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Sociedade Brasileira de Telecomunicações

2011 - XXIX Simpósio Brasileiro de Telecomunicações



Swarm Intelligence Applied to 16-QAM DS-CDMA Multiuser Detectors

In this paper, the uplink direct sequence code division multiple access (DS-CDMA) multiuser detection problem (M U D) with 16-QAM modulation in flat Raylei...

SBrT 2011


Detectores Guiados para Sistemas MIMO: Abordagens Esférica, Decomposição QR e Greedy

O receptor convencional (filtro casado) torna-se ineficiente em sistemas com múltiplas antenas no transmissor e receptor (MIMO) que demandem alta vazão (th...

SBrT 2011


Ascending chain of monoid rings and encoding

In this work, we present a construction techniqueof cyclic, BCH, alternant, Goppa and Srivastava codes throughthe monoid ring B[X;1kpZ0] instead of a polyno...

SBrT 2011


Distributed Resource Allocation for Wireless Service Provision in a Competitive Scenario

With the continuous development of mobile wireless networks, they have become a new player in the competitive market of data service provision. Economical ...

SBrT 2011


On the Performance of Device-to-Device Communication: a Distance-based Analysis

Allowing a Device-to-Device (D2D) communication mode in a cellular network is a feature that might improve the system performance due to a better (re)use o...

SBrT 2011