IL115596A - Method and apparatus for handoff between different cellular communications systems - Google Patents

Method and apparatus for handoff between different cellular communications systems

Info

Publication number
IL115596A
IL115596A IL11559695A IL11559695A IL115596A IL 115596 A IL115596 A IL 115596A IL 11559695 A IL11559695 A IL 11559695A IL 11559695 A IL11559695 A IL 11559695A IL 115596 A IL115596 A IL 115596A
Authority
IL
Israel
Prior art keywords
handoff
communications systems
cellular communications
different cellular
different
Prior art date
Application number
IL11559695A
Other languages
English (en)
Other versions
IL115596A0 (en
Original Assignee
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IL115596A0 publication Critical patent/IL115596A0/xx
Publication of IL115596A publication Critical patent/IL115596A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
IL11559695A 1994-10-16 1995-10-12 Method and apparatus for handoff between different cellular communications systems IL115596A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/322,817 US5697055A (en) 1994-10-16 1994-10-16 Method and apparatus for handoff between different cellular communications systems

Publications (2)

Publication Number Publication Date
IL115596A0 IL115596A0 (en) 1996-01-19
IL115596A true IL115596A (en) 1999-11-30

Family

ID=23256566

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11559695A IL115596A (en) 1994-10-16 1995-10-12 Method and apparatus for handoff between different cellular communications systems

Country Status (6)

Country Link
US (1) US5697055A (enExample)
AU (1) AU3825695A (enExample)
IL (1) IL115596A (enExample)
TW (1) TW321807B (enExample)
WO (1) WO1996012380A1 (enExample)
ZA (1) ZA958574B (enExample)

