KR920704454A - 인공위성을 근거로한 전세계적 페이징 시스템 - Google Patents

인공위성을 근거로한 전세계적 페이징 시스템

Info

Publication number
KR920704454A
KR920704454A KR1019920701179A KR920701179A KR920704454A KR 920704454 A KR920704454 A KR 920704454A KR 1019920701179 A KR1019920701179 A KR 1019920701179A KR 920701179 A KR920701179 A KR 920701179A KR 920704454 A KR920704454 A KR 920704454A
Authority
KR
South Korea
Prior art keywords
message
paging
satellite
communication means
based communication
Prior art date
Application number
KR1019920701179A
Other languages
English (en)
Other versions
KR0134904B1 (ko
Inventor
제이. 슈벤데만 로버트
쿠즈니키 윌리엄 제이
Original Assignee
빈센트 비. 인그레샤
모토로라 인코포레이티드
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
Priority claimed from US07/444,187 external-priority patent/US5239670A/en
Application filed by 빈센트 비. 인그레샤, 모토로라 인코포레이티드 filed Critical 빈센트 비. 인그레샤
Publication of KR920704454A publication Critical patent/KR920704454A/ko
Application granted granted Critical
Publication of KR0134904B1 publication Critical patent/KR0134904B1/ko

Links

Abstract

내용 없음.

Description

인공위성을 근거로한 전세계적 페이징 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따라 궤도를 선회하는 인공위성 네트워크의 도시도,
제2도는 본 발명에 따른 시스템 동작을 도시하는 다이어그램,
제3도는 제1도 또는 제2도외 인공위성에 대한 블럭 다이어그램,
제4도는 인공위성 전송 훗 프린트(footprint)의 도시도,
제5도는 인공위성통신 경로 및 링크를 도시하는 다이어그램.

Claims (12)

