USRE32905F1 - Satellite communications system and apparatus - Google Patents

Satellite communications system and apparatus Download PDF

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Publication number
USRE32905F1
USRE32905F1 US22973788A USRE32905F1 US RE32905 F1 USRE32905 F1 US RE32905F1 US 22973788 A US22973788 A US 22973788A US RE32905 F1 USRE32905 F1 US RE32905F1
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communications system
satellite communications
satellite
communications
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Spacenet Inc
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GTE Spacenet Satellite Services Corp
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Priority claimed from US06/198,296 external-priority patent/US4455651A/en
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Priority to US07229737 priority Critical patent/USRE32905F1/en
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Publication of USRE32905E publication Critical patent/USRE32905E/en
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Assigned to GTE SPACENET SATELLITE SERVICES CORPORATION reassignment GTE SPACENET SATELLITE SERVICES CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 08/01/1991 Assignors: EQUATORIAL COMMUNICATIONS COMPANY
Assigned to GE CAPITAL SPACENET SERVICES, INC. reassignment GE CAPITAL SPACENET SERVICES, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GE CAPITAL SPACENET SATELLITE SERVICES, INC.
Assigned to CAHILL WARNOCK STRATEGIC PARTNERS FUND, AGENT reassignment CAHILL WARNOCK STRATEGIC PARTNERS FUND, AGENT SECURITY AGREEMENT Assignors: INTERLINK COMMUNICATIONS, INC., A DELAWARE CORP.
Assigned to GE CAPITAL SPACENET SATELITE SERVICES, INC reassignment GE CAPITAL SPACENET SATELITE SERVICES, INC CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: GTE SPACENET SATELLITE SERVICES CORP.
Assigned to CAHILL, WARNOCK, STRATEGIC PARTNERS FUND, L.P. A DELAWARE LIMITED PARTNERSHIP reassignment CAHILL, WARNOCK, STRATEGIC PARTNERS FUND, L.P. A DELAWARE LIMITED PARTNERSHIP SECURITY AGREEMENT Assignors: INTERLINK COMMUNICATIONS INC. A DELAWARE CORP.
Assigned to INTERLINK COMMUNICATIONS, INC. reassignment INTERLINK COMMUNICATIONS, INC. RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: CAHILL, WARNOCK, STRATEGIC PARTNERS FUND, L.P.
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    • 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
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
US07229737 1980-10-20 1988-08-03 Satellite communications system and apparatus Expired - Lifetime USRE32905F1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07229737 USRE32905F1 (en) 1980-10-20 1988-08-03 Satellite communications system and apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/198,296 US4455651A (en) 1980-10-20 1980-10-20 Satellite communications system and apparatus
US07229737 USRE32905F1 (en) 1980-10-20 1988-08-03 Satellite communications system and apparatus

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US06/198,296 Reissue US4455651A (en) 1980-10-20 1980-10-20 Satellite communications system and apparatus
US06795868 Continuation 1985-11-07

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USRE32905E USRE32905E (en) 1989-04-11
USRE32905F1 true USRE32905F1 (en) 1992-11-10

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US07229737 Expired - Lifetime USRE32905F1 (en) 1980-10-20 1988-08-03 Satellite communications system and apparatus

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Cited By (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4894841A (en) 1987-06-26 1990-01-16 Selenia Spazio S.P.A. Digital direct-sequence spread-spectrum modem
US5063571A (en) 1989-12-27 1991-11-05 Nynex Corporation Method and apparatus for increasing the data rate for a given symbol rate in a spread spectrum system
US5073900A (en) * 1990-03-19 1991-12-17 Mallinckrodt Albert J Integrated cellular communications system
US5077754A (en) * 1989-04-24 1991-12-31 Kabushiki Kaisha Kenwood Tau-dither circuit
EP0493904A3 (en) * 1990-12-31 1992-09-23 American Telephone And Telegraph Company Method and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multiple access communication system
US5274626A (en) * 1989-02-03 1993-12-28 Nec Corporation Earth station capable of carrying out communication without a control station
