EG20504A - Position registration for cellular satellite communication system - Google Patents

Position registration for cellular satellite communication system

Info

Publication number
EG20504A
EG20504A EG2195A EG2195A EG20504A EG 20504 A EG20504 A EG 20504A EG 2195 A EG2195 A EG 2195A EG 2195 A EG2195 A EG 2195A EG 20504 A EG20504 A EG 20504A
Authority
EG
Egypt
Prior art keywords
mobile radio
radio telephone
communication system
satellite communication
paging
Prior art date
Application number
EG2195A
Other languages
English (en)
Original Assignee
Ericsson Eg Mobile Communicati
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 Ericsson Eg Mobile Communicati filed Critical Ericsson Eg Mobile Communicati
Application granted granted Critical
Publication of EG20504A publication Critical patent/EG20504A/xx

Links

Classifications

    • 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
    • H04B7/18545Arrangements for managing station mobility, i.e. for station registration or localisation
    • H04B7/18547Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station
    • H04B7/1855Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station using a telephonic control signal, e.g. propagation delay variation, Doppler frequency variation, power variation, beam identification
    • 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
    • H04B7/18545Arrangements for managing station mobility, i.e. for station registration or localisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
EG2195A 1994-01-11 1995-01-10 Position registration for cellular satellite communication system EG20504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17995894A 1994-01-11 1994-01-11

Publications (1)

Publication Number Publication Date
EG20504A true EG20504A (en) 1999-06-30

Family

ID=22658690

Family Applications (1)

Application Number Title Priority Date Filing Date
EG2195A EG20504A (en) 1994-01-11 1995-01-10 Position registration for cellular satellite communication system

Country Status (15)

Country Link
US (1) US6542716B1 (fr)
EP (1) EP0662758B1 (fr)
JP (1) JPH08510610A (fr)
KR (1) KR960701567A (fr)
CN (1) CN1071979C (fr)
AT (1) ATE197860T1 (fr)
AU (1) AU680348B2 (fr)
BR (1) BR9505638A (fr)
CA (1) CA2156738A1 (fr)
DE (1) DE69519484T2 (fr)
EG (1) EG20504A (fr)
FI (1) FI954209A (fr)
SG (1) SG55053A1 (fr)
WO (1) WO1995019094A1 (fr)
ZA (1) ZA95170B (fr)

