Novel Blind Carrier Frequency Offset Estimation for OFDM System with Multiple Antennas

被引：30

作者：

Zhang, Xiaofei ^{[1
]}

Gao, Xin ^{[1
]}

Xu, Dazhuan ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Dept Elect Engn, Nanjing 210016, Peoples R China

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2010年 / 9卷 / 03期

关键词：

Carrier frequency offset (CFO); OFDM; multiple antennas; trilinear model; IDENTIFIABILITY; COMPLEXITY;

D O I：

10.1109/TWC.2010.03.081149

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 address the problem of carrier frequency offset (CFO) estimation for Orthogonal Frequency Division Multiplexing (OFDM) systems with multiple antennas. The received signal can be denoted as a trilinear model, then the trilinear decomposition-based CFO estimation algorithm is proposed. Comparing to both ESPRIT method and the cyclo-stationarity (CS) approach, the algorithm that we presented has improved CFO estimation performance. Furthermore, our proposed algorithm can even work in condition of no virtual carrier. Simulation results illustrate performance of this algorithm.

引用

页码：881 / 885

页数：5

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