Radio communications should travel perfectly through space, right? Well, not exactly, as it turns out. There’s plenty to interfere with radio communications away from the surface of Earth, including ...

Cognitive radio networks (CRNs) represent an innovative paradigm in wireless communications that optimises the usage of the limited radio frequency spectrum. By enabling unlicensed secondary users to ...

Dr. Joseph Mitola, Distinguished Professor and Vice President of The Research Enterprise at Stevens Institute of Technology, received the IEEE TCCN Recognition Award at the IEEE International Dynamic ...

In this paper, the simulation of cognitive radio system to must detect the presence of primary user to avoid interference. Spectrum sensing to detect the spectrum holes (unused bands of the spectrum) ...

Last December, the FCC opened wide what many believe will be the next frontier in wireless communications. In a notice of proposed rule making (NPRM), it asked how cognitive radio could best be ...

Modern SDRs evolve from configurable platforms into intelligent wideband sensing systems combining high dynamic range, ...

A combined single-chip radio and baseband processor, the RTU7010, has demonstrated its ability to operate in an ultra-wideband (UWB) cognitive radio system, according to Realtek Semiconductor Corp.

MERRIMACK, N.H.--(BUSINESS WIRE)--Through a contract from the U.S. Defense Advanced Research Projects Agency (DARPA), BAE Systems has developed a new lightweight, handheld tactical sensor that ...