OFDM signal sensing method based on cyclostationary detection

被引:19
作者
Sohn, Sung Hwan [1 ]
Han, Ning [1 ]
Kim, Jae Moung [1 ]
Kim, Jae Wan [2 ]
机构
[1] Inha Univ, Grad Sch Informat Technol & Telecommun, Inchon, South Korea
[2] LG Mobile Commun Technol Res Lab, Anyang, South Korea
来源
2007 2ND INTERNATIONAL CONFERENCE ON COGNITIVE RADIO ORIENTED WIRELESS NETWORKS AND COMMUNICATIONS | 2007年
关键词
D O I
10.1109/CROWNCOM.2007.4549773
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Cognitive Radio is an advanced enabling technology for efficient utilization of vacant spectrum due to its ability to sense the spectrum environment. Various detection methods have been proposed for spectrum sensing, which is the key function in implementing cognitive radio. Most of the existing methods put their interests in detecting TV signal and wireless microphone signals. In this paper, we explore the cyclostationarity of the equally spaced pilot subcarriers in OFDM signal. By averaging over several symbols, the peak property is able to be captured. Simulations in various fading environments show that the proposed cyclostationary based detection method works well for OFDM signal.
引用
收藏
页码:63 / +
页数:2
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