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- W4313854957 abstract "<p>The performance of an underlay coordinated direct and relay transmission (CDRT) based non-orthogonal multiple access (NOMA) network is limited by the random nature of the transmit powers due to the interference temperature limit (ITL) imposed by the primary network. In this paper, we show that combining the signals at both near and far users can significantly enhance throughput. Considering the practical scenario of imperfect successive interference cancellation, the performance of near and far user nodes is analyzed in terms of throughput and outage probability. The traditional case of static ITL is considered first. Then, analysis is presented for the case when the ITL depends on the primary channel state information, and it is shown that the gain in performance can be very large over static ITL. Closed-form expressions for NOMA power pportioning are presented for a special case. Further, it is shown that how optimum parameters can be chosen to maximize the performance. Simulations validate the derived analytical expressions.</p>" @default.
- W4313854957 created "2023-01-10" @default.
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- W4313854957 date "2023-01-09" @default.
- W4313854957 modified "2023-09-27" @default.
- W4313854957 title "Performance of CDRT based Underlay Downlink NOMA Network With Combining at the Users" @default.
- W4313854957 doi "https://doi.org/10.36227/techrxiv.21816351.v1" @default.
- W4313854957 hasPublicationYear "2023" @default.
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