  1. 페이징 통신 시스템에 있어서, 페이징 정보를 제어수단과 적어도 하나의 선택 호출 수신기와 통신하며, 또한 인공위성에 근거를 둔 통신수단과 페이징 정보를 통신할 수 있는 지구에 근거를 둔 통신수단(terrestrial based communication means), 페이징 정보를 적어도 하나의 선택 호출 수신기와 적어도 지구에 근거를 둔 통신 수단의 일부로 페이징 정보를 통신하기 위한 인공위성에 근거를 둔 통신 수단의 일부로 페이징 정보를 통신하기 위한 인공위성에 근거를 둔 통신수단, 어느곳에 그리고 어떻게 페이징 정보를 전달하여야 하는가를 판단하는 제어수단과, 적어도 복수개의 선택 호출 수신기의 일부는 인공위성에 근거를 둔 통신수단과 지구에 근거를 둔 통신수단으로부터 페이징 정보를 수신할 수 있는 복수개의 선택 호출 수신기를 포함하는 페이징 통신 시스템.
  2. 제1항에 있어서, 상기 인공위성에 근거를 둔 통신수단은 페이징 정보를 수신하도록 지정되는 개인에 의해 제공된 명령에 따라 페이징 정보를 통신하기 위해 상기 수단의 일부를 조절(adapts)하는 페이징 통신 시스템.
  3. 제2항에 있어서, 상기 인공 위성에 근거를 통신수단은 적어도 페이징 통신 프로토콜을 조절하는 페이징 통신 시스템.
  4. 제2항에 있어서, 상기 인공위성에 근거를 둔 통신 수단은 적어도 페이징 통신 주파수를 조절하는 페이징 통신 시스템.
  5. 제1항에 있어서, 상기 지상에 근거를 둔 통신수단은 페이징 정보를 수신하도록 지정된 선택 호출 수신기를 조정(accommodate)하기 위해 인공위성에 근거를 둔 통신 수단으로부터 수신된 페이징 정보를 변환하기 위한 수단을 포함하는 페이징 통신시스템.
  6. 제1항에 있어서, 상기 선택 호출 수신기는 지구에 근거를 둔 통신수단과 인공위성에 근거를 둔 통신수단을 모니터(monitor)하도록 동작하는 페이징 통신시스템.
  7. 제6항에 있어서, 상기 모니터하는 것(the monitoring)은 지구에 근거를 둔 통신수단과 인공위성에 근거를 둔 통신수단에 의해 사용되는 무선 주파수 채널을 자동으로 스캔하는 것을 포함하는 페이징 통신 시스템.
  8. 제7항에 있어서, 지구에 근거를 둔 통신수단과 인공위성에 근거를 둔 통신 수단에 의해 사용되는 무선 주파수 채널 자동으로 스캔하는 동안 지구에 근거를 둔 통신수단에 의해 사용되는 무선 주파수 채널에 상기 우선권(priority)이 주어지는 페이징 통신 시스템.
  9. 천체의 한개이상 영역에 메시지를 공급하기 위한 방법에 있어서, 상기 단계는 복수개인 지구국의 어느 것에서, (a)메시지를 수신하는 단계, (b)제어국으로 메시지를 전송하는 단계와 제어국에서, (a)메시지를 수신하는 단계, (b) 메시지를 어디에 그리고 어떻게 전달하는가를 판단하는 단계, (c)천체를 궤도를 선회하는 복수 개의 인공위성중의 적어도 하나에 메시지를 전송하는 단계와, 복수개인 인공위성중 어느 한개에서, (a)제어국으로부터 메시지를 수신하는 단계, (b)천체 또는 다른 인공위성을 향해 메시지를 전송할 것인가를 판단하는 단계와, (c)단계(b)의 결정에 따라 메시지를 전송하는 단계를 포함하는 천체의 한개이상 영역에 메시지를 공급하기 위한 방법.
  10. 제9항에 있어서, 상기 메시지를 어디에 그리고 어떻게 전달할 것인가를 판단하는 제어국 단계는 (i)본 발명의 메시지 수신명령을 나타내는 정보를 발췌하기 위하여 메모리 수단을 조사하는 단계, (ii)적어도 일부분은 본 발명의 메시지 수신 명령을 나타내는 정보를 근거로 메시지 전달 명령을 형성하는 단계를 포함하는 천체의 한개이상 영역에 메시지를 공급하기 위한 방법.
  11. 제9항에 있어서, 상기 방법은 상기 전송 이전에 선택 호출 수신기와 호환할 수 있도록 메시지를 조절하는 단계를 포함하는 천체의 한개이상 영역에 메시지를 공급하기 위한 방법.
  12. 제9항에 있어서, 상기 선택 호출 수신기 단계는 (a)복수개인 지구국중 적어도 한개의 복수개인 인공위성중 한개를 모니터할 것인가를 판단하는 단계와, (b)메시지를 수신하기 위해 단계(a)에 따라 동작하는 단계를 포함하는 천체의 한개이상 영역에 메시지를 공급하기 위한 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019920701179A 1989-11-30 1990-11-23 인공 위성 기반의 전 세계적인 페이징 시스템 KR0134904B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US444,187 1989-11-30
US07/444,187 US5239670A (en) 1989-11-30 1989-11-30 Satellite based global paging system
PCT/US1990/006756 WO1991008621A1 (en) 1989-11-30 1990-11-23 Satellite based global paging system

Publications (2)

Publication Number Publication Date
KR920704454A true KR920704454A (ko) 1992-12-19
KR0134904B1 KR0134904B1 (ko) 1998-04-27

Family

ID=23763858

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920701179A KR0134904B1 (ko) 1989-11-30 1990-11-23 인공 위성 기반의 전 세계적인 페이징 시스템

Country Status (9)

