fee Related
-
2002
- 2002-11-13 HK HK02108213.2A patent/HK1046789B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2001001606A1 (en) | 2001-01-04 |
ATE409990T1 (de) | 2008-10-15 |
KR100755217B1 (ko) | 2007-09-04 |
KR20020016848A (ko) | 2002-03-06 |
EP1192740A1 (en) | 2002-04-03 |
CN100399724C (zh) | 2008-07-02 |
US6317420B1 (en) | 2001-11-13 |
CN1370354A (zh) | 2002-09-18 |
JP2003503888A (ja) | 2003-01-28 |
DE60040389D1 (de) | 2008-11-13 |
AU5641600A (en) | 2001-01-31 |
EP1192740B1 (en) | 2008-10-01 |
HK1046789A1 (en) | 2003-01-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20120622 |