US5280537A (en) 1991-11-26 1994-01-18 Nippon Telegraph And Telephone Corporation Digital communication system using superposed transmission of high speed and low speed digital signals
US5297162A (en) * 1993-06-04 1994-03-22 Motorola, Inc. System and method for bit timing synchronization in an adaptive direct sequence CDMA communication system
US5301354A (en) * 1989-11-30 1994-04-05 Motorola, Inc. Satellite based global paging system
US5343305A (en) * 1990-10-25 1994-08-30 Oki Electric Industry Co., Ltd. Multiple addressing facsimile system
US5359624A (en) * 1993-06-07 1994-10-25 Motorola, Inc. System and method for chip timing synchronization in an adaptive direct sequence CDMA communication system
WO1994029985A1 (en) * 1993-06-04 1994-12-22 Motorola Inc. A communication method for an adaptive direct sequence cdma communication system
US5454009A (en) * 1994-01-13 1995-09-26 Scientific-Atlanta, Inc. Method and apparatus for providing energy dispersal using frequency diversity in a satellite communications system
US5537397A (en) * 1994-06-07 1996-07-16 Aloha Networks, Inc. Spread aloha CDMA data communications
US5592481A (en) 1995-06-06 1997-01-07 Globalstar L.P. Multiple satellite repeater capacity loading with multiple spread spectrum gateway antennas
US5594780A (en) * 1991-10-10 1997-01-14 Space Systems/Loral, Inc. Satellite communication system that is coupled to a terrestrial communication network and method
US5619525A (en) * 1995-06-06 1997-04-08 Globalstar L.P. Closed loop power control for low earth orbit satellite communications system
US5623269A (en) * 1993-05-07 1997-04-22 Space Systems/Loral, Inc. Mobile communication satellite payload
US5625639A (en) * 1993-10-22 1997-04-29 Nec Corporation Spread spectrum method for transmitting an information signal as a radio signal at a high speed
US5634190A (en) * 1995-06-06 1997-05-27 Globalstar L.P. Low earth orbit communication satellite gateway-to-gateway relay system
US5640386A (en) * 1995-06-06 1997-06-17 Globalstar L.P. Two-system protocol conversion transceiver repeater
US5649318A (en) * 1995-03-24 1997-07-15 Terrastar, Inc. Apparatus for converting an analog c-band broadcast receiver into a system for simultaneously receiving analog and digital c-band broadcast television signals
US5657323A (en) * 1995-07-24 1997-08-12 Motorola, Inc. Method and apparatus for signal transmission in a communication system
US5664006A (en) * 1995-06-07 1997-09-02 Globalstar L.P. Method for accounting for user terminal connection to a satellite communications system
US5697050A (en) * 1995-08-23 1997-12-09 Globalstar L.P. Satellite beam steering reference using terrestrial beam steering terminals
US5734962A (en) * 1996-07-17 1998-03-31 General Electric Company Satellite communications system utilizing parallel concatenated coding
US5745084A (en) * 1994-06-17 1998-04-28 Lusignan; Bruce B. Very small aperture terminal & antenna for use therein
US5745485A (en) * 1995-06-19 1998-04-28 Aloha Networks, Inc. Dual code multiple access for wireless data networks
US5787336A (en) * 1994-11-08 1998-07-28 Space Systems/Loral, Inc. Satellite communication power management system
US5797082A (en) * 1994-06-17 1998-08-18 Terrastar, Inc. Communication receiver for receiving satellite broadcasts
US5802445A (en) * 1995-07-13 1998-09-01 Globalstar L.P. Methods and apparatus for providing user RF exposure monitoring and control in a satellite communications system
US5812932A (en) * 1995-11-17 1998-09-22 Globalstar L.P. Mobile satellite user information request system and methods
US5859874A (en) * 1994-05-09 1999-01-12 Globalstar L.P. Multipath communication system optimizer
US5867109A (en) * 1995-06-06 1999-02-02 Globalstar L.P. Satellite repeater diversity resource management system
US5875180A (en) * 1997-02-06 1999-02-23 Globalstar L.P. Satellite telephone interference avoidance system
US5884142A (en) * 1997-04-15 1999-03-16 Globalstar L.P. Low earth orbit distributed gateway communication system
US5896558A (en) * 1996-12-19 1999-04-20 Globalstar L.P. Interactive fixed and mobile satellite network
US5905943A (en) 1997-04-29 1999-05-18 Globalstar L.P. System for generating and using global radio frequency maps
US5914944A (en) 1995-12-07 1999-06-22 Vistar Telecommunications Inc. Method of improving efficiency of radio channel usage in overlapping coverage areas
