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Sociedade Brasileira de Telecomunicações

2019 - XXXVII Simpósio Brasileiro de Telecomunicações e Processamento de Sinais



An Efficient Grant-Based Scheme for the Massive Random Access Gaussian Channel

This paper investigates the Massive Random Access Gaussian Channel with a focus on small payloads. For this problem, grant-based schemes have been regarded a...

SBrT 2019


Tensor-Based Joint Downlink and Uplink Channel Estimation in MU-MIMO Communication Systems

In this paper, the problem of joint downlink (DL) and uplink (UL) channel estimation is adressed in a multiuser multiple-input multiple-output (MIMO) wireles...

SBrT 2019


Implementação em tempo real de um sistema de redução de ruído binaural com preservação da função de transferência interaural

Esse trabalho apresenta a implementação em tempo real de um algoritmo adaptativo para redução de ruído em aparelhos auditivos com preservação das pistas bina...

SBrT 2019


RaspBed: a low cost experimentation platform based on Raspberry Pi for wireless communication studies

In this paper we propose a low cost platform for the study and teaching of radio communications, making it possible to reduce the gap between practice and th...

SBrT 2019


Application of an STFT-based filter in ultrasonic signals for strain monitoring

Monitoring mechanical strain is relevant in several applications. Ultrasonic signals in reverberant media can be used to this purpose by observing the peak o...

SBrT 2019