Frequency synchronization for OFDM Systems Over Doubly-Selective Channels

被引：1
|
作者：
Chen, Jianwu [1 ]
Wu, Yik-Chung [1 ]
Ng, Tung-Sang [1 ]
机构：
[1] Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
来源：
2008 IEEE ASIA PACIFIC CONFERENCE ON CIRCUITS AND SYSTEMS (APCCAS 2008), VOLS 1-4 | 2008年
关键词：
D O I：
10.1109/APCCAS.2008.4746090
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we investigate the problem of carrier frequency offset (CFO) estimation for Orthogonal frequency division multiplexing (OFDM) system over doubly-selective channels. Representing the doubly-selective channels with basis expansion, the signal model is reformulated and one CFO estimator is derived. Furthermore, the Cramer-Rao bound (CRB) for the estimation problem is derived in closed form. The effectiveness of the proposed scheme is verified by simulations.
引用
收藏
页码：582 / 585
页数：4
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