DE69124664D1 - Satellitenübertragungssystem für ein Rufsystem - Google Patents
Satellitenübertragungssystem für ein RufsystemInfo
- Publication number
- DE69124664D1 DE69124664D1 DE69124664T DE69124664T DE69124664D1 DE 69124664 D1 DE69124664 D1 DE 69124664D1 DE 69124664 T DE69124664 T DE 69124664T DE 69124664 T DE69124664 T DE 69124664T DE 69124664 D1 DE69124664 D1 DE 69124664D1
- Authority
- DE
- Germany
- Prior art keywords
- satellite
- paging
- information
- towers
- transmit
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/67—Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
-
- 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
- H04B7/18567—Arrangements for providing additional services to the basic mobile satellite telephony service
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/022—One-way selective calling networks, e.g. wide area paging
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/612,064 US5239671A (en) | 1990-11-13 | 1990-11-13 | Simulcast satellite paging system with provision for signal interruption |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69124664D1 true DE69124664D1 (de) | 1997-03-27 |
DE69124664T2 DE69124664T2 (de) | 1997-09-18 |
Family
ID=24451570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69124664T Expired - Fee Related DE69124664T2 (de) | 1990-11-13 | 1991-11-08 | Satellitenübertragungssystem für ein Rufsystem |
Country Status (8)
Country | Link |
---|---|
US (4) | US5239671A (de) |
EP (1) | EP0486229B1 (de) |
JP (1) | JPH04268833A (de) |
AT (1) | ATE148973T1 (de) |
AU (2) | AU658837B2 (de) |
CA (1) | CA2055327A1 (de) |
DE (1) | DE69124664T2 (de) |
ES (1) | ES2101724T3 (de) |
Families Citing this family (99)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5303286A (en) * | 1991-03-29 | 1994-04-12 | Space Systems/Loral, Inc. | Wireless telephone/satellite roaming system |
US5666653A (en) * | 1990-08-07 | 1997-09-09 | Inventahl Ab | Wide area radio communication system and method for communicating in a wide area through a wide area radio communication system |
US5239671A (en) * | 1990-11-13 | 1993-08-24 | Pagemart, Inc. | Simulcast satellite paging system with provision for signal interruption |
JPH0575526A (ja) * | 1991-02-25 | 1993-03-26 | Pagemart Inc | 適応呼出装置 |
JP3015148B2 (ja) * | 1991-07-05 | 2000-03-06 | 富士通株式会社 | 無線呼出方式 |
CA2078932C (en) * | 1991-10-10 | 2003-12-02 | Robert A. Wiedeman | Satellite telecommunications system using network coordinating gateways operative with a terrestrial communication system |
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 |
CA2125969C (en) | 1991-12-16 | 2000-06-06 | Douglas G. Smith | Spread-spectrum data publishing system |
SE9200283D0 (sv) * | 1992-02-03 | 1992-02-03 | Peter Aahl | Dynamisk varierbar radiostation-dvr |
US5423084A (en) * | 1992-05-11 | 1995-06-06 | Motorola, Inc. | Spectrum recovery apparatus and method therefor |
US5559866A (en) * | 1992-06-01 | 1996-09-24 | Motorola, Inc. | Method of reuse through remote antenna and same channel cell division |
US5396643A (en) * | 1992-08-24 | 1995-03-07 | Motorola, Inc. | Geographic-area selective low-earth satellite-based paging broadcast system and method |
US5388101A (en) * | 1992-10-26 | 1995-02-07 | Eon Corporation | Interactive nationwide data service communication system for stationary and mobile battery operated subscriber units |