Country Link
US (2) US5239670A (ko)
EP (1) EP0502954B1 (ko)
JP (1) JP2785486B2 (ko)
KR (1) KR0134904B1 (ko)
AT (1) ATE148966T1 (ko)
CA (1) CA2068875C (ko)
DE (1) DE69029950T2 (ko)
SG (1) SG49627A1 (ko)
WO (1) WO1991008621A1 (ko)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010317A (en) * 1989-11-30 1991-04-23 Motorola, Inc. Satellite based simulcast paging system
ES2108042T3 (es) * 1989-12-14 1997-12-16 Motorola Inc Sistema de telemensajeria con acuse de recibo por satelite.
US5835857A (en) * 1990-03-19 1998-11-10 Celsat America, Inc. Position determination for reducing unauthorized use of a communication system
US5239671A (en) * 1990-11-13 1993-08-24 Pagemart, Inc. Simulcast satellite paging system with provision for signal interruption
WO1993007691A1 (en) * 1991-10-01 1993-04-15 Norand Corporation A radio frequency local area network
US6157621A (en) * 1991-10-28 2000-12-05 Teledesic Llc Satellite communication system
US10361802B1 (en) 1999-02-01 2019-07-23 Blanding Hovenweep, Llc Adaptive pattern recognition based control system and method
US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
US5278863A (en) * 1992-04-10 1994-01-11 Cd Radio Incorporated Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites
US5396643A (en) * 1992-08-24 1995-03-07 Motorola, Inc. Geographic-area selective low-earth satellite-based paging broadcast system and method
US5394560A (en) * 1992-09-30 1995-02-28 Motorola, Inc. Nationwide satellite message delivery system
US5422647A (en) * 1993-05-07 1995-06-06 Space Systems/Loral, Inc. Mobile communication satellite payload
FR2706102B1 (fr) * 1993-06-02 1995-07-07 Alcatel Espace Système de relais mémoire pour satellites d'observation.
US5666648A (en) * 1993-11-09 1997-09-09 Leo One Ip, L.L.C. Polar relay system for satellite communication
US5432521A (en) * 1994-01-14 1995-07-11 Motorola, Inc. Satellite receiver system having doppler frequency shift tracking
US5635940A (en) * 1994-02-02 1997-06-03 Hickman; Paul L. Communication configurator and method for implementing same
US5768684A (en) * 1994-03-04 1998-06-16 Motorola, Inc. Method and apparatus for bi-directional power control in a digital communication system
TW239242B (en) * 1994-03-28 1995-01-21 Leo One Ip L L C Satellite system using equatorial & polar orbit relays
US5539415A (en) * 1994-09-15 1996-07-23 Space Systems/Loral, Inc. Antenna feed and beamforming network
US5603079A (en) * 1994-10-03 1997-02-11 Motorola, Inc. Satellite-based messaging system transmitting during guard band of satellite-based telephone system and method of operation thereof
US5563606A (en) * 1994-10-03 1996-10-08 Motorola, Inc. Dynamic mapping apparatus for mobile unit acquisition and method therefor
US5592471A (en) * 1995-04-21 1997-01-07 Cd Radio Inc. Mobile radio receivers using time diversity to avoid service outages in multichannel broadcast transmission systems
US5640386A (en) * 1995-06-06 1997-06-17 Globalstar L.P. Two-system protocol conversion transceiver repeater
US5708964A (en) * 1995-08-10 1998-01-13 Glenayre Electronics, Inc. Paging satelite line receiver having automatic signal acquisition
CA2157209C (en) * 1995-08-30 2001-04-10 Robert Peach Repeaters for multibeam satellites
CA2165875C (en) * 1995-12-21 2001-03-13 Gary Beauchamp Intersatellite communications systems
US6223019B1 (en) 1996-03-14 2001-04-24 Sirius Satellite Radio Inc. Efficient high latitude service area satellite mobile broadcasting systems
US5995804A (en) * 1997-01-16 1999-11-30 Flash Comm. Inc. Repeater station for augmenting the coverage area of a paging system
US6324592B1 (en) 1997-02-25 2001-11-27 Keystone Aerospace Apparatus and method for a mobile computer architecture and input/output management system
US6023616A (en) * 1998-03-10 2000-02-08 Cd Radio Inc. Satellite broadcast receiver system
US6128487A (en) 1997-04-15 2000-10-03 Globalstar, L.P. Global mobile paging system
US6745028B1 (en) * 1997-07-16 2004-06-01 Ico Services Limited Satellite mobile telephone cell departure prediction
US6560461B1 (en) 1997-08-04 2003-05-06 Mundi Fomukong Authorized location reporting paging system
US6047162A (en) 1997-09-25 2000-04-04 Com Dev Limited Regional programming in a direct broadcast satellite
