Communication Dans Un Congrès Année : 2020

Users' Power Multiplexing Limitations in NOMA System over Gaussian Channel

Résumé

Non-Orthogonal Multiple Access (NOMA) is one of the promising techniques to ensure very high spectral efficiency in 5G mobile communications and beyond.In contrast to the orthogonal multiple access (OMA) technique, the NOMA shows outstanding performances in terms of throughput, user fairness, low latency and compatibility with the current and future communication systems. In this paper, we analyze the capacity region in NOMA system and the limited number of multiplexed users under a given power allocation vector (i.e. symmetric/asymmetric channel). Moreover, we have investigated the effect of large constellation order on the power allocation and bit error rate (BER). Comparisons between the coded and uncoded schemes are also presented.

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hal-02929749 , version 1 (03-09-2020)

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  • HAL Id : hal-02929749 , version 1

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Ahlem Haddad, Amor Nafkha, Faouzi Bader, Djamel Slimani. Users' Power Multiplexing Limitations in NOMA System over Gaussian Channel. The IEEE 8th International Conference on Wireless Networks and Mobile Communications (WINCOM’2020), Reïms, France. Oct 2020., Oct 2020, Reïms ( Virtual Conference ), France. ⟨hal-02929749⟩
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