US5918157A (en) * 1997-03-18 1999-06-29 Globalstar L.P. Satellite communications system having distributed user assignment and resource assignment with terrestrial gateways
US5956619A (en) 1996-12-12 1999-09-21 Globalstar L.P. Satellite controlled power control for personal communication user terminals
WO1999038336A3 (en) * 1998-01-21 1999-10-28 Globalstar Lp Multiple vocoder mobile satellite telephone system
US5991279A (en) 1995-12-07 1999-11-23 Vistar Telecommunications Inc. Wireless packet data distributed communications system
US6021309A (en) 1997-05-22 2000-02-01 Globalstar L.P. Channel frequency allocation for multiple-satellite communication network
US6021268A (en) 1997-08-21 2000-02-01 Analytical Graphics, Inc. Method and apparatus for modeling receiver bandwidth for telecommunications analysis
CN1049314C (en) * 1993-06-25 2000-02-09 Cd无线电公司 Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites
US6052364A (en) 1997-06-13 2000-04-18 Comsat Corporation CDMA system architecture for satcom terminals
US6064857A (en) 1997-04-15 2000-05-16 Globalstar L.P. Dual mode satellite telephone with hybrid battery/capacitor power supply
US6072768A (en) 1996-09-04 2000-06-06 Globalstar L.P. Automatic satellite/terrestrial mobile terminal roaming system and method
US6081710A (en) 1997-07-10 2000-06-27 Globalstar L.P. Dynamic traffic allocation for power control in multiple satellite communication systems
US6101385A (en) 1997-10-09 2000-08-08 Globalstar L.P. Satellite communication service with non-congruent sub-beam coverage
US6104708A (en) 1997-08-11 2000-08-15 Bbn Corporation Wireless data communications system
US6128487A (en) 1997-04-15 2000-10-03 Globalstar, L.P. Global mobile paging system
US6151313A (en) 1997-06-06 2000-11-21 Aloha Networks, Inc. Baseband phase estimation technique for demodulation of overlapping packets
US6201961B1 (en) 1996-09-13 2001-03-13 Globalstar L. P. Use of reference phone in point-to-point satellite communication system
US6240124B1 (en) 1995-06-06 2001-05-29 Globalstar L.P. Closed loop power control for low earth orbit satellite communications system
US6243409B1 (en) 1997-07-15 2001-06-05 Novatel, Inc. Global navigation satellite system receiver with blanked-PRN code correlation
US6253080B1 (en) 1999-07-08 2001-06-26 Globalstar L.P. Low earth orbit distributed gateway communication system
US6272316B1 (en) 1995-11-17 2001-08-07 Globalstar L.P. Mobile satellite user information request system and methods
US6272325B1 (en) 1995-07-13 2001-08-07 Globalstar L.P. Method and apparatus for considering user terminal transmitted power during operation in a plurality of different communication systems
US6304996B1 (en) 1999-03-08 2001-10-16 General Electric Company High-speed turbo decoder
US20020122468A1 (en) * 2001-01-12 2002-09-05 Terion, Inc. Quasi orthogonal hybrid walsh-PN codes for CDMA application in HF modems
US6463279B1 (en) 1999-11-17 2002-10-08 Globalstar L.P. Channel frequency allocation for multiple-satellite communication network
US6473597B1 (en) 2000-04-12 2002-10-29 Thomas M. Johnson Method and apparatus for modeling transmitter bandwidth for telecommunications analysis
US6516437B1 (en) 2000-03-07 2003-02-04 General Electric Company Turbo decoder control for use with a programmable interleaver, variable block length, and multiple code rates
US6535544B1 (en) * 1997-09-15 2003-03-18 Andrzej Partyka Frequency hopping system for intermittent transmission
US20030115533A1 (en) * 1998-08-21 2003-06-19 Asada Haruhiko H. Source coding for interference reduction
US6587687B1 (en) 1996-10-21 2003-07-01 Globalstar L.P. Multiple satellite fade attenuation control system
US6590889B1 (en) 1997-08-11 2003-07-08 Gte Internetworking Incorporated Data communications system and hybrid time-code multiplexing method
US6594792B1 (en) 1999-04-30 2003-07-15 General Electric Company Modular turbo decoder for expanded code word length
US6625204B1 (en) 1998-04-24 2003-09-23 Aloha Networks, Inc. Synchronization and bit detection in a single spreading sequence SAMA receiver
US20030224798A1 (en) * 2002-05-31 2003-12-04 Serge Willenegger Dynamic channelization code allocation
US6661996B1 (en) 1998-07-14 2003-12-09 Globalstar L.P. Satellite communication system providing multi-gateway diversity to a mobile user terminal
US20040028411A1 (en) * 2002-08-07 2004-02-12 Ses-Americom, Incorporated System and method for transmitting high-bandwidth signals over a satellite communications system
