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Gosan Noh, Jemin Lee, Hano Wang, Seungjin You and Daesik Hong, "A New Spectrum Sensing Scheme using Cyclic Prefix for OFDM-Based Cognitive Radio Systems", IEEE VTC, May 2008
[IEEE VTC]
조회 136633
Status : | Presented |
---|---|
Date : | 2008-05 |
Title : | A New Spectrum Sensing Scheme using Cyclic Prefix for OFDM-Based Cognitive Radio Systems |
Authors : | Gosan Noh, Jemin Lee, Hano Wang, Seungjin You and Daesik Hong |
Conference : | IEEE Conference Vehicular Technology |
Abstract : | In cognitive radio systems, spectrum sensing schemes for detecting primary users in a licensed spectrum are essential to utilize the spectrum effectively. As a matter of fact, sensing accuracy is regarded as the most important factor for spectrum sensing with the intension of sufficient protection for the primary user. In this paper, we propose a new spectrum sensing scheme which exploits the cyclic prefix of an orthogonal frequency-division multiplexing (OFDM) symbol as well as idle period containing no information symbols. Redundant information in the cyclic prefix enables spectrum sensing to be more accurate and efficient. With analysis and simulation, we show that the proposed scheme can improve sensing accuracy and increase system throughput compared with the conventional system which uses only idle period. |
URL : | http://ieeexplore.ieee.org/xpl/articleDe...io+Systems |
Download : | http://mirinae.yonsei.ac.kr/?module=file...e8080422bf |
Gosan Noh; Jemin Lee; Hano Wang; Seungjin You; Daesik Hong; , "A New Spectrum Sensing Scheme using Cyclic Prefix for OFDM-Based Cognitive Radio Systems," Vehicular Technology Conference, 2008. VTC Spring 2008. IEEE , vol., no., pp.1891-1895, 11-14 May 2008
doi: 10.1109/VETECS.2008.429
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4525985&isnumber=4525556
doi: 10.1109/VETECS.2008.429
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4525985&isnumber=4525556
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