Throughput Comparison of Two User System for Orthogonal and Non-Orthogonal Multiple Access
Abstract
Non-orthogonal multiple access (NOMA) technique has gained a significant attention as paramount multiple access technique for the future generation mobile networks. The code/time/frequency resources that are being used by conventional multiple access techniques, i.e., orthogonal multiple access (OMA) has been getting saturated gradually. The unexploited resource, i.e., power domain is utilized by NOMA to support multiple users at same time/frequency resources. In this work, an analysis and improvement of throughput are presented based on varying channel conditions of two users within a beam using NOMA over OMA.
References
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Wang, P., Xiao, J. and P, L. “Comparison of orthogonal and non-orthogonal approaches to future wireless cellular systems,” in IEEE Vehicular Technology Magazine 1, 3, pp. 4-11 (2006).
Y.R. Ramadan, A.S. Ibrahim and M.M. Khairy, “Robust RF Beamforming for Millimeter Wave MIMO–OFDM Systems,” in International Journal of Wireless Information Networks 4, 22, pp 327–335 (2015).
V. Bhaskar and K.N. Reddy, “Adaptive Transmission in a MIMO-OFDM System in Nakagami-m Fading Channels,” in International Journal of Wireless Information Networks 3, 22, pp 285–293 (2015).
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Z. Wei, J. Guo, D. W. K. Ng and J. Yuan, “Fairness Comparison of Uplink NOMA and OMA,” 2017 IEEE 85th Vehicular Technology Conference (VTC Spring), Sydney, NSW, pp. 1-6 (2017).
Z. Chen, Z. Ding, X. Dai and R. Zhang, “An Optimization Perspective of the Superiority of NOMA Compared to Conventional OMA,” in IEEE Transactions on Signal Processing 65, 19, pp. 5191-5202 (2017).
K. Janghel and S. Prakriya, “Performance of Adaptive OMA/Cooperative-NOMA Scheme With User Selection,” in IEEE Communications Letters 22, 10, pp. 2092-2095 (2018).
F. A. Rabee, K. Davaslioglu and R. Gitlin, “The optimum received power levels of uplink non-orthogonal multiple access (NOMA) signals,” 2017 IEEE 18th Wireless and Microwave Technology Conference (WAMICON), Cocoa Beach, FL, pp. 1-4 (2017).
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T. Manglayev, R. C. Kizilirmak and Y. H. Kho, “Optimum power allocation for non-orthogonal multiple access (NOMA),” 2016 IEEE 10th International Conference on Application of Information and Communication Technologies (AICT), Baku, pp. 1-4 (2016).
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Additional Files
Published
2022-04-12
Issue
Section
Electrical Engineering