US5510797A (en) * | 1993-04-15 | 1996-04-23 | Trimble Navigation Limited | Provision of SPS timing signals |
US5422647A (en) * | 1993-05-07 | 1995-06-06 | Space Systems/Loral, Inc. | Mobile communication satellite payload |
US5859874A (en) * | 1994-05-09 | 1999-01-12 | Globalstar L.P. | Multipath communication system optimizer |
US5745777A (en) * | 1994-05-10 | 1998-04-28 | Seiko Communications Holding N.V. | Analyzer for frequency modulated signals |
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 |
US5584046A (en) * | 1994-11-04 | 1996-12-10 | Cornell Research Foundation, Inc. | Method and apparatus for spectrum sharing between satellite and terrestrial communication services using temporal and spatial synchronization |
US5787336A (en) * | 1994-11-08 | 1998-07-28 | Space Systems/Loral, Inc. | Satellite communication power management system |
JP3192897B2 (ja) * | 1994-12-02 | 2001-07-30 | 株式会社日立製作所 | 無線呼び出しシステム |
US5748621A (en) * | 1995-03-10 | 1998-05-05 | Kabushiki Kaisha Toshiba | Digital mobile communication system |
US5822324A (en) * | 1995-03-16 | 1998-10-13 | Bell Atlantic Network Services, Inc. | Simulcasting digital video programs for broadcast and interactive services |
US5651010A (en) * | 1995-03-16 | 1997-07-22 | Bell Atlantic Network Services, Inc. | Simultaneous overlapping broadcasting of digital programs |
US5563892A (en) * | 1995-03-16 | 1996-10-08 | Bell Atlantic Network Services, Inc. | Method of upgrading the program transport capacity of an RF broadcast channel |
US5852612A (en) * | 1995-03-16 | 1998-12-22 | Bell Atlantic Network Services, Inc. | Terminal for receiving simulcast digital video programs |
US5666365A (en) * | 1995-03-16 | 1997-09-09 | Bell Atlantic Network Services, Inc. | Simulcast transmission of digital programs to shared antenna receiving systems |
US5659353A (en) * | 1995-03-17 | 1997-08-19 | Bell Atlantic Network Services, Inc. | Television distribution system and method |
US5784683A (en) * | 1995-05-16 | 1998-07-21 | Bell Atlantic Network Services, Inc. | Shared use video processing systems for distributing program signals from multiplexed digitized information signals |
US5619525A (en) * | 1995-06-06 | 1997-04-08 | Globalstar L.P. | Closed loop power control for low earth orbit satellite communications system |
WO1996039788A1 (en) * | 1995-06-06 | 1996-12-12 | Globalstar L.P. | Satellite repeater diversity resource management system |
US5592481A (en) * | 1995-06-06 | 1997-01-07 | Globalstar L.P. | Multiple satellite repeater capacity loading with multiple spread spectrum gateway antennas |
US6240124B1 (en) | 1995-06-06 | 2001-05-29 | 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 |
US5664006A (en) * | 1995-06-07 | 1997-09-02 | Globalstar L.P. | Method for accounting for user terminal connection to a satellite communications system |
US5751707A (en) * | 1995-06-19 | 1998-05-12 | Bell Atlantic Network Services, Inc. | AIN interaction through wireless digital video network |
US5790939A (en) * | 1995-06-29 | 1998-08-04 | Hughes Electronics Corporation | Method and system of frame timing synchronization in TDMA based mobile satellite communication system |
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 |
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 |
US5742907A (en) * | 1995-07-19 | 1998-04-21 | Ericsson Inc. | Automatic clear voice and land-line backup alignment for simulcast system |
