PILOT DESIGN OF DATA-AIDED CARRIER SYNCHRONIZATION FOR SHORT BURST TRANSMISSION

被引：0
作者：
Sun, Jinhua [1 ]
Ding, Yujie [1 ]
Wang, Xuemei [1 ]
Wu, Xiaojun [2 ]
机构：
[1] Xidian Univ, State Key Lab Integrated Serv Networks, Xian, Peoples R China
[2] Changan Univ, Sch Informat Engn, Xian, Peoples R China
来源：
2014 IEEE CHINA SUMMIT & INTERNATIONAL CONFERENCE ON SIGNAL AND INFORMATION PROCESSING (CHINASIP) | 2014年
关键词：
short burst communication; pilot symbol; carrier synchronization; frame structure; FREQUENCY OFFSET; PLACEMENT; SYMBOL;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In short burst communication system, the position and the number of pilot symbols have a great effect on frequency estimation accuracy and estimation range based on time-domain correlation frequency estimation algorithm. So a frequency estimation algorithm having a higher frequency estimation accuracy based on the summation of the entire cross correlation is given, and its estimation variance is derived. By analyzing the effect of pilot position in a burst on estimation accuracy and estimation range, a scheme of variable D. spaced preamble middle(VDPM) frame structure is proposed which can choose the distance between pilot blocks according to system's requirements for estimation accuracy and estimation range. Simulation results show that the frame structure can satisfy the requirements for frequency estimation range and estimation accuracy, and the estimation algorithm can achieve a higher estimation accuracy with only a few pilot symbols which is suitable for short burst communication system.
引用
收藏
页码：641 / 645
页数：5
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