US6715120B1 (en) 1999-04-30 2004-03-30 General Electric Company Turbo decoder with modified input for increased code word length and data rate
US6728293B1 (en) 1999-09-14 2004-04-27 Andrzej Partyka Hopping pattern generation method in frequency hopping system for intermittent transmission
US6731223B1 (en) 2000-01-15 2004-05-04 Andrzej Partyka Meshed telemetry system
US20040092228A1 (en) * 2002-11-07 2004-05-13 Force Charles T. Apparatus and method for enabling use of low power satellites, such as C-band, to broadcast to mobile and non-directional receivers, and signal design therefor
US6870875B1 (en) 1999-09-30 2005-03-22 Andrzej Partyka Transmission of urgent messages in frequency hopping system for intermittent transmission
US6894975B1 (en) 2000-01-15 2005-05-17 Andrzej Partyka Synchronization and access of the nodes in a communications network
US6925105B1 (en) 2000-05-01 2005-08-02 Andrzej Partyka Overhead reduction in system for intermittent transmission
US6940452B2 (en) 2003-09-29 2005-09-06 Northrop Grumman Corporation Reducing co-channel interference in satellite communications systems by antenna re-pointing
US6967974B1 (en) 1999-09-30 2005-11-22 Andrzej Partyka Transmission of urgent messages in telemetry system
US20060268738A1 (en) * 2003-04-23 2006-11-30 Goerke Thomas E Radio network assignment and access system
US20070008916A1 (en) * 1995-12-07 2007-01-11 Hans-Christian Haugli Wireless packet data distributed communications system
US7209495B2 (en) 2000-09-28 2007-04-24 Andrzej Partyka Urgent messages and power-up in frequency hopping system for intemittent transmission
US7224713B2 (en) 1998-04-09 2007-05-29 Andrzej Partyka Telemetry system with authentication
US20070122162A1 (en) * 1999-12-29 2007-05-31 Nortel Networks Limited Method and apparatus for encoding optical power and non-payload data in an optical signal
US7236508B2 (en) * 2001-02-05 2007-06-26 The Directv Group, Inc. Application of complex codes to maximize feeder link utilization
US20070286272A1 (en) * 2000-03-29 2007-12-13 Alereon, Inc. Method and system for fast acquisition of ultra-wideband signals
US20120002760A1 (en) * 2010-07-01 2012-01-05 Intelleflex Corporation Variable length correlator
US20120002701A1 (en) * 2010-06-30 2012-01-05 Comtech Ef Data Corp. Method and System for Transmission of Identification via Metadata for Repeating Relays using Spread-Spectrum Technology
US8913647B2 (en) 2010-04-08 2014-12-16 Comtech Ef Data Corp. Embedded meta-carrier with code progression message reassembly
US9088346B2 (en) 2010-06-30 2015-07-21 Comtech Ef Data Corp. System and method for a broadcast recovery carrier channel for static and dynamic carrier systems
CN108957489B (en) * 2018-05-29 2022-04-05 中国科学院光电研究院 A ground test and verification system and method for enhanced signal of low-orbit satellite navigation
US11647478B2 (en) * 2014-01-22 2023-05-09 Maxlinear, Inc. Network discovery in an autoconfigured backhaul transceiver

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596002A (en) * 1968-10-24 1971-07-27 Telefunken Patent System for transmitting binary-coded data
FR2135029B1 (en) * 1971-04-06 1974-03-22 Thomson Csf
US4135156A (en) * 1974-06-20 1979-01-16 Sanders Associates, Inc. Satellite communications system incorporating ground relay station through which messages between terminal stations are routed
US4030033A (en) * 1975-06-13 1977-06-14 Lowell Technological Institute Research Foundation Method and apparatus for transmitting messages to and from remote locations
DE2632615C3 (en) * 1976-07-20 1979-08-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Satellite communication system
US4114155A (en) * 1976-07-30 1978-09-12 Cincinnati Electronics Corporation Position determining apparatus and method
US4164628A (en) * 1977-06-06 1979-08-14 International Telephone And Telegraph Corporation Processor for multiple, continuous, spread spectrum signals
US4291409A (en) * 1978-06-20 1981-09-22 The Mitre Corporation Spread spectrum communications method and apparatus
US4426712A (en) * 1981-05-22 1984-01-17 Massachusetts Institute Of Technology Correlation system for global position receiver

Cited By (136)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4894841A (en) 1987-06-26 1990-01-16 Selenia Spazio S.P.A. Digital direct-sequence spread-spectrum modem