US5708964A (en) * | 1995-08-10 | 1998-01-13 | Glenayre Electronics, Inc. | Paging satelite line receiver having automatic signal acquisition |
US5758260A (en) * | 1995-08-23 | 1998-05-26 | Globalstar L.P. | Satellite beam steering reference using terrestrial beam steering terminals |
US5760705A (en) * | 1995-09-01 | 1998-06-02 | Glenayre Electronics, Inc. | System for maintaining receiver/transmitter synchronization with two-way pagers |
US5905443A (en) * | 1995-10-02 | 1999-05-18 | Motorola, Inc. | Paging system employing delivery schedule combining and method of operation thereof |
US5721534A (en) * | 1995-11-02 | 1998-02-24 | Motorola, Inc. | Paging system with adaptive monitoring schedule and method of operation thereof |
KR0159665B1 (ko) * | 1995-11-16 | 1998-12-01 | 김광호 | 페이징시스템의 동시방송을 위한 자동조정 지연회로 및 방법 |
US6272316B1 (en) | 1995-11-17 | 2001-08-07 | Globalstar L.P. | Mobile satellite user information request system and methods |
US5812932A (en) * | 1995-11-17 | 1998-09-22 | Globalstar L.P. | Mobile satellite user information request system and methods |
US5828901A (en) * | 1995-12-21 | 1998-10-27 | Cirrus Logic, Inc. | Method and apparatus for placing multiple frames of data in a buffer in a direct memory access transfer |
US5809397A (en) * | 1996-02-29 | 1998-09-15 | Motorola, Inc. | Method and apparatus for system synchronization in a messaging system |
KR0168797B1 (ko) * | 1996-04-02 | 1999-02-01 | 김광호 | 기지국 송신기의 동시 송출 제어장치 |
KR0169453B1 (ko) * | 1996-04-19 | 1999-02-01 | 김광호 | 셀 반경 설정장치 및 방법 |
US6035178A (en) * | 1996-05-09 | 2000-03-07 | Ericsson Inc. | Satellite communication system for local-area coverage |
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 |
US6243372B1 (en) | 1996-11-14 | 2001-06-05 | Omnipoint Corporation | Methods and apparatus for synchronization in a wireless network |
US5781593A (en) * | 1996-11-14 | 1998-07-14 | Omnipoint Corporation | Methods and apparatus for vocoder synchronization in mobile communication network |
US6178334B1 (en) * | 1998-11-17 | 2001-01-23 | Hughes Electronics Corporation | Cellular/PCS network with distributed-RF base station |
US5956619A (en) * | 1996-12-12 | 1999-09-21 | Globalstar L.P. | Satellite controlled power control for personal communication user terminals |
US5896558A (en) * | 1996-12-19 | 1999-04-20 | Globalstar L.P. | Interactive fixed and mobile satellite network |
US5995804A (en) * | 1997-01-16 | 1999-11-30 | Flash Comm. Inc. | Repeater station for augmenting the coverage area of a paging system |
US5875180A (en) * | 1997-02-06 | 1999-02-23 | Globalstar L.P. | Satellite telephone interference avoidance system |
US6148195A (en) * | 1997-02-18 | 2000-11-14 | Itt Manufacturing Enterprises, Inc. | Phase agile antenna for use in position determination |
US6148219A (en) * | 1997-02-18 | 2000-11-14 | Itt Manufacturing Enterprises, Inc. | Positioning system for CDMA/PCS communications 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 |
US5995850A (en) * | 1997-04-02 | 1999-11-30 | Glenayre Electronics, Inc. | Method and apparatus for on-the-fly mode change in a paging transmitter |
US6128487A (en) | 1997-04-15 | 2000-10-03 | Globalstar, L.P. | Global mobile paging system |
US6064857A (en) * | 1997-04-15 | 2000-05-16 | Globalstar L.P. | Dual mode satellite telephone with hybrid battery/capacitor power supply |
US5884142A (en) * | 1997-04-15 | 1999-03-16 | Globalstar L.P. | Low earth orbit distributed gateway communication system |