Families Citing this family (156)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5790528A (en) * 1994-01-27 1998-08-04 Nokia Telecommunications Oy Semi-hard handoff in a cellular telecommunications systems
FI98976C (fi) * 1994-07-11 1997-09-10 Nokia Telecommunications Oy Menetelmä kanavanvaihdon suorittamiseksi ja solukkoradiojärjestelmä
US6418324B1 (en) 1995-06-01 2002-07-09 Padcom, Incorporated Apparatus and method for transparent wireless communication between a remote device and host system
EP0872140B1 (en) * 1995-08-31 2004-07-14 Nokia Corporation A method for selecting the way to perform a handover, and a cellular radio system
US6205132B1 (en) * 1996-02-22 2001-03-20 Korea Mobile Telecommunications Corp. Method for accessing a cell using two pilot channels in a CDMA communication system of an asynchronous or quasi-synchronous mode
US5978679A (en) * 1996-02-23 1999-11-02 Qualcomm Inc. Coexisting GSM and CDMA wireless telecommunications networks
US5940762A (en) * 1996-05-01 1999-08-17 Lee; Kuo-Chun Inter-system calling supporting inter-system soft handoff
US6449305B1 (en) * 1996-05-10 2002-09-10 Motorola, Inc. Method and apparatus for performing handoff in a spread-spectrum communication system
US5828661A (en) * 1996-05-22 1998-10-27 Qualcomm Incorporated Method and apparatus for providing a cone of silence in a cellular communication system
US5917811A (en) * 1996-05-22 1999-06-29 Qualcomm Incorporated Method and apparatus for measurement directed hard handoff in a CDMA system
US5926470A (en) * 1996-05-22 1999-07-20 Qualcomm Incorporated Method and apparatus for providing diversity in hard handoff for a CDMA system
US5848063A (en) * 1996-05-23 1998-12-08 Qualcomm Incorporated Method and apparatus for hard handoff in a CDMA system
JP3173565B2 (ja) * 1996-06-20 2001-06-04 日本電気株式会社 Ｃｄｍａシステムにおけるアクセス規制装置
US6215982B1 (en) 1996-06-28 2001-04-10 Cisco Systems, Inc. Wireless communication method and device with auxiliary receiver for selecting different channels
US6047175A (en) * 1996-06-28 2000-04-04 Aironet Wireless Communications, Inc. Wireless communication method and device with auxiliary receiver for selecting different channels
AU717264B2 (en) * 1996-07-16 2000-03-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for inter-system handoff within a plural hyperband supporting cellular telephone network
US5937019A (en) * 1996-08-07 1999-08-10 Qualcomm Incorporated Method and apparatus for reliable intersystem handoff in a CDMA system
US6233456B1 (en) * 1996-09-27 2001-05-15 Qualcomm Inc. Method and apparatus for adjacent coverage area handoff in communication systems
US5911122A (en) * 1996-10-01 1999-06-08 Telefonaktiebolaget Lm Ericsson Inter-exchange passing of hand-off related parameters
JP3369063B2 (ja) * 1996-10-18 2003-01-20 松下電器産業株式会社 移動通信端末
US5883888A (en) * 1996-12-03 1999-03-16 Telefonaktiebolaget Lm Ericsson Seamless soft handoff in a CDMA cellular communications system
US6026301A (en) * 1996-12-17 2000-02-15 Northern Telecom Limited Method for hard handoff in a CDMA cellular environment
US6021328A (en) * 1996-12-19 2000-02-01 Northern Telecom Limited Radio link quality handoff trigger
US6047191A (en) * 1997-02-14 2000-04-04 Telefonaktiebolaget Lm Ericsson Method of selecting a voice channel in a radio telecommunications network
US5999816A (en) * 1997-02-18 1999-12-07 Qualcomm Incorporated Method and apparatus for performing mobile assisted hard handoff between communication systems
US5901145A (en) * 1997-02-28 1999-05-04 Telefonaktiebolaget L M Ericsson (Publ) Mobile station handoff between a spread spectrum communications system and a frequency division communications system
US6002933A (en) * 1997-04-29 1999-12-14 Qualcomm Incorporated Inter-system soft handoff
CN1129342C (zh) * 1997-05-05 2003-11-26 摩托罗拉公司 多路访问通信系统之间的用户越区切换
US6091717A (en) * 1997-05-05 2000-07-18 Nokia Mobile Phones Limited Method for scheduling packet data transmission
WO1998053620A1 (en) * 1997-05-19 1998-11-26 Northern Telecom Limited Boundary sector hard handoff trigger
JP3058261B2 (ja) * 1997-05-28 2000-07-04 日本電気株式会社 Ｃｄｍａハンドオフ方式及びそれを用いた移動通信セルラーシステムとその基地局
US6151512A (en) * 1997-05-28 2000-11-21 Nortel Networks Corporation Communication system having optimum resource arrangements in a multi-sectored environment and method therefor
US6201802B1 (en) * 1997-08-29 2001-03-13 Qualcomm Inc. Method and apparatus for analyzing base station timing
US6115608A (en) * 1997-09-10 2000-09-05 Northern Telecom Limited Intersystem handover method and apparatus
CA2267367C (en) * 1997-09-30 2002-07-30 Mitsubishi Denki Kabushiki Kaisha Mobile station with down-link frame numbering
FI110300B (fi) * 1997-10-22 2002-12-31 Nokia Corp Menetelmä diversiteettivastaanoton soveltamiseksi matkaviestinjärjestelmässä
US6216012B1 (en) * 1997-11-07 2001-04-10 Conexant Systems, Inc. Dualband power amplifier control using a single power amplifier controller
JP2001524793A (ja) * 1997-11-26 2001-12-04 クゥアルコム・インコーポレイテッド 中継装置の使用を通してｃｄｍａシステムにおけるハンドオフを実行する方法および装置
GB9725659D0 (en) * 1997-12-03 1998-02-04 Nokia Mobile Phones Ltd The LPRF system with frequency hopping extensions
