New frequency synchronization estimator for OFDM by using PN sequences and cyclic prefix

被引：0
|
作者：
Yan, CL [1 ]
Fang, JY [1 ]
Tang, YX [1 ]
Li, SQ [1 ]
机构：
[1] Univ Elect Sci & Technol China, Natl Key Lab Commun, Chengdu, Peoples R China
来源：
APOC 2003: ASIA-PACIFIC OPTICAL AND WIRELESS COMMUNICATIONS; WIRELESS COMMUNICATIONS AND NETWORKS | 2003年 / 5284卷
关键词：
OFDM; frequency synchronization; PN sequences; cyclic prefix;
D O I：
10.1117/12.520527
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A new frequency synchronization method is proposed in this paper. It uses PN (pseudo-noise) sequences and cyclic prefix for synchronization in OFDM (orthogonal frequency division multiplexing) system. Several subcarriers estimation range can be reached using the new method. When cyclic prefix is used in fine frequency synchronization, the MSE (mean square error) of the proposed method is less than the method only used PN sequences for the span of the correlated data is large. This has been verified by simulations in AWGN channel and Rayleigh channel.
引用
收藏
页码：5 / 9
页数：5
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