New Families of Frequency-Hopping Sequence Sets with a Low-Hit-Zone.

IF 2.1 3区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Entropy Pub Date : 2024-11-05 DOI:10.3390/e26110948
Limengnan Zhou, Hanzhou Wu
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Abstract

As a means of spread spectrum communication, frequency-hopping technology has good performance in anti-jamming, multiple-access, security, covert communications, and so on. In order to meet the needs of different frequency-hopping multiple-access (FHMA) communication scenarios, the research on frequency-hopping sequence (FHS) sets with a low-hit-zone (LHZ) is now becoming more and more crucial. In this paper, a general construction to obtain new families of LHZ-FHS sets is achieved via interleaving technique. Subsequently, based on two different shift sequences, two classes of LHZ-FHS sets with new flexible parameters not covered in the related literature are presented. The requirements for our new LHZ-FHS sets to obtain optimality or near-optimality with respect to the Peng-Fan-Lee bound are also introduced. Furthermore, as long as the base FHS set is fixed, the performances of new LHZ-FHS sets can be analyzed, such that the parameters of all appropriate shift sequences to obtain desired LHZ-FHS sets are also fixed.

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具有低命中区的跳频序列组新族。
作为一种扩频通信手段,跳频技术在抗干扰、多址、安全、隐蔽通信等方面具有良好的性能。为了满足不同跳频多址(FHMA)通信场景的需求,具有低命中区(LHZ)的跳频序列(FHS)集的研究正变得越来越重要。本文通过交织技术实现了新的 LHZ-FHS 集族的一般构造。随后,基于两种不同的移位序列,提出了两类具有新的灵活参数的 LHZ-FHS 集,这些参数在相关文献中没有涉及。此外,还介绍了我们的新 LHZ-FHS 集获得彭-范-李约束最优或接近最优的要求。此外,只要基础 FHS 集是固定的,就可以分析新 LHZ-FHS 集的性能,这样就可以固定所有适当移位序列的参数,以获得所需的 LHZ-FHS 集。
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来源期刊
Entropy
Entropy PHYSICS, MULTIDISCIPLINARY-
CiteScore
4.90
自引率
11.10%
发文量
1580
审稿时长
21.05 days
期刊介绍: Entropy (ISSN 1099-4300), an international and interdisciplinary journal of entropy and information studies, publishes reviews, regular research papers and short notes. Our aim is to encourage scientists to publish as much as possible their theoretical and experimental details. There is no restriction on the length of the papers. If there are computation and the experiment, the details must be provided so that the results can be reproduced.
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