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7924783B1 (en) * 1994-05-06 2011-04-12 Broadcom Corporation Hierarchical communications system
US6970434B1 (en) * 1995-06-07 2005-11-29 Broadcom Corporation Hierarchical communication system providing intelligent data, program and processing migration
US5907809A (en) * 1994-01-11 1999-05-25 Ericsson Inc. Position determination using multiple base station signals
US6195555B1 (en) 1994-01-11 2001-02-27 Ericsson Inc. Method of directing a call to a mobile telephone in a dual mode cellular satellite communication network
SG55053A1 (en) 1994-01-11 1998-12-21 Erricsson Inc Position registration for cellular satellite communication systems
US6868270B2 (en) 1994-01-11 2005-03-15 Telefonaktiebolaget L.M. Ericsson Dual-mode methods, systems, and terminals providing reduced mobile terminal registrations
DE69532171D1 (de) * 1995-01-05 2003-12-24 Ericsson Inc Positionsregistrierung für mobile telefone
GB2303764A (en) 1995-07-28 1997-02-26 Int Mobile Satellite Org Communication with a mobile station in an unknown spot beam
US5937352A (en) * 1996-05-13 1999-08-10 Trw Inc. Satellite-based cellular telecommunications system utilizing an earth station subsystem
US5890062A (en) * 1996-05-16 1999-03-30 Trw Inc. Satellite-based cellular telecommunications system utilizing a multiple registration location register
WO1998010535A1 (fr) * 1996-09-06 1998-03-12 Karl Wagner Systeme de communications sans fil faisant appel a un multiplexage d'orientation du faisceau
GB2317303B (en) 1996-09-09 1998-08-26 I Co Global Communications Communications apparatus and method
JPH10319109A (ja) * 1997-03-18 1998-12-04 Hitachi Inf Technol:Kk 移動体探索システム
GB2323988A (en) * 1997-04-01 1998-10-07 Ico Services Ltd Refining a satellite position estimate
KR100434475B1 (ko) * 1997-04-18 2004-07-16 삼성전자주식회사 휴대폰의 무선 정보 서비스 수신장치와 방법
US6175719B1 (en) * 1997-06-25 2001-01-16 Hughes Electronics Corporation Multi-spot-beam satellite system with broadcast and surge capacity capability
WO1999003228A1 (fr) * 1997-07-14 1999-01-21 Hughes Electronics Corporation Procede de correction des erreurs et de controle de flux a demande de repetition automatique a rejet de groupe
US6560461B1 (en) 1997-08-04 2003-05-06 Mundi Fomukong Authorized location reporting paging system
FI110658B (fi) 1998-01-15 2003-02-28 Nokia Corp Parannettu paikannusgeometria ja solupohjainen paikannusjärjestelmä
EP0967739A1 (fr) 1998-06-24 1999-12-29 ICO Services Ltd. Mesure de la caractéristique d'une cellule en mode repos et transmission au central en début d'appel
US6515617B1 (en) 1998-09-01 2003-02-04 Hughes Electronics Corporation Method and system for position determination using geostationary earth orbit satellite
AU5805299A (en) * 1998-09-08 2000-03-27 Angel Technologies Corporation Network for providing wireless communications using an atmospheric platform
US6414944B1 (en) 1998-10-08 2002-07-02 Ericsson Inc. Management of spotbeam selection information in satellite mobile communication systems
US6553225B1 (en) 1999-02-03 2003-04-22 Wei Zhao Apparatus and method for positioning single-offset zones in a spot beam coverage area to maximize call duration in a satellite-based communications network
US6332069B1 (en) 1999-02-10 2001-12-18 Hughes Electronics Corporation Apparatus and method for grouping carriers to minimize the occurrence of call blocking in a satellite-based communications network
DE69903912D1 (de) * 1999-03-04 2002-12-19 Ico Services Ltd Erzeugung einer Liste Nachbarzellen in einer mobilen Satelliten Kommunikationsanordnung
EP1041739A1 (fr) * 1999-03-30 2000-10-04 ICO Services Ltd. Selection d'une cellule en mode désactivé
US7215650B1 (en) 1999-08-16 2007-05-08 Viasat, Inc. Adaptive data rate control for narrowcast networks
JP3488144B2 (ja) * 1999-08-24 2004-01-19 松下電器産業株式会社 位置通知装置
JP2001160801A (ja) * 1999-12-02 2001-06-12 Sony Corp 二重方式デジタルデータ伝送方法および装置
JP2001309419A (ja) * 2000-04-21 2001-11-02 Fujitsu Ltd 移動通信システムの位置登録方法及びその移動機
US7142520B1 (en) * 2000-06-16 2006-11-28 Nokia Mobile Phones Ltd. Method and apparatus for mobile internet protocol regional paging
US6859652B2 (en) 2000-08-02 2005-02-22 Mobile Satellite Ventures, Lp Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis
US20030069750A1 (en) * 2000-08-11 2003-04-10 Sony Corporation System for automatic device registration
US7792488B2 (en) 2000-12-04 2010-09-07 Atc Technologies, Llc Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength
US7079511B2 (en) * 2000-12-06 2006-07-18 Qualcomm, Incorporated Method and apparatus for handoff of a wireless packet data services connection
AU2002228208B2 (en) * 2001-02-12 2007-05-10 Ico Services Limited Communication apparatus and method with links to mobile terminals via a satellite or a terrestrial network with partly reuse of the frequency band
JP3717805B2 (ja) * 2001-06-07 2005-11-16 三洋電機株式会社 移動通信端末機
US7373105B2 (en) * 2001-11-07 2008-05-13 The Aerospace Corporation Method of determining communication link quality employing beacon signals
JP4007812B2 (ja) * 2002-01-18 2007-11-14 富士通株式会社 ラマン増幅器および波長多重光通信システム、並びに、ラマン増幅の制御方法
MXPA05000102A (es) * 2002-06-24 2005-06-06 Qualcomm Inc Metodo para la sincronizacion de enlace de retorno en un sistema satelital de cdma ortogonal.
US20060171335A1 (en) * 2005-02-03 2006-08-03 Michael Yuen Backup channel selection in wireless LANs
US7751826B2 (en) 2002-10-24 2010-07-06 Motorola, Inc. System and method for E911 location privacy protection