US5905943A (en) * | 1997-04-29 | 1999-05-18 | 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 |
US6032041A (en) * | 1997-06-02 | 2000-02-29 | Hughes Electronics Corporation | Method and system for providing wideband communications to mobile users in a satellite-based network |
DE19723497A1 (de) * | 1997-06-05 | 1998-12-10 | Rohde & Schwarz | Funknetz |
US6081710A (en) * | 1997-07-10 | 2000-06-27 | Globalstar L.P. | Dynamic traffic allocation for power control in multiple satellite communication systems |
US6118977A (en) * | 1997-09-11 | 2000-09-12 | Lucent Technologies, Inc. | Telecommunications-assisted satellite positioning system |
US6101385A (en) | 1997-10-09 | 2000-08-08 | Globalstar L.P. | Satellite communication service with non-congruent sub-beam coverage |
KR100290927B1 (ko) * | 1997-12-27 | 2001-07-12 | 서평원 | 통신시스템의기지국간동기방법 |
US6418147B1 (en) | 1998-01-21 | 2002-07-09 | Globalstar Lp | Multiple vocoder mobile satellite telephone system |
US6944139B1 (en) | 1998-03-27 | 2005-09-13 | Worldspace Management Corporation | Digital broadcast system using satellite direct broadcast and terrestrial repeater |
US6661996B1 (en) | 1998-07-14 | 2003-12-09 | Globalstar L.P. | Satellite communication system providing multi-gateway diversity to a mobile user terminal |
US6501808B1 (en) * | 1999-04-29 | 2002-12-31 | Northrop Grumman Corporation | Apparatus and method for instantaneous reacquisition in a network system |
WO2000079705A1 (fr) * | 1999-06-17 | 2000-12-28 | Mitsubishi Denki Kabushiki Kaisha | Systeme de communications mobiles |
US6253080B1 (en) | 1999-07-08 | 2001-06-26 | Globalstar L.P. | Low earth orbit distributed gateway communication system |
WO2001017298A1 (en) | 1999-09-02 | 2001-03-08 | Automated Business Companies | Communication and proximity authorization systems |
US6463279B1 (en) | 1999-11-17 | 2002-10-08 | Globalstar L.P. | Channel frequency allocation for multiple-satellite communication network |
JP2003520504A (ja) | 2000-01-07 | 2003-07-02 | アウェア, インコーポレイテッド | 診断送信モードおよび診断通信を構築するためのシステムおよびその方法 |
US6956814B1 (en) | 2000-02-29 | 2005-10-18 | Worldspace Corporation | Method and apparatus for mobile platform reception and synchronization in direct digital satellite broadcast system |
US6836658B1 (en) * | 2000-03-03 | 2004-12-28 | Ems Technologies, Inc. | High data rate satellite communications system and method |
GB2361390A (en) * | 2000-04-14 | 2001-10-17 | Ericsson Telefon Ab L M | Communications system |
US6804528B1 (en) * | 2000-11-03 | 2004-10-12 | Lucent Technologies, Inc. | Apparatus and method for use in the multicast of traffic data in wireless multiple access communications systems |
US8300798B1 (en) | 2006-04-03 | 2012-10-30 | Wai Wu | Intelligent communication routing system and method |
KR101223950B1 (ko) | 2006-09-26 | 2013-01-18 | 리베우 리미티드 | 원격 송신 시스템 |
US20090124279A1 (en) * | 2007-11-08 | 2009-05-14 | Rogers Communication Inc. | Method and system for activating a backup radio frequency transmitter |
US8315657B2 (en) * | 2008-09-22 | 2012-11-20 | Futurewei Technologies, Inc. | System and method for enabling coordinated beam switching and scheduling |
US10986029B2 (en) | 2014-09-08 | 2021-04-20 | Liveu Ltd. | Device, system, and method of data transport with selective utilization of a single link or multiple links |
WO2018203336A1 (en) | 2017-05-04 | 2018-11-08 | Liveu Ltd. | Device, system, and method of pre-processing and data delivery for multi-link communications and for media content |
