5G系统中基于三阶相关的同步算法及FPGA实现
5G物理层以帧为单位进行信息传递,帧同步点的准确与否将极大程度地影响后续信道的性能。针对现行同步算法检测同步点不准确的问题,文章分析了主同步信号(PSS)序列的三阶相关特性,根据此特性提出并实现了一种新型定时同步算法。仿真结果表明,当信噪比下降至-7 dB时,新算法检测同步点的准确率比传统算法提高了20%。新算法的空间复杂度与传统算法一致,时间复杂度的增加也在5G同步过程的允许范围之内。...
Main Authors: | 李贵勇, 张翰卿, 王永航 |
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Format: | Article |
Language: | zho |
Published: |
《光通信研究》编辑部
2020-01-01
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Series: | Guangtongxin yanjiu |
Subjects: | |
Online Access: | http://www.gtxyj.com.cn/thesisDetails#10.13756/j.gtxyj.2020.05.014 |
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