WASET
Cho, H. , Lee, Y. , Kang, S. , Chong, D. , Lee, M. , Song, C. , Yoon, S. (2010), 'A Novel Spectrum Sensing Scheme Based on Periodicity of DVB-T Pilot Signals', World Academy of Science, Engineering and Technology, Open Science Index 45, International Journal of Electronics and Communication Engineering, 4(9), 1393 - 1397.