IL269277B2 (en) | 2017-05-18 | 2023-09-01 | Liveu Ltd | Device, system and method for multi-channel wireless communication for a vehicle |
JP6667588B1 (ja) * | 2018-09-18 | 2020-03-18 | Hapsモバイル株式会社 | 制御装置、プログラム、制御方法及び飛行体 |
Family Cites Families (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2509237A (en) * | 1945-02-26 | 1950-05-30 | Standard Telephones Cables Ltd | Radiobroadcasting system |
DE1905532B2 (de) * | 1968-10-16 | 1971-06-03 | Schaltung zur synchronisierung der takt und oder traeger frequenz bei der impulsbuendelweisen uebertragung von digi talen signalen ueber nachrichten satelliten zwischen meh reren bodenstationen mittels zeitmultiplex | |
JPS577490B2 (de) * | 1974-02-26 | 1982-02-10 | ||
JPS527618A (en) * | 1975-07-07 | 1977-01-20 | Nippon Telegr & Teleph Corp <Ntt> | Satellite circuit quality monitoring system |
US4255814A (en) * | 1977-07-15 | 1981-03-10 | Motorola, Inc. | Simulcast transmission system |
GB1540570A (en) * | 1977-09-09 | 1979-02-14 | Philips Electronic Associated | Radio transmission systems |
US4188582A (en) * | 1978-04-10 | 1980-02-12 | Motorola, Inc. | Simulcast transmission system having phase-locked remote transmitters |
US4287597A (en) * | 1978-09-05 | 1981-09-01 | Arbiter Systems Incorporated | Satellite controlled clock |
US4398192A (en) * | 1981-12-04 | 1983-08-09 | Motorola Inc. | Battery-saving arrangement for pagers |
SE435438B (sv) * | 1982-12-09 | 1984-09-24 | Ericsson Telefon Ab L M | Forfarande for instellning av radiosendare pa samtidig sendning |
US4516269A (en) * | 1982-12-10 | 1985-05-07 | Michigan Consolidated Gas Company | Automatic equalization for a simulcast communication system |
US4479245A (en) * | 1982-12-21 | 1984-10-23 | Motorola, Inc. | Same frequency repeater for a multiple repeater system |
US4525685A (en) * | 1983-05-31 | 1985-06-25 | Spectracom Corp. | Disciplined oscillator system with frequency control and accumulated time control |
US4644347A (en) * | 1983-08-10 | 1987-02-17 | Motorola, Inc. | Multiple frequency message system |
US4639937A (en) * | 1983-12-07 | 1987-01-27 | Harris Corporation | HF avalanche relay communication technique |
US4578815A (en) * | 1983-12-07 | 1986-03-25 | Motorola, Inc. | Wide area coverage radio communication system and method |
EP0144665B1 (de) * | 1983-12-08 | 1988-05-25 | ANT Nachrichtentechnik GmbH | Verfahren zur Verbindungsherstellung mit einem mobilen Teilnehmer und System zur Durchführung |
IT1209566B (it) * | 1984-07-06 | 1989-08-30 | Face Standard Ind | Sistema e procedura per identificare la posizione di un utente radiomobile nell'ambito di una vasta superficie geografica. |
US4744083A (en) * | 1984-09-14 | 1988-05-10 | Geostar Corporation | Satellite-based position determining and message transfer system with monitoring of link quality |
US4829554A (en) * | 1985-01-31 | 1989-05-09 | Harris Corporation | Cellular mobile telephone system and method |
WO1987001005A1 (en) * | 1985-08-08 | 1987-02-12 | Network Satellite Paging Partners, Ltd. | Scanning receiver for nationwide radio paging system |
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 |
US4747120A (en) * | 1985-08-13 | 1988-05-24 | Digital Products Corporation | Automatic personnel monitoring system |
US4696051A (en) * | 1985-12-31 | 1987-09-22 | Motorola Inc. | Simulcast transmission system having automtic synchronization |
