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What is IEEE 802.22

Handbook of Research on Software-Defined and Cognitive Radio Technologies for Dynamic Spectrum Management
The first Wireless Regional Area Network air interface standard based on cognitive radios enabling cognitive operation over TV white space.
Published in Chapter:
Complexity Issues within Eigenvalue-Based Multi-Antenna Spectrum Sensing
Ines Elleuch (University of Carthage, Tunisia), Fatma Abdelkefi (University of Carthage, Tunisia), and Mohamed Siala (University of Carthage, Tunisia)
DOI: 10.4018/978-1-4666-6571-2.ch023
This chapter provides a deep insight into multiple antenna eigenvalue-based spectrum sensing algorithms from a complexity perspective. A review of eigenvalue-based spectrum-sensing algorithms is provided. The chapter presents a finite computational complexity analysis in terms of Floating Point Operations (flop) and a comparison of the Maximum-to-Minimum Eigenvalue (MME) detector and a simplified variant of the Multiple Beam forming detector as well as the Approximated MME method. Constant False Alarm Performances (CFAR) are presented to emphasize the complexity-reliability tradeoff within the spectrum-sensing problem, given the strong requirements on the sensing duration and the detection performance.
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