Cognitive radio RF: overview and challenges
VLSI Design - Special issue on Flexible Radio Design: Trends and Challenges in Digital Baseband Implementation
Stalling innovation of Cognitive Radio: The case for a dedicated frequency band
Telecommunications Policy
Business case evaluations for LTE network offloading with cognitive femtocells
Telecommunications Policy
A comparative study of cognitive radio platforms
Proceedings of the International Conference on Management of Emergent Digital EcoSystems
Enabling cognitive-radio paradigm on commercial off-the-shelf 802.11 hardware
Proceedings of the 8th ACM international workshop on Wireless network testbeds, experimental evaluation & characterization
Relaxing pre-selector filter selectivity requirements using cognitive RF front-end control
Analog Integrated Circuits and Signal Processing
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The year 2009 marked the 10th anniversary of Mitola and Maguire Jr. introducing the concept of cognitive radio. This prompted an outpouring of research work related to CR, including the publication of more than 30 special issue scientific journals and more than 60 dedicated conferences and workshops. Although the theoretical research is blooming, with many interesting results presented, hardware and system development for CR is progressing at a slower pace. We provide synopses of the commonly used platforms and testbeds, examine what has been achieved in the last decade of experimentation and trials relating to CR, and draw several perhaps surprising conclusions. This analysis will enable the research community to focus on the key technologies to enable CR in the future.