SE9502756D0 - Sätt att utföra handoff i ett kommunikationssystem - Google Patents

Sätt att utföra handoff i ett kommunikationssystem

Info

Publication number
SE9502756D0
SE9502756D0 SE9502756A SE9502756A SE9502756D0 SE 9502756 D0 SE9502756 D0 SE 9502756D0 SE 9502756 A SE9502756 A SE 9502756A SE 9502756 A SE9502756 A SE 9502756A SE 9502756 D0 SE9502756 D0 SE 9502756D0
Authority
SE
Sweden
Prior art keywords
signal
subscriber
threshold
signal quality
handoff
Prior art date
Application number
SE9502756A
Other languages
English (en)
Other versions
SE9502756L (sv
SE520111C2 (sv
Inventor
Eugene Bruckert
Richard Vilmur
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of SE9502756D0 publication Critical patent/SE9502756D0/sv
Publication of SE9502756L publication Critical patent/SE9502756L/sv
Publication of SE520111C2 publication Critical patent/SE520111C2/sv

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
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
SE9502756A 1993-12-08 1995-08-07 Sätt att utföra handoff i ett kommunikationssystem SE520111C2 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/162,922 US5548808A (en) 1993-12-08 1993-12-08 Method for performing a handoff in a communication system
PCT/US1994/012284 WO1995016329A1 (en) 1993-12-08 1994-10-27 Method for performing a handoff in a communication system

Publications (3)

Publication Number Publication Date
SE9502756D0 true SE9502756D0 (sv) 1995-08-07
SE9502756L SE9502756L (sv) 1995-10-06
SE520111C2 SE520111C2 (sv) 2003-05-27

Family

ID=22587684

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9502756A SE520111C2 (sv) 1993-12-08 1995-08-07 Sätt att utföra handoff i ett kommunikationssystem

Country Status (6)

Country Link
US (1) US5548808A (sv)
JP (1) JPH08506714A (sv)
KR (1) KR100203320B1 (sv)
FI (1) FI115594B (sv)
SE (1) SE520111C2 (sv)
WO (1) WO1995016329A1 (sv)

Families Citing this family (66)

