AU753734B2 - Method and system for soft handoff control based on access network capacity - Google Patents

Method and system for soft handoff control based on access network capacity Download PDF

Info

Publication number
AU753734B2
AU753734B2 AU45383/99A AU4538399A AU753734B2 AU 753734 B2 AU753734 B2 AU 753734B2 AU 45383/99 A AU45383/99 A AU 45383/99A AU 4538399 A AU4538399 A AU 4538399A AU 753734 B2 AU753734 B2 AU 753734B2
Authority
AU
Australia
Prior art keywords
access network
sources
threshold
active set
loading
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.)
Ceased
Application number
AU45383/99A
Other languages
English (en)
Other versions
AU4538399A (en
Inventor
Carl Magnus Frodigh
Jens Knutsson
Magnus Einar Madfors
Magnus Stig Persson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU4538399A publication Critical patent/AU4538399A/en
Application granted granted Critical
Publication of AU753734B2 publication Critical patent/AU753734B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • 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
    • 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
    • H04W36/24—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
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/10—Flow control between communication endpoints
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
AU45383/99A 1998-05-15 1999-05-07 Method and system for soft handoff control based on access network capacity Ceased AU753734B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/079228 1998-05-15
US09/079,228 US6381458B1 (en) 1998-05-15 1998-05-15 Method and system for soft handoff control based on access network capacity
PCT/SE1999/000778 WO1999060797A2 (en) 1998-05-15 1999-05-07 Method and system for soft handoff control based on access network capacity

Publications (2)

Publication Number Publication Date
AU4538399A AU4538399A (en) 1999-12-06
AU753734B2 true AU753734B2 (en) 2002-10-24

Family

ID=22149220

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45383/99A Ceased AU753734B2 (en) 1998-05-15 1999-05-07 Method and system for soft handoff control based on access network capacity

Country Status (10)

