Results 101 to 110 of about 1,051 (211)

A Secure Satellite Transmission Technique via Directional Variable Polarization Modulation with MP-WFRFT

Aerospace
Satellite communications are pivotal to global Internet access, connectivity, and the advancement of information warfare. Despite these importance, the open nature of satellite channels makes them vulnerable to eavesdropping, making the enhancement of ...
Zhiyu Hao, Zukun Lu, Xiangjun Li, Xiaoyu Zhao, Zongnan Li, Xiaohui Liu   +5 more
doaj   +1 more source

Enhancing Communication Resilience through Fluid Antenna Index Modulation [PDF]

Advanced anti-eavesdropping techniques play a crucial role in ensuring the security and reliability of 6 G communication systems. Index modulation (IM) has attracted attention due to its enhanced power efficiency achieved by the implicit index domain ...
Chen, Y, Xu, H, Xu, T
core  

Intelligent OFDM telecommunication system. Part 1. Model of system [PDF]

, 2019
In this paper, we aim to investigate the superiority and practicability of many- parameter transforms (MPTs) from the physical layer security (PHY-LS) perspective. We propose novel Intelligent OFDM-telecommunication systems based on MPT.
Labunets, V.G., Ostheimer, E.V.
core  

Research on the Time Delay Signature Concealment of Electro-Optic Feedback Chaotic Communication System

Guangtongxin yanjiu
【Objective】Chaotic laser secure communication exhibits the advantages of high speed, long distance, and compatibility with classical optical fiber channels due to hardware encryption, which can provide physical layer security for high-speed optical fiber
AN Yuehua, TANG Bin, LIU Jiangwei, GAO Zhensen   +3 more
doaj  

Dynamic Ultrasonic Jamming via Time–Frequency Mosaic for Anti-Eavesdropping Systems

Electronics
To combat microphone eavesdropping on devices like smartphones, ultrasonic-based methods offer promise due to human inaudibility and microphone nonlinearity. However, existing systems suffer from low jamming efficiency, poor energy utilization, and weak robustness.
Zichuan Yu, Lu Tang, Kai Wang, Xusheng Tang, Hongyu Ge   +4 more
openaire   +1 more source

ANTI EAVESDROPPING CODE SYSTEM BASED ON FOUNTAIN CODES

International Journal of Engineering Applied Sciences and Technology, 2019
Safiyo.M Ahmed, NIU Fang-lin, H.Hasnain Imtiaz, Asim Zaman   +3 more
openaire   +1 more source

Ripple effects in a communication network: anti-eavesdropper defence elicits elaborated sexual signals in rival males. [PDF]

Proc Biol Sci, 2023
Leavell BC, Pantoja-Sánchez H, Vélez V, Hemingway CT, Wilhite K, Halfwerk W, Bernal XE.   +6 more
europepmc   +1 more source

Optimization Method for Secrecy Capacity of UAV Relaying Based on Dynamic Adjustment of Power Allocation Factor. [PDF]

Sensors (Basel)
Hao Y, Xiang Y, Du Q, Li X, Ding C, Hou D, Tian J.   +6 more
europepmc   +1 more source

Quantum-enhanced reconfigurable in-memory stochastic computing. [PDF]

Light Sci Appl
Yang HZ, Dou JP, Lu F, Shang XW, Zhang CN, Zhou H, Tang H, Jin XM.   +7 more
europepmc   +1 more source

On the Security of Cell-Free Massive MIMO Networks. [PDF]

Sensors (Basel)
Mohammed H, Abdelfatah RI, Alshaer N, Nasr ME, Saafan AM.   +4 more
europepmc   +1 more source