2009 International Conference on Network-Based Information Systems 2009
DOI: 10.1109/nbis.2009.95
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Exploring Efficient Imperative Handover Mechanisms for Heterogeneous Wireless Networks

Abstract: Abstract-The Next Generation Internet will provide ubiquitous computing by the seamless operation of heterogeneous wireless networks. It will also provide support for quality-ofservice, QoS, fostering new classes of applications and will have a built-in multi-level security environment. A key requirement of this new infrastructure will be support for efficient vertical handover. Y-Comm is a new architecture that will meet the challenge of this new environment. This paper explores the design of efficient impera… Show more

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Cited by 22 publications
(18 citation statements)
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“…The Y-Comm FrameworkY-Comm [11], [20], [19] is a communication architecture to support vertical handover for multihomed nodes in heterogeneous environment. The architecture has two frameworks:…”
Section: The Y-comm Frameworkmentioning
confidence: 99%
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“…The Y-Comm FrameworkY-Comm [11], [20], [19] is a communication architecture to support vertical handover for multihomed nodes in heterogeneous environment. The architecture has two frameworks:…”
Section: The Y-comm Frameworkmentioning
confidence: 99%
“…Additionally, issues such as network operability and overlapping are addressed by this layer. Analysis: As described in [19], Y-Comm supports reactive and proactive models of the vertical handover. With reactive handover, the mobile terminal (MT) makes the decision to handover as a response to layer 2 events such as fading signal strength or the presence of a neighbouring network with a better QoS.…”
Section: The Y-comm Frameworkmentioning
confidence: 99%
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“…Figura 1 -Componentes físicos de uma rede 802.11................................................................................................. 8 Figura 2 -BSS Independente ................................................................................................................................. 10 Figura 3 -BSS Infraestruturado............................................................................................................................. 10 Figura 4 -Processo de associação ......................................................................................................................... 11 Figura 5 -Conjunto de Serviço Estendido (ESS) .................................................................................................... 13 Figura 6 -Arquitetura de um provedor Wi-Fi, adaptada de [Bresil, 2004] ............................................................. 14 Figura 7 -Arquitetura de rede GSM/GPRS, adaptada de [Bresil, 2004] ................................................................. 19 Figura 8 -Arquitetura de rede UMTS, adaptada de [Bresil, 2004 Figura 9 -Classificação de tipos de handover, extraído de [Mapp, 2009] .............................................................. 28 Figura 10 -Funcionamento do MIPv6, extraído de [Martins, 2003] ....................................................................... 33 Figura 11 -Arquitetura SOHand, extraída de [Yokoyama, 2008 .. ................................................................................ 36 Figura 13 -Modelo de entidade habilitada com MIH, extraído de [IEEE, 2009a] .................................................. 39 Figura 14 -Esquema Básico do IEEE 802.21......................................................................................................... 42 Figura 15 -Cenário menos povoado ...................................................................................................................... 52 Figura 16 -Cenário mais povoado ........................................................................................................................ 52 Figura 17 -Vazão à 36 km/h, tráfego VoIP, acesso tradicional, cenário menos povoado ........................................ 57 Figura 18 -Valor gasto, cenário menos povoado, à 36 km/h, priorizando preço ..................................................... 59 Figura 19 -Valor gasto, cenário menos povoado, à 5 km/h, priorizando preço ....................................................... 59 Figura 20 -Vazão à 36 km/h, tráfego VoIP, priorizando preço, cenário VoIP,acesso tradicional,cenário mais povoado,à 36 km/h,cenário mais povoado,à 5 km/h,tráfego VoIP,priorizando preço,...…”
Section: Lista De Figurasunclassified
“…Este pode ser feito pela rede (network-centric ou networkcontrolled) com ou sem auxílio do dispositivo móvel, ou pode ser feito pelo usuário (user-centric ou client-based) com ou sem auxílio da rede. Segundo [Mapp, 2009], o gerenciamento centrado no usuário é a melhor solução, sendo mais escalável, pois o usuário pode facilmente monitorar os parâmetros necessários de suas interfaces de rede e permite ao dispositivo móvel considerar fatores locais como, por exemplo, o estado de suas conexões TCP.…”
Section: Gerenciamento De Handoverunclassified