DE69831738T2 - Zellular telefonsystem und verfahren zum sanften intersystemüberreichen - Google Patents

Zellular telefonsystem und verfahren zum sanften intersystemüberreichen Download PDF

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Publication number
DE69831738T2
DE69831738T2 DE69831738T DE69831738T DE69831738T2 DE 69831738 T2 DE69831738 T2 DE 69831738T2 DE 69831738 T DE69831738 T DE 69831738T DE 69831738 T DE69831738 T DE 69831738T DE 69831738 T2 DE69831738 T2 DE 69831738T2
Authority
DE
Germany
Prior art keywords
base station
queue length
station controller
soft handoff
average frame
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 - Lifetime
Application number
DE69831738T
Other languages
German (de)
English (en)
Other versions
DE69831738D1 (de
Inventor
E. Paul BENDER
L. Toni ZIV
Gadi Karmi
Kuo-Chun Lee
M. Suzanne LUEDER
P. Bibhu MOHANTY
C. Robert OTTINGER
F. Roy QUICK
P. Steven STACHWICK
Todd Sutton
Venkat Tangirala
A. Noam ZIV
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.)
Qualcomm Inc
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
Application granted granted Critical
Publication of DE69831738D1 publication Critical patent/DE69831738D1/de
Publication of DE69831738T2 publication Critical patent/DE69831738T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/22—Performing reselection for specific purposes for handling the traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • 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)
  • Exchange Systems With Centralized Control (AREA)
DE69831738T 1997-04-29 1998-04-29 Zellular telefonsystem und verfahren zum sanften intersystemüberreichen Expired - Lifetime DE69831738T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US845944 1997-04-29
US08/845,944 US6002933A (en) 1997-04-29 1997-04-29 Inter-system soft handoff
PCT/US1998/008368 WO1998049858A1 (en) 1997-04-29 1998-04-29 A cellular telephone system and a method of conducting an inter-system soft handoff

Publications (2)

Publication Number Publication Date
DE69831738D1 DE69831738D1 (de) 2005-11-03
DE69831738T2 true DE69831738T2 (de) 2006-07-06

Family

ID=25296492

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69831738T Expired - Lifetime DE69831738T2 (de) 1997-04-29 1998-04-29 Zellular telefonsystem und verfahren zum sanften intersystemüberreichen

Country Status (9)

