Results 1 to 10 of about 51,657 (260)
Long-Range Acoustic Communication Using Differential Chirp Spread Spectrum
Applied Sciences, 2020 Here, we propose a new modulation method using chirp spread spectrum (CSS) modulation to indicate the result of long-range acoustic communication (LRAC).
Joohyoung Lee +3 more
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Novel direct sequence spread spectrum communication method
Tongxin xuebao, 2023 In response to the problem of limited performance and low spectral efficiency in complex multipath environments of traditional direct sequence spread spectrum communication, a cyclic prefix (CP) block transmission structure spread spectrum system with a ...
Fanglin GU +5 more
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Secure Spread Spectrum Communication Using Super-Orthogonal Optical Chaos Signals
IEEE Photonics Journal, 2022 This paper proposes an analog spread spectrum secure communication system by designing a super-orthogonal two-dimensional electro-optic time delayed chaotic system.
Qing Chen +3 more
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Theory of Spread-Spectrum Communications - A Tutorial [PDF]
IEEE Transactions on Communications, 1982 Spread-spectrum communications, with its inherent interference attenuation capability, has over the years become an increasingly popular technique for use in many different systems. Applications range from antijam systems, to code division multiple access systems, to systems designed to combat multipath.
Raymond L. Pickholtz +2 more
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Analysis and comparison of code index modulation and multi-ary spread spectrum
Dianzi Jishu Yingyong, 2018 In the current anti-jamming communication, the spread spectrum communication has been studied deeply with the advantages of strong anti-jamming ability and good security performance.
Feng Sheng +4 more
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Multilevel cyclic shift index differential chaos shift keying system for high data rate transmission
IET Communications, 2023 This paper proposes a multilevel cyclic shift index modulation aided differential chaotic shift keying (MCSI‐DCSK) system to improve data rate and energy efficiency.
Zixian Lin, Weikai Xu, Lin Wang
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International Journal of Distributed Sensor Networks, 2018 Rapid growth of machine-type communications devices challenges the future network with a significant aggregated data traffic. Distributed source coding is a promising technique that compresses data sources and decreases required aggregated data ...
Wen Wang +3 more
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A class of fractional-order hyperchaotic system and its application in spread spectrum communication
工程科学学报, 2015 A class of fractional-order hyperchaotic system is introduced and its basic dynamical properties are investigated by means of theoretical analysis and numerical simulation.
ZHANG Xiao-dan, WANG Qi-li
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Optimum Combining for Coherent FFH/DS Spread Spectrum Receivers in the Presence of Multi-Tone Jammer
IEEE Access, 2020 Fast Frequency Hopping/Direct Sequence (FFH/DS) hybrid spread spectrum is an effective technique of the communication network for the robot swarms operating in complex electromagnetic environment.
Shixun Luo +5 more
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Integrated Waveform Design Based on UAV MIMO Joint Radar Communication
Information, 2023 The problem of orthogonal waveform construction in multiple input/multiple output (MIMO) radar communication integration greatly limits the realization of integration technology.
Hao Ma, Jun Wang, Xin Sun, Wenxin Jin
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