DE69838049D1 - Weiterreichverfahren mit niedriger Verkehrslast für zellulares CDMA Netzwerk mit Basis-Stationen verschiedener Frequenzen - Google Patents

Weiterreichverfahren mit niedriger Verkehrslast für zellulares CDMA Netzwerk mit Basis-Stationen verschiedener Frequenzen

Info

Publication number
DE69838049D1
DE69838049D1 DE69838049T DE69838049T DE69838049D1 DE 69838049 D1 DE69838049 D1 DE 69838049D1 DE 69838049 T DE69838049 T DE 69838049T DE 69838049 T DE69838049 T DE 69838049T DE 69838049 D1 DE69838049 D1 DE 69838049D1
Authority
DE
Germany
Prior art keywords
base stations
different frequencies
cdma network
low traffic
cellular cdma
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
DE69838049T
Other languages
English (en)
Other versions
DE69838049T2 (de
Inventor
Yoshiki Wakizaka
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.)
NEC Corp
Original Assignee
NEC Corp
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 filed Critical NEC Corp
Publication of DE69838049D1 publication Critical patent/DE69838049D1/de
Application granted granted Critical
Publication of DE69838049T2 publication Critical patent/DE69838049T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04W36/08—Reselecting an access point
    • 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
    • H04W36/24—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DE1998638049 1997-05-28 1998-05-26 Weiterreichverfahren mit niedriger Verkehrslast für zellulares CDMA Netzwerk mit Basis-Stationen verschiedener Frequenzen Expired - Fee Related DE69838049T2 (de)

Applications Claiming Priority (2)

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
JP13813897 1997-05-28

Publications (2)

Publication Number Publication Date
DE69838049D1 true DE69838049D1 (de) 2007-08-23
DE69838049T2 DE69838049T2 (de) 2008-03-13

Family

ID=15214895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998638049 Expired - Fee Related DE69838049T2 (de) 1997-05-28 1998-05-26 Weiterreichverfahren mit niedriger Verkehrslast für zellulares CDMA Netzwerk mit Basis-Stationen verschiedener Frequenzen

Country Status (8)

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

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 (de) * 1999-09-15 2001-04-04 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Verfahren, Vorrichtung und Programmiergerät zum Verbessern der Übertragungsqualität in einem CDMA System
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
KR100894592B1 (ko) * 2004-10-15 2009-04-24 메시네트웍스, 인코포레이티드 무선 통신 네트워크에서 모바일 단말기의 주파수간핸드오프를 용이하게 하는 시스템 및 방법
KR101113860B1 (ko) 2005-02-18 2012-03-02 엘지전자 주식회사 멀티모드 이동단말의 핸드오버 수행 후 링크 해제 방법 및그 이동단말
EP1858271B1 (de) * 2005-03-10 2019-07-31 NEC Corporation Vorrichtung und verfahren zur überwachung unterschiedlicher frequenzen in einem mobilen kommunikationssystem
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
EP2081392B1 (de) * 2006-11-08 2014-09-24 Fujitsu Limited Basisstationsvorrichtung, benutzergeräte und verfahren in einem mobilkommunikationssystem zur durchführung eines handover zwischen bändern
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 (zh) * 2008-12-31 2010-07-08 中兴通讯股份有限公司 一种切换取消方法
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
EP0566551B1 (de) * 1992-04-17 1999-08-04 Telefonaktiebolaget L M Ericsson Mobil unterstütztes Weiterreichen mit Kodemultiplex-Vielfachzugriff
DE69423810T2 (de) * 1993-05-12 2000-10-12 Nippon Telegraph & Telephone Verfahren zum Weiterreichen und Mobilstation für Spreizspektrum Kommunikationssystem
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
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
CN1200637A (zh) 1998-12-02
EP0881852A2 (de) 1998-12-02
KR19980087450A (ko) 1998-12-05
SG71791A1 (en) 2000-04-18
JPH10336720A (ja) 1998-12-18
US6081714A (en) 2000-06-27
KR100304781B1 (ko) 2001-09-24
CN1096206C (zh) 2002-12-11
EP0881852B1 (de) 2007-07-11
JP3058261B2 (ja) 2000-07-04
DE69838049T2 (de) 2008-03-13
BR9802142A (pt) 1999-06-29
EP0881852A3 (de) 2000-03-01

Similar Documents

Publication Publication Date Title
DE69838049D1 (de) Weiterreichverfahren mit niedriger Verkehrslast für zellulares CDMA Netzwerk mit Basis-Stationen verschiedener Frequenzen
DE69706666D1 (de) Zerteilbare sendende gruppenantenne für zellulare basisstation und verfahren dafür
FI960815A0 (fi) Menetelmä tukiaseman vaihtamiseksi ATM-verkon radiMenetelmä tukiaseman vaihtamiseksi ATM-verkon radiolaajennuksessa olaajennuksessa
DE69739153D1 (de) Zellulare Kommunikationsanordnung mit Empfangsstation zur Zeitunterschiedsmessung zwischen nebenseitigen Basisstationen
DE69903596D1 (de) Zellulares Kommunikationsnetzwerk und Verfahren zur Lokalisierung von Mobilstationen mit hierarchisch strukturierten Datenbanken
FI972604A (fi) Menetelmä aikajakoisen solukkoverkon tukiasemien tunnistamiseksi matkaviestimessä ja matkaviestin
DE69840732D1 (de) Basisstation und Verfahren für Mobilkommunikationssystem
DK0894412T3 (da) Fremgangsmåde til analyse af lokaliseringen af trafikken i et cellulært radiokommunikationsnetværk
FI980616A (fi) Menetelmä parantaa radioyhteyden laatua solukkoradioverkossa
DE69827074D1 (de) Mehrkeulenantennensystem für zellulare Basisfunkstation
FI973718A (fi) Parannettu menetelmä tukiaseman vaihtamiseksi
DE69522938D1 (de) Basisstationsgruppenantenne und dazugehöriges verfahren zur erhöhung der leistungseffizienz
DE69812860T2 (de) Verfahren zur Zellsuche und Mobilstation
DE69638215D1 (de) Basisstationauswahl für CDMA-Zellularsystem mit Semaphorkanal und empfangenem Interferenz
DE59511095D1 (de) Testfolgenübertragungsverfahren für Rundfunksender
FI981491A0 (fi) Tukiaseman konfigurointimenetelmä
DE69638236D1 (de) Zugriffsverfahren, Mobilstation und Basisstation für CDMA-Mobilkommunikationssystem
DE69829755D1 (de) Verfahren zur bcch trägerfrequenzänderung ohne störung des bestehenden anrufverkehrs, sowie entsprechende basisstation
DE69932389D1 (de) Gebietsausbreitungsverfahren für ein CDMA Mobilkommunikationssystem mit einer hinzugefügten Basisstation
FI933630A (fi) Menetelmä solukkoradiojärjestelmän tietoliikenneverkon toiminnan varmistamiseksi sekä tukiasemajärjestely
DE69824678D1 (de) Zellulares CDMA Kommunikationssystem mit Rahmen Zeitverschiebung für alle Basisstationen zur Verkehrspitzenvermeidung
FI982300A0 (fi) Taajuushyppelymenetelmä ja tukiasema
FI980725A (fi) Menetelmä parantaa radioyhteyden laatua solukkoradioverkossa
DE59807655D1 (de) Verfahren, mobilstation und basisstation zur signalübertragung
NO995128D0 (no) Fremgangsmåte for valg av kanal i et GSM/DCS-basert, celledelt radionett

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee