Two-Stage Non-Orthogonal Multiple Access Over Power Line Communication Channels

Rabie, Khaled M.; Adebisi, Bamidele; Tonello, Andrea M.; Yarkan, Serhan; Ijaz, Muhammad

doi:10.1109/access.2018.2820175

Cited by 25 publications

(39 citation statements)

References 25 publications

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“…ρ S and ρ R denote the source and relay transmit SNR. In this work, we assume erasure decoding, where the received signals affected by impulsive noise are discarded in the decoding process [19][20][21]. An outage occurs when the achievable rate is less than the predefined target rate.…”

Section: Outage Probability Analysismentioning

confidence: 99%

“…As an enabler of smart grid (SG) and Internet of Things (IoT) applications, power line communication (PLC) is seen as an attractive and promising technique due to the ubiquitous nature of power lines [18]. Naturally, the application of NOMA to PLC can only prove beneficial [19][20][21][22]. In Reference [19], user relaying NOMA with DF protocol was proposed for PLC systems.…”

Section: Introductionmentioning

confidence: 99%

“…The average sum capacity was analyzed and results show NOMA can significantly improve the performance of PLC compared to OMA and satisfy the electromagnetic compatibility (EMC) requirements [23]. The authors of [20] studied a two-stage NOMA scheme, where NOMA is applied at both the source and the user relay, which is shown to outperform the one-stage system in Reference [19]. An adaptive cooperative NOMA scheme for PLC was proposed in Reference [21], where a dedicated DF relay establishes communication between a source modem and two user modems.…”

Section: Introductionmentioning

confidence: 99%

“…By jointly optimizing the allocated power to the PLC and VLC links, NOMA performs better than OMA in terms of sum throughput. The aforementioned works [19][20][21] have only considered DF relaying with NOMA in cooperative PLC systems.…”

Section: Introductionmentioning

confidence: 99%

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Cooperative Non-Orthogonal Multiple Access over Log-Normal Power Line Communication Channels

2019

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In this paper, we analyze the performance of cooperative power domain non-orthogonal multiple access (NOMA) in power line communication (PLC) networks. Due to the high signal attenuation of the source to user links, a relay aids communication from the source to two users. With half-duplex transmission, the source transmits a superimposed symbol in the first phase. The relay utilizes amplify-and-forward (AF) and decode-and-forward (DF) protocol on the received superimposed signal and forwards it to the users in the second phase. We derive analytic expressions for the outage probability and the system throughput of the proposed system under a PLC log-normal channel with impulsive noise. Based on the results for AF NOMA relaying case, we analyze the system performance at high signal-to-noise ratio (SNR) and derive closed-form lower and upper bounds for the outage probability. Simulation results show an improvement in the outage probability and the system throughput performance of the AF and DF NOMA schemes compared to the NOMA without relaying transmission and conventional orthogonal multiple access scheme. Furthermore, the impact of the channel variance is highlighted in the results. It is shown that the DF NOMA has a better outage probability than the AF NOMA scheme for low channel variance scenarios (i.e., less branches and connected loads in the PLC network). However, as the channel variance increases, AF NOMA scheme has similar outage probability performance as the DF NOMA scheme. In addition, it is shown that the system throughput is enhanced when the relay employs DF relaying compared to AF relaying.

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Section: Outage Probability Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Cooperative Non-Orthogonal Multiple Access over Log-Normal Power Line Communication Channels

2019

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“…Although instructive, all these works were built upon the classical assumption of additive white Gaussian noise (AWGN). In fact, apart from some sporadic results [8]- [10], considering downlink scenarios of cooperative NOMA in power line communication systems, to the best of the authors' knowledge, the available literature on NOMA has exclusively considered this simplistic and sometimes unrealistic noise model. Indeed, several studies show sufficient evidences that impulse man-made noise is encountered in various metropolitan, high voltage, manufacturing plants, and indoor environments [11].…”

Section: Introductionmentioning

confidence: 99%

Effect of Impulsive Noise on Uplink NOMA Systems

Selim

Alam

Kaddoum

et al. 2020

IEEE Trans. Veh. Technol.

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Non-orthogonal multiple access (NOMA) was recently proposed as a viable technology that can potentially provide the spectral efficiency, low latency, and massive connectivity requirements of future radio networks. In this context, numerous ultra-high reliability technologies such as the industrial Internet of things, smart grids, and smart homes present environments which are characterized by the presence of impulsive electromagnetic interference, known as impulsive noise. Under such conditions, the power domain multiplexing in NOMA is expected to render the system particularly sensitive to this additional impulsive noise. Therefore, in this article, we quantify the effects of impulsive noise on the outage performance of uplink NOMA systems. Extensive Monte-Carlo simulations as well as offered analytical results demonstrate the vulnerability of the involved NOMA users to this type of noise. This highlights the need for effective modeling of the impulsive noise as well as the design of mitigation techniques that are suitable for the particular demands and challenges of NOMA.Index Terms-Non-orthogonal multiple access, impulsive noise, uplink, outage probability.

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Mathematical modeling of security impact analysis of communication network based on Monte Carlo algorithm

Tian

2020

Computer Communications

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Two-Stage Non-Orthogonal Multiple Access Over Power Line Communication Channels

Cited by 25 publications

References 25 publications

Cooperative Non-Orthogonal Multiple Access over Log-Normal Power Line Communication Channels

Cooperative Non-Orthogonal Multiple Access over Log-Normal Power Line Communication Channels

Effect of Impulsive Noise on Uplink NOMA Systems

Mathematical modeling of security impact analysis of communication network based on Monte Carlo algorithm

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