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DE69533265D1 - Handover-auswahlverfahren für und zellulares funksystem - Google Patents

Handover-auswahlverfahren für und zellulares funksystem

Info

Publication number
DE69533265D1
DE69533265D1 DE69533265T DE69533265T DE69533265D1 DE 69533265 D1 DE69533265 D1 DE 69533265D1 DE 69533265 T DE69533265 T DE 69533265T DE 69533265 T DE69533265 T DE 69533265T DE 69533265 D1 DE69533265 D1 DE 69533265D1
Authority
DE
Germany
Prior art keywords
cellular radio
radio system
handover
selection process
selecting
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
Application number
DE69533265T
Other languages
English (en)
Inventor
Anu Virtanen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Nokia Inc
Original Assignee
Nokia Oyj
Nokia 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 Nokia Oyj, Nokia Inc filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE69533265D1 publication Critical patent/DE69533265D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radio Transmission System (AREA)
DE69533265T 1995-08-31 1995-08-31 Handover-auswahlverfahren für und zellulares funksystem Expired - Fee Related DE69533265D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI1995/000465 WO1997008910A1 (en) 1995-08-31 1995-08-31 A method for selecting the way to perform a handover, and a cellular radio system

Publications (1)

Publication Number Publication Date
DE69533265D1 true DE69533265D1 (de) 2004-08-19

Family

ID=32696110

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69533265T Expired - Fee Related DE69533265D1 (de) 1995-08-31 1995-08-31 Handover-auswahlverfahren für und zellulares funksystem

Country Status (9)

Country Link
US (1) US6570862B2 (de)
EP (1) EP0872140B1 (de)
JP (1) JPH11511600A (de)
CN (1) CN1197583A (de)
AT (1) ATE271300T1 (de)
AU (1) AU712633B2 (de)
DE (1) DE69533265D1 (de)
NO (1) NO980877L (de)
WO (1) WO1997008910A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6628630B1 (en) * 1997-04-15 2003-09-30 Matsushita Electric Industrial Co., Ltd. Spread spectrum communication method
WO1998048528A1 (en) 1997-04-24 1998-10-29 Ntt Mobile Communications Network Inc. Mobile communication method and mobile communication system
GB2343330A (en) 1998-10-29 2000-05-03 Fujitsu Ltd Soft handoff method using a backup link
JP3750390B2 (ja) 1999-01-08 2006-03-01 日本電気株式会社 移動体通信における呼制御方法及びそのシステム
US6504828B1 (en) * 1999-03-11 2003-01-07 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive handoff algorithms for mobiles operating in CDMA systems
JP4453168B2 (ja) * 2000-06-23 2010-04-21 日本電気株式会社 移動通信制御方法、セルラシステム、移動局、基地局及び基地局制御装置
GB0022633D0 (en) * 2000-09-15 2000-11-01 Koninkl Philips Electronics Nv Secondary station and method of operating the station
JP3717798B2 (ja) * 2001-03-26 2005-11-16 株式会社エヌ・ティ・ティ・ドコモ ハンドオーバ制御方法及び装置、並びに移動通信システム
US7092722B1 (en) * 2001-07-26 2006-08-15 Sprint Spectrum L.P. Method and system for establishing mobile station active set based on mobile station location
CN1317917C (zh) * 2002-07-31 2007-05-23 中兴通讯股份有限公司 一种在码分多址基站系统中应用的半软切换方法
US7248873B2 (en) * 2003-06-25 2007-07-24 Nokia Corporation Parameter selection optimization for handover
DE602004026483D1 (de) * 2004-02-13 2010-05-20 Ericsson Telefon Ab L M Verfahren zur schnellen hard-weiterreichung und ein solches verfahren unterstützende mobilstation und basisstation
IL161419A (en) * 2004-04-15 2010-02-17 Alvarion Ltd Handling communication interferences in wireless systems
US8195204B1 (en) 2007-07-25 2012-06-05 Sprint Spectrum L.P. Method and apparatus for scanning sectors in order of distance from mobile station
US7881263B1 (en) 2007-07-31 2011-02-01 Sprint Spectrum L.P. Method for use of azimuth and bearing data to select a serving sector for a mobile station
ATE528938T1 (de) * 2008-12-12 2011-10-15 Alcatel Lucent Verfahren zur identifizierung einer femtozellen- basisstation als ein übergabeziel und vorrichtung dafür
CN102271354A (zh) * 2010-06-02 2011-12-07 中兴通讯股份有限公司 Lte系统中的链路自适应方法、基站和终端
US8478275B1 (en) 2010-08-05 2013-07-02 Sprint Spectrum L.P. Conditional assignment of connection identifiers to help avoid communication errors
US8670425B1 (en) 2011-08-09 2014-03-11 Sprint Spectrum L.P. Use of past duration of stay as trigger to scan for wireless coverage
US9445324B2 (en) * 2012-03-28 2016-09-13 Telefonaktiebolaget Lm Ericsson Method and arrangement in a wireless communication network for determining a type of handover

