Nondata-aided Timing Recovery for Partial Response CPM

被引:0
|
作者
Wang, Yang [1 ]
Guo, Xiaobo [1 ]
Zhou, Shilei [2 ]
机构
[1] CETC, Res Inst 54, Sci & Technol Informat Transmiss & Disseminat Com, Shijiazhuang, Peoples R China
[2] CETC, Res Inst 54, Shijiazhuang, Peoples R China
来源
PROCEEDINGS OF THE 2016 11TH INTERNATIONAL SYMPOSIUM ON ANTENNAS, PROPAGATION AND EM THEORY (ISAPE) | 2016年
关键词
continuous phase modulation; timing recovery; feedforward structure; SYMBOL; SYNCHRONIZATION;
D O I
暂无
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
Timing recovery for the binary partial response continuous phase modulation (CPM) is investigated in this paper and a feedforward nondata-aided (NDA) timing algorithm suitable for CPM signals with different modulation indices is proposed. In the algorithm several autocorrelation functions are computed based on the sampled received signal and the lag in the autocorrelation functions is carefully selected depending on the modulation index. And then the timing offset is estimated based on the autocorrelations. Simulation results show that the proposed algorithm works well when the modulation index is at a range of 1/3 to 2/3 and has better performance at higher modulation indices. Additionally, the mean square error of the proposed algorithm can be decreased considerably compared with the existing feedforward NDA timing algorithm.
引用
收藏
页码:660 / 663
页数:4
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