Abstract
The performance of successive interference cancellation (SIC) employing Sequential Power Allocation (SePA) on the NOMA system downlink is discussed in this study. The simulation scenario is based on the variation of the SePA constant value and the number of users ranging from users who are far from the BS to users who are close to the BS. Bit error rate (BER) performance will be investigated using SePA constants and different number of users. Users who are farthest from the BS can directly decode their own signals, while users who are the second farthest to the closest to the BS must perform SIC first. In addition, the performance of the SePA algorithm is compared to Static Power Allocation (SPA) using QPSK modulation and Rayleigh fading channels. The simulation results show that the greater the SePA constant used, the greater the power transmit required to reach BER 10−3 will be even greater.
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Thank you for providing funding in this research, Indonesia Endowment Fund for Education (LPDP), Ministry of Finance Republic Indonesia.
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Vidyaningtyas, H., Iskandar, Hendrawan, Pramudita, A.A., Saputri, D.M. (2024). Investigating SIC Performance Using Sequential Power Allocation for Downlink NOMA. In: Barolli, L. (eds) Advances on Broad-Band and Wireless Computing, Communication and Applications. BWCCA 2023. Lecture Notes on Data Engineering and Communications Technologies, vol 186. Springer, Cham. https://doi.org/10.1007/978-3-031-46784-4_3
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DOI: https://doi.org/10.1007/978-3-031-46784-4_3
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