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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:CHI Yong-gang,ZHANG Sheng-yu.Signal modeling of the OFDM-based fractional fourier domain communication system[J].Journal of Harbin Institute Of Technology(New Series),2012,19(3):10-14.DOI:10.11916/j.issn.1005-9113.2012.03.002.
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Signal modeling of the OFDM-based fractional fourier domain communication system
Author NameAffiliation
CHI Yong-gang Communication Research Center,Harbin Institute of Technology, Harbin 150001, China 
ZHANG Sheng-yu Communication Research Center,Harbin Institute of Technology, Harbin 150001, China 
Abstract:
In this paper, a new transmission scheme for Fractional Fourier Domain Transform Communication System (FrFDCS) based on OFDM is proposed, which can be potentially applied in transmitting control information in the cognitive radio (CR) network. The proposed system can take advantage of concentration property of non-stationary signals in fractional domain to obtain a better performance against Chirp like jammers. Meanwhile, Chirp format subcarriers of fractional domain OFDM can solve the orthogonality degradation in the traditional OFDM system, when it comes to the time-frequency-selective channel. The signal model is designed for the OFDM-based FrFDCS and the BER performance in the AWGN channel is analyzed and simulated as well.
Key words:  cognitive radio  OFDM  TDCS  FrFDCS
DOI：10.11916/j.issn.1005-9113.2012.03.002
Clc Number:TN929
Fund:

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