MX9709884A - Capacidad de carga del repetidor de multiples satelites con antenas de compuerta de multiple espectro esparcido. - Google Patents

Capacidad de carga del repetidor de multiples satelites con antenas de compuerta de multiple espectro esparcido.

Info

Publication number
MX9709884A
MX9709884A MX9709884A MX9709884A MX9709884A MX 9709884 A MX9709884 A MX 9709884A MX 9709884 A MX9709884 A MX 9709884A MX 9709884 A MX9709884 A MX 9709884A MX 9709884 A MX9709884 A MX 9709884A
Authority
MX
Mexico
Prior art keywords
satellite
elevation angle
communication link
highest elevation
spread spectrum
Prior art date
Application number
MX9709884A
Other languages
English (en)
Inventor
Robert A Wiedeman
Paul A Monte
Stephen S Carter
William Ames
Original Assignee
Globalstar Lp
Qualcomm 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 Globalstar Lp, Qualcomm Inc filed Critical Globalstar Lp
Publication of MX9709884A publication Critical patent/MX9709884A/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18539Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
    • H04B7/18541Arrangements for managing radio, resources, i.e. for establishing or releasing a connection for handover of resources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18532Arrangements for managing transmission, i.e. for transporting data or a signalling message
    • H04B7/18534Arrangements for managing transmission, i.e. for transporting data or a signalling message for enhancing link reliablility, e.g. satellites diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18539Arrangements for managing radio, resources, i.e. for establishing or releasing a connection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Un sistema y método para asignar tráfico de comunicacion a través de satélites en orbita terrestre baja; cada satélite es orientado, en cualquier momento dado cuando está a la vista de una estacion terrestre, a un ángulo de elevacion particular; el método incluye: proveer cada satélite con un receptor para recibir comunicacion de la estacion terrestre y un transmisor para transmitir comunicacion a terminales de usuario; en respuesta a una solicitud por servicio, determinar si un satélite con ángulo de elevacion mayor puede ser asignado un enlace nuevo de comunicacion; de ser así, asignar un enlace nuevo de comunicacion al satélite con ángulo de elevacion mayor; de no ser así, determinar si un segundo satélite con ángulo de elevacion mayor puede ser asignado un enlace nuevo de comunicacion; y de ser así, asignar un enlace nuevo de comunicacion al segundo satélite con ángulo de elevacion mayor; la asignacion depende del numero de enlaces de comunicacion y/o nivel de energía del haz del satélite; de preferencia, las terminales de usuario emplean recepcion de diversidad.
MX9709884A 1995-06-06 1997-12-08 Capacidad de carga del repetidor de multiples satelites con antenas de compuerta de multiple espectro esparcido. MX9709884A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/465,972 US5592481A (en) 1995-06-06 1995-06-06 Multiple satellite repeater capacity loading with multiple spread spectrum gateway antennas

Publications (1)

Publication Number Publication Date
MX9709884A true MX9709884A (es) 1998-08-30

Family

ID=23849927

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9709884A MX9709884A (es) 1995-06-06 1997-12-08 Capacidad de carga del repetidor de multiples satelites con antenas de compuerta de multiple espectro esparcido.

Country Status (13)

