SG71791A1 - Low traffic handoff method for cdma cellular network using different frequencies among base stations - Google Patents

Low traffic handoff method for cdma cellular network using different frequencies among base stations

Info

Publication number
SG71791A1
SG71791A1 SG1998001142A SG1998001142A SG71791A1 SG 71791 A1 SG71791 A1 SG 71791A1 SG 1998001142 A SG1998001142 A SG 1998001142A SG 1998001142 A SG1998001142 A SG 1998001142A SG 71791 A1 SG71791 A1 SG 71791A1
Authority
SG
Singapore
Prior art keywords
base stations
cellular network
different frequencies
cdma cellular
low traffic
Prior art date
Application number
SG1998001142A
Other languages
English (en)
Inventor
Yoshi Wakizaka
Original Assignee
Nec Corp 7 1 Shiba 5 Chome
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 Nec Corp 7 1 Shiba 5 Chome filed Critical Nec Corp 7 1 Shiba 5 Chome
Publication of SG71791A1 publication Critical patent/SG71791A1/en

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
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • 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
    • H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • 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
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
SG1998001142A 1997-05-28 1998-05-27 Low traffic handoff method for cdma cellular network using different frequencies among base stations SG71791A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13813897A JP3058261B2 (ja) 1997-05-28 1997-05-28 Ｃｄｍａハンドオフ方式及びそれを用いた移動通信セルラーシステムとその基地局

Publications (1)

Publication Number Publication Date
SG71791A1 true SG71791A1 (en) 2000-04-18

Family

ID=15214895

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998001142A SG71791A1 (en) 1997-05-28 1998-05-27 Low traffic handoff method for cdma cellular network using different frequencies among base stations

Country Status (8)