US5991628A (en) * 1997-12-19 1999-11-23 Motorola, Inc. Scalable wireless communication network and method
US6496707B1 (en) 1998-01-23 2002-12-17 Lucent Technologies Inc. System and method for optimizing a wireless network by adaptive configuration of base stations and wireless terminals
US6603751B1 (en) * 1998-02-13 2003-08-05 Qualcomm Incorporated Method and system for performing a handoff in a wireless communication system, such as a hard handoff
JP3116895B2 (ja) 1998-03-30 2000-12-11 日本電気株式会社 Ｉｓ−９５基地局装置とｗ−ｃｄｍａ基地局装置および移動通信システムならびに周波数共用方法
JP2930206B1 (ja) * 1998-03-30 1999-08-03 埼玉日本電気株式会社 移動通信システムのハンドオフ装置
GB2337416B (en) * 1998-05-14 2003-01-15 Fujitsu Ltd Improving backhaul in cellular mobile communications networks
KR100291279B1 (ko) * 1998-05-15 2001-06-01 박종섭 이동국의핸드오프시도방법
US20030194033A1 (en) 1998-05-21 2003-10-16 Tiedemann Edward G. Method and apparatus for coordinating transmission of short messages with hard handoff searches in a wireless communications system
KR100291476B1 (ko) * 1998-05-25 2001-07-12 윤종용 파일럿측정요구명령제어방법및시스템
US7876729B1 (en) * 1998-07-20 2011-01-25 Qualcomm Incorporated Intersystem base station handover
DE19834674A1 (de) 1998-07-31 2000-02-03 Ericsson Telefon Ab L M Verfahren, Vermittlungsstelle, Telekommunikationssystem und Mobilstation für ein vorübergehendes selektives nationales Roaming bei vorgegebenen Netzbetriebsbedingungen in einem Mobilfunk-Kommunikationssystem
US6470184B1 (en) * 1998-09-11 2002-10-22 Nec Corporation Mobile communication system in which traffics are equalized
SE516058C2 (sv) * 1998-09-22 2001-11-12 Telia Ab Förbättringar av, eller med avseende på, roaming i mobilkommunikationsnät
US6411644B1 (en) * 1998-09-29 2002-06-25 Lucent Technologies Inc. Frequency hop pilot technique for a control system that reduces distortion produced by electrical circuits
US6253087B1 (en) * 1998-09-30 2001-06-26 Telefonaktiebolaget Lm Ericsson Method and system for improved traffic management in wireless telecommunication systems
SE514808C2 (sv) * 1998-10-07 2001-04-30 Telia Ab Metod att i ett första cellulärt mobiltelefonnät inhämta information om celler i ett andra cellulärt mobiltelefonnät
US7136645B2 (en) 1998-10-09 2006-11-14 Netmotion Wireless, Inc. Method and apparatus for providing mobile and other intermittent connectivity in a computing environment
US7293107B1 (en) 1998-10-09 2007-11-06 Netmotion Wireless, Inc. Method and apparatus for providing mobile and other intermittent connectivity in a computing environment
US8078727B2 (en) 1998-10-09 2011-12-13 Netmotion Wireless, Inc. Method and apparatus for providing mobile and other intermittent connectivity in a computing environment
US7778260B2 (en) 1998-10-09 2010-08-17 Netmotion Wireless, Inc. Method and apparatus for providing mobile and other intermittent connectivity in a computing environment
US8060656B2 (en) 1998-10-09 2011-11-15 Netmotion Wireless, Inc. Method and apparatus for providing mobile and other intermittent connectivity in a computing environment
KR100547838B1 (ko) * 1998-11-17 2006-03-23 삼성전자주식회사 부호분할다중접속 통신시스템에서 전용제어채널의 핸드오프방법
US6567666B2 (en) 1998-12-02 2003-05-20 Infineon Technologies North America Corp. Forward link inter-generation soft handoff between 2G and 3G CDMA systems
US6327469B1 (en) * 1998-12-11 2001-12-04 Motorola, Inc. Channel scanning method and apparatus
US6456858B1 (en) * 1998-12-21 2002-09-24 Verizon Wireless System and methods in a dual mode wireless system for transmitting rescan command based on detected network conditions
US20020082019A1 (en) * 1998-12-30 2002-06-27 Oguz Sunay Methods and apparatus for accomplishing inter-frequency, inter-network, and inter-tier soft handoff using dual transmission/reception or compression
US6587446B2 (en) 1999-02-11 2003-07-01 Qualcomm Incorporated Handoff in a wireless communication system
US6862447B1 (en) 1999-02-16 2005-03-01 Lucent Technologies Inc. Method of making downlink operational measurements in a wireless communication system
EP1043845A1 (en) * 1999-04-06 2000-10-11 Telefonaktiebolaget L M Ericsson (Publ) A method of and equipment for performing radio communication in a plurality of radio communication environments
US6549787B1 (en) * 1999-04-26 2003-04-15 Samsung Electronics Co., Ltd. System and method for use in an MSC-BS interface for supporting an access state handoff
WO2000072620A1 (en) * 1999-05-25 2000-11-30 Ericsson, Inc. Handoff in a mobile system through an external network
FI112583B (fi) * 1999-05-26 2003-12-15 Nokia Corp Menetelmä solukkoradiojärjestelmien välisten kanavanvaihtomittausten toteuttamiseksi ja päätelaite
US6614769B1 (en) * 1999-06-01 2003-09-02 Motorola, Inc. Communications unit for seamless handover between networks and method of use therefor
US7882247B2 (en) 1999-06-11 2011-02-01 Netmotion Wireless, Inc. Method and apparatus for providing secure connectivity in mobile and other intermittent computing environments
AU5261500A (en) * 1999-06-24 2001-01-31 Telefonaktiebolaget Lm Ericsson (Publ) Network-evaluated handover assisted by both mobile and base-stations
JP3293599B2 (ja) * 1999-07-28 2002-06-17 日本電気株式会社 Ｃｄｍａ移動通信システム及びそのシステム間ハンドオフ制御方法