Country Link
US (2) US5592481A (es)
EP (1) EP0748062A3 (es)
JP (1) JPH08331030A (es)
KR (1) KR970004436A (es)
CN (1) CN1141543A (es)
AU (1) AU695589B2 (es)
BR (1) BR9608951A (es)
CA (1) CA2172303A1 (es)
MX (1) MX9709884A (es)
RU (1) RU2136108C1 (es)
TW (1) TW310507B (es)
UA (1) UA42068C2 (es)
WO (1) WO1996039756A1 (es)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859874A (en) * 1994-05-09 1999-01-12 Globalstar L.P. Multipath communication system optimizer
US5918155A (en) * 1995-03-13 1999-06-29 Hitachi, Ltd. Satellite communication system and method thereof
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US6885652B1 (en) * 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US6108364A (en) * 1995-08-31 2000-08-22 Qualcomm Incorporated Time division duplex repeater for use in a CDMA system
US6272316B1 (en) * 1995-11-17 2001-08-07 Globalstar L.P. Mobile satellite user information request system and methods
US5722049A (en) * 1995-12-05 1998-02-24 Ericsson Inc. Mobile-link system for a radio communication system wherein diversity combining is performed only for edge/boundary zone signals and not for central zone signals
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
US6072768A (en) * 1996-09-04 2000-06-06 Globalstar L.P. Automatic satellite/terrestrial mobile terminal roaming system and method
US5978363A (en) * 1996-10-18 1999-11-02 Telogy Networks, Inc. System and method for multi-dimensional resource scheduling
GB2321374A (en) * 1997-01-21 1998-07-22 Ico Services Ltd Spread spectrum satellite communication
BR9808170A (pt) * 1997-03-04 2000-05-16 Qualcomm Inc Arquitetura de um sistema de comunicação para múltiplos usuários com transmissores distribuìdos
FR2761557B1 (fr) * 1997-03-28 1999-04-30 Alsthom Cge Alcatel Procede de transmission sur une pluralite de supports de transmission, a repartition dynamique des donnees, et emetteur et terminal correspondants
US6021309A (en) * 1997-05-22 2000-02-01 Globalstar L.P. Channel frequency allocation for multiple-satellite communication network
US5995495A (en) * 1997-05-23 1999-11-30 Mci Communications Corporation Method of and system for providing geographically targeted broadcast satellite service
US6931232B1 (en) 1997-07-01 2005-08-16 Northrop Grumman Corporation Bi-static communication relay architecture
WO1999003212A1 (en) * 1997-07-14 1999-01-21 Hughes Electronics Corporation Signaling maintenance for discontinuous information communications
US5940379A (en) * 1997-07-23 1999-08-17 Motorola, Inc. Apparatus and method for using multiple spreading codes for data transmission in a satellite communication system
US6049566A (en) * 1997-07-24 2000-04-11 Trw Inc. High efficiency signaling with minimum spacecraft hardware
US6484012B1 (en) * 1997-08-04 2002-11-19 Wireless Facilities, Inc. Inter-band communication repeater system
US6138012A (en) * 1997-08-04 2000-10-24 Motorola, Inc. Method and apparatus for reducing signal blocking in a satellite communication system
US6212378B1 (en) * 1997-09-17 2001-04-03 Lockheed Martin Corp. Spacecraft cellular communication system in which the return control receive slot duration is a function of antenna beam direction
US6173178B1 (en) * 1997-12-16 2001-01-09 Trw Inc. Satellite beam pattern for non-uniform population distribution
US6058135A (en) * 1998-02-26 2000-05-02 Stanford Telecommunications, Inc. Quasi-optimal receiver for tracking and acquisition of a split spectrum PN GPS C/A signal
US6246874B1 (en) * 1998-04-29 2001-06-12 Hughes Electronics Corporation Method and apparatus for predicting spot beam and satellite handover in a mobile satellite communication network
US6173156B1 (en) * 1998-05-04 2001-01-09 Motorola, Inc. Global message delivery system and method using GEO and Non-GEO satellites
US6301231B1 (en) * 1998-06-02 2001-10-09 Amer A. Hassan Satellite communication system with variable rate satellite link diversity
US6661996B1 (en) 1998-07-14 2003-12-09 Globalstar L.P. Satellite communication system providing multi-gateway diversity to a mobile user terminal