KR100947513B1 (ko) * 2002-11-18 2010-03-12 엘지전자 주식회사 이동통신단말기의 착신불능 안내방법
GB2413914B (en) * 2003-01-16 2007-04-04 Obs Inc Systems and methods for mobile security and monitoring
US7869822B2 (en) * 2003-02-24 2011-01-11 Autocell Laboratories, Inc. Wireless network apparatus and system field of the invention
US7149539B2 (en) * 2003-02-24 2006-12-12 Autocell Laboratories, Inc Program for self-adjusting power at a wireless station to reduce inter-channel interference
CN1319405C (zh) * 2003-03-27 2007-05-30 华为技术有限公司 在监听系统中定位目标用户设备的方法及系统
US7366516B1 (en) 2003-05-14 2008-04-29 Sprint Spectrum L.P. Localized SMS messaging based on location of a mobile station
CN100486145C (zh) * 2003-08-15 2009-05-06 华为技术有限公司 实现空中监听的方法和监听设备
US7440472B2 (en) * 2003-08-28 2008-10-21 Tekelec Methods and systems for providing wireless local area network (WLAN)—base transceiver station (BTS) gateway
KR100843541B1 (ko) * 2003-09-05 2008-07-04 인터내셔널 비지네스 머신즈 코포레이션 이동 컴퓨팅 디바이스의 자동 검출을 위한 컴퓨터 구현 방법과 그 장치 및 컴퓨터 판독 가능한 기록 매체
CN1857022B (zh) * 2003-09-23 2011-07-06 Atc科技有限责任公司 在重叠的卫星和陆地通信系统中用于移动性管理的系统和方法
US7466679B2 (en) * 2003-12-31 2008-12-16 Motorola, Inc. Method and system for maintaining registration information for multiple communication areas
US7738488B2 (en) * 2004-09-15 2010-06-15 Tekelec Methods, systems, and computer program products for providing wireless-fidelity (Wi-Fi) gateway visitor location register (VLR) functionality
KR100584377B1 (ko) 2004-09-25 2006-05-26 삼성탈레스 주식회사 주파수 오차에 강한 비콘 신호 수신 장치 및 방법
KR100677428B1 (ko) * 2005-01-29 2007-02-02 엘지전자 주식회사 이동통신 단말기
US20060171305A1 (en) * 2005-02-03 2006-08-03 Autocell Laboratories, Inc. Access point channel forecasting for seamless station association transition
US20060171304A1 (en) * 2005-02-03 2006-08-03 Hill David R WLAN background scanning
US7796986B2 (en) * 2005-03-11 2010-09-14 Atc Technologies, Llc Modification of transmission values to compensate for interference in a satellite down-link communications
US20060246899A1 (en) 2005-04-28 2006-11-02 Research In Motion Limited System and method for providing network advertisement information via a network advertisement broker (NAB)
US7593711B2 (en) * 2005-05-18 2009-09-22 Lojack Operating Company, Lp Vehicle locating unit with improved power management method
US20070004404A1 (en) * 2005-07-01 2007-01-04 Research In Motion Limited System and method for accelerating network selection by a wireless user equipment (UE) device using satellite-based positioning system
US8428584B2 (en) 2005-07-01 2013-04-23 Research In Motion Limited System and method for accelerating network selection by a wireless user equipment (UE) device
US8411616B2 (en) 2005-11-03 2013-04-02 Piccata Fund Limited Liability Company Pre-scan for wireless channel selection
EP1980124B1 (fr) * 2006-01-27 2017-03-29 Telefonaktiebolaget LM Ericsson (publ) Positionnement de polygone comportant une mesure de l'affaiblissement du trajet
DE102006008463A1 (de) * 2006-02-17 2007-08-23 Kaco Gmbh + Co. Kg Prüfvorrichtung zur Erfassung der Dampfemission an wenigstens einer Leckagestelle, vorzugsweise bei Gleitringdichtungen, insbesondere im automotiven Bereich
US8010105B2 (en) 2006-05-19 2011-08-30 Research In Motion Limited System and method for facilitating accelerated network selection using a weighted network list
EP1858278B1 (fr) 2006-05-19 2013-05-15 Research In Motion Limited Système et procédé pour faciliter la sélection de réseau accélérée dans un environnement de réseau radio
US8009628B2 (en) * 2007-02-28 2011-08-30 Telefonaktiebolaget Lm Ericsson (Publ) Private mobility management enhancements
WO2009079653A2 (fr) * 2007-12-18 2009-06-25 Zte U.S.A., Inc. Transfert efficace de services de diffusion/multidiffusion générale (mbs) wimax et support économiseur d'énergie pour des zones intra et inter-mbs
US8601146B2 (en) * 2009-10-21 2013-12-03 Tekelec, Inc. Methods, systems, and computer readable media for session initiation protocol (SIP) identity verification
CN103621148B (zh) 2011-07-27 2018-05-11 马维尔国际贸易有限公司 减少plmn搜索时间
US10136391B2 (en) 2012-01-05 2018-11-20 Tara Chand Singhal System and method to enhance battery life in cell phone devices
US8923858B2 (en) * 2012-02-21 2014-12-30 Marvell World Trade Ltd. Parallel multi-RAT PLMN search
US8938016B1 (en) 2012-09-18 2015-01-20 Marvell International Ltd. Fast identification of OFDM signal
EP2735883B1 (fr) * 2012-11-27 2024-10-30 Eutelsat SA Procédé de localisation géographique d'un terminal envoyant un signal unique à un satellite
GB2513302A (en) * 2013-04-15 2014-10-29 Inmarsat Global Ltd Transmitter positioning for satellite communications
CN107852227B (zh) * 2015-07-24 2021-01-26 高通股份有限公司 卫星通信位置报告和寻呼方法和装置
EP3329616B1 (fr) * 2015-07-27 2019-03-27 Signify Holding B.V. Dispositif émetteur de lumière pour générer de la lumière avec des informations intégrées
EP3513510B1 (fr) * 2016-09-13 2021-12-29 QUALCOMM Incorporated Liste de cellules voisines dans un système de communication par satellite
CN108306669A (zh) * 2017-01-11 2018-07-20 深圳市首欣通达科技有限公司 一种基于正交频分复用的双模卫星通话方法
EP3668197B1 (fr) 2018-12-12 2021-11-03 Rohde & Schwarz GmbH & Co. KG Procédé et radio pour régler la puissance de transmission d'une transmission radio
CN110636609A (zh) * 2019-10-23 2019-12-31 广州爱浦路网络技术有限公司 基于卫星网络终端寻呼优化的方法
US11641587B2 (en) 2021-03-10 2023-05-02 International Business Machines Corporation Location optimization in a communication network
US11805395B1 (en) * 2022-07-11 2023-10-31 Syniverse Technologies, Llc Message routing system for cellular to satellite networks

