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- W3209915596 abstract "In this paper, we investigate the design of a system that is both energy efficient and has low hardware complexity. A fully analog architecture is considered in the system model to reduce the hardware complexity. The low beamforming gain of a fully analog system is improved by using double phase shifters at each antenna element, and multi-user(MU) transmission is enabled by using non-orthogonal multiple access(NOMA) as the radio access technique. The problem is formulated as an appropriately constrained energy efficiency(EE) maximization problem. This formulation is non-convex because it is fractional. To simplify this into a convex problem, we propose to use a quadratic transform. We then present an iterative algorithm to obtain optimal beamformer and power allocation. Finally, we evaluate the proposed system model via simulations." @default.
- W3209915596 created "2021-11-08" @default.
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- W3209915596 date "2021-09-13" @default.
- W3209915596 modified "2023-09-26" @default.
- W3209915596 title "Energy Efficient Precoder Design and Power Allocation for a Low Complexity mmWave System" @default.
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- W3209915596 doi "https://doi.org/10.1109/pimrc50174.2021.9569575" @default.
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