Due to the under-utilization problem of the allocated radio spectrum, cognitive radio (CR)
communications have recently emerged as a reliable and effective solution. Among various …

It is widely believed that the advances of networking technologies will reshape the future of
telecommunication system. The continuous growth in data traffic originated by mobile users …

A concise survey of the literature on cyclostationarity of the last 10 years is presented and an
extensive bibliography included. The problems of statistical function estimation, signal …

The massive growth in mobile users and wireless technologies has resulted in increased
data traffic and created demand for additional radio spectrum. This growing demand for …

Direct-conversion radio (DCR) receivers can offer highly integrated low-cost hardware
solutions for spectrum sensing in cognitive radio (CR) systems. However, the DCR receivers …

During the last decades, wireless communications have evolved from a scarce technology,
used by professionals for niche applications to a rapidly advancing research field. Ever …

This paper proposes two digital receiver (RX) linearization and in-phase/quadrature (I/Q)
correction solutions, where an additional reference RX (ref-RX) chain is adopted in order to …

In cognitive radio (CR) networks, the role of spectrum sensing (SS) is crucial to enable an
efficient exploitation of the radio spectrum resource. The need to measure spectrum …

Aerodynamic instabilities in centrifugal compressors are dangerous phenomena affecting
machine efficiency and in severe cases leading to failure of the compressing system. Quick …

In space-limited co-located communication systems, wideband transmitters and receivers
are deployed for various applications. The strong coupling between transmitters and …