کنفرانس مهندسی برق ایران

صفحه اصلی / سی امین کنفرانس بین المللی مهندسی برق

Error Probability Analysis of Non-Orthogonal Multiple Access

نویسندگان :

Rozita Shafie¹ AliAkbar Tadaion² Zolfa Zeinalpour-Yazdi³

1- دانشگاه صنعتی اصفهان 2- دانشگاه یزد 3- دانشگاه یزد

کلمات کلیدی :

NOMA , symbol error probability, interference cancellation, power allocation coefficient, successive interference cancellation

چکیده :

In this paper, we analyze the error probability in a downlink non-orthogonal multiple access (NOMA) system for different modulation schemes. The power domain NOMA is a promising technology for the next generation wireless networks. Through successive interference cancellation (SIC) at the receiver and superposition coding (SC) at the transmitter, downlink NOMA allocates a channel(time, frequency, code, or space) to multiple users, simultaneously and brings better performance in terms of energy efficiency, spectral efficiency and fairness. Since the error propagation of SIC is one of the challenges of the NOMA systems, the purpose of this paper is to obtain the error probability for NOMA users with different modulation schemes. In this paper, we obtain the symbol error probability expressions for a NOMA system with three users in different modulation schemes BPSK, QPSK. We also evaluate and validate all derivations through some numerical results, in addition Monte Carlo simulation confirm the analytical expressions derived.

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بیشتر

ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 42.0.4