Generalized methods to construct low-hit-zone frequency-hopping sequence sets and optimal constructions

被引：0
作者：
Limengnan Zhou
Daiyuan Peng
Hongbin Liang
Changyuan Wang
Hongyu Han
机构：
[1] Southwest Jiaotong University,Provincial Key Lab of Information Coding and Transmission, Institute of Mobile Communications
[2] Southwest Jiaotong University,School of Transportation and Logistics, Provincial Key Lab of Information Coding and Transmission, Institute of Mobile Communications
来源：
Cryptography and Communications | 2017年 / 9卷
关键词：
Frequency-hopping sequence set; Low-hit-zone; Hamming correlation; Cartesian product; Quasi-synchronous frequency-hopping multiple-access system; 94A55; 94B05;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In a quasi-synchronous frequency-hopping multiple-access system, relative time delay between different users within a zone around the origin can be allowed. Therefore, frequency-hopping sequence (FHS) sets with low-hit-zone (LHZ) have attracted great interest of many related scholars. Moreover, on account of the limited synchronous time or hardware complexity, the periodic partial Hamming correlation (PPHC) plays a major role in determining the synchronization performance. In this paper, we first present three new generalized methods to construct LHZ-FHS sets via Cartesian product. Meanwhile, we pay our attention to the maximum periodic Hamming correlation (PHC) of the constructed LHZ-FHS sets in the first generalized method, and to the maximum PPHC of the constructed LHZ-FHS sets in the rest generalized methods. In addition, we also introduce five new classes of optimal LHZ-FHS sets based on these three generalized methods.
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页码：707 / 728
页数：21
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