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...
- Pedro Cruz
- Matheus C Damasceno
- Ricardo Suyama
- Murilo Bellezoni Loiola
- physical layer security
- wireless communications
- signal processing
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...
- Ruby Stella Ospina
- Menno van den Hout
- Chigo Okonkwo
- Darli Mello
- Mode-dependent loss
- mode-dependent gain
- space-division multiplexing
- long-haul transmission
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...
- Paulo Thiago G Mascarenhas
- Cassio Fabius Cambraia Ribeiro
- Francisco de Caldas Filho
- Fabio Lúcio Lopes de Mendonça
- Rafael Timoteo de Sousa Junior
- Internet das Coisas
- gestão de dispositivos
- redundância
- gateway IoT
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...
- Evaristo Ramalho
- Eduardo Peixoto
- Context Adaptive
- Binary Arithmetic Coding
- Lossless Compression
- JBIG
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. ...
- Daniel Oliveira Carneiro
- Moacir Brito Maia Neto
- Leonardo Ramalho
- Flavio Nunes
- Aldebaro Klautau
- RF front end
- LTE
- Rapid Prototyping
SBrT 2020