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- W2773084130 abstract "In this paper, we investigate the power allocation algorithm for beam division multiple access (BDMA) transmission in massive multiple-input multiple-output (MIMO) communications under Rician fading. Based on the fact that eigenbasis at the base station (BS) become identical and independent of user equipment as the number of BS antennas goes to infinity, jointly correlated channel model is introduced and beam domain transmission is derived. The objective function of ergodic sum-rate in the beam domain is a difference of concave functions, thus we search for the optimal solutions iteratively. We also utilize deterministic equivalent to calculate the ergodic sum-rate approximately under the assumption of only statistical channel state information (CSI) at the BS. Numerical results demonstrate the improvement in performance obtained by the proposed method." @default.
- W2773084130 created "2017-12-22" @default.
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- W2773084130 date "2017-10-01" @default.
- W2773084130 modified "2023-09-28" @default.
- W2773084130 title "Power allocation for massive MIMO systems with jointly correlated Rician fading" @default.
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- W2773084130 doi "https://doi.org/10.1109/wcsp.2017.8171118" @default.
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