BR9810001A - Processo em um sistema de radiocomunicação celular, e, arranjo para comunicar informação enquadrada em um sistema de radiocomunicação celular - Google Patents

Processo em um sistema de radiocomunicação celular, e, arranjo para comunicar informação enquadrada em um sistema de radiocomunicação celular

Info

Publication number
BR9810001A
BR9810001A BR9810001-7A BR9810001A BR9810001A BR 9810001 A BR9810001 A BR 9810001A BR 9810001 A BR9810001 A BR 9810001A BR 9810001 A BR9810001 A BR 9810001A
Authority
BR
Brazil
Prior art keywords
base stations
frame counter
arrangement
radiocommunication system
cellular radiocommunication
Prior art date
Application number
BR9810001-7A
Other languages
English (en)
Other versions
BR9810001B1 (pt
Inventor
Per Hans Ake Willars
Karl Anders Nosman
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR9810001A publication Critical patent/BR9810001A/pt
Publication of BR9810001B1 publication Critical patent/BR9810001B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • 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
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2668—Arrangements for Wireless Code-Division Multiple Access [CDMA] System Synchronisation
    • 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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • 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
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2684—Synchronisation of a mobile station with more than one base station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

''PROCESSO EM UM SISTEMA DE RADIOCOMUNICAçãO CELULAR, E, ARRANJO PARA COMUNICAR INFORMAçãO ENQUADRADA EM UM SISTEMA DE RADIOCOMUNICAçãO CELULAR'' A presente invenção relaciona-se a um processo e um arranjo para sincronizar comunicação de dados enquadrados via estações base assíncronas (BS1, BS2) em um sistema de comunicação celular, por exemplo um sistema CDMA. O processo de sincronização é realizado continuamente enviando certos estados de contador de quadro de sistema de um nó central no sistema para todas as suas estações base conectadas (BS1, BS2). Cada estação base (BS1, BS2) compreende um contador de quadro local (LFC~ BS1~; LFC~ BS2~), que gera estados de contador de quadro local (tl(1) - tl(4); t2(1) - t2(4)) correlacionados aos estados de contador de quadro de sistema. Transmissão de informação via as estações base (BS1, BS2) e sincronizada designando cada quadro de dados (DF(1) - DF(4)) um particular número de quadro, que é dado pelos estados de contador de quadro local (tl(1) - tl(4); t2(1) - t2(4)) assim os quadros de dados (DF(1) - DF(4)) tendo idênticos números contém cópias de um certo pacote de dados. Corretos números de quadro são derivados das medições de deslocamento de canal de enlace inferior comum (CCO1; CCO2) cumpridas nas estações base (BS1, BS2), e valores de avanço de temporização (TA2) e deslocamentos de canal de enlace inferior (DCO1; DCO2) calculados no nó central.
BRPI9810001-7B1A 1997-06-13 1998-05-29 "processo para realizar transmissço simultÂnea em um sistema de radiocomunicaÇço celular, e, arranjo para comunicar informaÇço de quadros durante transferÊncia suave em um sistema de radiocomunicaÇço celular" BR9810001B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9702273A SE509836C2 (sv) 1997-06-13 1997-06-13 Förfarande och arrangemang i ett radiokommunikationssystem
PCT/SE1998/001035 WO1998057450A1 (en) 1997-06-13 1998-05-29 Methods and arrangements in a radio communications system

Publications (2)

Publication Number Publication Date
BR9810001A true BR9810001A (pt) 2000-08-01
BR9810001B1 BR9810001B1 (pt) 2013-07-23

Family

ID=20407380

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9810001-7B1A BR9810001B1 (pt) 1997-06-13 1998-05-29 "processo para realizar transmissço simultÂnea em um sistema de radiocomunicaÇço celular, e, arranjo para comunicar informaÇço de quadros durante transferÊncia suave em um sistema de radiocomunicaÇço celular"

Country Status (12)

Country Link
US (2) US6449290B1 (pt)
EP (2) EP1463367B1 (pt)
JP (1) JP3420252B2 (pt)
KR (1) KR100378653B1 (pt)
CN (2) CN1330111C (pt)
AU (1) AU748521B2 (pt)
BR (1) BR9810001B1 (pt)
CA (1) CA2293813C (pt)
DE (1) DE69827129T2 (pt)
RU (1) RU2225675C2 (pt)
SE (1) SE509836C2 (pt)
WO (1) WO1998057450A1 (pt)

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Also Published As

Publication number Publication date
EP1463367A1 (en) 2004-09-29
JP2001508980A (ja) 2001-07-03
WO1998057450A1 (en) 1998-12-17
CN1260921A (zh) 2000-07-19
EP0983649B1 (en) 2004-10-20
BR9810001B1 (pt) 2013-07-23
CN1538639A (zh) 2004-10-20
DE69827129T2 (de) 2005-03-17
JP3420252B2 (ja) 2003-06-23
CN1161895C (zh) 2004-08-11
KR20010013195A (ko) 2001-02-26
EP1463367B1 (en) 2018-05-30
CN1330111C (zh) 2007-08-01
AU8045798A (en) 1998-12-30
CA2293813C (en) 2009-07-21
KR100378653B1 (ko) 2003-03-31
DE69827129D1 (de) 2004-11-25
US6449290B1 (en) 2002-09-10
AU748521B2 (en) 2002-06-06
SE9702273L (sv) 1998-12-14
SE9702273D0 (sv) 1997-06-13
SE509836C2 (sv) 1999-03-15
USRE41000E1 (en) 2009-11-24
EP0983649A1 (en) 2000-03-08
RU2225675C2 (ru) 2004-03-10
CA2293813A1 (en) 1998-12-17

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