FI110051B - Förfarande för utförande av kanalväxling i ett cellulärt kommunikationssystem - Google Patents
Förfarande för utförande av kanalväxling i ett cellulärt kommunikationssystem Download PDFInfo
- Publication number
- FI110051B FI110051B FI951582A FI951582A FI110051B FI 110051 B FI110051 B FI 110051B FI 951582 A FI951582 A FI 951582A FI 951582 A FI951582 A FI 951582A FI 110051 B FI110051 B FI 110051B
- Authority
- FI
- Finland
- Prior art keywords
- base station
- handover
- request
- candidate list
- preferred
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 17
- 230000001413 cellular effect Effects 0.000 title claims description 12
- 238000005259 measurement Methods 0.000 claims description 19
- 210000004271 bone marrow stromal cell Anatomy 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 101100494265 Caenorhabditis elegans best-15 gene Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/12—Reselecting a serving backbone network switching or routing node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
-
- 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
- H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points
-
- 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
-
- 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
- H04W36/00835—Determination of neighbour cell lists
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Claims (5)
1. Förfarande för utförande av kanalväxling i ett cellulärt kommunikationssystem (12), kännetecknat av att 5 förfarandet omfattar följande faser: en begäran om kanalväxling sänds frän en utgängsbasstation tili en styrenhet (51) för utgängsbasstationen; 10 det fastställs huruvida begäran om kanalväxling innehäller en preferenskandidatlista (52); ifall begäran innehäller en preferenskandidatlista, 15 väljs en kanalväxlingsbasstation frän nämnda pre ferenskandidatlista (60); och en kanalväxling för nämnda mobilstation tili nämnda kanalväxlingsstation förordnas 20 ifall begäran inte innehäller en preferenskandidatlista, • · • · * * genereras i nämnda styrenhet för utgängsbasstationen ! .’! en kandidatlista (53) över flera basstations- • · • · · ! kandidater; .25 « · * •;j : sänds en mätningsbegäran frän nämnda styrenhet för • · · *·* ' utgängsbasstationen tili ätminstone en av de nämnda flera basstationskandidaterna (54) pä nämnda • ♦ kandidatlista; • » · ' 30 IM , ,·, mäts en signal frän en mobilstation vid nämnda ät- I I I minstone en basstationskandidat; » * * • · * · · :.ί ί meddelas resultatet av nämnda mätning tili nämnda I M :..3:5 styrenhet (55) för utgängsbasstationen; genereras en preferenslista som innehäller nämnda 13 1 10051 mätresultat (56), som erhällits frän ätminstone en basstationskandidat; sänds nämnda genererade preferenslista frän nämnda 5 styrenhet för utgängsbassstationen tili en utgängs- mobiltelefoncentral (57); väljs en kanalväxlingsbasstation frän nämnda preferenslista (60); och 10 en kanalväxling för nämnda mobilstation tili nämnda kanalväxlingsstation förordnas.
2. Förfarande enligt patentkrav 1, kännetecknat 15 av att nämnda mätningsbegäran utgörs av en begäran för mätning av signalstyrka.
3. Förfarande enligt patentkrav 1, kännetecknat | av att nämnda mätningsbegäran utgörs av en av de följande: 20 energi per dataelement per totalbrus, bitfelstäthet, fel-ramskvot och ordfelsfrekvens. • · • · • · f • · • ·
4. Förfarande enligt patentkrav 1, kännetecknat i * * » av den fas, väri det fastställs huruvida kanalväxlings- I · · . 25 begäran innehäller preferenskandidatlistan (52), omfattar » » » ‘It.* följande fas: • t · ( f I bestämning av att begäran innehäller en preferens-kandidatlista, ifall utgängsbasstationen opererar under ett • * » *· " protokoll som använder ett mobilstationsassisterat kanal- • M ...30 växlingsförfarande. » I I « • · · I · ·
5. Förfarande enligt patentkrav 1, kännetecknat • · · ,·. av den fas, väri det fastställs huruvida kanalväxlings- # * · begäran innehäller preferenskandidatlistan (52), omfattar ‘•»35 följande fas: bestämning av att begäran inte innehäller en preferenskandidat lista, ifall utgängsbasstationen opererar under ett 14 1 10051 protokoll som inte använder ett mobilstationsassisterat kanalväxlingsförfarande.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/100,230 US5432843A (en) | 1993-08-02 | 1993-08-02 | Method of performing handoff in a cellular communication system |
US10023093 | 1993-08-02 | ||
US9406922 | 1994-06-20 | ||
PCT/US1994/006922 WO1995004423A1 (en) | 1993-08-02 | 1994-06-20 | A method of performing handoff in a cellular communication system |
Publications (3)
Publication Number | Publication Date |
---|---|
FI951582A FI951582A (sv) | 1995-04-03 |
FI951582A0 FI951582A0 (sv) | 1995-04-03 |
FI110051B true FI110051B (sv) | 2002-11-15 |
Family
ID=22278728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI951582A FI110051B (sv) | 1993-08-02 | 1995-04-03 | Förfarande för utförande av kanalväxling i ett cellulärt kommunikationssystem |
Country Status (6)
Country | Link |
---|---|
US (1) | US5432843A (sv) |
EP (1) | EP0671100A4 (sv) |
KR (1) | KR0145985B1 (sv) |
CA (1) | CA2143761C (sv) |
FI (1) | FI110051B (sv) |
WO (1) | WO1995004423A1 (sv) |
Families Citing this family (88)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2705849B1 (fr) * | 1993-05-28 | 1995-06-30 | Alcatel Mobile Comm France | Station de base d'un réseau cellulaire de type GSM, et procédé d'échange de données entre cette station de base et un mobile évoluant dans le réseau. |
SE518014C2 (sv) * | 1993-06-25 | 2002-08-13 | Motorola Inc | Mobilsystem och metod för användning och överlämning mellan smalbandig och bredbandig kommunikation |
ZA948133B (en) * | 1993-10-28 | 1996-05-17 | Qualcomm Inc | Method and apparatus for reducing the average transmit power from a sectorized base station |
FI98693C (sv) * | 1994-06-14 | 1997-07-25 | Nokia Telecommunications Oy | Handover i ett cellulärt mobilradiosystem |
FI98976C (sv) * | 1994-07-11 | 1997-09-10 | Nokia Telecommunications Oy | Förfarande för utförande av överkoppling och cellulärradiosystem |
US5586170A (en) * | 1994-08-19 | 1996-12-17 | Georgia Tech Research Corporation | Cellular devices, systems and methods using intercell macro-diversity and dynamic channel allocation |
FI96557C (sv) * | 1994-09-27 | 1996-07-10 | Nokia Telecommunications Oy | Förfarande för dataöverföring i ett TDMA mobilradiosystem samt ett mobilradiosystem för utförande av förfarandet |
US5551058A (en) * | 1994-10-31 | 1996-08-27 | Motorola, Inc. | Method and system for intelligent cell selection using location data in cellular systems |
US5551059A (en) * | 1994-10-31 | 1996-08-27 | Motorola, Inc. | Method and system for intelligent cell selection using doppler data in cellular systems |
