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Performance Analysis of Secrecy Outage Probability for AF-Based Partial Relay Selection with Outdated Channel Estimates
2017
Mobile Information Systems
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In this system, the aim is to transmit the confidential messages from a source to a destination via the selected relay in presence of eavesdroppers. ...
Moreover, partial relay selection scheme is utilized for relay selection based on outdated channel state information where only neighboring channel information (source-relays) is available and passive ...
Section 3 investigates a physical layer security in terms of the secrecy capacity for partial relay selection with outdated CSI. ...
doi:10.1155/2017/7461803
fatcat:5c5gfydvtbgfnnhktzvep7pyja
Secure Transmission in Cognitive MIMO Relaying Networks With Outdated Channel State Information
2016
IEEE Access
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In [11] , a new relay selection scheme was proposed to enhance the security of cognitive radio networks, where the first relay was selected to transmit the confidential information and the second relay ...
For case 1, to demonstrate the advantage of TAS/MRC scheme with outdated CSI, the analysis for RAS/MRC scheme is also given.
A. ...
doi:10.1109/access.2016.2608966
fatcat:kpam5c2subf3rf2y7uvvnr7lzq
Secure Communication in Two-Way Relay Networks with Channel Estimation Errors
2016
International Journal of Security and Its Applications
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The performance of the proposed system is quantified by deriving the upper bound of the overall outage probability. Impact of CEs on the system is illustrated by simulations. ...
In the proposed system, two sources simultaneously broadcast their respective information to all the relays firstly. ...
relay selection (ORS) scheme under Rayleigh fading. ...
doi:10.14257/ijsia.2016.10.8.36
fatcat:5ngtzc55nzfyvn3ntur7mdn34i
Hybrid Rayleigh and Double-Weibull over Impaired RF/FSO System with Outdated CSI
[article]
2019
arXiv
pre-print
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Partial relay selection (PRS) protocol with outdated channel state information (CSI) is assumed since the channels of the first hop are time-varying. ...
In this work, we present a global framework of a dual-hop RF/FSO system with multiple relays operating at the mode of amplify-and-forward (AF) with fixed gain. ...
In addition, we assume partial relay selection with outdated CSI [18] [4] , [19] to select one relay among the sets. ...
arXiv:1902.03173v1
fatcat:r5uujk6pwrewpgzzqwbscqxngm
Physical Layer Security in Relay Networks with Outdated Relay Selection
[article]
2021
arXiv
pre-print
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In this paper, the secrecy performance of a cooperative relay network with outdated relay selection is investigated where an eavesdropper intercepts the channels between the source and the destination. ...
The best relay is chosen among N relays based on the opportunistic relay selection algorithm, which may not be the best relay at the time of transmission because of the outdated channel state information ...
In [9] secrecy performance of a cooperative network under the constraint of having outdated CSI is studied. ...
arXiv:2110.11102v1
fatcat:5ydjggs4lncv7ntsay3oxsulsi
Joint Relay and Jammer Selection Improves the Physical Layer Security in the Face of CSI Feedback Delays
2016
IEEE Transactions on Vehicular Technology
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We enhance the physical-layer security (PLS) of amplify-and-forward relaying networks with the aid of joint relay and jammer selection (JRJS), despite the deliterious effect of channel state information ...
Furthermore, we conceive a new outage-based characterization approach for the JRJS scheme. The traditional best relay selection (TBRS) is also considered as a benchmark. ...
In our previous study [25] , we considered the 153 secure transmission design and the secrecy performance of an 154 opportunistic DF system relying on outdated CSI, where only a 155 single relay is invoked ...
doi:10.1109/tvt.2015.2478029
fatcat:nya5ilc5sfhtzninffwzir6jou
Impact of Outdated CSI on the Secure Communication in Untrusted In-Band Full-Duplex Relay Networks
2022
IEEE Access
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., relay and destination), and outdated channel state information (CSI) at the destination. ...
INDEX TERMS Physical-layer security, untrusted relay, full-duplex, outdated channel state information, artificial noise. ...
SYSTEM MODEL Fig. 1 shows the system model of a secure FD relaying network consisting of a source, an untrusted relay, and a destination. ...
doi:10.1109/access.2022.3151792
fatcat:vly6ahylejdrzb3sfedy5wgkfa
Exploiting hybrid time switching-based and power splitting-based relaying protocol in wireless powered communication networks with outdated channel state information
2017
Automatika
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Unlike most previous works, we further focus on the impact of outdated channel state information (CSI) in WPCN. ...
Thanks to Monte Carlo simulations, it is confirmed that the system performance is more sensitive to CSI estimation error, noise variance and signal-to-noise ratio which enable us in reasonable computations ...