US7966078B2 (en) 1999-02-01 2011-06-21 Steven Hoffberg Network media appliance system and method
FR2814631B1 (fr) * 2000-09-26 2003-04-25 Thomson Csf Procede pour conserver et/ou retablir des liaisons de communication dans un reseau planifie a composantes mobiles
US8290505B2 (en) 2006-08-29 2012-10-16 Telecommunications Systems, Inc. Consequential location derived information
US8918073B2 (en) 2002-03-28 2014-12-23 Telecommunication Systems, Inc. Wireless telecommunications location based services scheme selection
US8126889B2 (en) * 2002-03-28 2012-02-28 Telecommunication Systems, Inc. Location fidelity adjustment based on mobile subscriber privacy profile
US7426380B2 (en) 2002-03-28 2008-09-16 Telecommunication Systems, Inc. Location derived presence information
US8666397B2 (en) 2002-12-13 2014-03-04 Telecommunication Systems, Inc. Area event handling when current network does not cover target area
GB0320352D0 (en) * 2003-09-01 2003-10-01 Secr Defence Digital modulation waveforms for use in ranging systems
US7260186B2 (en) 2004-03-23 2007-08-21 Telecommunication Systems, Inc. Solutions for voice over internet protocol (VoIP) 911 location services
US20080126535A1 (en) 2006-11-28 2008-05-29 Yinjun Zhu User plane location services over session initiation protocol (SIP)
US20080090546A1 (en) 2006-10-17 2008-04-17 Richard Dickinson Enhanced E911 network access for a call center using session initiation protocol (SIP) messaging
US7508840B2 (en) * 2004-05-28 2009-03-24 Bae Systems Information And Electronic Systems Integration Inc. Mobile temporary incident area network for local communications interoperability
US6985105B1 (en) * 2004-10-15 2006-01-10 Telecommunication Systems, Inc. Culled satellite ephemeris information based on limiting a span of an inverted cone for locating satellite in-range determinations
US7629926B2 (en) * 2004-10-15 2009-12-08 Telecommunication Systems, Inc. Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas
US7411546B2 (en) * 2004-10-15 2008-08-12 Telecommunication Systems, Inc. Other cell sites used as reference point to cull satellite ephemeris information for quick, accurate assisted locating satellite location determination
US7113128B1 (en) * 2004-10-15 2006-09-26 Telecommunication Systems, Inc. Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas
US7353034B2 (en) 2005-04-04 2008-04-01 X One, Inc. Location sharing and tracking using mobile phones or other wireless devices
US8660573B2 (en) 2005-07-19 2014-02-25 Telecommunications Systems, Inc. Location service requests throttling
US9282451B2 (en) 2005-09-26 2016-03-08 Telecommunication Systems, Inc. Automatic location identification (ALI) service requests steering, connection sharing and protocol translation
US20070075848A1 (en) * 2005-10-05 2007-04-05 Pitt Lance D Cellular augmented vehicle alarm
US7825780B2 (en) * 2005-10-05 2010-11-02 Telecommunication Systems, Inc. Cellular augmented vehicle alarm notification together with location services for position of an alarming vehicle
US7626951B2 (en) 2005-10-06 2009-12-01 Telecommunication Systems, Inc. Voice Over Internet Protocol (VoIP) location based conferencing
US7907551B2 (en) 2005-10-06 2011-03-15 Telecommunication Systems, Inc. Voice over internet protocol (VoIP) location based 911 conferencing
US8467320B2 (en) 2005-10-06 2013-06-18 Telecommunication Systems, Inc. Voice over internet protocol (VoIP) multi-user conferencing
US8150363B2 (en) 2006-02-16 2012-04-03 Telecommunication Systems, Inc. Enhanced E911 network access for call centers
US8059789B2 (en) 2006-02-24 2011-11-15 Telecommunication Systems, Inc. Automatic location identification (ALI) emergency services pseudo key (ESPK)
US7899450B2 (en) 2006-03-01 2011-03-01 Telecommunication Systems, Inc. Cellular augmented radar/laser detection using local mobile network within cellular network
US9167553B2 (en) 2006-03-01 2015-10-20 Telecommunication Systems, Inc. GeoNexus proximity detector network
US7471236B1 (en) * 2006-03-01 2008-12-30 Telecommunication Systems, Inc. Cellular augmented radar/laser detector
US8532266B2 (en) * 2006-05-04 2013-09-10 Telecommunication Systems, Inc. Efficient usage of emergency services keys