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FR2732538B1 (fr) * 1995-03-29 1997-04-30 Alcatel Mobile Comm France Dispositif pour autoriser la selection d'une cellule, a l'etat de veille, dans un terminal de radiocommunications mobiles pour reseau cellulaire
JPH11511600A (ja) * 1995-08-31 1999-10-05 ノキア テレコミュニカシオンス オサケ ユキチュア ハンドオーバーの仕方を選択する方法及びセルラー無線システム
JP2762965B2 (ja) * 1995-09-04 1998-06-11 日本電気株式会社 基地局送信電力制御方式
KR0170190B1 (ko) * 1995-12-06 1999-03-30 정선종 씨디엠에이 이동통신 시스템에서 트래픽 부하 제어방법
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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
US5901354A (en) * 1996-04-03 1999-05-04 Motorola, Inc. Method and apparatus for performing soft-handoff in a wireless communication system
JP2803720B2 (ja) * 1996-04-10 1998-09-24 日本電気株式会社 Ｃｄｍａ移動通信システム用ハンドオフ制御方式
US6449305B1 (en) * 1996-05-10 2002-09-10 Motorola, Inc. Method and apparatus for performing handoff in a spread-spectrum communication system
US5822313A (en) * 1996-05-24 1998-10-13 National Semiconductor Corporation Seamless handover in a cordless TDMA system
JP3224345B2 (ja) 1996-06-24 2001-10-29 株式会社エヌ・ティ・ティ・ドコモ Ｃｄｍａ移動通信システムにおけるハンドオーバ種別判定方法およびｃｄｍａ移動通信システム
US5903554A (en) * 1996-09-27 1999-05-11 Qualcomm Incorporation Method and apparatus for measuring link quality in a spread spectrum communication system
MY117945A (en) * 1996-09-27 2004-08-30 Nec Corp Hand- off method and apparatus in cdma cellular system
US6473602B1 (en) * 1996-10-28 2002-10-29 Ericsson Inc. Mobile assisted handoff in radiocommunication systems
US5872775A (en) * 1996-10-30 1999-02-16 Qualcomm Incorporated Method and apparatus for performing rate determination
US6021328A (en) * 1996-12-19 2000-02-01 Northern Telecom Limited Radio link quality handoff trigger
JPH10191441A (ja) * 1996-12-26 1998-07-21 Nec Corp 移動体通信方式
US5940761A (en) * 1997-01-15 1999-08-17 Qaulcomm Incorporated Method and apparatus for performing mobile assisted hard handoff between communication systems
JP2990098B2 (ja) * 1997-05-21 1999-12-13 埼玉日本電気株式会社 端末主導型移動通信システム
KR100214293B1 (ko) * 1997-05-29 1999-08-02 윤종용 Cdma 셀룰라 시스템에서의 소프트 스왑 핸드오프 방법
US6141555A (en) * 1997-06-09 2000-10-31 Nec Corporation Cellular communication system, and mobile and base stations used in the same
US6055428A (en) * 1997-07-21 2000-04-25 Qualcomm Incorporated Method and apparatus for performing soft hand-off in a wireless 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
US6064885A (en) * 1997-10-06 2000-05-16 Ericsson, Inc. Treatment of positioning data during a positioning handover
FI980035A (sv) * 1998-01-09 1999-07-10 Nokia Networks Oy Förfarande för inriktning av antennlob och sändarmottagare
KR100277101B1 (ko) * 1998-02-17 2001-01-15 윤종용 코드분할다중접속네트워크내의교환국간하드핸드오프수행방법
US6181943B1 (en) 1998-03-30 2001-01-30 Lucent Technologies Inc. Method and apparatus for inter-frequency hand-off in wireless communication systems
US6934546B1 (en) * 1998-04-30 2005-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for control of soft handoff usage in radiocommunication systems
CA2330129A1 (en) * 1998-04-30 1999-11-11 Telefonaktiebolaget Lm Ericsson Method and apparatus for control of soft handoff usage in radiocommunication systems
US6560205B1 (en) 1998-05-01 2003-05-06 Emulex Corporation Method and apparatus for control of soft handoff usage in radiocommunication
JP4316805B2 (ja) * 1998-04-30 2009-08-19 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 無線通信システムにおけるソフトハンドオフ使用を制御する方法及び装置
GB2337416B (en) * 1998-05-14 2003-01-15 Fujitsu Ltd Improving backhaul in cellular mobile communications networks
US6661996B1 (en) * 1998-07-14 2003-12-09 Globalstar L.P. Satellite communication system providing multi-gateway diversity to a mobile user terminal
US6285664B1 (en) * 1998-09-08 2001-09-04 Lucent Technologies, Inc. Method and apparatus for estimating pilot coverages
US6785249B2 (en) * 1998-10-05 2004-08-31 Qualcomm, Incorporated Method and apparatus for detecting forward and reverse link imbalance in digital cellular communication systems
US6275485B1 (en) 1998-12-03 2001-08-14 Qualcomm Inc. Noise characterization in a wireless communication system
US6134226A (en) * 1998-12-31 2000-10-17 Motorola, Inc. Method and system for allocating a system resource to subscribers of a wireless communications 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
US6661832B1 (en) * 1999-05-11 2003-12-09 Qualcomm Incorporated System and method for providing an accurate estimation of received signal interference for use in wireless communications systems
KR100462093B1 (ko) * 1999-06-18 2004-12-17 모토로라 인코포레이티드 통신 시스템에서의 고속 핸드오프를 위한 방법 및 장치
US6519239B1 (en) 1999-11-19 2003-02-11 Motorola, Inc. Method and apparatus for providing dispatch service in a CDMA communication system
US6801512B1 (en) 2000-03-23 2004-10-05 Motorola, Inc. Method and apparatus for providing a distributed architecture digital wireless communication system
US6768908B1 (en) * 2000-04-07 2004-07-27 Motorola, Inc. Method and apparatus for soft handoff communications in a communication system operating according to IS-95B and IS-95C standards
US6782261B1 (en) 2000-04-27 2004-08-24 Lucent Technologies Inc. Wireless handoff management method and device
US6671515B1 (en) 2000-06-06 2003-12-30 Motorola, Inc. Method and apparatus for selecting communication cells in a wireless communication system
US6711208B2 (en) * 2000-12-04 2004-03-23 Qualcomm, Incorporated Estimation of traffic-to-pilot ratios
US6862273B2 (en) * 2001-01-10 2005-03-01 Motorola, Inc. Method and apparatus for providing dispatch scan in a CDMA communication system
US6928063B2 (en) * 2001-03-16 2005-08-09 Motorola, Inc. Method and apparatus for providing a dispatch patch service in a CDMA communication system
US6990137B2 (en) * 2001-05-17 2006-01-24 Qualcomm, Incorporated System and method for received signal prediction in wireless communications systems
US7170924B2 (en) * 2001-05-17 2007-01-30 Qualcomm, Inc. System and method for adjusting combiner weights using an adaptive algorithm in wireless communications system
KR100464908B1 (ko) * 2001-08-16 2005-01-05 유티스타콤코리아 유한회사 코드 분할 다중화 접속 방식의 이동통신 시스템에서 가용 채널에 따른 트랙픽 할당 방법
US6801783B2 (en) 2001-12-20 2004-10-05 Motorola, Inc. Base site and method for quickly establishing a CDMA dispatch call
US6788941B2 (en) 2001-12-20 2004-09-07 Motorola, Inc. Method and apparatus for mobile-initiated, CDMA-dispatch soft handoff
US7099290B2 (en) * 2001-12-20 2006-08-29 Motorola, Inc. Method and apparatus for CDMA-dispatch soft handoff
US6925309B2 (en) 2001-12-20 2005-08-02 Motorola, Inc. Method and apparatus for quickly establishing a CDMA dispatch call
US6961572B2 (en) 2001-12-20 2005-11-01 Motorola, Inc. Method and apparatus for base-initiated, CDMA-dispatch soft handoff
FR2849336B1 (fr) * 2002-12-19 2005-04-15 Siemens Transp Systems Systeme de transmission radioelectrique d'information entre une infrastructure et des mobiles
US7082301B2 (en) * 2003-09-12 2006-07-25 Cisco Technology, Inc. Method and system for triggering handoff of a call between networks
US9445312B2 (en) * 2007-12-31 2016-09-13 United States Cellular Corporation Enhanced configuration and handoff scheme for Femto systems
WO2011072719A1 (en) * 2009-12-15 2011-06-23 Nokia Siemens Networks Oy Method, apparatus and related computer program product for detecting changes to a network connection
US8457038B1 (en) * 2010-10-27 2013-06-04 Sprint Communications Company L.P. Velocity based handoff determination in wireless communication system
US8644255B1 (en) 2011-03-24 2014-02-04 Sprint Communications Company L.P. Wireless device access to communication services through another wireless device
US8868119B1 (en) 2012-04-17 2014-10-21 Sprint Communications Company L.P. Carrier frequency mode selection based on device mobility
US10779202B2 (en) * 2013-07-02 2020-09-15 Telefonaktiebolaget L M Ericsson (Publ) Controlling connection of an idle mode user equipment to a radio access network node
US9137716B1 (en) 2013-12-27 2015-09-15 Sprint Communications Company L.P. Mobility based frequency band selection in wireless communication systems

