Group-based management for cooperative spectrum sensing in cognitive radio networks

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In cognitive radio networks, secondary users can opportunistically utilize the unused spectrum holes that are originally licensed to primary users. Therefore, spectrum sensing for seeking unutilized spectrum is a key element to establish cognitive radio network successfully, and cooperative spectrum sensing is a promising way to obtain more trustable sensing results. This paper considers the scenario in which secondary users monitor multiple channels employing cooperative spectrum sensing. Based on the concept of group-based management for spectrum sensing, we propose sensing allocation algorithm in which SUs are allowed to sense the channel which they can monitor reliably. The simulation results show that detection performance is improved in comparison with the conventional scheme.
Publisher
ICACT 2010
Issue Date
2010-02-07
Language
English
Citation

12th International Conference on Advanced Communication Technology: ICT for Green Growth and Sustainable Development, ICACT 2010, pp.119 - 123

ISSN
1738-9445
URI
http://hdl.handle.net/10203/172317
Appears in Collection
EE-Conference Papers(학술회의논문)
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