Country Link
US (2) US6002933A (enExample)
EP (1) EP0979584B1 (enExample)
JP (1) JP4031054B2 (enExample)
KR (1) KR100509407B1 (enExample)
CN (3) CN1147196C (enExample)
AT (1) ATE305708T1 (enExample)
AU (1) AU7258298A (enExample)
DE (1) DE69831738T2 (enExample)
WO (1) WO1998049858A1 (enExample)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7890104B2 (en) * 1920-04-04 2011-02-15 Siemens Aktiengesellschaft Management method for radio resources in a radio telecommunication system
US6002933A (en) * 1997-04-29 1999-12-14 Qualcomm Incorporated Inter-system soft handoff
US6381458B1 (en) * 1998-05-15 2002-04-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for soft handoff control based on access network capacity
US6438370B1 (en) * 1998-06-16 2002-08-20 Nokia Telecommunications, Oy Location update method and inter core network entity handover method
US6470184B1 (en) * 1998-09-11 2002-10-22 Nec Corporation Mobile communication system in which traffics are equalized
US6341222B1 (en) * 1998-11-04 2002-01-22 Motorola, Inc. Method and apparatus for performing selection and distribution in a communication system
KR100407933B1 (ko) * 1998-11-11 2005-05-09 엘지전자 주식회사 교환기간핸드오프시스템
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
WO2000038465A1 (en) * 1998-12-18 2000-06-29 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for intersystem soft handoff
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
US6611507B1 (en) * 1999-07-30 2003-08-26 Nokia Corporation System and method for effecting information transmission and soft handoff between frequency division duplex and time division duplex communications systems
JP4180236B2 (ja) * 1999-12-28 2008-11-12 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システム
JP3399428B2 (ja) * 2000-01-12 2003-04-21 日本電気株式会社 移動通信システム
EP1117269A1 (en) * 2000-01-13 2001-07-18 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Method and devices for improved handover procedures in mobile communication systems
GB2359220A (en) * 2000-02-03 2001-08-15 Orange Personal Comm Serv Ltd Handover in accordance with a network policy
US6360099B1 (en) * 2000-06-09 2002-03-19 Motorola, Inc. Reducing audio gaps during a communication network handoff
US6816472B1 (en) * 2000-07-14 2004-11-09 Motorola, Inc. Method and apparatus for selecting a best link for supplemental channel assignment during a handoff period in a spread spectrum communication system
US6856954B1 (en) * 2000-07-28 2005-02-15 Mindspeed Technologies, Inc. Flexible variable rate vocoder for wireless communication systems
JP3442356B2 (ja) 2000-08-25 2003-09-02 日本電信電話株式会社 通信方式切替交換局及び通信方式切替方法
US6701150B1 (en) * 2000-10-13 2004-03-02 Nortel Networks Limited Network driven cell switching and handoff with load balancing for wireless systems
JP2002232573A (ja) * 2001-01-31 2002-08-16 Nec Corp 移動通信端末、移動通信システム及びサービス提供装置
US7197318B2 (en) * 2001-04-26 2007-03-27 Nokia Corporation Method and network element for controlling handover
FI113140B (fi) * 2001-05-25 2004-02-27 Nokia Corp Kanavanvaihto solukkojärjestelmässä
US7058035B2 (en) * 2001-06-29 2006-06-06 Qualcomm, Indorporated Communication system employing multiple handoff criteria
US6865389B2 (en) * 2001-09-05 2005-03-08 Telefonaktiegolaget Lm Ericsson System and method for a virtual soft handover in a high data rate network based on data transmission information
US7489687B2 (en) * 2002-04-11 2009-02-10 Avaya. Inc. Emergency bandwidth allocation with an RSVP-like protocol
GB2388494A (en) * 2002-05-08 2003-11-12 Lucent Technologies Inc Handover of mobile call connection
US7359979B2 (en) 2002-09-30 2008-04-15 Avaya Technology Corp. Packet prioritization and associated bandwidth and buffer management techniques for audio over IP
US20040073690A1 (en) 2002-09-30 2004-04-15 Neil Hepworth Voice over IP endpoint call admission
US8176154B2 (en) * 2002-09-30 2012-05-08 Avaya Inc. Instantaneous user initiation voice quality feedback
ATE332616T1 (de) * 2002-10-15 2006-07-15 Lucent Technologies Inc Verfahren zur auswahl von zellen von basisstationen für eine soft-handover-verbindung, und ein netzwerk für mobilübertragungssysteme
US20050043028A1 (en) * 2003-08-20 2005-02-24 Nokia Corporation Arrangement for supporting data exchange between terminal equipment and a mobile communication network via a mobile terminal
CN1898984B (zh) * 2003-10-24 2010-05-12 高通股份有限公司 无线局域网和蜂窝通信系统之间的切换
US7953411B1 (en) * 2004-06-09 2011-05-31 Zte (Usa) Inc. Virtual soft hand over in OFDM and OFDMA wireless communication network
KR100460009B1 (ko) * 2004-06-23 2004-12-04 엔에이치엔(주) 이미지 리소스를 로딩하는 방법 및 이미지 리소스 로딩시스템
US7978827B1 (en) 2004-06-30 2011-07-12 Avaya Inc. Automatic configuration of call handling based on end-user needs and characteristics
ATE434361T1 (de) 2004-11-03 2009-07-15 Nokia Corp Inter-system-weiterreichung eines mobilen endgeräts, das mit einem ersten und zweiten funkzugangsnetz betreibbar ist
GB2437343B (en) 2006-04-21 2008-04-23 Motorola Inc Handover between radio networks
US7617337B1 (en) 2007-02-06 2009-11-10 Avaya Inc. VoIP quality tradeoff system
KR100912629B1 (ko) 2007-05-03 2009-08-17 노키아 코포레이션 제1 및 제2 무선접속망들과 함께 동작 가능한 이동 단말의시스템간 핸드오버
US20090129272A1 (en) * 2007-11-20 2009-05-21 Motorola, Inc. Method and apparatus to control data rate in a wireless communication system
EP2241135B1 (en) * 2008-02-08 2017-03-01 Telefonaktiebolaget LM Ericsson (publ) Method and node in a communications network
US8218751B2 (en) 2008-09-29 2012-07-10 Avaya Inc. Method and apparatus for identifying and eliminating the source of background noise in multi-party teleconferences
CN104618165B (zh) * 2015-02-13 2018-04-13 上海小蚁科技有限公司 一种网络评估方法及装置
CN106547563B (zh) * 2016-11-14 2020-03-31 海能达通信股份有限公司 对讲机中操作功能的实现方法、装置和对讲机终端
EP3358708A1 (en) * 2017-02-03 2018-08-08 ABB Schweiz AG A photovoltaic inverter having an improved communication arrangement with a remote computerised system