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5056109A (en) * 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US5268933A (en) * 1991-09-27 1993-12-07 Motorola, Inc. Data packet alignment in a communication system
US5517675A (en) * 1991-10-04 1996-05-14 Motorola, Inc. Signal transmission synchronization in a communication system
US5267261A (en) * 1992-03-05 1993-11-30 Qualcomm Incorporated Mobile station assisted soft handoff in a CDMA cellular communications system
EP0917308A1 (de) * 1992-04-17 1999-05-19 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Mobil unterstütztes Weiterreichen mit Kodemultiplex-Vielfachzugriff
US5402451A (en) 1993-01-11 1995-03-28 Hughes Aircraft Company Digital post-detection FM spatial diversity combination circuit
CA2119199C (en) * 1993-05-07 2003-05-27 Steven J. Willhoff Dual stage rssi handoff trigger
US5493563A (en) * 1993-07-26 1996-02-20 Motorola, Inc. Method and apparatus for mobile assisted handoff in a communication system
US6157668A (en) 1993-10-28 2000-12-05 Qualcomm Inc. Method and apparatus for reducing the average transmit power of a base station
US5548808A (en) * 1993-12-08 1996-08-20 Motorola, Inc. Method for performing a handoff in a communication system
FI96154C (fi) * 1994-05-30 1996-05-10 Nokia Telecommunications Oy Menetelmä tilaajapäätelaitteiden synkronisoimiseksi, tukiasema sekä tilaajapäätelaite
US5551057A (en) * 1994-06-08 1996-08-27 Lucent Technologies Inc. Cellular mobile radio system power control
US5697055A (en) * 1994-10-16 1997-12-09 Qualcomm Incorporated Method and apparatus for handoff between different cellular communications systems
US5577022A (en) * 1994-11-22 1996-11-19 Qualcomm Incorporated Pilot signal searching technique for a cellular communications system
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
US5613205A (en) * 1995-03-31 1997-03-18 Telefonaktiebolaget Lm Ericsson System and method of locating a mobile terminal within the service area of a cellular telecommunication system
US5680395A (en) * 1995-08-15 1997-10-21 Qualcomm Incorporated Method and apparatus for time division duplex pilot signal generation
AU712159B2 (en) * 1995-08-31 1999-10-28 Qualcomm Incorporated A handover method, and a cellular radio system
US5926470A (en) * 1996-05-22 1999-07-20 Qualcomm Incorporated Method and apparatus for providing diversity in hard handoff for a CDMA system
US5945948A (en) * 1996-09-03 1999-08-31 Motorola, Inc. Method and apparatus for location finding in a communication system

Also Published As

Publication number Publication date
EP0872140B1 (de) 2004-07-14
US6570862B2 (en) 2003-05-27
EP0872140A1 (de) 1998-10-21
AU3260395A (en) 1997-03-19
NO980877L (no) 1998-04-27
AU712633B2 (en) 1999-11-11
CN1197583A (zh) 1998-10-28
ATE271300T1 (de) 2004-07-15
WO1997008910A1 (en) 1997-03-06
US20020085519A1 (en) 2002-07-04
JPH11511600A (ja) 1999-10-05
NO980877D0 (no) 1998-02-27

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee