Results 21 to 30 of about 6,742,680 (324)
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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Deep Learning-Based Spread-Spectrum FGSM for Underwater Communication
Sensors, 2020 The limitation of the available channel bandwidth and availability of a sustainable energy source for battery feed sensor nodes are the main challenges in the underwater acoustic communication.
Zeyad A. H. Qasem +4 more
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Optics Express, 2020 For some industrial underwater wireless optical communication (UWOC) applications, the transmission distance matters more than the communication rate. Attenuation length (AL) is an important distance indicator of UWOC system.
Weichao Lyu +6 more
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Understanding Long Range-Frequency Hopping Spread Spectrum (LR-FHSS) with Real-World Packet Traces [PDF]
ACM Trans. Sens. Networks, 2023 Long Range-Frequency Hopping Spread Spectrum (LR-FHSS) is a new physical layer option that has been recently added to the LoRa family with the promise of achieving much higher network capacity than the previous versions of LoRa.
Jumana Bukhari, Zhenghao Zhang
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Orthogonal re-spread for uplink WCDMA beamforming [PDF]
, 2000 This paper presents a new extraction method for the spatial correlation matrix of interference and noise only based on orthogonal re-spreading. The method uses one of the remaining orthogonal variable spreading factor (OVSF) code that is orthogonal to ...
Piechocki, RJ +3 more
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ANALYSIS OF CORRELATION AND SPECTRAL CHARACTERISTICS OF FRACTAL COMB-STRUCTURED SIGNALS
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2016 The paper presents theoretical and experimental investigations of the spectra of fractal comb-structured signals for different values of their coefficient of generation, as well as analyzes autocorrelation characteristics and phase portraits depending on
Ruslan Politanskyi, Andrij Veryga
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