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2048056C1 (de) * 1970-09-30 1978-10-19 Siemens Ag, 1000 Berlin Und 8000 Muenchen Empfänger für in SSMA-Technik modulierte elektrische Schwingungen
US3925782A (en) * 1975-02-28 1975-12-09 Us Army Adaptive RF power output control for net radios
US4222115A (en) * 1978-03-13 1980-09-09 Purdue Research Foundation Spread spectrum apparatus for cellular mobile communication systems
SE458734B (sv) * 1984-10-31 1989-04-24 Ericsson Telefon Ab L M Foerfarande att utoeka antalet samtalsmoejligheter i ett mobiltelefonsystem
US4868795A (en) * 1985-08-05 1989-09-19 Terra Marine Engineering, Inc. Power leveling telemetry system
FR2592256B1 (fr) * 1985-12-20 1988-02-12 Trt Telecom Radio Electr Dispositif d'asservissement de la puissance d'emission d'un faisceau hertzien
FR2595889B1 (fr) * 1986-03-14 1988-05-06 Havel Christophe Dispositif de controle de puissance d'emission dans une station emettrice-receptrice de radiocommunication
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
JPS63226124A (ja) * 1986-10-29 1988-09-20 Oki Electric Ind Co Ltd 無線装置用レベル制御回路
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
US5267262A (en) * 1989-11-07 1993-11-30 Qualcomm Incorporated Transmitter power control 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
US5265119A (en) * 1989-11-07 1993-11-23 Qualcomm Incorporated Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system
US5257283A (en) * 1989-11-07 1993-10-26 Qualcomm Incorporated Spread spectrum transmitter power control method and system
FI86352C (fi) * 1989-11-14 1992-08-10 Nokia Oy Ab Digitaliskt radiolaenksystem och foerfarande foer reglering av en saendingseffekt i ett digitaliskt radiolaenksystem.
SE466081B (sv) * 1990-04-26 1991-12-09 Ericsson Telefon Ab L M Foerfarande vid handoff i ett mobilradiosystem
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
SE467386B (sv) * 1990-10-05 1992-07-06 Ericsson Telefon Ab L M Foerfarande foer reglering av uteffekt i mobilradiosystem
US5093840A (en) * 1990-11-16 1992-03-03 Scs Mobilecom, Inc. Adaptive power control for a spread spectrum transmitter
US5107487A (en) * 1991-05-28 1992-04-21 Motorola, Inc. Power control of a direct sequence CDMA radio
US5195090A (en) * 1991-07-09 1993-03-16 At&T Bell Laboratories Wireless access telephone-to-telephone network interface architecture
US5184347A (en) * 1991-07-09 1993-02-02 At&T Bell Laboratories Adaptive synchronization arrangement
US5179571A (en) * 1991-07-10 1993-01-12 Scs Mobilecom, Inc. Spread spectrum cellular handoff apparatus and method
US5379448A (en) * 1991-08-05 1995-01-03 International Business Machines Load balancing in a digital communications network using radio links
US5220678A (en) * 1991-08-12 1993-06-15 Motorola, Inc. Method and apparatus for adjusting the power of a transmitter
US5245629A (en) * 1991-10-28 1993-09-14 Motorola, Inc. Method for compensating for capacity overload in a spread spectrum communication system
US5301356A (en) * 1991-12-10 1994-04-05 Telefonaktiebolaget L M Ericsson Prioritization between handoff and new call requests in a cellular communications system
