Results 11 to 20 of about 5,210,021 (184)
Ergodic Secrecy Rate Analysis for LEO Satellite Downlink Networks [PDF]
, 2023 Satellite networks are recognized as an effective solution to ensure seamless connectivity worldwide, catering to a diverse range of applications. However, the broad coverage and broadcasting nature of satellite networks also expose them to security challenges. Despite these challenges, there is a lack of analytical understanding addressing the secrecy
Kim, Daeun, Lee, Namyoon
core +4 more sources
Secrecy Rate Region Enhancement in Multiple Access Wiretap Channel [PDF]
Journal of Telecommunications and Information Technology, 2022 It is commonly known that physical layer security is achieved with a trade-off in terms of the achievable rate. Hence, security constraints generate rate losses in wiretap channels.
Shahid Mehraj Shah
doaj +2 more sources
Physical Layer Security Enhancement via IRS Based on PD-NOMA and Cooperative Jamming
IEEE Access, 2023 Intelligence reconfigurable surfaces (IRS) have attracted attention due to their ability to create an intelligent and controllable wireless propagation environment for supporting an efficient, and secure design.
Afshin Souzani +3 more
doaj +1 more source
Interference Exploitation for Secure Communications: Error Rate and Secrecy Analysis [PDF]
, 2020 Interference exploitation has recently been shown to provide significant security benefits in multiuser communication systems. In this technique, the known interference is designed to be constructive to the legitimate users and disruptive to the ...
Salem, A, Masouros, C
core +2 more sources
RIS-Aided Physical Layer Security With Full-Duplex Jamming in Underlay D2D Networks
IEEE Access, 2021 This paper investigates the physical layer security and data transmission for the underlay device-to-device (D2D) networks, and considers a combination of the reconfigurable intelligent surface (RIS) and full-duplex (FD) jamming receiver for the ...
Waqas Khalid +4 more
doaj +1 more source
Secure Transmission With Aid of a Helper for MIMOME Network Having Finite Alphabet Inputs
IEEE Access, 2017 This paper considers secure transmission with the aid of a helper for finite alphabet signals in multiple-input-multiple-output multiple antenna eavesdropper networks, where the helper transmits a jamming signal along with the confidential message sent ...
Kuo Cao +3 more
doaj +1 more source
Performance analysis of physical layer security based on channel correlation
Tongxin xuebao, 2021 In view of the correlation of the main and eavesdropper’s channels in physical layer security, the impact of channel correlation on the secrecy performance was studied, the exact form ulations of ergodic secrecy capacity and secrecy outage probability ...
Xuanli WU +3 more
doaj +2 more sources
A pointwise ergodic theorem for Fuchsian groups [PDF]
, 2010 We use Series' Markovian coding for words in Fuchsian groups and the Bowen-Series coding of limit sets to prove an ergodic theorem for Cesaro averages of spherical averages in a Fuchsian ...
Bufetov, Alexander I. +3 more
core +1 more source
IEEE Access, 2018 The security of information over wireless channels has always been an important aspect of wireless communication research. In this paper, the secrecy performance of a spatial modulated system with an artificial noise is investigated over the Rayleigh ...
Xiangbin Yu +5 more
doaj +1 more source
Enhancing secrecy rates in a wiretap channel
Digital Communications and Networks, 2020 Reliable communication imposes an upper limit on the achievable rate, namely the Shannon capacity. Wyner's wiretap coding ensures a security constraint and reliability, but results in a decrease of achievable rate.
Shahid M. Shah, Vinod Sharma
doaj +1 more source