US5274626A (en) * 1989-02-03 1993-12-28 Nec Corporation Earth station capable of carrying out communication without a control station
US5077754A (en) * 1989-04-24 1991-12-31 Kabushiki Kaisha Kenwood Tau-dither circuit
US5301354A (en) * 1989-11-30 1994-04-05 Motorola, Inc. Satellite based global paging system
US5063571A (en) 1989-12-27 1991-11-05 Nynex Corporation Method and apparatus for increasing the data rate for a given symbol rate in a spread spectrum system
US5073900A (en) * 1990-03-19 1991-12-17 Mallinckrodt Albert J Integrated cellular communications system
US5339330A (en) * 1990-03-19 1994-08-16 David D. Otten Integrated cellular communications system
US5343305A (en) * 1990-10-25 1994-08-30 Oki Electric Industry Co., Ltd. Multiple addressing facsimile system
EP0493904A3 (en) * 1990-12-31 1992-09-23 American Telephone And Telegraph Company Method and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multiple access communication system
US5594780A (en) * 1991-10-10 1997-01-14 Space Systems/Loral, Inc. Satellite communication system that is coupled to a terrestrial communication network and method
US5280537A (en) 1991-11-26 1994-01-18 Nippon Telegraph And Telephone Corporation Digital communication system using superposed transmission of high speed and low speed digital signals
US5623269A (en) * 1993-05-07 1997-04-22 Space Systems/Loral, Inc. Mobile communication satellite payload
US5297162A (en) * 1993-06-04 1994-03-22 Motorola, Inc. System and method for bit timing synchronization in an adaptive direct sequence CDMA communication system
WO1994029985A1 (en) * 1993-06-04 1994-12-22 Motorola Inc. A communication method for an adaptive direct sequence cdma communication system
US5359624A (en) * 1993-06-07 1994-10-25 Motorola, Inc. System and method for chip timing synchronization in an adaptive direct sequence CDMA communication system
CN1049314C (en) * 1993-06-25 2000-02-09 Cd无线电公司 Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites
US5625639A (en) * 1993-10-22 1997-04-29 Nec Corporation Spread spectrum method for transmitting an information signal as a radio signal at a high speed
US5454009A (en) * 1994-01-13 1995-09-26 Scientific-Atlanta, Inc. Method and apparatus for providing energy dispersal using frequency diversity in a satellite communications system
US5859874A (en) * 1994-05-09 1999-01-12 Globalstar L.P. Multipath communication system optimizer
US5537397A (en) * 1994-06-07 1996-07-16 Aloha Networks, Inc. Spread aloha CDMA data communications
US6075969A (en) 1994-06-17 2000-06-13 Terrastar, Inc. Method for receiving signals from a constellation of satellites in close geosynchronous orbit
US5930680A (en) 1994-06-17 1999-07-27 Terrastar, Inc. Method and system for transceiving signals using a constellation of satellites in close geosynchronous orbit
US5913151A (en) 1994-06-17 1999-06-15 Terrastar, Inc. Small antenna for receiving signals from constellation of satellites in close geosynchronous orbit
US5797082A (en) * 1994-06-17 1998-08-18 Terrastar, Inc. Communication receiver for receiving satellite broadcasts
US5745084A (en) * 1994-06-17 1998-04-28 Lusignan; Bruce B. Very small aperture terminal & antenna for use therein
US5787336A (en) * 1994-11-08 1998-07-28 Space Systems/Loral, Inc. Satellite communication power management system
US5826170A (en) * 1994-11-08 1998-10-20 Space Systems/Loral, Inc. Satellite communication power management system
US5649318A (en) * 1995-03-24 1997-07-15 Terrastar, Inc. Apparatus for converting an analog c-band broadcast receiver into a system for simultaneously receiving analog and digital c-band broadcast television signals
US5758261A (en) * 1995-06-06 1998-05-26 Globalstar L.P. Low earth orbit communication satellite gateway-to-gateway relay system
US5867109A (en) * 1995-06-06 1999-02-02 Globalstar L.P. Satellite repeater diversity resource management system
US6097752A (en) 1995-06-06 2000-08-01 Globalstar L.P. Closed loop power control for low earth orbit satellite communications system
US5592481A (en) 1995-06-06 1997-01-07 Globalstar L.P. Multiple satellite repeater capacity loading with multiple spread spectrum gateway antennas
US5619525A (en) * 1995-06-06 1997-04-08 Globalstar L.P. Closed loop power control for low earth orbit satellite communications system