EP1081979A1 (en) 1999-08-31 2001-03-07 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Subscriber station, network control means and method for carrying out inter-frequency measurements in a mobile communication system
KR100680072B1 (ko) 1999-09-14 2007-02-09 유티스타콤코리아 유한회사 비동기 이동통신 시스템에서 호 처리 및 핸드오프 처리 방법
US6845238B1 (en) 1999-09-15 2005-01-18 Telefonaktiebolaget Lm Ericsson (Publ) Inter-frequency measurement and handover for wireless communications
KR100681469B1 (ko) * 1999-09-18 2007-02-12 삼성전자주식회사 비동기 이동통신시스템에서 보조동기채널들을 구비하는 동기 이동통신시스템으로의 핸드오프 수행장치 및 방법
US6600917B1 (en) 1999-10-04 2003-07-29 Telefonaktiebolaget Lm Ericsson (Publ) Telecommunications network broadcasting of service capabilities
US6606485B1 (en) 1999-10-06 2003-08-12 Qualcomm, Incorporated Candidate system search and soft handoff between frequencies in a multi-carrier mobile communication system
US7023822B1 (en) * 2000-10-12 2006-04-04 Via Telecom Co., Ltd. Method and apparatus for initiating a reverse link intergenerational handoff in a CDMA communication system
US7072311B1 (en) * 1999-10-12 2006-07-04 Via Telecom Co., Ltd. Method and apparatus for initiating a reverse link intergenerational handoff in a CDMA communication system
KR100645942B1 (ko) 1999-11-13 2006-11-14 유티스타콤코리아 유한회사 비동기 무선 망에서 동기 무선 망으로의 비동기 이동국의핸드오프 처리방법
GB2357398B (en) * 1999-12-16 2003-11-12 Ericsson Telefon Ab L M Telecommunications network
FI19992729A7 (fi) * 1999-12-20 2001-06-21 Nokia Corp Tajuusalueen vaihto tietoliikennejärjestelmässä
KR100358359B1 (ko) * 1999-12-29 2002-10-25 한국전자통신연구원 3세대 직접확산시스템으로부터 2세대 또는 3세대동기시스템으로의 핸드오버방법
KR100350481B1 (ko) * 1999-12-30 2002-08-28 삼성전자 주식회사 비동기 이동통신시스템에서 동기 이동통신시스템으로의핸드오프 수행장치 및 방법
US6438117B1 (en) * 2000-01-07 2002-08-20 Qualcomm Incorporated Base station synchronization for handover in a hybrid GSM/CDMA network
JP3399428B2 (ja) * 2000-01-12 2003-04-21 日本電気株式会社 移動通信システム
DE10010958A1 (de) * 2000-03-06 2001-09-20 Siemens Ag Verfahren zur Intersystem-Verbindungsweiterschaltung
US6535739B1 (en) 2000-04-07 2003-03-18 Qualcomm Incorporated Method of handoff within a telecommunications system containing digital base stations with different spectral capabilities
US7130285B2 (en) * 2000-04-12 2006-10-31 Samsung Electronics Co., Ltd. Method for providing concurrent service handoff in a mobile communication system
GB2362785B (en) 2000-05-27 2004-05-05 Motorola Inc Communication system and method of administering connections therein
US10684350B2 (en) 2000-06-02 2020-06-16 Tracbeam Llc Services and applications for a communications network
US10641861B2 (en) 2000-06-02 2020-05-05 Dennis J. Dupray Services and applications for a communications network
US7843878B2 (en) * 2000-12-04 2010-11-30 Ericsson Ab Method and apparatus to control handoff between different wireless systems
US6907244B2 (en) * 2000-12-14 2005-06-14 Pulse-Link, Inc. Hand-off between ultra-wideband cell sites
US7409028B2 (en) * 2000-12-22 2008-08-05 Ericsson Inc. Clock synchronization in a communications environment
US6804532B1 (en) * 2000-12-22 2004-10-12 Cisco Technology, Inc. System and method for re-routing communications based on wireless communication link quality
US6961573B1 (en) 2000-12-22 2005-11-01 Cisco Technology, Inc. System and method for routing communications based on wireless communication link quality
EP2627008A3 (en) 2000-12-29 2013-09-11 Intel Mobile Communications GmbH Channel codec processor configurable for multiple wireless communications standards
US7903610B2 (en) * 2001-04-03 2011-03-08 Nokia Corporation Reverse link handoff mechanism with hybrid ARQ and cell site selection
US7181218B2 (en) * 2001-04-10 2007-02-20 Telefonaktiebolaget Lm Ericsson (Publ) Commanding handover between differing radio access technologies
JP3492646B2 (ja) * 2001-04-20 2004-02-03 松下電器産業株式会社 基地局探索方法および移動体無線端末装置
ATE350868T1 (de) * 2001-05-10 2007-01-15 Nortel Networks Ltd System und verfahren zur umleitung von kommunikation zwischen mobiltelekommunikationsnetzen mit unterschiedlichen funkzugangstechnologien
US20030026229A1 (en) * 2001-07-26 2003-02-06 Dave Larson Virtual data trunks between switching points using an IP network
US7644171B2 (en) 2001-09-12 2010-01-05 Netmotion Wireless, Inc. Mobile networking system and method using IPv4 and IPv6
US20030060200A1 (en) * 2001-09-27 2003-03-27 Soliman Samir S. Handoff method and apparatus with dual pilots in a communication system
US7346032B2 (en) * 2001-12-07 2008-03-18 Qualcomm Incorporated Method and apparatus for effecting handoff between different cellular communications systems
CN100473000C (zh) * 2001-12-07 2009-03-25 高通股份有限公司 在混合通信网络中的认证
CN100438372C (zh) * 2001-12-07 2008-11-26 高通股份有限公司 混合通信网络中的切换
AU2002351302B2 (en) * 2001-12-07 2008-01-31 Qualcomm, Incorporated Apparatus and method of using a ciphering key in a hybrid communications network
KR100425125B1 (ko) * 2001-12-21 2004-03-31 엘지전자 주식회사 서로 다른 망 사업자간의 핸드오프 처리 장치 및 방법
TW200721738A (en) * 2002-07-31 2007-06-01 Interdigital Tech Corp Wireless personal communicator and communication method
KR100810332B1 (ko) * 2002-12-05 2008-03-04 삼성전자주식회사 서로 다른 이동통신시스템들 사이의 핸드오버 장치 및 방법
