%0 Journal Article %A Hyung-Weon Cho and Youngyoon Lee and Seung Goo Kang and Dahae Chong and Myungsoo Lee and Chonghan Song and Seokho Yoon %D 2010 %J International Journal of Electronics and Communication Engineering %B World Academy of Science, Engineering and Technology %I Open Science Index 45, 2010 %T A Novel Spectrum Sensing Scheme Based on Periodicity of DVB-T Pilot Signals %U https://publications.waset.org/pdf/13280 %V 45 %X This paper proposes a novel spectrum sensing technique for the digital video broadcasting-terrestrial (DVB-T) systems, which utilizes the periodicity of pilot signals in the orthogonal frequency division multiplexing (OFDM) symbols. The proposed scheme can overcome the effect of the timing synchronization error by recorrelating the correlation values in the same sample distances. The numerical results demonstrate that the detection probability performance of the proposed scheme outperforms that of the conventional scheme when there exists a timing synchronization error. %P 1393 - 1397