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- W2912971683 abstract "As a candidate non-orthogonal multiple access technology for 5G, sparse code multiple access (SCMA) can effectively improve spectrum efficiency. In this paper, we first study the layered multicast scheme in SCMA network, its system capacity is no longer limited by the worst channel quality user in the multicast group. Specifically, we formulate a network energy efficiency (EE) maximization problem subject to quality-of-service (QoS) requirements, codebook assignment, and power allocation. In order to reduce the computational complexity, we then propose a sub-optimization algorithm by separating codebook assignment and power allocation. Finally, the simulation results verify the superiority of the proposed algorithm in layered multicast based on SCMA network in terms of the network EE." @default.
- W2912971683 created "2019-02-21" @default.
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- W2912971683 date "2018-11-01" @default.
- W2912971683 modified "2023-09-25" @default.
- W2912971683 title "Resource Allocation for Energy Efficiency Maximization of Layered Multicast in SCMA Networks" @default.
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- W2912971683 doi "https://doi.org/10.1109/apcc.2018.8633564" @default.
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