US7085570B2 (en) * 2002-12-23 2006-08-01 Nokia Corporation Handover method, system and radio network controller
US7162252B2 (en) * 2002-12-23 2007-01-09 Andrew Corporation Method and apparatus for supporting multiple wireless carrier mobile station location requirements with a common network overlay location system
US7450943B2 (en) * 2003-02-12 2008-11-11 Qualcomm Incorporated Method and apparatus for determining coverage and switching between overlay communication systems
JP2004260444A (ja) * 2003-02-25 2004-09-16 Ntt Docomo Inc ハンドオーバ制御システム及びその方法並びに移動端末、ハンドオーバ制御装置
US7583633B2 (en) * 2003-02-28 2009-09-01 Telefonaktiebolaget Lm Ericsson (Publ) Hard handoff target generation in a multi-frequency CDMA mobile network
KR101604833B1 (ko) * 2003-05-14 2016-03-21 인텔 코포레이션 표시자들의 주기적인 측정을 이용한 네트워크 관리
KR100560845B1 (ko) * 2003-10-09 2006-03-13 에스케이 텔레콤주식회사 Ｍｍ-ｍｂ 단말기의 모뎀 간 절체 방법
US7768977B2 (en) * 2003-11-04 2010-08-03 Sony Ericsson Mobile Communications Ab Establishing a communication link by selectively powering a transceiver based on a communication request received by another transceiver
KR100602167B1 (ko) * 2003-12-03 2006-07-19 이노에이스(주) 페이징 신호를 이용한 비동기식 이동통신망에서 동기식이동통신망으로의 핸드오프 방법
US7212821B2 (en) * 2003-12-05 2007-05-01 Qualcomm Incorporated Methods and apparatus for performing handoffs in a multi-carrier wireless communications system
US7047009B2 (en) * 2003-12-05 2006-05-16 Flarion Technologies, Inc. Base station based methods and apparatus for supporting break before make handoffs in a multi-carrier system
KR100762669B1 (ko) * 2004-03-15 2007-10-01 삼성전자주식회사 멀티미디어 방송/멀티캐스트 서비스 시스템에서 수신신호의 신호이득을 최대화하는 방법 및 시스템
US8086241B2 (en) 2004-11-18 2011-12-27 Mediatek Incorporation Handoff methods, and devices utilizing same
US20070097924A1 (en) * 2004-11-22 2007-05-03 Motorola, Inc. Method and system for inter-technology active handoff of a hybrid communication device
US7353034B2 (en) 2005-04-04 2008-04-01 X One, Inc. Location sharing and tracking using mobile phones or other wireless devices
RU2411660C2 (ru) 2005-10-31 2011-02-10 Эл Джи Электроникс Инк. Способ передачи и приема информации о радиодоступе в системе беспроводной подвижной связи
EP1949562B1 (en) * 2005-10-31 2016-11-16 LG Electronics Inc. Method of transmitting a measurement report in a wireless mobile communications system
US8817737B2 (en) * 2005-10-31 2014-08-26 Lg Electronics Inc. Method of transmitting and receiving data in a mobile communication network
US8830945B2 (en) * 2005-10-31 2014-09-09 Lg Electronics Inc. Method for processing control information in a wireless mobile communication system
AU2006309464B2 (en) 2005-10-31 2009-10-29 Lg Electronics Inc. Method for processing control information in a wireless mobile communication system
US20070153728A1 (en) * 2005-12-30 2007-07-05 Telefonaktiebolaget Lm Ericsson (Publ) Method of cell-switching in a mobile communication network
US8248916B2 (en) * 2005-12-30 2012-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Recovery methods for restoring service in a distributed radio access network
KR100688294B1 (ko) 2006-01-20 2007-03-02 주식회사 팬택 듀얼 모드 이동통신단말기의 화상 통화 시 음성 호 재접속방법 및 그 장치
JP4771835B2 (ja) * 2006-03-06 2011-09-14 株式会社リコー トナー及び画像形成方法
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
US8442531B2 (en) 2007-05-15 2013-05-14 Nokia Corporation Context transfers and multi-band operation for wireless networks
US8995288B2 (en) * 2007-06-11 2015-03-31 Broadcom Corporation Method and system for a configurable communication integrated circuit and/or chipset
BRPI0823518B1 (pt) * 2007-09-07 2020-09-29 Ntt Docomo, Inc Estação móvel e método de comunicação móvel
EP2079254A1 (en) * 2008-01-14 2009-07-15 Alcatel Lucent Multi-mode traffic engineered handover management device and method for a broadband wireless access network
CN104994575B (zh) 2008-02-25 2019-12-06 北京三星通信技术研究有限公司 更新用户设备位置信息的方法
EP2117141B1 (en) * 2008-05-10 2011-06-22 Research In Motion Limited Method and apparatuses for signal strength indication
US8964692B2 (en) 2008-11-10 2015-02-24 Qualcomm Incorporated Spectrum sensing of bluetooth using a sequence of energy detection measurements
EP2384592A1 (en) * 2009-01-05 2011-11-09 Nokia Siemens Networks Oy Determining an optimized configuration of a telecommunication network
US8903413B2 (en) * 2009-03-20 2014-12-02 Qualcomm Incorporated Hybrid cell management in wireless networks
US9538493B2 (en) 2010-08-23 2017-01-03 Finetrak, Llc Locating a mobile station and applications therefor
JP6112487B2 (ja) * 2011-08-31 2017-04-12 パナソニックＩｐマネジメント株式会社 移動端末及びレート変更制御方法
US9130688B2 (en) 2012-05-11 2015-09-08 Intel Corporation User equipment and methods for handover enhancement using reference signal received quality (RSRQ)
US8874103B2 (en) 2012-05-11 2014-10-28 Intel Corporation Determining proximity of user equipment for device-to-device communication
US8868093B1 (en) 2012-06-05 2014-10-21 Sprint Communications Company L.P. Carrier frequency assignment based on transmit power differentials
US9859972B2 (en) * 2014-02-17 2018-01-02 Ubiqomm Llc Broadband access to mobile platforms using drone/UAV background

