OFDM Signal Synchronization Algorithm in the Multipath Hydroacoustic Channel

被引：3
|
作者：
Shakhtarin, B. I. [1 ]
Balakhonov, K. A. [1 ]
Kalashnikov, K. S. [2 ]
机构：
[1] Bauman Moscow State Tech Univ, Moscow 105005, Russia
[2] Voronezh State Univ, Voronezh 394006, Russia
来源：
JOURNAL OF COMMUNICATIONS TECHNOLOGY AND ELECTRONICS | 2018年 / 63卷 / 04期
基金：
俄罗斯科学基金会;
关键词：
FREQUENCY OFFSET; TIME;
D O I：
10.1134/S1064226918040113
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：
The modified autocorrelation algorithm for synchronizing orthogonal frequency-division multiplexing signals propagating over acoustic underwater communications systems is examined, and analytical estimates of its accuracy are presented. It is demonstrated that the algorithm optimization under multipath channel conditions leads to modified window functions used to calculate likelihood functions. The suboptimal efficient variant of the algorithm based on rectangular windows is proposed.
引用
收藏
页码：354 / 360
页数：7
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