The research received a financial support from the SGS, VSB-Technical University of Ostrava, Czech Republic [grant number SP2017/174]. ...
doi:10.1080/00051144.2017.1372124
fatcat:vgd7onihqzdkbmt3ludrgl7zwy
Exact and Asymptotic Analysis of Partial Relay Selection for Cognitive RF-FSO Systems with Non-zero Boresight Pointing Errors
2019
IEEE Access
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Furthermore, both relay selection and underlay power restriction are governed with the outdated channel state information (CSI). ...
The asymptotic expressions of OP and diversity order of this network are derived for both perfect CSI and outdated CSI cases. ...
The idea of the PRS in a dual-hop RF-FSO relay system with outdated CSI was proposed in [28] . ...
doi:10.1109/access.2019.2914480
fatcat:hcksew5v7rbnrkegldemem7t5u
Performance Analysis of Mixed RF/FSO Relaying under HPA Nonlinearity and IQ Imbalance
[article]
2021
arXiv
pre-print
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To select the candidate relay to forward the communication, we assume Partial Relay Selection (PRS) with outdated Channel State Information (CSI). ...
In this paper, we present the performance analysis of asymmetric dual-hop RF/FSO system with multiple relays. ...
CONCLUSION In this work, we provided the analysis of various models of impairments and their effects on the system performance. ...
arXiv:2108.10119v2
fatcat:74y7r43cmzbcbemn3uegdj3x64
Hybrid Satellite–Terrestrial Networks toward 6G: Key Technologies and Open Issues
2022
Sensors
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In this work, we provide a comprehensive survey of the most recent work on hybrid satellite–terrestrial networks (HSTNs), focusing on system architecture, performance analysis, design optimization, and ...
secure communication schemes for different cooperative and cognitive HSTN network architectures. ...
A similar outage analysis and optimization of a NOMA-based HSTN with an AF relay under imperfect CSI was also studied in [156] . ...
doi:10.3390/s22218544
pmid:36366243
pmcid:PMC9658377
fatcat:bhohmxypqrb33pzz2s7or2jgbu
On Secure Mixed RF-FSO Systems With TAS and Imperfect CSI
[article]
2020
arXiv
pre-print
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In this work, we analyze the secrecy outage performance of a dual-hop relay system composed of multiple-input-multiple-output radio-frequency (RF) links and a free-space optical (FSO) link while a multiple-antenna ...
The results illustrate that the outdated CSI shows a strong effect on the secrecy outage performance. ...
the quality of the paper. ...
arXiv:1809.01503v3
fatcat:iqzmbx5rong6jbvfi3e7wqfyy4
Secrecy Outage Probability Analysis for Full-Duplex Relaying Networks Based on Relay Selection Schemes
2019
IEEE Access
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Moreover, based on these approximated results, the effects of some system parameters are analyzed for the SOP of the relay system, including the CSI error, the number of relays, the signal-to-noise ratio ...
To enhance the physical-layer security, two relay selection schemes are proposed. The first scheme uses the maximum-minimum principle to select the optimal relay. ...
As the SNR of link between the users and relays increases, the SOPs of FD system decrease. Under the same conditions, the SOP of the perfect CSI is smaller than that of the imperfect CSI. ...
doi:10.1109/access.2019.2932135
fatcat:i74qiw7qefgvnds7j4uxvclmuq
Asymmetric RF/FSO Relaying with HPA non-Linearities and Feedback Delay Constraints
[article]
2019
arXiv
pre-print
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Partial Relay Selection with outdated Channel State Information is assumed based on the RF channels to select a relay and we also consider fixed and variable Amplify-and-Forward relaying schemes. ...
In this work, we investigate the performance of a dual-hop multiple relays system consisting of mixed Radio-Frequency (RF)/Free Space Optical (FSO) channels. ...
However, for a completely outdated CSI (ρ = 0) the two CSIs are completely uncorrelated and hence the selection of the best relay is uncertain since the selection is based on a completely outdated CSI. ...
arXiv:1901.04249v2
fatcat:nq5badp74nazpnjqhcj6pp4u7i
Incremental relay selection with reduced power consumption and jamming for secure cooperative networks
2017
Revista Técnica de la Facultad de Ingeniería Universidad del Zulia
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Under the more practical assumption that only the channel distribution information (CDI) of the eavesdropper is known, this paper proposes an incremental relaying with artificial jamming and beam forming ...
This paper shows the cooperative transmission for securing a decode-and-forward (DF) two-hop network where multiple cooperative nodes coexist with a potential eavesdropper. ...
Impact of the Outdated CSI to the ESR In a practical wireless system, due tothe time-variations of the channels and the feedback delay, the CSIs based on which optimal relay selection and cooperative jamming ...
doi:10.21311/001.39.10.02
fatcat:5baqwmovm5hctexhz5wkzqpon4
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