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5042082A (en) * 1989-06-26 1991-08-20 Telefonaktiebolaget L. M. Ericsson Mobile assisted handoff
NL8902453A (nl) * 1989-10-03 1991-05-01 Nederland Ptt Werkwijze voor het tussen twee voor mobiele diensten ingerichte schakelcentrales overdragen van de behandeling van een actieve verbinding met een mobiele terminal.
US5101501A (en) * 1989-11-07 1992-03-31 Qualcomm Incorporated Method and system for providing a soft handoff in communications in a cdma cellular telephone system
US5063591A (en) * 1990-10-26 1991-11-05 Telefonaktiebolaget L M Ericsson Toll ticketing record generation for billing of intersystem handoff calls in a mobile telephone system
US5267261A (en) * 1992-03-05 1993-11-30 Qualcomm Incorporated Mobile station assisted soft handoff in a CDMA cellular communications system
US5295153A (en) * 1992-04-13 1994-03-15 Telefonaktiebolaget L M Ericsson CDMA frequency allocation
JP3392477B2 (ja) * 1993-09-06 2003-03-31 株式会社東芝 半導体装置
US5594718A (en) * 1995-03-30 1997-01-14 Qualcomm Incorporated Method and apparatus for providing mobile unit assisted hard handoff from a CDMA communication system to an alternative access communication system

