Adaptive secure rate allocation via TAS/MRC under multi-antenna eavesdroppers

Muhammad, Irfan; Alcaraz López, Onel L.; Alves, Hirley; Osorio, Diana P. M.; Benitez Olivo, Edgar E.; Latva-aho, Matti (2019-10-21)
 
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https://doi.org/10.1109/ISWCS.2019.8877227

Muhammad, Irfan
Alcaraz López, Onel L.
Alves, Hirley
Osorio, Diana P. M.
Benitez Olivo, Edgar E.
Latva-aho, Matti
Institute of Electrical and Electronics Engineers
21.10.2019

I. Muhammad, O. L. Alcaraz López, H. Alves, D. P. M. Osorio, E. E. Benitez Olivo and M. Latva-aho, "Adaptive Secure Rate Allocation via TAS/MRC under Multi-Antenna Eavesdroppers," 2019 16th International Symposium on Wireless Communication Systems (ISWCS), Oulu, Finland, 2019, pp. 666-671, https://doi.org/10.1109/ISWCS.2019.8877227

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doi:https://doi.org/10.1109/ISWCS.2019.8877227
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Abstract

This paper investigates the secrecy outage performance of a multiple-input multiple-output and multi-antenna eavesdropper system. We consider a novel formulation for the secrecy outage probability, which is capable of quantifying reliability and secrecy separately, thus constituting a useful tool in the context of new scenarios with stringent requirements on reliability as the case of ultra-reliable low-latency communication. Our system considers a multi-antenna transmitter, Alice, that employs transmit antenna selection, a legitimate multi-antenna receiver, Bob, and a multi-antenna eavesdropper, Eve, where both employing maximal-ratio combining. For this system, exact and simpler asymptotic closed-form expressions for the conditional outage probability are provided. Moreover, for the case where channel state information is available at the three nodes, a numerical secure throughput maximization is carried out by considering quality-of-service and security constraints for an adaptive rate allocation scheme in an ON-OFF transmission. Our proposed closed-form expressions are validated via Monte Carlo simulations.

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