Skip to content

Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium



A UWB Power Delay Profile Data Acquisition for Indoor Environments Using a Spectrum Analyser

This paper presents a measurement system for indoor characterization of UWB channels. The presented method uses a scalar network analyzer (SNA) or a spectr...

SBrT 2010


An Adequate Objective Performance Evaluation of Dirac Video Codec Compared to H.264/AVC

Dirac, a relevant new open wavelet-based video codec, has been released recently. The main contribution of this paper is an adequate performance evaluation...

SBrT 2010


Interference Analysis of Coexistence Scenarios in TV White Spaces

Broadband wireless systems in TV White Spaces have gained considerable attention since FCC started the process in 2004 and later 2008 published the first r...

SBrT 2010


Nanophotonics in Modern Communication Systems – Feasibility of Plasmon-Polariton Waveguides in Optical Networks

Use of surface-plasmons-polaritons has become a potential way to develop optical components below the diffraction limit. This paper reports the feasibility...

SBrT 2010


System-Level Analysis of Outer Loop Link Adaptation on Mobile WiMAX Systems

Link adaptation is a process of paramount importance to optimize the performance of wireless communication systems. However, standardization committees have ...

SBrT 2010