Frequency Synchronization for TDS-OFDM System with Transmit Diversity

被引：0
|
作者：
Du, Dengbao [1 ]
Wang, Jintao [1 ]
Han, Bing [1 ]
Yang, Zhixing [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, TNList, Beijing 100084, Peoples R China
来源：
2009 INTERNATIONAL CONFERENCE ON TELECOMMUNICATIONS (ICT) | 2009年
关键词：
SCHEME;
D O I：
10.1109/ICTEL.2009.5158677
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper proposes a frequency synchronization algorithm for time domain synchronous Orthogonal Frequency Division Multiplexing (TDS-OFDM) system with multiple antenna transmit diversity. The training sequences used in the transmit diversity TDS-OFDM system are orthogonal and have near-optimal autocorrelation property, and the carrier frequency offset (CFO) estimation algorithm is based on these properties. From computer simulations, the proposed frequency synchronization method performs better when increasing the number of the transmit antenna in AWGN environment, and the estimated CFO can make the carrier-to-interference ratio be greater than 20dB even over time-varying multipath channels with SNR=10dB.
引用
收藏
页码：373 / 376
页数：4
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