US8208605B2 (en) 2006-05-04 2012-06-26 Telecommunication Systems, Inc. Extended efficient usage of emergency services keys
US7966013B2 (en) 2006-11-03 2011-06-21 Telecommunication Systems, Inc. Roaming gateway enabling location based services (LBS) roaming for user plane in CDMA networks without requiring use of a mobile positioning center (MPC)
US8050386B2 (en) 2007-02-12 2011-11-01 Telecommunication Systems, Inc. Mobile automatic location identification (ALI) for first responders
US7929530B2 (en) 2007-11-30 2011-04-19 Telecommunication Systems, Inc. Ancillary data support in session initiation protocol (SIP) messaging
US9130963B2 (en) 2011-04-06 2015-09-08 Telecommunication Systems, Inc. Ancillary data support in session initiation protocol (SIP) messaging
US8068587B2 (en) 2008-08-22 2011-11-29 Telecommunication Systems, Inc. Nationwide table routing of voice over internet protocol (VOIP) emergency calls
US20100080216A1 (en) * 2008-09-29 2010-04-01 Jonathan Alan Croy Real-time communication blocking for Dot Not Call" registered information
EP2347395A4 (en) * 2008-10-14 2016-11-02 Telecomm Systems Inc Location Based Approach Alert
US8892128B2 (en) * 2008-10-14 2014-11-18 Telecommunication Systems, Inc. Location based geo-reminders
US9301191B2 (en) 2013-09-20 2016-03-29 Telecommunication Systems, Inc. Quality of service to over the top applications used with VPN
US8336664B2 (en) 2010-07-09 2012-12-25 Telecommunication Systems, Inc. Telematics basic mobile device safety interlock
WO2012005769A1 (en) 2010-07-09 2012-01-12 Telecommunication Systems, Inc. Location privacy selector
US8688087B2 (en) 2010-12-17 2014-04-01 Telecommunication Systems, Inc. N-dimensional affinity confluencer
US8942743B2 (en) 2010-12-17 2015-01-27 Telecommunication Systems, Inc. iALERT enhanced alert manager
US8682321B2 (en) 2011-02-25 2014-03-25 Telecommunication Systems, Inc. Mobile internet protocol (IP) location
US8588728B1 (en) * 2011-06-16 2013-11-19 Sprint Spectrum L.P. Method and apparatus for enhanced adaptive idle mode and battery efficiency monitoring
US8649806B2 (en) 2011-09-02 2014-02-11 Telecommunication Systems, Inc. Aggregate location dynometer (ALD)
US9479344B2 (en) 2011-09-16 2016-10-25 Telecommunication Systems, Inc. Anonymous voice conversation
WO2013048551A1 (en) 2011-09-30 2013-04-04 Telecommunication Systems, Inc. Unique global identifier for minimizing prank 911 calls
US9313637B2 (en) 2011-12-05 2016-04-12 Telecommunication Systems, Inc. Wireless emergency caller profile data delivery over a legacy interface
US8984591B2 (en) 2011-12-16 2015-03-17 Telecommunications Systems, Inc. Authentication via motion of wireless device movement
US9384339B2 (en) 2012-01-13 2016-07-05 Telecommunication Systems, Inc. Authenticating cloud computing enabling secure services
US8688174B2 (en) 2012-03-13 2014-04-01 Telecommunication Systems, Inc. Integrated, detachable ear bud device for a wireless phone
US9307372B2 (en) 2012-03-26 2016-04-05 Telecommunication Systems, Inc. No responders online
US9544260B2 (en) 2012-03-26 2017-01-10 Telecommunication Systems, Inc. Rapid assignment dynamic ownership queue
US9338153B2 (en) 2012-04-11 2016-05-10 Telecommunication Systems, Inc. Secure distribution of non-privileged authentication credentials
WO2014028712A1 (en) 2012-08-15 2014-02-20 Telecommunication Systems, Inc. Device independent caller data access for emergency calls
US9208346B2 (en) 2012-09-05 2015-12-08 Telecommunication Systems, Inc. Persona-notitia intellection codifier
US9456301B2 (en) 2012-12-11 2016-09-27 Telecommunication Systems, Inc. Efficient prisoner tracking
US8983047B2 (en) 2013-03-20 2015-03-17 Telecommunication Systems, Inc. Index of suspicion determination for communications request
US9408034B2 (en) 2013-09-09 2016-08-02 Telecommunication Systems, Inc. Extended area event for network based proximity discovery
US9516104B2 (en) 2013-09-11 2016-12-06 Telecommunication Systems, Inc. Intelligent load balancer enhanced routing
US9479897B2 (en) 2013-10-03 2016-10-25 Telecommunication Systems, Inc. SUPL-WiFi access point controller location based services for WiFi enabled mobile devices
CN103944628A (zh) * 2014-03-27 2014-07-23 航天东方红卫星有限公司 小卫星中继数传与对地数传的一体化结构