US5634190A (en) * 1995-06-06 1997-05-27 Globalstar L.P. Low earth orbit communication satellite gateway-to-gateway relay system
US6240124B1 (en) 1995-06-06 2001-05-29 Globalstar L.P. Closed loop power control for low earth orbit satellite communications system
US5812538A (en) * 1995-06-06 1998-09-22 Globalstar L.P. Multiple satellite repeater capacity loading with multiple spread spectrum gateway antennas
US5640386A (en) * 1995-06-06 1997-06-17 Globalstar L.P. Two-system protocol conversion transceiver repeater
US6654357B1 (en) 1995-06-06 2003-11-25 Globalstar L.P. Satellite repeater diversity resource management system
US5664006A (en) * 1995-06-07 1997-09-02 Globalstar L.P. Method for accounting for user terminal connection to a satellite communications system
US6023606A (en) 1995-06-07 2000-02-08 Globalstar L.P. Method for accounting for user terminal connection to a satellite communications system
US5745485A (en) * 1995-06-19 1998-04-28 Aloha Networks, Inc. Dual code multiple access for wireless data networks
US6272325B1 (en) 1995-07-13 2001-08-07 Globalstar L.P. Method and apparatus for considering user terminal transmitted power during operation in a plurality of different communication systems
US6134423A (en) * 1995-07-13 2000-10-17 Globalstar L.P. Satellite communications system having gateway-based user RF exposure monitoring and control
US5802445A (en) * 1995-07-13 1998-09-01 Globalstar L.P. Methods and apparatus for providing user RF exposure monitoring and control in a satellite communications system
US5657323A (en) * 1995-07-24 1997-08-12 Motorola, Inc. Method and apparatus for signal transmission in a communication system
US5758260A (en) * 1995-08-23 1998-05-26 Globalstar L.P. Satellite beam steering reference using terrestrial beam steering terminals
US5697050A (en) * 1995-08-23 1997-12-09 Globalstar L.P. Satellite beam steering reference using terrestrial beam steering terminals
US5812932A (en) * 1995-11-17 1998-09-22 Globalstar L.P. Mobile satellite user information request system and methods
US6272316B1 (en) 1995-11-17 2001-08-07 Globalstar L.P. Mobile satellite user information request system and methods
US5914944A (en) 1995-12-07 1999-06-22 Vistar Telecommunications Inc. Method of improving efficiency of radio channel usage in overlapping coverage areas
US5991279A (en) 1995-12-07 1999-11-23 Vistar Telecommunications Inc. Wireless packet data distributed communications system
US20020089956A1 (en) * 1995-12-07 2002-07-11 Hans-Christian Haugli Wireless packet data distributed communications system
US7590083B2 (en) 1995-12-07 2009-09-15 Transcore Link Logistics Corp. Wireless packet data distributed communications system
US7142521B2 (en) 1995-12-07 2006-11-28 Transcore Link Logistics Corporation Wireless packet data distributed communications system
US20070008916A1 (en) * 1995-12-07 2007-01-11 Hans-Christian Haugli Wireless packet data distributed communications system
US5734962A (en) * 1996-07-17 1998-03-31 General Electric Company Satellite communications system utilizing parallel concatenated coding
US6233463B1 (en) 1996-09-04 2001-05-15 Globalstar L.P. Automatic satellite terrestrial mobile terminal roaming system and method
US6072768A (en) 1996-09-04 2000-06-06 Globalstar L.P. Automatic satellite/terrestrial mobile terminal roaming system and method
US6201961B1 (en) 1996-09-13 2001-03-13 Globalstar L. P. Use of reference phone in point-to-point satellite communication system
US6587687B1 (en) 1996-10-21 2003-07-01 Globalstar L.P. Multiple satellite fade attenuation control system
US5956619A (en) 1996-12-12 1999-09-21 Globalstar L.P. Satellite controlled power control for personal communication user terminals
US6085067A (en) 1996-12-12 2000-07-04 Globalstar L.P. Satellite controlled power control for personal communication user terminals
US6160994A (en) 1996-12-19 2000-12-12 Globalstar L.P. Interactive fixed and mobile satellite network
US5896558A (en) * 1996-12-19 1999-04-20 Globalstar L.P. Interactive fixed and mobile satellite network
US6023463A (en) 1997-02-06 2000-02-08 Globalstar L.P. Satellite telephone interference avoidance system
US5875180A (en) * 1997-02-06 1999-02-23 Globalstar L.P. Satellite telephone interference avoidance system
US5918157A (en) * 1997-03-18 1999-06-29 Globalstar L.P. Satellite communications system having distributed user assignment and resource assignment with terrestrial gateways