Country Link
US (1) US6381458B1 (enExample)
EP (1) EP1097598A2 (enExample)
JP (1) JP4455755B2 (enExample)
KR (1) KR100606292B1 (enExample)
CN (1) CN1143582C (enExample)
AR (1) AR015782A1 (enExample)
AU (1) AU753734B2 (enExample)
CA (1) CA2332289A1 (enExample)
TW (1) TW450010B (enExample)
WO (1) WO1999060797A2 (enExample)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6381458B1 (en) 1998-05-15 2002-04-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for soft handoff control based on access network capacity
US6625134B1 (en) * 1998-11-09 2003-09-23 Samsung Electronics Co., Ltd. System and method for reallocating a traffic channel in soft handoff state
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
FI107505B (fi) * 1999-02-16 2001-08-15 Nokia Networks Oy Pääsynvalvontamenetelmä
US6907243B1 (en) * 1999-06-09 2005-06-14 Cisco Technology, Inc. Method and system for dynamic soft handoff resource allocation in a wireless network
US6594243B1 (en) * 1999-07-15 2003-07-15 Lucent Technologies Inc. Methods and apparatus for enhanced soft handoff in a CDMA wireless communication system
US6622161B1 (en) * 1999-11-02 2003-09-16 International Business Machines Corporation Information transfer applications
DE19961516A1 (de) * 1999-12-20 2001-07-05 Siemens Ag Verfahren zur Steuerung einer Verbindungsweiterschaltung in einem Funk-Kommunikationssystem
EP1113694A1 (en) 1999-12-31 2001-07-04 Mitsubishi Electric Information Technology Centre Europe B.V. Method of reducing base station overloading
US7016310B2 (en) * 2000-04-05 2006-03-21 Telefonaktiebolaget Lm Ericsson (Publ) Deriving control parameters for telecommunications in-and-out-of-synchronization detection
CA2691637A1 (en) 2000-04-07 2001-10-25 Interdigital Technology Corporation Base station synchronization for wireless communication systems
US6816732B1 (en) * 2000-07-27 2004-11-09 Ipr Licensing, Inc. Optimal load-based wireless session context transfer
US6690939B1 (en) * 2000-09-18 2004-02-10 Telefonaktiebolaget Lm Ericsson (Publ) Increased radio communication capacity using transmit power balancing
CN1159931C (zh) * 2000-10-02 2004-07-28 株式会社Ntt都科摩 移动通信系统、基站移动站和移动通信控制方法
JP3844968B2 (ja) 2001-02-01 2006-11-15 株式会社エヌ・ティ・ティ・ドコモ 呼受付制御装置及び方法
US7006828B1 (en) * 2001-02-12 2006-02-28 Via Telecom Co. Ltd. Method and apparatus for performing cell selection handoffs in a wireless communication system
US6871075B2 (en) * 2001-05-17 2005-03-22 Nokia Mobile Phones Ltd. RRM optimization on Iur for congestion control
US7200402B2 (en) * 2001-07-03 2007-04-03 Hewlett-Packard Development Company, L.P. Method for handing off streaming media sessions between wireless base stations in a mobile streaming media system
US6980808B1 (en) 2001-11-27 2005-12-27 Cisco Technology, Inc. Communication system with floating physical channel
US6973308B1 (en) 2001-11-27 2005-12-06 Cisco Technology, Inc. Communication system with floating call anchor
JP3842663B2 (ja) * 2002-02-12 2006-11-08 株式会社エヌ・ティ・ティ・ドコモ 基地局及び無線リソース割当方法
US6678249B2 (en) * 2002-02-14 2004-01-13 Nokia Corporation Physical layer packet retransmission handling WCDMA in soft handover
EP1479179B1 (en) * 2002-02-14 2010-10-13 Nokia Corporation Physical layer packet retransmission handling in wcdma in soft handover
KR20050000368A (ko) * 2002-03-08 2005-01-03 아이피알 라이센싱, 인코포레이티드 소프트-핸드오프 영역들을 조작하기 위하여 활성세트를관리하는 안테나 적응방법
US7623477B2 (en) * 2002-05-06 2009-11-24 Qualcomm, Incorporated Methods and apparatus for downlink macro-diversity in cellular networks
US8665734B2 (en) * 2002-05-06 2014-03-04 Qualcomm Incorporated Methods and apparatus for uplink macro-diversity in packet-switched cellular networks
US20030206532A1 (en) * 2002-05-06 2003-11-06 Extricom Ltd. Collaboration between wireless lan access points
US20050169183A1 (en) * 2002-06-14 2005-08-04 Jani Lakkakorpi Method and network node for selecting a combining point
KR100967148B1 (ko) * 2002-06-27 2010-07-05 인터디지탈 테크날러지 코포레이션 사용자 장치 측정값 정보를 피어 투 피어 방식으로교환하는 무선 네트워크 제어기
US7769427B2 (en) * 2002-07-16 2010-08-03 Magnetics, Inc. Apparatus and method for catheter guidance control and imaging
ES2274313T3 (es) * 2002-08-28 2007-05-16 Interdigital Technology Corporation Sistema de gestion de recursos de radio inalambrico que utiliza una maquina de estado finito.
JP2004153316A (ja) * 2002-10-28 2004-05-27 Ntt Docomo Inc ハンドオーバ制御方法、移動通信システム及び制御装置
TWI497971B (zh) * 2002-10-29 2015-08-21 Interdigital Tech Corp 無線通信系統之基地台同步
KR100489683B1 (ko) * 2002-12-02 2005-05-17 삼성전자주식회사 무선 랜에 있어서 다중 액세스 포인트의 부하 분산 장치및 그 방법
JP2004207840A (ja) * 2002-12-24 2004-07-22 Nec Corp 無線リソース管理方法及びそれに用いる管理装置、基地局及び端末
EP2595326A1 (en) * 2003-01-21 2013-05-22 Qualcomm Incorporated Packet duplication
KR20050116797A (ko) 2003-02-18 2005-12-13 엑스트리콤 리미티드 액세스 포인트와 허브간 다중 통신
US20040162037A1 (en) * 2003-02-18 2004-08-19 Eran Shpak Multi-channel WLAN transceiver with antenna diversity
CN100505677C (zh) 2003-06-19 2009-06-24 三菱电机株式会社 无线基站装置和移动通信系统
FI20031409A0 (fi) * 2003-09-30 2003-09-30 Nokia Corp Prosessoinnin jakaminen radioverkossa
US7486953B2 (en) * 2003-11-26 2009-02-03 Northrop Grumman Corporation Method and system for soft handover
US7310526B2 (en) * 2004-02-06 2007-12-18 Nec Laboratories America, Inc. Load-aware handoff and site selection scheme
JP4427415B2 (ja) * 2004-08-05 2010-03-10 株式会社日立コミュニケーションテクノロジー ハンドオフ制御方法、無線制御局及び無線基地局
CA2593314C (en) * 2005-01-13 2012-10-09 Telefonaktiebolaget Lm Ericsson (Publ) Load sharing in multi-access systems
CN100428845C (zh) * 2005-01-31 2008-10-22 华为技术有限公司 Wcdma系统中实现准入控制的方法
US8769046B2 (en) * 2005-03-23 2014-07-01 Qualcomm Incorporated Methods and apparatus for using multiple wireless links with a wireless terminal
US20060293060A1 (en) * 2005-06-22 2006-12-28 Navini Networks, Inc. Load balancing method for wireless communication systems
US7813738B2 (en) * 2005-08-11 2010-10-12 Extricom Ltd. WLAN operating on multiple adjacent bands
KR101076754B1 (ko) 2005-09-01 2011-10-26 한국과학기술원 다중안테나 시스템에서 핸드오프 하기 위한 장치 및 방법
US7953417B2 (en) * 2005-11-04 2011-05-31 Qualcomm Incorporated Methods and apparatus for selecting and signaling a preferred link among a plurality of maintained wireless communications links
US20080049675A1 (en) * 2006-08-23 2008-02-28 Motorola, Inc. Method and system for hand-off based on network load
KR100828544B1 (ko) 2006-10-31 2008-05-13 주식회사 케이티프리텔 과부하 제어 장치 및 그 방법
US20080112373A1 (en) * 2006-11-14 2008-05-15 Extricom Ltd. Dynamic BSS allocation
US20080151871A1 (en) * 2006-12-22 2008-06-26 Nokia Corporation Power-Efficient Multi-Branch Reception
US20080181205A1 (en) * 2007-01-26 2008-07-31 Maria Rg Azada Method to improve the performance of handoffs between packet switched and circuit switched domains
ATE479301T1 (de) * 2007-02-14 2010-09-15 Mitsubishi Electric Corp System und verfahren zum bereitstellen von kommunikation auf einem telekommunikationsgerät in einem transportmittel
EP1959701B1 (en) * 2007-02-14 2015-10-14 Mitsubishi Electric R&D Centre Europe B.V. Handing over an ongoing communication of a mobile terminal located in a moving conveyance
EP1959696A1 (en) * 2007-02-14 2008-08-20 Mitsubishi Electric Information Technology Centre Europe B.V. Device and method for enabling the reception, by a mobile terminal located in a moving conveyance of signals transferred in at least a first and a second cells of a wireless cellular telecommunication network
US9253334B1 (en) * 2007-10-29 2016-02-02 Sprint Spectrum L.P. Method and system for balancing soft handoff gain and resource usage
US7933604B1 (en) 2007-11-05 2011-04-26 Sprint Spectrum L.P. Method and system for achieving reverse link gain through an asymmetric soft handoff
US8406768B1 (en) 2008-10-13 2013-03-26 Sprint Spectrum L.P. Method and system for maintaining a reverse-active set that defines which sectors receive reverse-link signals
US8761775B1 (en) * 2010-05-25 2014-06-24 Sprint Spectrum L.P. Evaluation and response to soft handoff increase in a cellular wireless network
US8116761B1 (en) 2010-08-11 2012-02-14 Sprint Communications Company L.P. Modifying wireless network paging zone broadcast based on wireless access congestion
US8503308B1 (en) * 2010-10-29 2013-08-06 Sprint Communications Company L.P. Page routing system
US8588844B2 (en) 2010-11-04 2013-11-19 Extricom Ltd. MIMO search over multiple access points
US9084111B2 (en) * 2012-02-07 2015-07-14 Aruba Networks, Inc. System and method for determining leveled security key holder
US9414301B2 (en) * 2013-04-26 2016-08-09 Telefonaktiebolaget Lm Ericsson (Publ) Network access selection between access networks
US9625497B2 (en) 2013-04-26 2017-04-18 Telefonaktiebolaget Lm Ericsson (Publ) Predicting a network performance measurement from historic and recent data
WO2015167370A1 (en) * 2014-04-28 2015-11-05 Telefonaktiebolaget L M Ericsson (Publ) Control apparatus and method of controlling the same
US20160150450A1 (en) * 2014-11-26 2016-05-26 Qualcomm Incorporated Cell selection for devices with asymmetry between uplink and downlink communications

