Relay Selection in Dual-Hop Vehicular Networks

Seyfi, Mehdi; Muhaidat, Sami; Liang, Jie; Uysal, Murat

doi:10.1109/lsp.2010.2102017

Cited by 71 publications

(39 citation statements)

References 12 publications

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“…With g X being double Rayleigh distributed, the probability density function (PDF) f |g X | 2 (x) and cumulative distribution function (CDF) F |g X | 2 (x) of the random variable (RV) |g X | 2 are given by [15] …”

Section: Secrecy Capacity Performance Analysis a Distributions mentioning

confidence: 99%

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On Physical Layer Security of Double Rayleigh Fading Channels for Vehicular Communications

Cheffena

Mathur

et al. 2018

IEEE Wireless Commun. Lett.

105

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Abstract-In this letter, we study the physical layer secrecy performance of the classic Wyner's wiretap model over double Rayleigh fading channels for vehicular communications links. We derive novel and closed-form expressions for the average secrecy capacity (ASC) taking into account the effects of fading, path loss and eavesdropper location uncertainty. The asymptotic analysis for ASC is also conducted. The derived expressions can be used for secrecy capacity analysis of a number of scenarios including vehicular-to-vehicular (V2V) communications. The obtained results reveal the importance of taking the eavesdropper location uncertainty into consideration while designing V2V communication systems.Index Terms-Physical layer security, average secrecy capacity, double Rayleigh fading, vehicle-to-vehicle (V2V) communication.

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Section: Secrecy Capacity Performance Analysis a Distributions mentioning

confidence: 99%

“…Since the distance d D is a constant known to node S, the CDF F γ D (γ) of the instantaneous SNR γ D can be readily derived by applying the change of RVs and written as [15] …”

Section: Secrecy Capacity Performance Analysis a Distributions mentioning

confidence: 99%

On Physical Layer Security of Double Rayleigh Fading Channels for Vehicular Communications

Cheffena

Mathur

et al. 2018

IEEE Wireless Commun. Lett.

105

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“…Taking advantage of cooperative diversity systems across generalized fading channels, there have been some recent studies that have investigated dual hop IVC systems with relay selection strategy, e.g., [10,11]. However, all results have been reported over doubleRayleigh/Nakagami fading channels.…”

Section: Introductionmentioning

confidence: 99%

On the Performance of Multihop-Intervehicular Communications Systems Over <italic>n</italic>*Rayleigh Fading Channels

Alghorani

Kaddoum

Muhaidat

et al. 2016

IEEE Wireless Commun. Lett.

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Abstract-We investigate the performance of multihop-intervehicular communication systems with regenerative and nonregenerative relaying. We consider the so-called "n*Rayleigh distribution" as an adequate multipath fading channel model for vehicle-to-vehicle communication scenarios. We derive a novel approximation for the outage probability of maximum ratio combining (MRC) diversity reception. In addition, we analyze the amount of fading and optimize the power allocation for the investigated scenario. Numerical results show that regenerative systems are more efficient than nonregenerative systems when the cascading order ( ) is small; however, for large , our results demonstrate that the performance of both relaying techniques is rather similar.

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“…Therefore, the application of cooperative relaying in vehicular communications is a natural choice. In [19], a dual-hop inter-vehicular transmission with relay selection was considered, and the outage performance as well as the achievable diversity order was analyzed. By incorporating a highway mobility model, the authors in [20] proposed a scheme for locating and selecting the optimal relay station for multi-hop vehicular networks.…”

mentioning

confidence: 99%

“…By incorporating a highway mobility model, the authors in [20] proposed a scheme for locating and selecting the optimal relay station for multi-hop vehicular networks. While [19] and [20] mainly focused on the PHY-layer issues, [5] dealt with the relay-aided MAC protocol design for vehicular communications. Specifically, by adaptively choosing the relay node and the cooperative mode, the proposed protocol can optimize the system throughput and extend the service range.…”

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confidence: 99%

Distributed source-relay selection scheme for vehicular relaying networks under eavesdropping attacks

Ren

2014

J Wireless Com Network

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The recent development of vehicular networking technologies brings the promise of improved driving safety and traffic efficiency. Cooperative communication is recognized as a low-complexity solution for enhancing both the reliability and the throughput of vehicular networks. However, due to the openness of wireless medium, the vehicular wireless communications (VWC) is also vulnerable to potential eavesdropping attacks. To tackle with this issue, we in this paper propose a novel user-cooperation scheme with anti-eavesdropping capabilities. Specifically, prior to any frame transmission, a source-relay pair is jointly selected to maximize the achievable secrecy rate. After that, the selected relay assists the source to deliver its data to the destination. The proposed selection scheme can be realized in a fully distributed manner, and the security is guaranteed without using any encryption techniques at the upper layers. The closed-form expressions for the secrecy outage probability and the intercept probability are derived, and the achievable diversity order is also analyzed. Simulation results show that the proposed scheme outperforms the competing counterparts in terms of both the secrecy outage probability and the average secrecy rate.

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Relay Selection in Dual-Hop Vehicular Networks

Cited by 71 publications

References 12 publications

On Physical Layer Security of Double Rayleigh Fading Channels for Vehicular Communications

On Physical Layer Security of Double Rayleigh Fading Channels for Vehicular Communications

On the Performance of Multihop-Intervehicular Communications Systems Over <italic>n</italic>*Rayleigh Fading Channels

Distributed source-relay selection scheme for vehicular relaying networks under eavesdropping attacks

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