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- W2997431785 abstract "In this letter, we investigate the joint beamforming and power splitting design problem in a base station (BS) cluster-based cloud radio access network (C-RAN) with multicast fronthaul, where users are jointly served by BSs within each cluster. Meanwhile, each user can simultaneously obtain information and energy from received signals. On this basis, under predefined minimum harvested energy of each user and maximum transmit power of each BS and central processor, we formulate a sum rate maximization problem by jointly optimizing multicast fronthaul beamforming, cooperative access beamforming and power split ratios. Due to the difficulty in solving the formulated problem, we first transform it into a convex one by successive convex approximate and semidefinite program (SDP) relaxation techniques, and then propose an effective iterative algorithm. Moreover, we design a randomization method that can always obtain the rank-one solution. Finally, numerical results are conducted to validate the effectiveness of our proposed algorithm." @default.
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- W2997431785 date "2020-04-01" @default.
- W2997431785 modified "2023-10-16" @default.
- W2997431785 title "Joint Beamforming and Power Splitting Design for C-RAN With Multicast Fronthaul" @default.
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- W2997431785 doi "https://doi.org/10.1109/lwc.2019.2963655" @default.
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