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267261A (en) * 1992-03-05 1993-11-30 Qualcomm Incorporated Mobile station assisted soft handoff in a CDMA cellular communications system
US5584049A (en) * 1994-09-12 1996-12-10 Qualcomm Incorporated Apparatus and method for adding and removing a base station from a cellular communications system
WO1997008911A1 (en) * 1995-08-31 1997-03-06 Nokia Telecommunications Oy A handover method, and a cellular radio system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241685A (en) 1991-03-15 1993-08-31 Telefonaktiebolaget L M Ericsson Load sharing control for a mobile cellular radio system
US5448750A (en) * 1992-04-22 1995-09-05 Telefonaktiebolaget Lm Ericsson Segregation method of dynamic channel allocation in a mobile radio system
US5956643A (en) * 1994-01-13 1999-09-21 Lucent Technologies Inc. Apparatus and method for adaptive dynamic channel assignment in wireless communication networks
KR0170190B1 (ko) * 1995-12-06 1999-03-30 정선종 씨디엠에이 이동통신 시스템에서 트래픽 부하 제어방법
US5884174A (en) * 1996-06-07 1999-03-16 Lucent Technologies Inc. Call admission control for wireless networks
GB2314732A (en) 1996-06-27 1998-01-07 Motorola Ltd Congestion relief for cellular radio communication systems
GB2331673B (en) 1996-07-29 2001-02-07 Ericsson Telefon Ab L M Method of freeing a voice channel in a radio telecommunications network
US5859838A (en) 1996-07-30 1999-01-12 Qualcomm Incorporated Load monitoring and management in a CDMA wireless communication system
GB2316578B (en) 1996-08-24 2001-01-24 Motorola Ltd Control system for cellular network
US6151502A (en) * 1997-01-29 2000-11-21 Qualcomm Incorporated Method and apparatus for performing soft hand-off in a wireless communication system
US6002933A (en) * 1997-04-29 1999-12-14 Qualcomm Incorporated Inter-system soft handoff
US5960347A (en) * 1997-10-09 1999-09-28 Interdigital Technology Corporation Seamless handoff system and method
US6381458B1 (en) 1998-05-15 2002-04-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for soft handoff control based on access network capacity

