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Effective Secrecy Rate for a Downlink NOMA Network

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Effective Secrecy Rate for a Downlink NOMA Network. / Yu, W.; Chorti, A.; Musavian, L.; Poor, H. V.; Ni, Q.

In: IEEE Transactions on Wireless Communications, Vol. 18, No. 12, 31.12.2019, p. 5673-5690.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Yu, W, Chorti, A, Musavian, L, Poor, HV & Ni, Q 2019, 'Effective Secrecy Rate for a Downlink NOMA Network', IEEE Transactions on Wireless Communications, vol. 18, no. 12, pp. 5673-5690. https://doi.org/10.1109/TWC.2019.2938515

APA

Yu, W., Chorti, A., Musavian, L., Poor, H. V., & Ni, Q. (2019). Effective Secrecy Rate for a Downlink NOMA Network. IEEE Transactions on Wireless Communications, 18(12), 5673-5690. https://doi.org/10.1109/TWC.2019.2938515

Vancouver

Yu W, Chorti A, Musavian L, Poor HV, Ni Q. Effective Secrecy Rate for a Downlink NOMA Network. IEEE Transactions on Wireless Communications. 2019 Dec 31;18(12):5673-5690. https://doi.org/10.1109/TWC.2019.2938515

Author

Yu, W. ; Chorti, A. ; Musavian, L. ; Poor, H. V. ; Ni, Q. / Effective Secrecy Rate for a Downlink NOMA Network. In: IEEE Transactions on Wireless Communications. 2019 ; Vol. 18, No. 12. pp. 5673-5690.

Bibtex

@article{ecae5f3c75404d568cb7cb38c4d3e6cf,
title = "Effective Secrecy Rate for a Downlink NOMA Network",
abstract = "In this paper, a novel approach is introduced to study the achievable delay-guaranteed secrecy rate, by introducing the concept of the effective secrecy rate (ESR). This study focuses on the downlink of a non-orthogonal multiple access (NOMA) network with one base station, multiple single-antenna NOMA users and an eavesdropper. Two possible eavesdropping scenarios are considered: 1) an internal, unknown, eavesdropper in a purely antagonistic network; and 2) an external eavesdropper in a network with trustworthy peers. For a purely antagonistic network with an internal eavesdropper, the only receiver with a guaranteed positive ESR is the one with the highest channel gain. A closed-form expression is obtained for the ESR at high signal-to-noise ratio (SNR) values, showing that the strongest user{\textquoteright}s ESR in the high SNR regime approaches a constant value irrespective of the power coefficients. Furthermore, it is shown the strongest user can achieve higher ESR if it has a distinctive advantage in terms of channel gain with respect to the second strongest user. For a trustworthy NOMA network with an external eavesdropper, a lower bound and an upper bound on the ESR are proposed and investigated for an arbitrary legitimate user. For the lower bound, a closed-form expression is derived in the high SNR regime. For the upper bound, the analysis shows that if the external eavesdropper cannot attain any channel state information (CSI), the legitimate NOMA user at high SNRs can always achieve positive ESR, and the value of it depends on the power coefficients. Simulation results numerically validate the accuracy of the derived closed-form expressions and verify the analytical results given in the theorems and lemmas.",
keywords = "NOMA, Delays, Signal to noise ratio, Wireless communication, Closed-form solutions, 5G mobile communication, Fading channels, Effective capacity, secrecy rate, delay-outage probability",
author = "W. Yu and A. Chorti and L. Musavian and Poor, {H. V.} and Q. Ni",
note = "{\textcopyright}2019 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. ",
year = "2019",
month = dec,
day = "31",
doi = "10.1109/TWC.2019.2938515",
language = "English",
volume = "18",
pages = "5673--5690",
journal = "IEEE Transactions on Wireless Communications",
issn = "1536-1276",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
number = "12",

}

RIS

TY - JOUR

T1 - Effective Secrecy Rate for a Downlink NOMA Network

AU - Yu, W.

AU - Chorti, A.

AU - Musavian, L.

AU - Poor, H. V.

AU - Ni, Q.

N1 - ©2019 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

PY - 2019/12/31

Y1 - 2019/12/31

N2 - In this paper, a novel approach is introduced to study the achievable delay-guaranteed secrecy rate, by introducing the concept of the effective secrecy rate (ESR). This study focuses on the downlink of a non-orthogonal multiple access (NOMA) network with one base station, multiple single-antenna NOMA users and an eavesdropper. Two possible eavesdropping scenarios are considered: 1) an internal, unknown, eavesdropper in a purely antagonistic network; and 2) an external eavesdropper in a network with trustworthy peers. For a purely antagonistic network with an internal eavesdropper, the only receiver with a guaranteed positive ESR is the one with the highest channel gain. A closed-form expression is obtained for the ESR at high signal-to-noise ratio (SNR) values, showing that the strongest user’s ESR in the high SNR regime approaches a constant value irrespective of the power coefficients. Furthermore, it is shown the strongest user can achieve higher ESR if it has a distinctive advantage in terms of channel gain with respect to the second strongest user. For a trustworthy NOMA network with an external eavesdropper, a lower bound and an upper bound on the ESR are proposed and investigated for an arbitrary legitimate user. For the lower bound, a closed-form expression is derived in the high SNR regime. For the upper bound, the analysis shows that if the external eavesdropper cannot attain any channel state information (CSI), the legitimate NOMA user at high SNRs can always achieve positive ESR, and the value of it depends on the power coefficients. Simulation results numerically validate the accuracy of the derived closed-form expressions and verify the analytical results given in the theorems and lemmas.

AB - In this paper, a novel approach is introduced to study the achievable delay-guaranteed secrecy rate, by introducing the concept of the effective secrecy rate (ESR). This study focuses on the downlink of a non-orthogonal multiple access (NOMA) network with one base station, multiple single-antenna NOMA users and an eavesdropper. Two possible eavesdropping scenarios are considered: 1) an internal, unknown, eavesdropper in a purely antagonistic network; and 2) an external eavesdropper in a network with trustworthy peers. For a purely antagonistic network with an internal eavesdropper, the only receiver with a guaranteed positive ESR is the one with the highest channel gain. A closed-form expression is obtained for the ESR at high signal-to-noise ratio (SNR) values, showing that the strongest user’s ESR in the high SNR regime approaches a constant value irrespective of the power coefficients. Furthermore, it is shown the strongest user can achieve higher ESR if it has a distinctive advantage in terms of channel gain with respect to the second strongest user. For a trustworthy NOMA network with an external eavesdropper, a lower bound and an upper bound on the ESR are proposed and investigated for an arbitrary legitimate user. For the lower bound, a closed-form expression is derived in the high SNR regime. For the upper bound, the analysis shows that if the external eavesdropper cannot attain any channel state information (CSI), the legitimate NOMA user at high SNRs can always achieve positive ESR, and the value of it depends on the power coefficients. Simulation results numerically validate the accuracy of the derived closed-form expressions and verify the analytical results given in the theorems and lemmas.

KW - NOMA

KW - Delays

KW - Signal to noise ratio

KW - Wireless communication

KW - Closed-form solutions

KW - 5G mobile communication

KW - Fading channels

KW - Effective capacity

KW - secrecy rate

KW - delay-outage probability

U2 - 10.1109/TWC.2019.2938515

DO - 10.1109/TWC.2019.2938515

M3 - Journal article

VL - 18

SP - 5673

EP - 5690

JO - IEEE Transactions on Wireless Communications

JF - IEEE Transactions on Wireless Communications

SN - 1536-1276

IS - 12

ER -