US6775251B1 (en) * 1998-09-17 2004-08-10 Globalstar L.P. Satellite communication system providing multi-gateway diversity and improved satellite loading
US6865166B1 (en) * 1998-11-06 2005-03-08 Northrop Grumman Corporation Interference management of a processing communications satellite
US6198921B1 (en) * 1998-11-16 2001-03-06 Emil Youssefzadeh Method and system for providing rural subscriber telephony service using an integrated satellite/cell system
US6337980B1 (en) 1999-03-18 2002-01-08 Hughes Electronics Corporation Multiple satellite mobile communications method and apparatus for hand-held terminals
US6678520B1 (en) 1999-01-07 2004-01-13 Hughes Electronics Corporation Method and apparatus for providing wideband services using medium and low earth orbit satellites
US6990314B1 (en) 1999-03-18 2006-01-24 The Directv Group, Inc. Multi-node point-to-point satellite communication system employing multiple geo satellites
EP1056224A1 (en) * 1999-05-27 2000-11-29 ICO Services Ltd. Satellite elevation used for selectably providing service to a user
US6418312B1 (en) 1999-08-30 2002-07-09 Motorola, Inc. Management of perferred communications periods in a satellite communication system
US6463279B1 (en) * 1999-11-17 2002-10-08 Globalstar L.P. Channel frequency allocation for multiple-satellite communication network
US6459898B1 (en) * 1999-11-19 2002-10-01 Comsat Corporation Information traffic and performance monitoring for multi-beam satellites with on-board switching
US6788917B1 (en) * 2000-01-19 2004-09-07 Ericsson Inc. Timing systems and methods for forward link diversity in satellite radiotelephone systems
US6459989B1 (en) * 2000-03-03 2002-10-01 Sri International Portable integrated indoor and outdoor positioning system and method
US6441782B2 (en) * 2000-04-14 2002-08-27 Hughes Electronics Corporation Method and system of directing an antenna in a two-way satellite system
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
US6567645B1 (en) 2000-08-28 2003-05-20 Globalstar L.P. Multiple satellite repeater management system using frame error rate for diversity selection
US6941138B1 (en) 2000-09-05 2005-09-06 The Directv Group, Inc. Concurrent communications between a user terminal and multiple stratospheric transponder platforms
US7180873B1 (en) 2000-10-06 2007-02-20 Globalstar, Inc. Spread spectrum code division destination access (SS-CDDA) for satellite communication system with distributed gateways
US7583728B2 (en) * 2002-10-25 2009-09-01 The Directv Group, Inc. Equalizers for layered modulated and other signals
US7423987B2 (en) * 2001-04-27 2008-09-09 The Directv Group, Inc. Feeder link configurations to support layered modulation for digital signals
US7184489B2 (en) 2001-04-27 2007-02-27 The Directv Group, Inc. Optimization technique for layered modulation
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
US7483505B2 (en) * 2001-04-27 2009-01-27 The Directv Group, Inc. Unblind equalizer architecture for digital communication systems
US7471735B2 (en) * 2001-04-27 2008-12-30 The Directv Group, Inc. Maximizing power and spectral efficiencies for layered and conventional modulations
US7502430B2 (en) 2001-04-27 2009-03-10 The Directv Group, Inc. Coherent averaging for measuring traveling wave tube amplifier nonlinearity
US8005035B2 (en) * 2001-04-27 2011-08-23 The Directv Group, Inc. Online output multiplexer filter measurement
US7209524B2 (en) * 2001-04-27 2007-04-24 The Directv Group, Inc. Layered modulation for digital signals
US7639759B2 (en) 2001-04-27 2009-12-29 The Directv Group, Inc. Carrier to noise ratio estimations from a received signal
US6807158B2 (en) * 2001-08-07 2004-10-19 Hrl Laboratories, Llc Method and apparatus for determining position and trajectory of gateways to optimize performance in hybrid non-terrestrial-terrestrial multi-hop mobile networks
US20030081582A1 (en) * 2001-10-25 2003-05-01 Nikhil Jain Aggregating multiple wireless communication channels for high data rate transfers