US5577022A (en) * | 1994-11-22 | 1996-11-19 | Qualcomm Incorporated | Pilot signal searching technique for a cellular communications system |
US5701585A (en) * | 1994-12-12 | 1997-12-23 | Telefonaktiebolaget Lm Ericsson | Mobile assisted handoff |
WO1996033587A1 (en) * | 1995-04-19 | 1996-10-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Multiple hyperband cellular communications system and mobile station with band selection |
US5640676A (en) * | 1995-05-11 | 1997-06-17 | Motorola, Inc. | Method for generating a handoff candidate list |
FI105515B (sv) * | 1995-05-24 | 2000-08-31 | Nokia Networks Oy | Förfarande för att försnabba överkoppling samt cellularradiosystem |
US5627831A (en) * | 1995-07-31 | 1997-05-06 | Northern Telecom Limited | Personal communication network hand over |
US5854981A (en) * | 1995-08-08 | 1998-12-29 | Telefonaktiebolaget L M Ericsson | Adaptive neighbor cell list |
US5915221A (en) * | 1995-08-08 | 1999-06-22 | Telefonaktiebolaget Lm Ericsson | Neighbor cell list creation and verification in a telecommunications system |
US5839070A (en) * | 1995-10-13 | 1998-11-17 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for hyperband cell interoperability in a cellular telecommunications network |
US5907813A (en) * | 1995-11-30 | 1999-05-25 | Qualcomm Incorporated | Signal acquisition in a wireless communication system by transmitting repeated access probes from a terminal to a hub |
US5794149A (en) * | 1995-12-29 | 1998-08-11 | Lucent Technologies Inc. | Base station controlled handoff method and apparatus |
EP0786917B1 (en) * | 1996-01-23 | 2013-08-21 | Ntt Mobile Communications Network Inc. | Mobile communication system, network and mobile station |
US5774809A (en) * | 1996-02-12 | 1998-06-30 | Nokia Mobile Phones Limited | Simplified mobile assisted handoff of signal between cells |
US5722073A (en) * | 1996-02-21 | 1998-02-24 | Telefonaktiebolaget L M Ericsson | Method and system for measuring signals in a telecommunications systemhaving maho |
FI103081B (sv) * | 1996-02-23 | 1999-04-15 | Nokia Telecommunications Oy | Handover i ett mobilkommunikationssystem |
KR970078158A (ko) * | 1996-05-10 | 1997-12-12 | 김주용 | 셀룰러통신방식에서의 타아게트추적방법 및 장치 |
US5848063A (en) * | 1996-05-23 | 1998-12-08 | Qualcomm Incorporated | Method and apparatus for hard handoff in a CDMA system |
KR100491518B1 (ko) * | 1996-05-23 | 2005-08-12 | 콸콤 인코포레이티드 | Cdma시스템에서 하드 핸드오프를 위한 방법 및 장치 |
US6178164B1 (en) * | 1996-06-07 | 2001-01-23 | Qualcomm Incorporated | Method and apparatus for performing idle handoff in a multiple access communication system |
JP2910678B2 (ja) * | 1996-06-27 | 1999-06-23 | 日本電気株式会社 | 基地局周波数割当システム |
FR2750820B1 (fr) * | 1996-07-04 | 1999-04-02 | Alcatel Espace | Procede de commutation d'un canal d'un premier chemin de propagation vers un second chemin de propagation |
US5790589A (en) * | 1996-08-14 | 1998-08-04 | Qualcomm Incorporated | System and method for rapidly reacquiring a pilot channel |
AU3944097A (en) * | 1996-08-23 | 1998-03-06 | Nokia Telecommunications Oy | Cellular radio system and a method for performing handoff |
US6018666A (en) * | 1996-08-30 | 2000-01-25 | Lucent Technologies Inc. | Shared wireless tenant service system |
KR100232543B1 (ko) * | 1996-10-14 | 1999-12-01 | 김영환 | 셀룰러 이동통신 시스템에서 하드 핸드오프 방법 |
US6021328A (en) * | 1996-12-19 | 2000-02-01 | Northern Telecom Limited | Radio link quality handoff trigger |
US5987326A (en) * | 1997-02-11 | 1999-11-16 | Qualcomm Incorporated | Transmit power reduction for a high speed CDMA link in soft handoff |
