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Primary user detection with delay diversity receiver in cognitive radio

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3 Author(s)
Eun Cheol Kim ; Department of Wireless Communications Engineering, Kwanwoon University, Seoul, 139-701, Korea ; Seho Park ; Jin Young Kim

In this paper, we propose a efficient primary user detection method in cognitive radio (CR). We adopt a delay diversity receiver for solving problems of the conventional spectrum detector utilizing multiple antennas, which are the increase in hardware complexity and cost. From simulation results, it is demonstrated that the primary user detector with delay diversity receiver has almost half complexity and shows similar or improved performance as compared with that employing multiple antennas.

Published in:

Communications and Information Technology, 2009. ISCIT 2009. 9th International Symposium on

Date of Conference:

28-30 Sept. 2009