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3200965A1 (de) * 1982-01-14 1983-07-21 Siemens AG, 1000 Berlin und 8000 München Nachbarfunkzellen-organisationskanal-verweissystem
US5303286A (en) * 1991-03-29 1994-04-12 Space Systems/Loral, Inc. Wireless telephone/satellite roaming system
US4972456A (en) 1989-02-10 1990-11-20 Gte Mobilnet Incorporated Rural radiotelephone system
US5187805A (en) 1989-10-02 1993-02-16 Motorola, Inc. Telemetry, tracking and control for satellite cellular communication systems
US5287541A (en) * 1989-11-03 1994-02-15 Motorola, Inc. Global satellite communication system with geographic protocol conversion
JP2833818B2 (ja) * 1990-03-14 1998-12-09 日本電気株式会社 位置登録方式
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
US5119504A (en) 1990-07-19 1992-06-02 Motorola, Inc. Position aided subscriber unit for a satellite cellular system
US5218619A (en) * 1990-12-17 1993-06-08 Ericsson Ge Mobile Communications Holding, Inc. CDMA subtractive demodulation
US5151919A (en) 1990-12-17 1992-09-29 Ericsson-Ge Mobile Communications Holding Inc. Cdma subtractive demodulation
US5208756A (en) * 1991-01-28 1993-05-04 Song Han L Vehicle locating and navigating system
DE69227269T2 (de) * 1991-02-25 1999-06-02 Motorola, Inc., Fort Worth, Tex. Gegenstandsortungssystem
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 (fr) 1991-10-10 2003-12-02 Robert A. Wiedeman Systeme de telecommunications satellite utilisant une passerelle de coordination de reseau fonctionnant avec un systeme de communication terrestre
ATE146637T1 (de) * 1991-11-08 1997-01-15 Calling Communications Corp Strahlkompensationsverfahren für satellitenkommunikationssystem
US5235633A (en) * 1991-12-26 1993-08-10 Everett Dennison Cellular telephone system that uses position of a mobile unit to make call management decisions
US5343512A (en) * 1992-03-27 1994-08-30 Motorola, Inc. Call setup method for use with a network having mobile end users
US5313457A (en) * 1992-04-14 1994-05-17 Trimble Navigation Limited Code position modulation system and method for multiple user satellite communications
US5369681A (en) * 1992-05-12 1994-11-29 Telefonaktiebolaget L M Ericsson Cellular communications system utilizing paging areas
JP2997610B2 (ja) * 1993-07-07 2000-01-11 三菱電機株式会社 移動体衛星通信システム
US5483664A (en) * 1993-07-26 1996-01-09 Motorola, Inc. Cellular communications with scheduled handoffs
US5543813A (en) * 1993-08-12 1996-08-06 Kokusai Denshin Denwa Kabushiki Kaisha System for determining and registering location of mobile terminal for communication system with non-geosynchronous satellites
US5428816A (en) * 1993-09-09 1995-06-27 Hughes Aircraft Company Method and apparatus for mobile assisted handoff
US5668837A (en) * 1993-10-14 1997-09-16 Ericsson Inc. Dual-mode radio receiver for receiving narrowband and wideband signals
DE4497810T1 (de) * 1993-10-14 1995-12-21 Ericsson Ge Mobile Communicat Adaptiver Bandbreiten-Empfänger
CA2134729C (fr) * 1993-11-01 1999-09-07 Thomas E. Buss Dispositif et methode de reception d'informations dependant du lieu
US5907809A (en) * 1994-01-11 1999-05-25 Ericsson Inc. Position determination using multiple base station signals
US6195555B1 (en) * 1994-01-11 2001-02-27 Ericsson Inc. Method of directing a call to a mobile telephone in a dual mode cellular satellite communication network
SG55053A1 (en) 1994-01-11 1998-12-21 Erricsson Inc Position registration for cellular satellite communication systems
US5535432A (en) * 1994-09-14 1996-07-09 Ericsson Ge Mobile Communications Inc. Dual-mode satellite/cellular phone with a frequency synthesizer
US5613204A (en) * 1994-12-22 1997-03-18 Bell Atlantic Mobile Systems, Inc. Beacon system for roaming cellular stations
DE69532171D1 (de) * 1995-01-05 2003-12-24 Ericsson Inc Positionsregistrierung für mobile telefone
US6021122A (en) * 1996-06-07 2000-02-01 Qualcomm Incorporated Method and apparatus for performing idle handoff in a multiple access communication system
US5978366A (en) * 1996-12-20 1999-11-02 Ericsson Inc. Methods and systems for reduced power operation of cellular mobile terminals

