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Sociedade Brasileira de Telecomunicações


WARM: WSN Application development and Resource Management

Wireless Sensor Networks (WSN) play an important part in enabling the Internet of Things, but WSN application development and resource management are still a...

SBrT 2016


Warped Discrete S-Transform

This work introduces the warped discrete-time S- transform and the warped discrete S-transform to improve th e time frequency representation of the well-k...

SBrT 2015


WiFi Multifloor Indoor DCM Positioning

Database correlation methods (DCM) are used to locate mobile stations (MS’s) in wireless networks. A target radiofrequency (RF) fingerprint - measured by th...

SBrT 2013


Wireless Communications in the Undergrad Curriculum

The field of wireless communications even in its restriction to cellular systems continues to expand rapidly. As such, its introduction in the undergraduat...

SBrT 2013


Wireless Physical-layer Security Using Precoding and an Active Eavesdropper

The wireless physical layer security can assist traditional encryption mechanisms by generating the keys, for instance. However, some techniques allow hiding...

SBrT 2017