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Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium



Vertical Handoff Algorithms for Heterogeneous 3G Networks

One of main challenges of fourth generation wireless networks (4G) will be the integration of various mobile technologies such as CDMA 1xEV-DO RA, UMTS/HSDP...

SBrT 2010


User Cooperation Using Multiple Antennas

This paper proposes user cooperation strategy using multiple antennas technology (MIMO). In a first model we used a Code Division Multiple Access (CDMA) sy...

SBrT 2010


Trust Management for Survivable Communication on Self-Organized Wireless Networks

Self-organized wireless networks comprise different devices cooperating among themselves to provide network services. These networks support critical applic...

SBrT 2010


Traffic Influence in Distributed Networks Using Cooperation and Set-Membership Filtering

This paper investigates the influence of data loss in the performance of cooperative adaptive filters in distributed networks. The algorithms analyzed are...

SBrT 2010


Traffic Engineering and Maintenance Domains in WDM Carrier Ethernet Networks

This paper proposes optimal approaches integrating traffic engineering and protected network connection in Ethernet-over-WDM technology, analyzing to multi...

SBrT 2010