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BR0108933A - Sistema e método para mobilidade vertical automática sem conexão fìsica entre wlans wwans - Google Patents

Sistema e método para mobilidade vertical automática sem conexão fìsica entre wlans wwans

Info

Publication number
BR0108933A
BR0108933A BR0108933-1A BR0108933A BR0108933A BR 0108933 A BR0108933 A BR 0108933A BR 0108933 A BR0108933 A BR 0108933A BR 0108933 A BR0108933 A BR 0108933A
Authority
BR
Brazil
Prior art keywords
wwan
wlan
radio
connection
call
Prior art date
Application number
BR0108933-1A
Other languages
English (en)
Other versions
BRPI0108933B1 (pt
Inventor
Raj Bridgelall
Original Assignee
Symbol Technologies 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 Symbol Technologies Inc filed Critical Symbol Technologies Inc
Publication of BR0108933A publication Critical patent/BR0108933A/pt
Publication of BRPI0108933B1 publication Critical patent/BRPI0108933B1/pt

Links

Classifications

    • 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
    • H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/04—Reselecting a cell layer in multi-layered cells
    • 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
    • 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
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • 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
    • H04W88/16—Gateway arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)

Abstract

"SISTEMA E MéTODO PARA MOBILIDADE VERTICAL AUTOMáTICA SEM CONEXãO FìSICA ENTRE WLANS WWANS". Uma Estação Móvel (MS) é capaz de mover-se verticalmente em qualquer direção entre duas redes diferentes, isto é WWAN e WLAN. A MS é equipada com um Rádio de modo duplo para transmissões WWAN e WLAN. O Rádio WLAN está ligado a um Controlador de Portão de Empreendimento WLAN (EGC) via uma primeira ligação por ar e o Rádio WWAN está ligado a uma Estação Transceptora Base WWAN (BTS) via uma segunda ligação por ar. O EGC está conectado a um Centro de Comutação Móvel (MSC) que por sua vez está conectado ao BTS. Uma chamada de VOIP sendo emitida a partir do Rádio WLAN para um parceiro remoto na WWAN transicionará ou comutará sem conexão física através de uma conexão WWAN quando a MS detectar taxas de erro de pacote, retorno de escala freq³ente ou degradação de sinal consistente. Com tais condições, o Rádio WLAN solicita a EGC para pedir uma Transferência de Chamada Explícita via o MSC para a porção de Rádio WWAN integrada na ms a qual automaticamente aceita a chamada baseado na informação referenciada armazenada no módulo de identificação de assinante (SIM) . Uma vez que o Rádio WWAN é confirmado conectado ao parceiro remoto na WWAN, o Rádio WLAN derruba a conexão WLAN. Uma chamada entrando entre a MS e um usuário remoto via a WWAN transicionará para o Rádio WLAN quando a MS entrar em cobertura WLAN. A MS emite um ECT para a WLAN. Após verificação de usuário pelo Rádio WLAN e os sinais EGC de aceitação da chamada, a conexão por Rádio WWAN é derrubada e a chamada é agora estabelecida entre o Rádio WLAN e o parceiro remoto na WWAN.
BRPI0108933A 2000-12-28 2001-12-27 método para roaming vertical automático sem interrupção BRPI0108933B1 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US25866900P 2000-12-28 2000-12-28
US27702001P 2001-03-19 2001-03-19
US10/014,448 US7039027B2 (en) 2000-12-28 2001-12-14 Automatic and seamless vertical roaming between wireless local area network (WLAN) and wireless wide area network (WWAN) while maintaining an active voice or streaming data connection: systems, methods and program products
PCT/US2001/045874 WO2002054820A2 (en) 2000-12-28 2001-12-27 Automatic seamless vertical roaming between wireless local area networks and wireless wide area networks

Publications (2)

Publication Number Publication Date
BR0108933A true BR0108933A (pt) 2002-12-24
BRPI0108933B1 BRPI0108933B1 (pt) 2017-01-17

Family

ID=27360105

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0108933A BRPI0108933B1 (pt) 2000-12-28 2001-12-27 método para roaming vertical automático sem interrupção

Country Status (11)

Country Link
US (2) US7039027B2 (pt)
EP (1) EP1346597B1 (pt)
JP (1) JP2004517574A (pt)
KR (1) KR100880751B1 (pt)
CN (1) CN1606891B (pt)
AT (1) ATE456272T1 (pt)
AU (1) AU2002233965B2 (pt)
BR (1) BRPI0108933B1 (pt)
CA (1) CA2398185C (pt)
DE (1) DE60141162D1 (pt)
WO (1) WO2002054820A2 (pt)

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