US6044272A (en) | 1997-02-25 | 2000-03-28 | Sbc Technology Resources, Inc. | Mobile assisted handoff system and method |
FI109510B (sv) * | 1997-02-28 | 2002-08-15 | Nokia Corp | Handover och sätt att upprätta samtal i ett mobilkommunikationssystem |
US6347217B1 (en) | 1997-05-22 | 2002-02-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Link quality reporting using frame erasure rates |
US6141555A (en) | 1997-06-09 | 2000-10-31 | Nec Corporation | Cellular communication system, and mobile and base stations used in the same |
KR100254192B1 (ko) * | 1997-06-10 | 2000-04-15 | 윤종용 | 셀룰러이동통신시스템에서의핸드오프정보처리방법 |
US5974318A (en) * | 1997-07-09 | 1999-10-26 | Northern Telecom Limited | Method and system for increasing capacity and improving performance of a cellular network |
US5982757A (en) * | 1997-07-14 | 1999-11-09 | Motorola, Inc. | Method and apparatus for registering a remote unit in a communication system |
US6038448A (en) * | 1997-07-23 | 2000-03-14 | Nortel Networks Corporation | Wireless communication system having hand-off based upon relative pilot signal strengths |
US5953320A (en) * | 1997-08-08 | 1999-09-14 | Qualcomm Incorporated | Method and apparatus for constructing a temporary list of neighboring base stations in a wireless communication device |
FI105993B (sv) | 1997-08-20 | 2000-10-31 | Nokia Mobile Phones Ltd | Förfarande och system för kontroll av radiokommunikationssystem och radionätstyrenhet |
US6064885A (en) * | 1997-10-06 | 2000-05-16 | Ericsson, Inc. | Treatment of positioning data during a positioning handover |
US6047182A (en) * | 1997-10-29 | 2000-04-04 | Ericsson Inc. | Channel resource utilization during a positioning handover |
US6047183A (en) * | 1997-10-30 | 2000-04-04 | Ericsson Inc. | Selection of positioning handover candidates based on angle |
US6173181B1 (en) * | 1997-11-07 | 2001-01-09 | Motorola, Inc. | Method and system for controlling neighbor scanning in a subscriber unit in a cellular communication system |
KR19990047893A (ko) * | 1997-12-05 | 1999-07-05 | 김영환 | 이동통신 시스템의 페이징 방법 |
US6075989A (en) * | 1998-01-20 | 2000-06-13 | Motorola, Inc. | Method and apparatus for determining a need to handoff a mobile communication signal in a wireless communication system |
US6728540B1 (en) * | 1998-03-09 | 2004-04-27 | Avaya Technology Corp. | Assisted handover in a wireless communication system |
US5956641A (en) * | 1998-03-30 | 1999-09-21 | Motorola, Inc. | System and method for facilitating a handoff of at least one mobile unit in a telecommunication system |
DE19814440C2 (de) * | 1998-03-31 | 2003-10-02 | Siemens Ag | Dezentral gesteuertes Handover mobiler Endeinrichtungen |
GB2337414A (en) | 1998-05-14 | 1999-11-17 | Fujitsu Ltd | Soft handoff in cellular communications networks |
US6862449B1 (en) | 1998-05-14 | 2005-03-01 | Fujitsu Limited | Reducing interference in cellular mobile communications networks |
GB2337416B (en) | 1998-05-14 | 2003-01-15 | Fujitsu Ltd | Improving backhaul in cellular mobile communications networks |
US6201969B1 (en) * | 1998-06-02 | 2001-03-13 | Lucent Technologies Inc. | Control of handoff in CDMA cellular systems |
US6205336B1 (en) | 1998-08-14 | 2001-03-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system for improving network resource utilization in a cellular communication system |
US6131030A (en) * | 1998-08-19 | 2000-10-10 | Telefonaktiebolaget Lm Ericsson | System network and method for the transference of cell handover information |
US6167036A (en) * | 1998-11-24 | 2000-12-26 | Nortel Networks Limited | Method and apparatus for a sectored cell of a cellular radio communications system |
KR100425085B1 (ko) * | 1998-12-16 | 2004-05-17 | 엘지전자 주식회사 | 통신시스템의인접기지국목록관리방법 |
JP3001570B1 (ja) * | 1999-02-22 | 2000-01-24 | 埼玉日本電気株式会社 | 適応アンテナ指向性制御方法及びそのシステム |
US6480718B1 (en) | 1999-07-12 | 2002-11-12 | Nortel Networks Limited | Automatic frequency planning for a wireless network |
US6628632B1 (en) * | 1999-07-19 | 2003-09-30 | Lucent Technologies Inc. | Method and apparatus for permitting direct handoff between base stations in a wireless network |
GB0000528D0 (en) * | 2000-01-11 | 2000-03-01 | Nokia Networks Oy | Location of a station in a telecommunications system |
JP3399428B2 (ja) * | 2000-01-12 | 2003-04-21 | 日本電気株式会社 | 移動通信システム |
DE60038704T2 (de) * | 2000-09-20 | 2009-07-09 | Fujitsu Ltd., Kawasaki | Mobilkommunikationssystem |
ATE442754T1 (de) * | 2001-07-03 | 2009-09-15 | Ericsson Telefon Ab L M | Verfahren zum einstufen von nachbarzellen als kandidaten für eine weiterreichung |
DE10156642A1 (de) * | 2001-11-17 | 2003-06-12 | Tenovis Gmbh & Co Kg | Verfahren zur Auswahl einer geeigneten Basisstation in einem Mehrzellen-Funksystem sowie mobiles Telekommunikations-Endgerät |
US6944147B2 (en) * | 2001-12-10 | 2005-09-13 | Nortel Networks Limited | System and method for maximizing capacity in a telecommunications system |
EP1483929B1 (en) * | 2002-03-13 | 2006-08-16 | Nokia Corporation | Method and apparatus for performing handover in a bluetooth radio communication system |
ITMI20021724A1 (it) * | 2002-08-01 | 2004-02-02 | Siemens Mobile Comm Spa | Controllore per stazioni radio base gsm e 3g in una core |
KR100526528B1 (ko) * | 2002-11-27 | 2005-11-08 | 삼성전자주식회사 | 데이터 입력 확장성이 제공된 휴대용 통신 장치 |
JP4102692B2 (ja) * | 2003-03-25 | 2008-06-18 | 富士通株式会社 | 無線基地局装置および基地局制御装置 |
KR100689508B1 (ko) * | 2003-09-04 | 2007-03-02 | 삼성전자주식회사 | 통신 시스템에서 핸드오버 수행 방법 |
GB0418281D0 (en) * | 2004-08-16 | 2004-09-15 | Nokia Corp | Communication system |
US7440757B2 (en) * | 2005-01-31 | 2008-10-21 | Samsung Electronics Co., Ltd | Handover method in a wireless communication system |
EP1903817B1 (en) * | 2005-07-08 | 2011-05-18 | Huawei Technologies Co., Ltd. | Method of inter-system handover |
US20070149196A1 (en) * | 2005-12-08 | 2007-06-28 | Samsung Electronics Co., Ltd. | Handover reestablishment method of communication system |
US8909227B2 (en) * | 2006-10-03 | 2014-12-09 | Qualcomm Incorporated | Handover to any cell of a target base station in a wireless communication system |
TW200826706A (en) * | 2006-12-06 | 2008-06-16 | Inst Information Industry | Wireless network handover apparatus, method, application program, and computer readable medium for dynamic handover |
US8744391B2 (en) * | 2007-05-31 | 2014-06-03 | Motorola Mobility Llc | Signal strength indication methods for use in wireless communication devices |
US8009612B2 (en) | 2007-07-17 | 2011-08-30 | Motorola Mobility, Inc. | Method of establishing an HRPD signal link |
US8867383B2 (en) * | 2008-07-02 | 2014-10-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for associating mobile stations with repeaters in controlling base station |
US20100046477A1 (en) * | 2008-08-19 | 2010-02-25 | Motorola, Inc. | Method for Hand-Over In A Heterogeneous Wireless Network |
US10327200B2 (en) * | 2016-09-28 | 2019-06-18 | Intel Corporation | Communication network management system and method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE47948T1 (de) * | 1984-07-13 | 1989-11-15 | Motorola Inc | Cellulares stimme- und datenfunkfernuebertragungssystem. |
US4696027A (en) * | 1986-08-01 | 1987-09-22 | Motorola, Inc. | Handoff apparatus and method with interference reduction for a radio system |