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267261A (en) * 1992-03-05 1993-11-30 Qualcomm Incorporated Mobile station assisted soft handoff in a CDMA cellular communications system
US5584049A (en) * 1994-09-12 1996-12-10 Qualcomm Incorporated Apparatus and method for adding and removing a base station from a cellular communications system
WO1997008911A1 (en) * 1995-08-31 1997-03-06 Nokia Telecommunications Oy A handover method, and a cellular radio system

Also Published As

Publication number Publication date
TW450010B (en) 2001-08-11
CA2332289A1 (en) 1999-11-25
CN1301474A (zh) 2001-06-27
CN1143582C (zh) 2004-03-24
US6381458B1 (en) 2002-04-30
AU4538399A (en) 1999-12-06
JP2002516544A (ja) 2002-06-04
WO1999060797A2 (en) 1999-11-25
AR015782A1 (es) 2001-05-16
WO1999060797A3 (en) 2000-01-13
EP1097598A2 (en) 2001-05-09
JP4455755B2 (ja) 2010-04-21
KR20010043590A (ko) 2001-05-25
KR100606292B1 (ko) 2006-08-01

Similar Documents

Publication Publication Date Title
AU753734B2 (en) Method and system for soft handoff control based on access network capacity
AU769999B2 (en) Adaptive handoff algorithms for mobiles operating in CDMA systems
US7142861B2 (en) Mobile communications in a hierarchical cell structure
EP1243146B1 (en) Channel-type switching from a common channel to a dedicated channel based on common channel load
JP4104024B2 (ja) 符号分割多元接続の無線遠隔通信ネットワーク容量を動的に拡張するシステムおよび方法
US6792273B1 (en) Method and apparatus for resource reservation in a mobile radio communication system
JP4643103B2 (ja) 移動体の上り回線における送信電力情報を使用して無線ネットワークを制御する方法
WO2000038468A1 (en) Method and apparatus for resource reservation in a mobile radio communications system
KR20000077012A (ko) 무선 통신 시스템용 인텔리전트 버스트 제어 장치
KR20000071572A (ko) 무선 통신 시스템의 링크 불균형으로 인한 역방향 전파방해를 방지하기 위한 시스템 및 방법
EP1526652A1 (en) A method for setting a power offset for power control of a downlink shared channel in a mobile radiocommunication system
US20050239472A1 (en) Allocation method and controller
EP1153523B1 (en) Methods and systems for controlling hard and soft handoffs in radio communication systems
AU6995500A (en) Method, device and program unit for improving the transmission quality in a CDMA system
KR100618662B1 (ko) 셀룰러 네트워크에 다운링크 접속을 제공하기 위한 방법및 시스템
Worley et al. Handoff schemes in CDMA cellular systems
JP4316805B2 (ja) 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
JP2009538035A (ja) ベストエフォート型マクロダイバーシティ
KR20050047002A (ko) 무선 이동통신 시스템의 상향링크 스케줄링 방법

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)