Country Link
US (1) US6081714A (fr)
EP (1) EP0881852B1 (fr)
JP (1) JP3058261B2 (fr)
KR (1) KR100304781B1 (fr)
CN (1) CN1096206C (fr)
BR (1) BR9802142A (fr)
DE (1) DE69838049T2 (fr)
SG (1) SG71791A1 (fr)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6021122A (en) * 1996-06-07 2000-02-01 Qualcomm Incorporated Method and apparatus for performing idle handoff in a multiple access communication system
KR100295437B1 (ko) * 1997-12-30 2001-07-12 윤종용 멀티주파수할당시스템의커버리지최적화방법
GB2342008A (en) * 1998-07-28 2000-03-29 Nokia Telecommunications Oy Inter-network call handover
JP3634641B2 (ja) * 1998-10-20 2005-03-30 富士通株式会社 Ｃｄｍａ方式移動通信システム
US6549787B1 (en) * 1999-04-26 2003-04-15 Samsung Electronics Co., Ltd. System and method for use in an MSC-BS interface for supporting an access state handoff
US6363260B1 (en) * 1999-07-07 2002-03-26 Qualcomm, Incorporated System and method for edge of coverage detection in a wireless communication device
US6792276B1 (en) * 1999-07-13 2004-09-14 Telefonaktiebolaget Lm Ericsson (Publ) Hot spot with tailored range for extra frequency to minimize interference
US6115406A (en) * 1999-09-10 2000-09-05 Interdigital Technology Corporation Transmission using an antenna array in a CDMA communication system
EP1089588A1 (fr) * 1999-09-15 2001-04-04 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Procédé, appareil et unité de programmation pour l'amélioration de la qualité de transmission dans un système de communication accès multiple par code de repartition (AMCR)
KR100681469B1 (ko) * 1999-09-18 2007-02-12 삼성전자주식회사 비동기 이동통신시스템에서 보조동기채널들을 구비하는 동기 이동통신시스템으로의 핸드오프 수행장치 및 방법
US7333451B1 (en) * 1999-10-18 2008-02-19 Nortel Networks Limited Buffer management for mobile internet protocol
GB9927995D0 (en) * 1999-11-27 2000-01-26 Koninkl Philips Electronics Nv Method for conformance testing of radio communication equipment
JP3454775B2 (ja) * 2000-03-29 2003-10-06 三洋電機株式会社 Ｃｄｍａ通信システムの移動局及びハンドオフ方法
US6535739B1 (en) * 2000-04-07 2003-03-18 Qualcomm Incorporated Method of handoff within a telecommunications system containing digital base stations with different spectral capabilities
US7016331B1 (en) * 2000-09-05 2006-03-21 Cisco Technology, Inc. Method of handoff control in an enterprise code division multiple access wireless system
KR20020039859A (ko) * 2000-11-22 2002-05-30 조정남 이동 통신 시스템의 에스에스디티(ｓｓｄｔ)를 이용한핸드 오프 방법
KR100592597B1 (ko) * 2001-01-10 2006-06-26 한국전자통신연구원 압축 모드 및 인접 기지국 간 공통 주파수를 이용한핸드오버 방법
FR2821708B1 (fr) * 2001-03-01 2003-05-23 Eads Defence & Security Ntwk Procede de transfert intercellulaire dans un systeme de radiocommunications avec le mobile
JP3492646B2 (ja) 2001-04-20 2004-02-03 松下電器産業株式会社 基地局探索方法および移動体無線端末装置
FI114275B (fi) * 2002-05-31 2004-09-15 Nokia Corp Taajuudenvälisten kanavavaihtojen hallinta
US20070135141A1 (en) * 2003-11-10 2007-06-14 M-Stack Limited Apparatus and method for handling messages that relate to a cell other than the currently operating cell in universal mobile telecommunications system user equipment
JP2005210304A (ja) * 2004-01-21 2005-08-04 Matsushita Electric Ind Co Ltd 無線通信システム
KR100810247B1 (ko) * 2004-03-05 2008-03-06 삼성전자주식회사 직교 주파수 분할 다중 접속 시스템에서 채널 할당 방법및 장치
US7929968B2 (en) * 2004-10-15 2011-04-19 Meshnetworks, Inc. System and method to facilitate inter-frequency handoff of mobile terminals in a wireless communication network
KR101113860B1 (ko) 2005-02-18 2012-03-02 엘지전자 주식회사 멀티모드 이동단말의 핸드오버 수행 후 링크 해제 방법 및그 이동단말
CN101156472B (zh) * 2005-03-10 2016-08-10 日本电气株式会社 移动通信系统中的不同频率监视装置和方法
US7747252B2 (en) * 2005-07-12 2010-06-29 Futurewei Technologies, Inc. Method and system for handover negotiation optimization for wireless system
US8199724B2 (en) * 2005-09-23 2012-06-12 Xr Communications, Llc Multiple beam antenna base station
US20070135122A1 (en) * 2005-12-12 2007-06-14 Dillon Matt J System and method for providing coverage to mobile stations in a network
KR101036100B1 (ko) * 2006-11-08 2011-05-19 후지쯔 가부시끼가이샤 대역간 핸드오버를 행하는 이동 통신 시스템에서 사용되는 기지국 장치, 유저 장치 및 방법
CN101415218B (zh) * 2007-10-15 2012-09-05 中兴通讯股份有限公司 切换证实消息处理方法
JP4945530B2 (ja) * 2008-08-25 2012-06-06 株式会社東芝 ホームエージェント、通信システム、及び通信方法
WO2010075642A1 (fr) * 2008-12-31 2010-07-08 中兴通讯股份有限公司 Procédé d'annulation de transfert
JP5293199B2 (ja) * 2009-01-08 2013-09-18 富士通株式会社 無線通信装置、制御装置、移動通信システムおよび無線通信方法
US8547939B1 (en) 2010-11-15 2013-10-01 Sprint Communications Company L.P. Base station frequency band prioritization
KR101472100B1 (ko) 2010-12-22 2014-12-11 주식회사 케이티 무선통신 시스템에서 기지국 장비 및 데이터 처리 방법
KR101311512B1 (ko) 2011-08-09 2013-09-25 주식회사 케이티 상향 링크 신호 처리 방법, 하향 링크 신호 처리 방법 및 이를 수행하는 무선 유닛
KR101289879B1 (ko) 2011-08-16 2013-07-24 주식회사 케이티 디지털 신호 처리 장치, 신호 처리 시스템 및 신호 처리 방법
KR101311523B1 (ko) 2011-10-26 2013-09-25 주식회사 케이티 이종 망 간의 망 부하 분산 방법
KR101311524B1 (ko) 2011-10-27 2013-09-25 주식회사 케이티 이종 망의 경계 주변에 위치하는 단말의 망 천이 방법
KR101262340B1 (ko) 2011-11-30 2013-05-08 주식회사 케이티 시스템 정보 제공 장치 및 그 방법
CN102743508B (zh) * 2012-06-26 2015-04-22 青岛绿曼生物工程有限公司 治疗鸡传染性喉支气管炎的复方蜂胶组合物及其制备方法
CN103281736B (zh) * 2013-05-24 2017-03-29 京信通信系统（中国）有限公司 为终端分配资源、在基带单元间切换的方法、设备和系统
CN103442402B (zh) * 2013-08-20 2016-07-20 京信通信系统（中国）有限公司 一种邻区切换的方法、设备和系统
CN107426742B (zh) 2016-05-23 2019-02-12 北京小米移动软件有限公司 信令发送方法、参考信号发送方法、装置及系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5267261A (en) * 1992-03-05 1993-11-30 Qualcomm Incorporated Mobile station assisted soft handoff in a CDMA cellular communications system
DE69325844T2 (de) * 1992-04-17 2000-08-31 Ericsson Inc., Research Triangle Park Mobil unterstütztes Weiterreichen mit Kodemultiplex-Vielfachzugriff
JP3080205B2 (ja) * 1993-05-12 2000-08-21 株式会社エヌ・ティ・ティ・ドコモ スペクトラム拡散移動通信の通信中チャネル切替方法
EP0624994B1 (fr) * 1993-05-12 2000-04-05 Ntt Mobile Communications Network Inc. Méthode pour le transfert d'appel et appareil mobile pour système de communication à spectre étalé
KR960007664B1 (ko) * 1993-12-29 1996-06-08 재단법인 한국전자통신연구소 씨.디.엠.에이(cdma) 셀룰러 시스템의 핸드오프 결정 방법
JP3014271B2 (ja) * 1994-05-25 2000-02-28 エヌ・ティ・ティ移動通信網株式会社 移動通信方法
US5697055A (en) * 1994-10-16 1997-12-09 Qualcomm Incorporated Method and apparatus for handoff between different cellular communications systems
KR970008949B1 (en) * 1994-11-16 1997-06-03 Korea Electronics Telecomm Method and system for providing a frequency handoff in communication in a cdma cellular telephone 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