US4737978A (en) * | 1986-10-31 | 1988-04-12 | Motorola, Inc. | Networked cellular radiotelephone systems |
US5189734A (en) * | 1988-11-16 | 1993-02-23 | U.S. Philips Corporation | Cellular radio system |
AU625128B2 (en) * | 1989-04-17 | 1992-07-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Method of maintaining an established connection in a mobile radio system comprising both analog and digital radio channels |
FR2657211A1 (fr) * | 1990-01-18 | 1991-07-19 | Cit Alcatel | Procede de transfert de communication dans un reseau de radiotelephonie. |
US5179559A (en) * | 1990-07-27 | 1993-01-12 | Motorola, Inc. | Handoff method for a cellular system |
-
1993
- 1993-08-02 US US08/100,230 patent/US5432843A/en not_active Expired - Lifetime
-
1994
- 1994-06-20 WO PCT/US1994/006922 patent/WO1995004423A1/en active IP Right Grant
- 1994-06-20 KR KR1019950701260A patent/KR0145985B1/ko not_active IP Right Cessation
- 1994-06-20 CA CA002143761A patent/CA2143761C/en not_active Expired - Fee Related
- 1994-06-20 EP EP94923212A patent/EP0671100A4/en not_active Ceased
-
1995
- 1995-04-03 FI FI951582A patent/FI110051B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI951582A (sv) | 1995-04-03 |
CA2143761C (en) | 1999-04-06 |
US5432843A (en) | 1995-07-11 |
CA2143761A1 (en) | 1995-02-09 |
KR950703830A (ko) | 1995-09-20 |
EP0671100A4 (en) | 1999-02-03 |
FI951582A0 (sv) | 1995-04-03 |
WO1995004423A1 (en) | 1995-02-09 |
KR0145985B1 (ko) | 1998-08-17 |
EP0671100A1 (en) | 1995-09-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI110051B (sv) | Förfarande för utförande av kanalväxling i ett cellulärt kommunikationssystem | |
US8213381B2 (en) | Mobile communication system, core network node selection method, and base station and mobile station used therefor | |
US7307969B2 (en) | Method and system for making handoff between CDMA mobile communication system | |
CA2234697C (en) | Cellular telecommunications network having seamless interoperability between exchanges while supporting operation in multiple frequency hyperbands | |
US6904029B2 (en) | Method and apparatus for a source-initiated handoff from a source cellular wireless network to a target non-cellular wireless network | |
KR100864729B1 (ko) | 셀룰러 통신 시스템에서 셀 측정 결과들을 보고하는 방법 | |
EP1590972B1 (en) | Method and apparatus for a target-initiated handoff from a source cellular wireless network to a target non-cellular wireless network | |
US5857153A (en) | Cellular telecommunications network having seamless interoperability between exchanges while providing voice, asynchronous data and facsimile services in multiple frequency hyperbands | |
CA2395312C (en) | Method and system for handling the transcoding of connections handed off between mobile switching centers | |
TWI455617B (zh) | 高速下行鏈共享頻道(hs-dsch)服務小區轉換改善之組態 | |
US8340050B2 (en) | Transfer between cells in a communications system | |
US20110044290A1 (en) | Communication terminal apparatus and handover method | |
CN101682862A (zh) | 使用相异空中接口在通信网络之间切换呼叫的方法 | |
US20100159932A1 (en) | Method and system for controlling handover based on wireless link quality | |
KR100425125B1 (ko) | 서로 다른 망 사업자간의 핸드오프 처리 장치 및 방법 | |
EP1890512A1 (en) | Method, apparatus and network for the selection of a target base station for a handover of a user terminal | |
WO2006079927A1 (en) | Transfer of a user equipment between cells in a communications system | |
KR100519286B1 (ko) | 지형 정보를 이용한 핸드 오프 방법 및 통신 시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Transfer of assignment of patent |
Owner name: MOTOROLA MOBILITY, INC. Free format text: MOTOROLA MOBILITY, INC. |
|
MA | Patent expired |