2017
DOI: 10.1109/twc.2017.2650987
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Abstract: This paper investigates the physical layer security of non-orthogonal multiple access (NOMA) in large-scale networks with invoking stochastic geometry. Both single-antenna and multiple-antenna aided transmission scenarios are considered, where the base station (BS) communicates with randomly distributed NOMA users. In the single-antenna scenario, we adopt a protected zone around the BS to establish an eavesdropperexclusion area with the aid of careful channel-ordering of the NOMA users. In the multiple-antenna… Show more

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Cited by 570 publications
(459 citation statements)
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“…The physical layer security of a large-scale NOMA network was analyzed in [41], in which all the destinations (both legitimate and illegitimate) are spatially deployed at random locations. Furthermore, the work in [41] was extended in [42] and a MISO NOMA system was considered and artificial noise was employed to heighten the secrecy performance. The practical joint subcarrier assignment and power allocation were firstly proposed by Zhang H. et al in the secure AF two-way relay NOMA systems with and without cooperative jamming in [43], which can effectively enhance the secrecy energy efficiency.…”
Section: A Background and Related Workmentioning
confidence: 99%
“…The physical layer security of a large-scale NOMA network was analyzed in [41], in which all the destinations (both legitimate and illegitimate) are spatially deployed at random locations. Furthermore, the work in [41] was extended in [42] and a MISO NOMA system was considered and artificial noise was employed to heighten the secrecy performance. The practical joint subcarrier assignment and power allocation were firstly proposed by Zhang H. et al in the secure AF two-way relay NOMA systems with and without cooperative jamming in [43], which can effectively enhance the secrecy energy efficiency.…”
Section: A Background and Related Workmentioning
confidence: 99%
“…Recently, the physical layer security for 5G NOMA in stochastic geometry networks was considered in [12]. Later, an extension of [12] was presented in [13] where two different structures were proposed to improve the secrecy performance for singleantenna and multiple-antenna stochastic geometry networks, respectively. In [14], a new design of NOMA under secrecy considerations was proposed and the optimal designs of decoding order, transmission rates, and power allocated to each user were investigated.…”
Section: Introductionmentioning
confidence: 99%
“…The first NOMA scheme was defined on the power domain, and its secrecy outage probability was derived in [6]. In [7], a secure transmission scheme that maximizes the minimum confidential information rate among users was proposed.…”
Section: Introductionmentioning
confidence: 99%