Nowadays, in the actual context where wireless communications systems are becoming
always more crucial, enabling heterogeneous services and massive device connections …

In wireless communications, the need to process and to exchange large amounts of real-
time data is steadily increasing, but on the other hand the availability of spectral resources …

As the spectrum becomes more and more congested, an accurate understanding of its
usage is required. Software Defined Radio (SDR) systems provide a flexible prototyping …

Due to interference between co-located wireless networks, obtaining accurate channel
assessment becomes increasingly important for wireless network configuration. This …

In the context of trying to obtain a solution for using the limited radio spectrum resources in
an efficient way, the design of equipment having flexible RF front ends arose as a necessity …

Abstract Software-defined Radios (SDRs) have developed exponentially in recent years.
This is due to the high versatility that SDR platforms bring to communications systems. This …

The spectrum has always been an essential resource of information for wireless
communications. With the continued growth of Internet of things (IoT) and 5G, there is a …

Cognitive radio (CR) and software-defined radio (SDR) system technologies provide added
flexibility and offer improved spectrum efficiency. Cognitive radio is an obstreperous radio …

The paper proposes a distributed architecture to monitor spectrum occupancy status through
the use of Software Defined Radios (SDRs). Such a monitoring process is useful in order to …

A real time implementation of a spectrum sensing system with assured accuracy plays a key
role to design a cognitive radio. In cognitive radio, spectrum sensing acts as the center …