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Sociedade Brasileira de Telecomunicações


Impact of Outdated CSI on the Secrecy Performance of Multiple Untrusted Relay Networks with Direct Link and Destination-Based Jamming

This paper investigates the impact of outdated channel estimates on the secrecy performance of multiple untrusted relay networks, where the direct link is us...

SBrT 2019


Underlay Cognitive Networks with Partial Relay Selection and Primary-User Interference

Most related works addressing cognitive relaying networks focus on the impact of the interference constraint imposed by the primary receivers on the perfo...

SBrT 2017


Conditionally-Distributed Link Selection in Multiuser Multirelay Networks with Transmit Beamforming

This work analyzes the outage probability and the mean spectral efficiency of a link-selection scheme for a multiuser multirelay cooperative network with t...

SBrT 2013


Outage Analysis of a Spectrum-Sharing Cognitive Relaying Network with Improved Spectral Efficiency

The outage performance of a spectrally efficient scheme for diversity exploitation in multiuser cognitive relaying networks under spectrum sharing constrai...

SBrT 2013


M2M Protocols for Constrained Environments in the Context of IoT: A Comparison of Approaches

The Internet of Things movement opens new possibilities for services and business along with new technological challenges, such as power efficiency, operatio...

SBrT 2015