US6990317B2 (en) * 2002-05-28 2006-01-24 Wireless Innovation Interference resistant wireless sensor and control system
TWI324463B (en) 2002-07-01 2010-05-01 Hughes Electronics Corp Improving hierarchical 8psk performance
EP1529347B1 (en) 2002-07-03 2016-08-24 The Directv Group, Inc. Method and apparatus for layered modulation
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
CA2503530C (en) 2002-10-25 2009-12-22 The Directv Group, Inc. Lower complexity layered modulation signal processor
US7340213B2 (en) * 2003-07-30 2008-03-04 Atc Technologies, Llc Intra- and/or inter-system interference reducing systems and methods for satellite communications systems
US7502429B2 (en) * 2003-10-10 2009-03-10 The Directv Group, Inc. Equalization for traveling wave tube amplifier nonlinearity measurements
EP1704656A4 (en) * 2003-12-29 2011-08-17 Peersat Llc CROSSLINK COMMUNICATION SYSTEM BETWEEN SATELLITES, DEVICE, PROCESS, AND COMPUTER PROGRAM PRODUCT
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
US8340574B2 (en) * 2009-08-14 2012-12-25 Emc Satcom Technologies, Llc System and method for enabling ultra small aperture communication antenna using spectral replication and coherent frequency and phase combining
US8285203B2 (en) * 2009-08-14 2012-10-09 Emc Satcom Technologies, Llc System and method for enabling ultra small aperture communication antenna using spectral replication and coherent frequency and phase combining
US8604925B2 (en) * 2009-10-23 2013-12-10 Globalstar, Inc. Simplex personal and asset tracker
US8676121B1 (en) 2011-05-31 2014-03-18 Globalstar, Inc. Method and apparatus for transmitting message from short-range wireless device over a satellite network
US9577704B2 (en) 2012-03-01 2017-02-21 The Boeing Company Satellite communications management system
US9042295B1 (en) * 2012-03-01 2015-05-26 The Boeing Company Transponded anti-jam satellite communications
SG11201405864TA (en) 2012-03-19 2014-10-30 Robert K Buckle Apparatus, method and system for integrating mobile and satellite phone service
CN106797591A (zh) 2014-03-07 2017-05-31 环球星公司 具有卫星接入以允许蜂窝装置在卫星网络上漫游的蜂窝塔台功能性
US9930091B2 (en) 2015-02-10 2018-03-27 Viasat, Inc. Transport path-aware quality of service for mobile communications
CN104639642B (zh) * 2015-02-12 2018-08-28 清华大学 空间互联网信息服务系统及方法
US9628168B2 (en) 2015-02-26 2017-04-18 Space Systems/Loral, Llc Dynamic link adaption and/or dynamic allocation of communication resources of a communication system based on external interference information received from external interference information sources
FR3045990B1 (fr) * 2015-12-18 2018-02-02 Airbus Defence And Space Sas Procede et systeme d'acquisition d'images par une constellation de satellites d'observation
EP3417551B1 (en) 2016-02-15 2021-12-22 Qualcomm Incorporated Ephemeris information management for satellite communication
CN106571865B (zh) * 2016-11-14 2020-02-18 上海微小卫星工程中心 卫星星群的遥测数据接入传输方法
RU2663193C1 (ru) * 2017-04-03 2018-08-02 федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия связи имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации Способ определения местоположения земной станции спутниковой связи по ретранслированному сигналу
CN109560860B (zh) * 2018-12-25 2021-02-09 长沙天仪空间科技研究院有限公司 一种卫星通信路由方法和系统
RU2749456C1 (ru) * 2020-08-11 2021-06-11 Общество с ограниченной ответственностью "Специальный Технологический Центр" Способ определения местоположения земной станции спутниковой связи по ретранслированному сигналу
RU2755058C1 (ru) * 2020-10-15 2021-09-14 Общество с ограниченной ответственностью "Специальный Технологический Центр" Способ определения местоположения земной станции спутниковой связи по ретранслированному сигналу
EP4283885A4 (en) * 2021-01-22 2024-03-27 Beijing Xiaomi Mobile Software Co Ltd WIRELESS COMMUNICATION METHOD AND APPARATUS, AND COMMUNICATION DEVICE AND STORAGE MEDIUM
CN113297780B (zh) * 2021-07-27 2021-10-12 湖南卫导信息科技有限公司 载体遮挡与多径信号的高速仿真方法、装置、介质及设备
CN113676264B (zh) * 2021-08-03 2023-06-30 中国信息通信研究院 用于测试卫星通信系统性能的系统及方法、装置、设备