Also Published As

Publication number Publication date
TW321807B (enExample) 1997-12-01
US5697055A (en) 1997-12-09
WO1996012380A1 (en) 1996-04-25
AU3825695A (en) 1996-05-06
ZA958574B (en) 1996-05-23
IL115596A0 (en) 1996-01-19

Similar Documents

Publication Publication Date Title
IL115596A0 (en) Method and apparatus for handoff between different cellular communications systems
AU3216095A (en) Method and apparatus for efficient handoffs by mobile communication entities
GB2317074B (en) Communications apparatus and method
GB2317303B (en) Communications apparatus and method
EP0679043A3 (en) Device and method for radio communication.
AU3381495A (en) Radio communications device and method for intersystem handover
ZA981291B (en) Method and apparatus for performing mobile assisted hard handoff between communication systems
IL125275A0 (en) Method and apparatus for improved control over cellular systems
GB9423950D0 (en) Communications apparatus and method
GB2328585B (en) Method and apparatus for using advanced positioning systems in cellular communication networks
GB2318256B (en) System,method and apparatus for soft handoff
AU3126400A (en) Apparatus and method for wireless communications
GB9226020D0 (en) A cellular communications system and method for hand-off therein
GB2288301B (en) Methods and apparatus for call handover between different mobile radio networks
GB2337434B (en) Method and apparatus for controlling communications
GB2344949B (en) Apparatus and method for radio communication
IL113395A0 (en) Method and apparatus for providing secure communications
IL120449A0 (en) Apparatus and method for expanding communication networks
AU6676696A (en) Method and apparatus for efficient roaming among communications systems
GB2346514B (en) Method and apparatus for completing a handover between wireless communication systems
GB9825194D0 (en) Communications method and apparatus
GB9514626D0 (en) Method and apparatus for multi-position antenna
GB9819305D0 (en) Apparatus and method for assisting handover in a cellular communications system
GB2301988B (en) Communications apparatus and method
GB2304498B (en) Control means and method for mobile communications

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees