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Sociedade Brasileira de Telecomunicações

Increasing cross-correlation in LoRaWAN RSSI based key generation with DCT and PCA

Physical-layer Key generation for wireless networks has been considered a promising alternative to traditional techniques based on pseudorandom number genera...

SBrT 2020

Mode-dependent Loss and Gain Emulation in Coupled SDM Transmission

Space-division multiplexing (SDM) is currently the only solution to cope with the exponential growth of data traffic in optical transmission networks. The pe...

SBrT 2020

Composição de Gateways IoT Redundantes com Base em Computação de Nevoeiro

Redes IoT são heterogêneas no que se refere aos dispositivos presentes, incluindo assim dispositivos sem capacidade de se comunicar com a pilha de protocolos...

SBrT 2020

Context Selection for Lossless Compression of Bi-Level Images

Bi-level images are used in many fields to represent binary masks for object and region of interest coding, enhancement layers of color images and point clou...

SBrT 2020

RF Front End for an SDR-based Community Network in the 700 MHz Band

This paper presents the design of an RF front end for a base transceiver station implemented with a commercial general purpose software defined radio board. ...

SBrT 2020