Also Published As

Publication number Publication date
BR9802142A (pt) 1999-06-29
EP0881852A3 (fr) 2000-03-01
JP3058261B2 (ja) 2000-07-04
JPH10336720A (ja) 1998-12-18
CN1200637A (zh) 1998-12-02
EP0881852A2 (fr) 1998-12-02
DE69838049T2 (de) 2008-03-13
EP0881852B1 (fr) 2007-07-11
CN1096206C (zh) 2002-12-11
KR19980087450A (ko) 1998-12-05
KR100304781B1 (ko) 2001-09-24
US6081714A (en) 2000-06-27
DE69838049D1 (de) 2007-08-23

Similar Documents

Publication Publication Date Title
SG71791A1 (en) Low traffic handoff method for cdma cellular network using different frequencies among base stations
AU7920898A (en) Method, base station, mobile station and cellular radio system for handover and cell-reselection
FI960815A0 (fi) Menetelmä tukiaseman vaihtamiseksi ATM-verkon radiMenetelmä tukiaseman vaihtamiseksi ATM-verkon radiolaajennuksessa olaajennuksessa
GB9300310D0 (en) Handover method for mobile wireless station
SG114476A1 (en) Method, base station and mobile station for timeslot selection and timeslot assignment
HK1054650A1 (en) Intersystem base station handover
AU1747597A (en) Method and apparatus for cellular radiotelephone base stations using selected multiple diversity reception
AU7770998A (en) Method for identifying base stations of a time division cellular network in a mobile station and mobile station
FI973718A (fi) Parannettu menetelmä tukiaseman vaihtamiseksi
NO20003631L (no) Tidssynkronisering styrt fra mobile radiostasjoner i et CDMA- nett
HK1041760B (zh) 採用用於選擇最佳業務提供者的智能漫遊方法的移動站
GB2326312B (en) Radio base stations for cellular mobile communication systems
GB9804678D0 (en) Base station for use in cellular communications systems
HK1076000A1 (en) Handover method for phs personal station
HK1070226A1 (en) Base station handover in a hybrid gsm/cdma network
AU3412001A (en) Mobile station apparatus, base station apparatus, and method for allotting radiocommunication channels
HUP0002804A3 (en) Method of reconfiguration of a cellular telephone network, as well as system controller and base station controller
AU138200S (en) Base transceiver station for mobile network
HK1026561A1 (en) Method of realizing hard handoff between fa in cdma mobile communication system
HUP0301270A3 (en) Mobil station, telecommunication system and method for cell reselection
AU5191299A (en) Add-on base station for cellular network expansion
HK1049555B (zh) 至少兩個基站的無反作用工作的方法
NO995128D0 (no) Fremgangsmåte for valg av kanal i et GSM/DCS-basert, celledelt radionett
DE69943027D1 (de) Weiterreichungsverfahren, Basisstation, Mobilstation und Mobilkommunikationssystem
FI974310A (fi) Menetelmä tukiasemien synkronisoimiseksi ja solukkoradiojärjestelmä