A general approach for analyzing the performance of dual-hop cooperative diversity networks with nonregenerative amplify-and-forward (AF) relays and employ...

• Daniel Benevides da Costa

• Amplify-and-forward relaying
• cooperative diver- sity
• dual-hop transmissions
• moment-based estimators
• perfor- mance analysis

SBrT 2012

This paper presents a probabilistic model to assess the interference produced by HAPS systems into FWA systems operating in the same frequency bands. To av...

• Alberth Tamo
• Jose Mauro P. Fortes

• High Altitude Platforms Stations
• Probabilistic Modeling
• Fixed Wireless Access
• Point-to-Multipoint

SBrT 2017

This paper discusses the design of multiple input multiple output (MIMO) antenna systems and proposes a genetic algorithm to obtain the position and orient...

• Manuel Binelo
• André L. F. de Almeida
• F. Rodrigo P. Cavalcanti

• MIMO
• array optimization
• genetic algorithm
• capacity.

SBrT 2011

The outstanding growth of location-based services and applications for mobile devices has motivated research about wireless positioning techniques for outd...

• Robson D. A. Timoteo
• Daniel C. Cunha
• Lizandro N. Silva
• George D. C. Cavalcanti

• Mobile positioning
• machine learning
• cellular net- works

SBrT 2017

Neste trabalho, descrevemos um monitor de potência óptica OPMo de construção simples, compacto e incluindo o uso de um modelo de foto-detector amplamente d...

• Rafaella D. de Oliveira
• Viviane H. da Silva
• Taiane A. M. G. de Freitas
• Ricardo M. Ribeiro
• Andrés P. L. Barbero
• Vinicius N. H. Silva

• Fibra Óptica Polimérica
• Monitor de Potência Óptica
• Dispositivo Ativo
• Espalhamento
• Opto-eletrônica.

SBrT 2015