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
doaj +2 more sources
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
doaj +2 more sources
High-Reliability Underwater Acoustic Communication Using an M-ary Cyclic Spread Spectrum
Electronics, 2022 Multipath propagation, frequency selective fading, low-propagation velocity, and narrow bandwidth are all characteristics of underwater acoustic channels.
Hyungin Ra, Changhyun Youn, Kiman Kim
exaly +2 more sources
Deep Learning-Based Cyclic Shift Keying Spread Spectrum Underwater Acoustic Communication
Journal of Marine Science and Engineering, 2021 A deep learning-based cyclic shift keying spread spectrum (CSK-SS) underwater acoustic (UWA) communication system is proposed for improving the performance of the conventional system in low signal-to-noise ratio and multipath effects.
Yufei Liu +6 more
doaj +2 more sources
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.
R Pickholtz, L Milstein, D Schilling
exaly +3 more sources
Interference of Spread-Spectrum Modulated Disturbances on Digital Communication Channels
IEEE Access, 2019 In this paper, the effects of random spread spectrum (SS) electromagnetic interference (EMI) on digital communications are addressed. For this purpose, the influence of EMI on a communication channel is described in the framework of information theory in
Francesco Musolino, Paolo S. Crovetti
doaj +2 more sources
Spread Spectrum Based Energy Efficient Collaborative Communication in Wireless Sensor Networks. [PDF]
PLoS ONE, 2016 Wireless sensor networks consist of resource limited devices. Most crucial of these resources is battery life, as in most applications like battle field or volcanic area monitoring, it is often impossible to replace or recharge the power source.
Anwar Ghani +5 more
doaj +2 more sources
A Chirp Spread Spectrum Modulation Scheme for Robust Power Line Communication [PDF]
IEEE Transactions on Power Delivery, 2021 This paper proposes the use of a LoRa like chirp spread spectrum physical layer as the basis for a new Power Line Communication modulation scheme suited for low-bandwidth communication.
S. Robson, Manu A. Haddad
semanticscholar +1 more source
Enhancing the Security of Chaotic Direct Sequence Spread Spectrum Communication Through WFRFT
IEEE Communications Letters, 2021 In this letter, the weighted fractional Fourier transform (WFRFT) is performed on the chaotic sequence to enhance the security of the chaotic direct sequence spread spectrum (CD3S) communication, and a WFRFT-CD3S system that spreads the information bits ...
Guogang Yuan +3 more
semanticscholar +1 more source
Optics Express, 2021 We present a time-coding reconfigurable intelligent surface (RIS) enabled spread-spectrum secure wireless communication system. The time-coding spread-spectrum RIS is realized by altering the RIS between the two states of a perfect electrical conductor ...
Xiaoyi Wang, Guo-Min Yang
semanticscholar +1 more source