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Enhanced hybrid spectrum sensing architecture for cognitive radio equipment

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3 Author(s)
Khalaf, Z. ; SUPELEC, IETR, Cesson-Sevigne, France ; Nafkha, A. ; Palicot, Jacques

Spectrum sensing is an important process in cognitive communication and must be performed accurately. In this paper we propose a low complexity detector based on a combination of two well-known and complementary spectrum sensing methods: energy and cyclostationary detection. The cyclostationary detector is used to estimate the noise level N0, which is then used to fix the threshold of the energy detector. Simulation results show promising performances of the proposed detector in low Signal to Noise Ratio (SNR).

Published in:

General Assembly and Scientific Symposium, 2011 XXXth URSI

Date of Conference:

13-20 Aug. 2011