US5267261A (en) * 1992-03-05 1993-11-30 Qualcomm Incorporated Mobile station assisted soft handoff in a CDMA cellular communications system
US5305468A (en) * 1992-03-18 1994-04-19 Motorola, Inc. Power control method for use in a communication system
US5313454A (en) * 1992-04-01 1994-05-17 Stratacom, Inc. Congestion control for cell networks
JPH05292012A (ja) * 1992-04-07 1993-11-05 Nec Corp 移動体通信システムの輻輳制御方式
KR100289630B1 (ko) * 1992-07-13 2001-05-02 리패치 무선 랜의 출력제어방법 및 장치
US5465399A (en) * 1992-08-19 1995-11-07 The Boeing Company Apparatus and method for controlling transmitted power in a radio network
NZ255617A (en) * 1992-09-04 1996-11-26 Ericsson Telefon Ab L M Tdma digital radio: measuring path loss and setting transmission power accordingly
US5386456A (en) * 1993-06-25 1995-01-31 Motorola, Inc. Method of reducing audio gap in downlink during handoff of cellular radiotelephone
US5388102A (en) * 1993-07-01 1995-02-07 At&T Corp. Arrangement for synchronizing a plurality of base stations
JP3192839B2 (ja) * 1993-09-20 2001-07-30 富士通株式会社 初期送信電力の決定方法
US5383219A (en) * 1993-11-22 1995-01-17 Qualcomm Incorporated Fast forward link power control in a code division multiple access system
BR9405716A (pt) * 1993-12-02 1995-12-19 Motorola Inc Processo para realizar comunicação ligada transcodificador fonte e transcodificador alvo
JP2904335B2 (ja) * 1994-04-27 1999-06-14 エヌ・ティ・ティ移動通信網株式会社 送信電力制御方法および移動局装置
US5596625A (en) * 1994-09-28 1997-01-21 U S West Technologies, Inc. Method for routing emergency calls during busy interface channel conditions
US5697055A (en) * 1994-10-16 1997-12-09 Qualcomm Incorporated Method and apparatus for handoff between different cellular communications systems
KR0170190B1 (ko) * 1995-12-06 1999-03-30 정선종 씨디엠에이 이동통신 시스템에서 트래픽 부하 제어방법
US5826188A (en) * 1995-12-07 1998-10-20 Motorola, Inc. Method and apparatus for handing off calls between differing radio telecommunication networks
US5794149A (en) * 1995-12-29 1998-08-11 Lucent Technologies Inc. Base station controlled handoff method and apparatus
US5754945A (en) * 1996-01-18 1998-05-19 Northern Telecom Limited Fuzzy logic control of cellular handoff
US5722073A (en) * 1996-02-21 1998-02-24 Telefonaktiebolaget L M Ericsson Method and system for measuring signals in a telecommunications systemhaving maho
US5940762A (en) * 1996-05-01 1999-08-17 Lee; Kuo-Chun Inter-system calling supporting inter-system soft handoff
US5796722A (en) * 1996-05-17 1998-08-18 Motorola, Inc. Method and apparatus for dynamic load balancing using handoff
US6002933A (en) * 1997-04-29 1999-12-14 Qualcomm Incorporated Inter-system soft handoff

Also Published As

Publication number Publication date
WO1998049858A1 (en) 1998-11-05
KR20010020222A (ko) 2001-03-15
EP0979584A1 (en) 2000-02-16
JP4031054B2 (ja) 2008-01-09
CN1893727B (zh) 2011-01-19
CN1147196C (zh) 2004-04-21
KR100509407B1 (ko) 2005-08-22
US20020132622A1 (en) 2002-09-19
US6002933A (en) 1999-12-14
JP2001523418A (ja) 2001-11-20
HK1026798A1 (en) 2000-12-22
AU7258298A (en) 1998-11-24
EP0979584B1 (en) 2005-09-28
DE69831738D1 (de) 2005-11-03
CN1893727A (zh) 2007-01-10
ATE305708T1 (de) 2005-10-15
CN1259262A (zh) 2000-07-05
CN1311708C (zh) 2007-04-18
CN1510962A (zh) 2004-07-07

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