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US32905A (en) * 1861-07-23 Daniel B Waite Watch and socket rim
USRE32905F1 (en) * 1980-10-20 1992-11-10 Satellite communications system and apparatus
US5303286A (en) * 1991-03-29 1994-04-12 Space Systems/Loral, Inc. Wireless telephone/satellite roaming system
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
GB8801008D0 (en) * 1988-01-18 1988-02-17 British Aerospace Acquisition system for multiple access optical communication system
IL91529A0 (en) * 1988-10-28 1990-04-29 Motorola Inc Satellite cellular telephone and data communication system
AU5813090A (en) * 1989-04-25 1990-11-16 Geostar Corporation Communication system employing multiple relay satellites operating on common downlink frequency
US5161248A (en) * 1989-10-02 1992-11-03 Motorola, Inc. Method of predicting cell-to-cell hand-offs for a satellite cellular communications system
JPH03146890A (ja) * 1989-11-02 1991-06-21 Pioneer Electron Corp Gps受信機の衛星電波捕捉方式
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5010317A (en) * 1989-11-30 1991-04-23 Motorola, Inc. Satellite based simulcast paging system
DK0505489T3 (da) * 1989-12-14 1998-07-27 Motorola Inc Satellitbaseret bekræftelses-bagud søgesystem
US5446756A (en) * 1990-03-19 1995-08-29 Celsat America, Inc. Integrated cellular communications system
US5073900A (en) * 1990-03-19 1991-12-17 Mallinckrodt Albert J Integrated cellular communications system
US5081703A (en) * 1990-06-27 1992-01-14 Pactel Corporation Satellite mobile communication system for rural service areas
US5216427A (en) * 1990-11-01 1993-06-01 California Institute Of Technology Land-mobile satellite communication system
US5239671A (en) * 1990-11-13 1993-08-24 Pagemart, Inc. Simulcast satellite paging system with provision for signal interruption
US5433726A (en) * 1991-04-22 1995-07-18 Trw Inc. Medium-earth-altitude satellite-based cellular telecommunications system
US5439190A (en) * 1991-04-22 1995-08-08 Trw Inc. Medium-earth-altitude satellite-based cellular telecommunications
FR2681995B1 (fr) * 1991-10-01 1993-12-10 Alcatel Espace Procede de basculement du trafic dans un systeme de communications par satellites en orbite basse a destination de terminaux et systeme de communications mettant en óoeuvre un tel procede.
US5526404A (en) * 1991-10-10 1996-06-11 Space Systems/Loral, Inc. Worldwide satellite telephone system and a network coordinating gateway for allocating satellite and terrestrial gateway resources
CA2078932C (en) * 1991-10-10 2003-12-02 Robert A. Wiedeman Satellite telecommunications system using network coordinating gateways operative with a terrestrial communication system
AU3176893A (en) * 1991-11-08 1993-06-07 Calling Communications Corporation Beam compensation methods for satellite communication system
US5233626A (en) * 1992-05-11 1993-08-03 Space Systems/Loral Inc. Repeater diversity spread spectrum communication system
US5422647A (en) * 1993-05-07 1995-06-06 Space Systems/Loral, Inc. Mobile communication satellite payload

Also Published As

Publication number Publication date
AU695589B2 (en) 1998-08-20
US5592481A (en) 1997-01-07
AU5309196A (en) 1996-12-24
TW310507B (es) 1997-07-11
RU2136108C1 (ru) 1999-08-27
BR9608951A (pt) 1999-12-14
US5812538A (en) 1998-09-22
WO1996039756A1 (en) 1996-12-12
EP0748062A3 (en) 1998-01-07
CN1141543A (zh) 1997-01-29
JPH08331030A (ja) 1996-12-13
KR970004436A (ko) 1997-01-29
EP0748062A2 (en) 1996-12-11
CA2172303A1 (en) 1996-12-07
UA42068C2 (uk) 2001-10-15

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