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497807A (en) * 1966-08-31 1970-02-24 Us Navy Multipurpose satellite system
US4018993A (en) * 1974-04-19 1977-04-19 Telefonaktiebolaget L M Ericsson Telephone system comprising a satellite
US4105973A (en) * 1976-10-15 1978-08-08 Bell Telephone Laboratories, Incorporated Multibeam, digitally modulated, time division, switched satellite communications system
US4145573A (en) * 1977-06-13 1979-03-20 Bell Telephone Laboratories, Incorporated Digital satellite system and method for serving users of differing capacities
US4261054A (en) * 1977-12-15 1981-04-07 Harris Corporation Real-time adaptive power control in satellite communications systems
US4188578A (en) * 1978-05-19 1980-02-12 Bell Telephone Laboratories, Incorporated Satellite communication system which concurrently transmits a scanning spot beam and a plurality of fixed spot beams
US4178476A (en) * 1978-05-26 1979-12-11 Frost Edward G Automatic nationwide paging system
US4268831A (en) * 1979-04-30 1981-05-19 Sperry Corporation Antenna for scanning a limited spatial sector
US4381562A (en) * 1980-05-01 1983-04-26 Bell Telephone Laboratories, Incorporated Broadcast type satellite communication systems
USRE32905F1 (en) * 1980-10-20 1992-11-10 Satellite communications system and apparatus
DE3273703D1 (en) * 1981-11-16 1986-11-13 Nec Corp Earth station transmission power control system
US4870422A (en) * 1982-03-01 1989-09-26 Western Atlas International, Inc. Method and system for determining position from signals from satellites
US4916539A (en) * 1983-04-21 1990-04-10 The Weather Channel, Inc. Communications system having receivers which can be addressed in selected classes
US4644347A (en) * 1983-08-10 1987-02-17 Motorola, Inc. Multiple frequency message system
EP0137865A1 (de) * 1983-10-15 1985-04-24 ANT Nachrichtentechnik GmbH Verfahren zum Aufbau einer Funkverbindung
EP0139034B1 (de) * 1983-10-21 1988-01-13 ANT Nachrichtentechnik GmbH Verfahren zum Übertragen von Nachrichtendiensten über Satelliten
EP0144665B1 (de) * 1983-12-08 1988-05-25 ANT Nachrichtentechnik GmbH Verfahren zur Verbindungsherstellung mit einem mobilen Teilnehmer und System zur Durchführung
US4644351A (en) * 1984-05-08 1987-02-17 Motorola, Inc. Two way personal message system with extended coverage
US4689625A (en) * 1984-11-06 1987-08-25 Martin Marietta Corporation Satellite communications system and method therefor
FR2578703B1 (fr) * 1985-03-05 1987-06-26 Europ Agence Spatiale Procede de transmission de donnees autoadaptatif et hybride, notamment pour la telecommunication spatiale
IT1182741B (it) * 1985-06-06 1987-10-05 Selenia Spazio Spa Perfezionamento nei sistemi di telecomunicazioni via satellite utilizzanti la tecnica ss-tdna
JPS63501608A (ja) * 1985-08-08 1988-06-16 ネットワ−ク・サテライト・ペ−ジング・パ−トナ−ズ・リミテッド 全国規模の無線ペ−ジングシステム
US4972151A (en) * 1985-10-01 1990-11-20 Hughes Aircraft Company Steered-beam satellite communication system
US4670905A (en) * 1985-11-29 1987-06-02 Motorola, Inc. Method and apparatus for coordinating independent communications systems
US4718109A (en) * 1986-03-06 1988-01-05 Motorola, Inc. Automatic synchronization system
US4876737A (en) * 1986-11-26 1989-10-24 Microdyne Corporation Satellite data transmission and receiving station
US4872015A (en) * 1986-12-01 1989-10-03 Hughes Aircraft Company Satellite communications system for mobile users
DE3706240A1 (de) * 1987-02-26 1988-09-08 Ant Nachrichtentech Verfahren und funkrufsystem zum selektiven uebermitteln von rufen an mobile teilnehmer
JPS6471329A (en) * 1987-09-11 1989-03-16 Nec Corp Mobile body satellite communication system
US4849750A (en) * 1987-10-20 1989-07-18 Telefind Corp. Paging receiver with dynamically programmable channel frequencies and functionality
US5003534A (en) * 1988-08-26 1991-03-26 Scientific Atlanta Link utilization control mechanism for demand assignment satellite communications network
US5010317A (en) * 1989-11-30 1991-04-23 Motorola, Inc. Satellite based simulcast paging system