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JP2636236B2 (ja) * 1987-03-31 1997-07-30 三菱電機株式会社 通話中チヤンネル切替方式
JP2531254B2 (ja) * 1989-01-18 1996-09-04 日本電気株式会社 分散無線システムの回線接続方法
US5056109A (en) * 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
GB2240696B (en) * 1990-01-31 1993-11-24 Nec Corp Method of controlling handoff in cellular mobile radio communications systems
GB2242805B (en) * 1990-04-06 1994-08-03 Stc Plc Handover techniques
SE466081B (sv) * 1990-04-26 1991-12-09 Ericsson Telefon Ab L M Foerfarande vid handoff i ett mobilradiosystem
US5230082A (en) * 1990-08-16 1993-07-20 Telefonaktiebolaget L M Ericsson Method and apparatus for enhancing signalling reliability in a cellular mobile radio telephone system
US5175867A (en) * 1991-03-15 1992-12-29 Telefonaktiebolaget L M Ericsson Neighbor-assisted handoff in a cellular communications system
US5303289A (en) * 1991-08-12 1994-04-12 Motorola, Inc. Communication transfer in a cellular radiotelephone system
US5329574A (en) * 1992-02-26 1994-07-12 Motorola, Inc. Method for improving telephone resource access in a communication system network
US5267261A (en) * 1992-03-05 1993-11-30 Qualcomm Incorporated Mobile station assisted soft handoff in a CDMA cellular communications system

Also Published As

Publication number Publication date
JPH08506714A (ja) 1996-07-16
FI953769A0 (sv) 1995-08-08
US5548808A (en) 1996-08-20
FI953769A (sv) 1995-08-08
SE9502756L (sv) 1995-10-06
SE520111C2 (sv) 2003-05-27
KR100203320B1 (ko) 1999-06-15
FI115594B (sv) 2005-05-31
KR960701564A (ko) 1996-02-24
WO1995016329A1 (en) 1995-06-15

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