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http://dx.doi.org/10.9766/KIMST.2018.21.1.115

On the Performance of Time-Hopping Systems under Hostile Jamming Environments  

Jung, Hyoyoung (School of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology)
Lee, Jong-Hwan (The 2nd Research and Development Institute, Agency for Defense Development)
Kim, Kiseon (School of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology)
Publication Information
Journal of the Korea Institute of Military Science and Technology / v.21, no.1, 2018 , pp. 115-123 More about this Journal
Abstract
In this paper, we consider the applicability of time-hopping(TH) systems for anti-jamming(AJ) communication. We first briefly summarize fundamentals of TH systems and several common jamming scenarios that have been considered in the literature. We then analyze the AJ performance of TH systems under those common jamming environments. From our simulation results, we reveal that among narrow band, partial band, broadband, and sweep jamming, partial band and sweep jamming are the best ones from jammer perspective. For the partial band jamming case, we show that the most effective bandwidth ratio and location are 50 % and 2.5-3.5 Ghz, respectively. For the sweep jamming case, we illustrate that the AJ performance of the TH system is enhanced when the sweep duration approaches to the bit duration. In addition, we pointed out that the most efficient jamming bandwidth ratio is 1/2. Finally, our results show that the TH-BPSK system greatly outperforms the TH-PPM counterpart.
Keywords
Time-Hooping; Spread Spectrum; Anti-Jamming; Partial Band Noise Jamming; Sweep Jamming;
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