Transmit Antenna Number Identification for MIMO Cognitive Radio Systems in the Presence of Alpha-Stable Noise

被引：3
|
作者：
Zhang, Junlin [1 ,2 ]
Zhao, Nan [3 ]
Liu, Mingqian [1 ,2 ]
Chen, Yunfei [4 ]
Gong, Fengkui [1 ,2 ]
Yang, Qinghai [1 ,2 ]
Yu, F. Richard [5 ]
机构：
[1] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Shaanxi, Peoples R China
[2] Xidian Univ, Collaborat Innovat Ctr Informat Sensing & Underst, Xian 710071, Shaanxi, Peoples R China
[3] Dalian Univ Technol, Sch Informat & Commun Engn, Dalian 116024, Peoples R China
[4] Univ Warwick, Sch Engn, Coventry CV4 7AL, W Midlands, England
[5] Carleton Univ, Dept Syst & Comp Engn, Ottawa, ON K1S 5B6, Canada
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2022年 / 71卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Transmitting antennas; MIMO communication; Correlation; Receiving antennas; Eigenvalues and eigenfunctions; Testing; Symmetric matrices; Alpha-stable noise; fractional lower order statistics; multiple-input multiple-output; parameter identification; CHANNEL ESTIMATION; ENUMERATION; MODULATION; MOMENTS;
D O I：
10.1109/TVT.2021.3137627
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：
Identification of communication parameters, a major task of intelligent receivers, has important applications in intelligent systems, especially cognitive radio systems. Multiple antennas make the identification problem more challenging. In this paper, we focus on the problem of detecting the number of transmit antennas in multiple-input multiple-output (MIMO) cognitive radio systems. A novel identification algorithm is proposed to determine the number of transmit antennas for MIMO systems in the presence of alpha-stable noise. We first introduce the correlation matrix based on the fractional lower order statistics (FLOS) and provide a particular structure of FLOS-based correlation matrix. Then, the eigenvalues of the FLOS-based correlation matrix are employed to construct a test statistic and the central limit theorem is exploited to obtain the decision threshold. Finally, the transmit-antenna number is detected using a serial binary hypothesis test. Simulation results are demonstrated to evaluate the effectiveness of the proposed transmit-antenna number detection algorithm for MIMO systems in the presence of alpha-stable noise.
引用
收藏
页码：2798 / 2808
页数：11
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