Second-Order Cyclostationarity-Based Detection of LTE SC-FDMA Signals for Cognitive Radio Systems

被引：25
|
作者：
Jerjawi, Walid A. [1 ]
Eldemerdash, Yahia A. [1 ]
Dobre, Octavia A. [1 ]
机构：
[1] Mem Univ Newfoundland, Fac Engn & Appl Sci, St John, NF A1B 3X9, Canada
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2015年 / 64卷 / 03期
关键词：
Cognitive radio (CR); long-term evolution (LTE); signal cyclostationarity; signal detection; single carrier-frequency division multiple access (SC-FDMA); THEORETICAL DEVELOPMENTS; SPECTRUM MANAGEMENT; CLASSIFICATION; NETWORKS; OFDM;
D O I：
10.1109/TIM.2014.2357592
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：
In this paper, we investigate the detection of longterm evolution (LTE) single carrier-frequency division multiple access (SC-FDMA) signals, with application to cognitive radio systems. We explore the second-order cyclostationarity of the LTE SC-FDMA signals and apply results obtained for the cyclic autocorrelation function to signal detection. The proposed detection algorithm provides a very good performance under various channel conditions, with a short observation time and at low signal-to-noise ratios, with reduced complexity. The validity of the proposed algorithm is verified using signals generated and acquired by laboratory instrumentation, and the experimental results show a good match with computer simulation results.
引用
收藏
页码：823 / 833
页数：11
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