Similar Documents

Publication Publication Date Title
KR920704454A (ko) 인공위성을 근거로한 전세계적 페이징 시스템
KR920702167A (ko) 시멀캐스트 페이징 통신 시스템
KR0134904B1 (ko) 인공 위성 기반의 전 세계적인 페이징 시스템
US6539200B1 (en) Method and apparatus for paging a user terminal within the “sweet spot” of a satellite
KR920704455A (ko) 인공위성을 근거로 한 응답 확인 페이징 시스템
US6201961B1 (en) Use of reference phone in point-to-point satellite communication system
MX9709332A (es) Control de la resistencia de la señal piloto para un sistema de comunicaciones por satelite terrestre de orbita baja.
CA2202845A1 (en) Power control method and apparatus for satellite based telecommunications system
EP1163742B1 (en) Apparatus and method for paging in a satellite communication system with user location determination
EP0748062A3 (en) Multiple satellite repeater capacity loading with multiple spread spectrum gateway antennas
EP0510789B1 (en) Cellular telephone satellite system
WO1998019403A1 (en) Satellite-based direct access telecommunications system
JPH09130847A (ja) セルラ・システムにおいてハンドオフに対する自発的申し出を要求する方法
US6671250B1 (en) Method for deep paging
EP0973274A2 (en) Satellite communication system with larger effective gateway coverage area
WO2002001780A3 (en) Method and apparatus for distributing processing load for decoding radio frequency transmissions
US6131027A (en) System for controlling network bandwidth
ITRM950439A1 (it) Procedimento ed apparecchio per la erogazione di messaggi in un sistema per comunicazioni.
DE60024886T2 (de) System mit satellitenverbindung zwischen einer erdgebundenen station und einer station an bord eines schiffes für tragbare telefonhandgeräte
DE3571294D1 (en) Satellite communication system
CA2197487A1 (en) Method of power regulation in a satellite telecommunication network with at least two satellites in view
EP0844744B1 (en) Method for establishing a connection in a satellite system and satelilite system suitable for practising such method
KR20010072331A (ko) 위치-종속 무선 주파수 및 전송 방법을 지원하는 이동무선 장치
AU2004203062B2 (en) Method for deep paging
AU2003248465A1 (en) Satellite communication method, and satellite communication apparatus, earth station, and gateway station for use with the satellite communication method