Also Published As

Publication number Publication date
ZA95170B (en) 1995-12-12
EP0662758A2 (fr) 1995-07-12
US6542716B1 (en) 2003-04-01
FI954209A0 (fi) 1995-09-08
CN1124082A (zh) 1996-06-05
MX9503862A (es) 1997-04-30
BR9505638A (pt) 1996-01-09
EP0662758A3 (fr) 1998-04-22
SG55053A1 (en) 1998-12-21
AU1725895A (en) 1995-08-01
KR960701567A (ko) 1996-02-24
FI954209A (fi) 1995-09-08
JPH08510610A (ja) 1996-11-05
EP0662758B1 (fr) 2000-11-29
ATE197860T1 (de) 2000-12-15
CA2156738A1 (fr) 1995-07-13
AU680348B2 (en) 1997-07-24
DE69519484D1 (de) 2001-01-04
CN1071979C (zh) 2001-09-26
WO1995019094A1 (fr) 1995-07-13
DE69519484T2 (de) 2001-04-05

Similar Documents

Publication Publication Date Title
EG20504A (en) Position registration for cellular satellite communication system
WO1996021332A3 (fr) Signalisation de position pour telephones mobiles
GB2335575A (en) Method and system for optimizing a traffic channel in a wireless communications system
AU7920898A (en) Method, base station, mobile station and cellular radio system for handover and cell-reselection
TW349316B (en) Connecting a multimode terminal to the network in a mobile communication system
SE9202453D0 (sv) Cellular radio telephone communication system for multi-mode mobile radio telephone stations
GB2311697B (en) Wireless communication system and method and system for detection of position of radio mobile station
HK1042806A1 (en) In a wireless telecom system, method and apparatusfor reselection of a base station by a mobile sta tion
WO1998006228A3 (fr) Procede permettant de determiner un mode de communication
HK1027311A1 (en) A method and an arrangement for controlling scanning of radio channels by a mobile station operatingin standby mode.
WO1997047148A3 (fr) Utilisation d'un signal a puissance accrue pour determiner la position d'un abonne a un service mobile dans un systeme telephonique cellulaire amdc
SE9402289L (sv) Förfarande och anordning i ett analogt mobiltelesystem
ATE202662T1 (de) Linearer offsetkompensierter hochfrequenzdetektor
CA2247913A1 (fr) Procede et dispositif d'amelioration de la qualite d'etablissement et de transfert d'un appel
TW351908B (en) Method and apparatus for inter-system handoff within a plurality hyperband supporting cellular telephone network
NO992551D0 (no) FremgangsmÕte for Õ forbedre forbindelseskvalitet og systemkapasitet, samt celledelt radiosystem
SG60172A1 (en) Radio communication method and radio communication system between base station and mobile station
GB2314731A8 (en) Handover management system for cellular network
MX9606519A (es) Control intracelular con antenas direccionales.
MY109273A (en) Combined mobile radio communication system
SE9802387D0 (sv) Mobile telecommunication system