US4696052A (en) * | 1985-12-31 | 1987-09-22 | Motorola Inc. | Simulcast transmitter apparatus having automatic synchronization capability |
US4718109A (en) * | 1986-03-06 | 1988-01-05 | Motorola, Inc. | Automatic synchronization system |
US4747122A (en) * | 1986-10-27 | 1988-05-24 | Mobile Communications Corporation Of America | Mobile paging call back system and related method |
JPS63129731A (ja) * | 1986-11-19 | 1988-06-02 | Nec Corp | 衛星通信システム |
US4745599A (en) * | 1987-01-05 | 1988-05-17 | General Electric Company | Random access communication system with contention scheduling of subpacketized data transmissions and scheduled retransmission of unsuccessful subpackets |
JPH0650837B2 (ja) * | 1987-03-06 | 1994-06-29 | 日本電気株式会社 | ペ−ジングシステム |
US4903321A (en) * | 1987-08-14 | 1990-02-20 | General Electric Company | Radio trunking fault detection system |
USH610H (en) * | 1987-08-17 | 1989-03-07 | American Telephone And Telegraph Company | Cellular pager |
US4850032A (en) * | 1987-11-18 | 1989-07-18 | Motorola, Inc. | Simulcast data communications system |
AU607022B2 (en) * | 1987-12-01 | 1991-02-21 | Ascom Tateco Ab | Paging system with paging receivers controlled depending on location |
JPH0622345B2 (ja) * | 1988-01-14 | 1994-03-23 | 東京電力株式会社 | 移動体通信方式 |
US4882739A (en) * | 1988-01-26 | 1989-11-21 | Computer Sports Medicine, Inc. | Method for adjusting clocks of multiple data processors to a common time base |
US4968966A (en) * | 1988-10-13 | 1990-11-06 | Motorola, Inc. | High data rate simulcast communication system |
US4918437A (en) * | 1988-10-13 | 1990-04-17 | Motorola, Inc. | High data rate simulcast communication system |
US5031230A (en) * | 1988-10-24 | 1991-07-09 | Simulcomm Partnership | Frequency, phase and modulation control system which is especially useful in simulcast transmission systems |
JPH02151135A (ja) * | 1988-12-02 | 1990-06-11 | Fujitsu Ltd | 遅延補償方式 |
US4912756A (en) * | 1989-04-07 | 1990-03-27 | Unilink Corporation | Method and apparatus for error-free digital data transmission during cellular telephone handoff, etc. |
GB8910997D0 (en) * | 1989-05-12 | 1989-06-28 | Tunstall Telecom Ltd | Radio transmission system |
US4969966A (en) * | 1989-06-26 | 1990-11-13 | Water Bonnet Manufacturing, Inc. | Method of producing curved laminated glass panels |
CA2066712C (en) * | 1989-11-03 | 1996-09-24 | Walter Lee Davis | Global communication system, receiver and method for operating the same |
US5239670A (en) * | 1989-11-30 | 1993-08-24 | Motorola, Inc. | Satellite based global paging system |
US5047763A (en) * | 1989-11-30 | 1991-09-10 | Motorola, Inc. | Selective call system with message rebroadcasting over another selective call system |
US5010317A (en) * | 1989-11-30 | 1991-04-23 | Motorola, Inc. | Satellite based simulcast paging system |
US5047762A (en) * | 1989-12-06 | 1991-09-10 | Motorola, Inc. | Method and apparatus for increasing co-channel utilization in a multi-station data communications network with overlapping coverage |
SE466230B (sv) * | 1990-05-23 | 1992-01-13 | Ericsson Telefon Ab L M | Foerfarande att i ett mobilradiosystem maeta en egen trafikfoerbindelses oeverfoeringskvalite |
US5081703A (en) * | 1990-06-27 | 1992-01-14 | Pactel Corporation | Satellite mobile communication system for rural service areas |
US5239671A (en) * | 1990-11-13 | 1993-08-24 | Pagemart, Inc. | Simulcast satellite paging system with provision for signal interruption |
