2010 - VII International Telecommunications Symposium
Cross-Layer Interaction Between the Application, Routing and MAC Layers for Wireless Sensor Networks
This paper proposes a network protocol that relies on cross-layer interaction between the Medium Access Control (MAC), Network and Application layers for w...
- Edsongley V. Almeida
- Welliana B. Ramalho
- Iguatemi E. Fonseca
- Marcelo Sampaio de Alencar
SBrT 2010
Hardware-Friendly Implementation of Soft Information Set Decoders
This article has two main purposes: (i) to introduce and evaluate a modified version of the Dorsch soft decoding algorithm for block codes, based on inform...
- A. Gortan
- R. P. Jasinski
- W. Godoy Jr.
- V. A. Pedroni
- soft-decision
- information set decoding
- Dorsch algorithm
- hardware implementation
- FPGA
- VHDL
SBrT 2010
Modulations for Large Signal Constellations Coming from Embedding of Complete Graph
The integrated system of data transmission, encoding, modulation and block channels are projected in dependent ways with the purpose of getting an integrate...
- João de Deus Lima
- Luana Priscilla R. C. de Lima
- Wilken Charles Dantas de Melo
SBrT 2010
Lossless Multi-Grid Chain Code with Optimized Cell Usage for Contour Description of Visual Objects
In the context of object-based image compression, shape encoders that describe the contour of the objects, called chain codes, tend to be more efficient th...
- Fabiana O. P. Fernandes
- Willian G. de Almeida
- Flávia M. Freitas
- Abraham Alcaim
- shape encoding
- object-based image compression
- MPEG-4
- chain code
- grid cell
SBrT 2010
An Application Server Approach for Number Portability in IMS networks
Number portability (NP) is an important requirement present in most telephony networks. Typically, NP is regulated by local legislation and is inherently a...
- Rafael Gava de Oliveira
- Paulo Sigrist
- Wilson A. Higashino
- Cassiano O. Becker
- Carlos E. Pagani
- Joaquim Silva
- Number Portability
- Telecommunication
- NGN
- IMS
- Application Server
SBrT 2010