US6064857A (en) 1997-04-15 2000-05-16 Globalstar L.P. Dual mode satellite telephone with hybrid battery/capacitor power supply
US6272339B1 (en) 1997-04-15 2001-08-07 Globalstar L.P. Global mobile paging system
US5884142A (en) * 1997-04-15 1999-03-16 Globalstar L.P. Low earth orbit distributed gateway communication system
US6128487A (en) 1997-04-15 2000-10-03 Globalstar, L.P. Global mobile paging system
US5905943A (en) 1997-04-29 1999-05-18 Globalstar L.P. System for generating and using global radio frequency maps
US6125260A (en) 1997-04-29 2000-09-26 Globalstar, L.P. System for generating and using global radio frequency maps
US6021309A (en) 1997-05-22 2000-02-01 Globalstar L.P. Channel frequency allocation for multiple-satellite communication network
US6151313A (en) 1997-06-06 2000-11-21 Aloha Networks, Inc. Baseband phase estimation technique for demodulation of overlapping packets
US6052364A (en) 1997-06-13 2000-04-18 Comsat Corporation CDMA system architecture for satcom terminals
US6081710A (en) 1997-07-10 2000-06-27 Globalstar L.P. Dynamic traffic allocation for power control in multiple satellite communication systems
US6243409B1 (en) 1997-07-15 2001-06-05 Novatel, Inc. Global navigation satellite system receiver with blanked-PRN code correlation
US6590889B1 (en) 1997-08-11 2003-07-08 Gte Internetworking Incorporated Data communications system and hybrid time-code multiplexing method
US6104708A (en) 1997-08-11 2000-08-15 Bbn Corporation Wireless data communications system
US6021268A (en) 1997-08-21 2000-02-01 Analytical Graphics, Inc. Method and apparatus for modeling receiver bandwidth for telecommunications analysis
US6700920B1 (en) 1997-09-15 2004-03-02 Andrzej Partyka Frequency hopping system for intermittent transmission
US6535544B1 (en) * 1997-09-15 2003-03-18 Andrzej Partyka Frequency hopping system for intermittent transmission
US6301476B1 (en) 1997-10-09 2001-10-09 Globalstar L.P. Satellite communication service with non-congruent sub-beam coverage
US6101385A (en) 1997-10-09 2000-08-08 Globalstar L.P. Satellite communication service with non-congruent sub-beam coverage
WO1999038336A3 (en) * 1998-01-21 1999-10-28 Globalstar Lp Multiple vocoder mobile satellite telephone system
US6418147B1 (en) * 1998-01-21 2002-07-09 Globalstar Lp Multiple vocoder mobile satellite telephone system
US7224713B2 (en) 1998-04-09 2007-05-29 Andrzej Partyka Telemetry system with authentication
US6625204B1 (en) 1998-04-24 2003-09-23 Aloha Networks, Inc. Synchronization and bit detection in a single spreading sequence SAMA receiver
US6661996B1 (en) 1998-07-14 2003-12-09 Globalstar L.P. Satellite communication system providing multi-gateway diversity to a mobile user terminal
US7376105B2 (en) * 1998-08-21 2008-05-20 Massachusetts Institute Of Technology Source coding for interference reduction
US20030115533A1 (en) * 1998-08-21 2003-06-19 Asada Haruhiko H. Source coding for interference reduction
US6304996B1 (en) 1999-03-08 2001-10-16 General Electric Company High-speed turbo decoder
US6594792B1 (en) 1999-04-30 2003-07-15 General Electric Company Modular turbo decoder for expanded code word length
US6715120B1 (en) 1999-04-30 2004-03-30 General Electric Company Turbo decoder with modified input for increased code word length and data rate
US6735440B2 (en) 1999-07-08 2004-05-11 Globalstar L.P. Low earth orbit distributed gateway communication system
US6253080B1 (en) 1999-07-08 2001-06-26 Globalstar L.P. Low earth orbit distributed gateway communication system
US6728293B1 (en) 1999-09-14 2004-04-27 Andrzej Partyka Hopping pattern generation method in frequency hopping system for intermittent transmission
US6967974B1 (en) 1999-09-30 2005-11-22 Andrzej Partyka Transmission of urgent messages in telemetry system
US6870875B1 (en) 1999-09-30 2005-03-22 Andrzej Partyka Transmission of urgent messages in frequency hopping system for intermittent transmission
US6463279B1 (en) 1999-11-17 2002-10-08 Globalstar L.P. Channel frequency allocation for multiple-satellite communication network
US20070122162A1 (en) * 1999-12-29 2007-05-31 Nortel Networks Limited Method and apparatus for encoding optical power and non-payload data in an optical signal
US7346284B2 (en) * 1999-12-29 2008-03-18 Nortel Networks Limited Method and apparatus for encoding optical power and non-payload data in an optical signal