US5261118A (en) * | 1991-10-04 | 1993-11-09 | Motorola, Inc. | Simulcast synchronization and equalization system and method therefor |
-
1990
- 1990-11-13 US US07/612,064 patent/US5239671A/en not_active Expired - Lifetime
-
1991
- 1991-11-06 AU AU87051/91A patent/AU658837B2/en not_active Ceased
- 1991-11-08 ES ES91310348T patent/ES2101724T3/es not_active Expired - Lifetime
- 1991-11-08 DE DE69124664T patent/DE69124664T2/de not_active Expired - Fee Related
- 1991-11-08 EP EP91310348A patent/EP0486229B1/de not_active Expired - Lifetime
- 1991-11-08 AT AT91310348T patent/ATE148973T1/de not_active IP Right Cessation
- 1991-11-12 JP JP3295812A patent/JPH04268833A/ja active Pending
- 1991-11-13 CA CA002055327A patent/CA2055327A1/en not_active Abandoned
-
1993
- 1993-08-24 US US08/111,723 patent/US5355529A/en not_active Expired - Fee Related
-
1994
- 1994-06-01 US US08/252,455 patent/US5483665A/en not_active Expired - Fee Related
-
1995
- 1995-02-14 AU AU12224/95A patent/AU686287B2/en not_active Ceased
- 1995-06-07 US US08/488,101 patent/US5574970A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5239671A (en) | 1993-08-24 |
EP0486229A2 (de) | 1992-05-20 |
US5483665A (en) | 1996-01-09 |
CA2055327A1 (en) | 1992-05-14 |
DE69124664T2 (de) | 1997-09-18 |
US5355529A (en) | 1994-10-11 |
AU658837B2 (en) | 1995-05-04 |
EP0486229A3 (en) | 1993-10-06 |
EP0486229B1 (de) | 1997-02-12 |
AU686287B2 (en) | 1998-02-05 |
AU1222495A (en) | 1995-04-13 |
ES2101724T3 (es) | 1997-07-16 |
US5574970A (en) | 1996-11-12 |
ATE148973T1 (de) | 1997-02-15 |
AU8705191A (en) | 1992-05-14 |
JPH04268833A (ja) | 1992-09-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE148973T1 (de) | Satellitenübertragungssystem für ein rufsystem | |
US4672655A (en) | Method for establishing a connection with a mobile subscriber and system for implementing the method | |
EP0401974A3 (de) | Funkübertragungssystem mit einer Frequenz | |
CA2068875A1 (en) | Satellite based global paging system | |
DE3851886D1 (de) | Sende-empfangseinrichtung für ein aktives phasengesteuertes gruppenantennensystem. | |
HK1008130A1 (en) | Alternating sequential half duplex communication system | |
CA2045693A1 (en) | Satellite based simulcast paging system | |
TW279295B (de) | ||
KR840006896A (ko) | 데이타 통신 시스템용 제어장치 | |
WO1994010803B1 (en) | Interactive nationwide data service communication system for stationary and mobile battery operated subscriber units | |
ATE124583T1 (de) | Multiplexierte adressensteuer-schaltung in einem zeitmultiplex vermittlungssystem. | |
ES2040710T3 (es) | Procedimiento para la transmision de senales digitales en sistemas radiofonia movil. | |
DE3061739D1 (en) | Radio network | |
SE9203335D0 (sv) | Radiomodul ingaaende i en primaer radiostation jaemte radiostruktur innehaallande saadana moduler | |
ATE123365T1 (de) | Satellitenübertragungssystem. | |
NL8301371A (nl) | Radio-oproepstelsel. | |
JPS5665538A (en) | Control signal relay system for mobile communication | |
EP0102129A3 (de) | Funkübertragungssystem | |
JPS63132535A (ja) | 無線中継送信局起動制御方式 | |
JPS5985143A (ja) | 衛星通信方式 | |
ATE52369T1 (de) | Sende- und empfangsverfahren fuer relaisstationen. | |
JPS62190937A (ja) | 無線送受信機群制御方式 | |
JPS6478530A (en) | Decentralized control type satellite communication network |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: MOTOROLA, INC., SCHAUMBURG, ILL., US |
|
8339 | Ceased/non-payment of the annual fee |