Exploring opportunistic scheduling in ad-hoc network with physical layer security

Sun, Dawei; Benaboud, Hafssa; Mikou, Noufissa; Li, Jianhua

doi:10.1109/jns2.2012.6249243

Cited by 2 publications

(2 citation statements)

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“…The authors demonstrated that when the average SNR of the main channel is at medium and high levels, higher correlation at the receiver exerts more detrimental effects on secrecy than higher correlation at the eavesdropper. Opportunistic scheduling policy for PHY security has been discussed in [20], but the authors have addressed only MAC layer policies.…”

Section: Introductionmentioning

confidence: 99%

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Performance of opportunistic scheduling for physical layer security with transmit antenna selection

Shrestha

Kwak

2014

J Wireless Com Network

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We introduce an opportunistic scheduling to enhance the physical layer security with transmit antenna selection (TAS) in multiuser environment. We consider a wireless communication system composed of a single transmitter and multiple legitimate users in the presence of several eavesdroppers with each node having multiple antennas under quasi-static Rayleigh fading channel. The transmitter selects the best transmitting antenna and the best user to maximize signal-to-noise ratio (SNR) at the selected user. The user and eavesdropper can employ either selection combining (SC) or maximal ratio combining (MRC) to combine the received signals. New closed-form expressions for probability of positive secrecy and outage are derived. Moreover, asymptotic analysis reveals the outage diversity gain and array gain for the proposed scheme. The impact of number of users, eavesdroppers, and antennas on secrecy performance are clearly demonstrated with mathematical analysis and numerical results.

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Section: Introductionmentioning

confidence: 99%

“…In this paper, we consider a single transmitter with multiple active users and several passive eavesdroppers each equipped with multiple antennas in contrast to [16][17][18] and [20]. We propose an opportunistic scheduling along with TAS at transmitter.…”

Section: Introductionmentioning

confidence: 99%