DocumentCode :
664958
Title :
Robust spectrum sensing of DVB-T2 signal using the first preamble symbol
Author :
Trung ThanhNguyen ; Hanwen Cao ; Guven, Asim Burak ; Yuan Gao ; Kabbani, Ammar ; Kreul, Theo ; Kaiser, Thomas
Author_Institution :
Inst. of Digital Signal Process. (DSV), Univ. of Duisburg-Essen (UDE), Duisburg, Germany
fYear :
2013
fDate :
16-18 Oct. 2013
Firstpage :
261
Lastpage :
265
Abstract :
In the research on spectrum sensing, many works focus on TV bands, in which primary user signals follow digital video broadcasting-terrestrial (DVB-T) standard. However, DVB-T2 is the next generation of this standard. Some characteristics of the primary signal are changed including the pilot pattern and the cyclic prefix (CP). This issue results that the existing sensing algorithms based on the characteristics of DVB-T are not suitable for DVB-T2 signal, or become complex. In this paper, we propose a new sensing algorithm for DVB-T2 signal based on the first preamble symbol of DVB-T2 frame. We derive analytical forms for the detection. The detector works well at the SNR of -10dB with the false alarm of 0.01, with very short sensing time (0.224ms) and with all configurations of DVB-T2. Moreover, we propose a sensing scheme based on this algorithm for practical cognitive radio systems.
Keywords :
cognitive radio; digital video broadcasting; signal detection; DVB-T2 signal; cognitive radio; cyclic prefix; digital video broadcasting-terrestrial; first preamble symbol; pilot pattern; primary user; robust spectrum sensing; Cognitive radio; Detectors; Digital video broadcasting; Signal to noise ratio; Standards; Cognitive Radio; DVB-T2; Preamble Symbol; Spectrum Sensing; Testbed;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Advanced Technologies for Communications (ATC), 2013 International Conference on
Conference_Location :
Ho Chi Minh City
ISSN :
2162-1020
Print_ISBN :
978-1-4799-1086-1
Type :
conf
DOI :
10.1109/ATC.2013.6698118
Filename :
6698118
Link To Document :
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