This paper compares the video quality performance of low definition (LD), standard definition (SD) and high definition (HD) video signals encoded with H.2...

• Wyllian B. da Silva
• Keiko V. O. Fonseca
• Alexandre de A. P. Pohl

• Dirac
• H.264/AVC
• Digital TV

SBrT 2010

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

• André F. de Araujo
• Yuzo Iano
• Rangel Arthur

• Dirac video codec
• H.264; Video Coding
• Vide Compression
• Wavelet-based video coding

SBrT 2010

The Texas eZ430-RF2500 is a new device developed for wireless networking applications. This paper analyzes the propagation features of this device for the ...

• Eurico Moura B. Sobral
• Rafael Dueire Lins
• Zanoni Dueire Lins

• propagation
• Texas
• eZ430-RF2500

SBrT 2010

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...

• Robson D. Vieira
• Edgar B. Souza
• Andre M. Cavalcante
• Riku Pirhonen
• Padam Kafle
• Andrei Malkov
• Zexian Li

• TV band
• white spaces
• interference analysis

SBrT 2010