Collisions are a main cause of throughput degradation in wireless local area networks. The
current contention mechanism used in the IEEE 802.11 networks is called carrier sense …

Cooperation in wireless networks has shown significant performance gains in comparison to
legacy wireless networks. Cooperative wireless protocols achieve such efficiency by …

This paper reports experimental results comparing the performance of four platforms
employed in spectrum sensing and dynamic spectrum access research: a sensing engine …

This paper deals with the hardware and software architecture of a signal detector prototype.
It is able to observe a wide band and to find, in such band, the empty or occupied channels …

Abstract Software Defined Radio (SDR) promises to deliver a cost effective and flexible
solution by implementing a wide variety of wireless protocols in software. The SDR became …

In this paper we present a 2× 2 MIMO-OFDM real-time system based on Sundance's
Software Radio development kits, which includes TI DSP, Xilinx FPGA, ADC/DAC and RF …

This paper addresses the issue of practical realization of real-time Cognitive Radio (CR)
enabled opportunistic Secondary Users (SUs) through test-bed design and characterization …

This paper describes a small-scale software radio platform that has been developed and
implemented to investigate the new mobile network concept of Network-Assisted Device-to …

Anti-jamming capability and protection against undesired interception are key priorities in ad
hoc networks for secure applications. These features are supported by spread spectrum …

The need for RF spectrum for the rapidly growing broadband access services is evident.
Cognitive radio is an emerging technology that aims to introduce secondary usage of the …