US6731223B1 (en) 2000-01-15 2004-05-04 Andrzej Partyka Meshed telemetry system
US6894975B1 (en) 2000-01-15 2005-05-17 Andrzej Partyka Synchronization and access of the nodes in a communications network
US6516437B1 (en) 2000-03-07 2003-02-04 General Electric Company Turbo decoder control for use with a programmable interleaver, variable block length, and multiple code rates
US20070286272A1 (en) * 2000-03-29 2007-12-13 Alereon, Inc. Method and system for fast acquisition of ultra-wideband signals
US7492811B2 (en) * 2000-03-29 2009-02-17 Alereon, Inc. Method and system for fast acquisition of ultra-wideband signals
US6473597B1 (en) 2000-04-12 2002-10-29 Thomas M. Johnson Method and apparatus for modeling transmitter bandwidth for telecommunications analysis
US6925105B1 (en) 2000-05-01 2005-08-02 Andrzej Partyka Overhead reduction in system for intermittent transmission
US7209495B2 (en) 2000-09-28 2007-04-24 Andrzej Partyka Urgent messages and power-up in frequency hopping system for intemittent transmission
US20020122468A1 (en) * 2001-01-12 2002-09-05 Terion, Inc. Quasi orthogonal hybrid walsh-PN codes for CDMA application in HF modems
US7236508B2 (en) * 2001-02-05 2007-06-26 The Directv Group, Inc. Application of complex codes to maximize feeder link utilization
US8699505B2 (en) 2002-05-31 2014-04-15 Qualcomm Incorporated Dynamic channelization code allocation
US20030224798A1 (en) * 2002-05-31 2003-12-04 Serge Willenegger Dynamic channelization code allocation
US20040028411A1 (en) * 2002-08-07 2004-02-12 Ses-Americom, Incorporated System and method for transmitting high-bandwidth signals over a satellite communications system
US20040092228A1 (en) * 2002-11-07 2004-05-13 Force Charles T. Apparatus and method for enabling use of low power satellites, such as C-band, to broadcast to mobile and non-directional receivers, and signal design therefor
US8335515B2 (en) 2003-04-23 2012-12-18 Thiss Technologies Pte Ltd Radio network assignment and access system
US20060268738A1 (en) * 2003-04-23 2006-11-30 Goerke Thomas E Radio network assignment and access system
US6940452B2 (en) 2003-09-29 2005-09-06 Northrop Grumman Corporation Reducing co-channel interference in satellite communications systems by antenna re-pointing
US8913647B2 (en) 2010-04-08 2014-12-16 Comtech Ef Data Corp. Embedded meta-carrier with code progression message reassembly
US8755425B2 (en) * 2010-06-30 2014-06-17 Comtech Ef Data Corp. Method and system for transmission of identification via metadata for repeating relays using spread-spectrum technology
US20120002701A1 (en) * 2010-06-30 2012-01-05 Comtech Ef Data Corp. Method and System for Transmission of Identification via Metadata for Repeating Relays using Spread-Spectrum Technology
US9088346B2 (en) 2010-06-30 2015-07-21 Comtech Ef Data Corp. System and method for a broadcast recovery carrier channel for static and dynamic carrier systems
US8774710B2 (en) 2010-07-01 2014-07-08 Intelleflex Corporation Dynamic signal detection threshold
US8774329B2 (en) * 2010-07-01 2014-07-08 Intelleflex Corporation Variable length correlator
US20120002760A1 (en) * 2010-07-01 2012-01-05 Intelleflex Corporation Variable length correlator
US8824607B2 (en) 2010-07-01 2014-09-02 Intelleflex Corporation Subcarrier frequency acquisition and complex derotation to baseband
US8731118B2 (en) 2010-07-01 2014-05-20 Intelleflex Corporation Data clock recovery loop jam set using subcarrier frequency estimate
US8723651B2 (en) 2010-07-01 2014-05-13 Intelleflex Corporation Variable rate preamble detection using ratiometric methods
US9183418B2 (en) 2010-07-01 2015-11-10 Intelleflex Corporation Half bit correlator combining for data demodulation
US9224016B2 (en) 2010-07-01 2015-12-29 Intelleflex Corporation Automatic gain control and baseband preintegration to reduce computation requirements at lower data rates
US9230141B2 (en) 2010-07-01 2016-01-05 Intelleflex Corporation RSSI estimate on variable length correlator output
US9361488B2 (en) 2010-07-01 2016-06-07 Intelleflex Corporation Single or dual complex subcarrier downconversion
US11647478B2 (en) * 2014-01-22 2023-05-09 Maxlinear, Inc. Network discovery in an autoconfigured backhaul transceiver
CN108957489B (en) * 2018-05-29 2022-04-05 中国科学院光电研究院 A ground test and verification system and method for enhanced signal of low-orbit satellite navigation

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