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• W4311761942 abstract "This paper considers a massive multiple-input multiple-output (MIMO) uplink system in correlated Rayleigh fading channels. A transmitter with two antennas needs to send data timely to a base station with a large number of antennas. We assume the channel coefficients keep constant during two consecutive time slots and change independently in the following two successive time slots. We construct a Riemannian-distance (RD) based noncoherent detector for such a system. Also, we propose a novel noncoherent parametric space-time coding method. We first attain the closed-form solutions of the optimal sub-constellation structures for fixed modulation orders with the max-min rule. Then, we determine the optimal modulation order for each sub-constellation. The analytical results show that our proposed scheme can attain a larger RD distance than the existing massive uniquely factorable constellation coding (MUFC) scheme. Further, we illustrate that our proposed coding scheme enables a low-complexity RD decoding algorithm. Simulation results show that our proposed scheme performs better than the current phase shift keying modulation scheme and MUFC scheme." @default.
• W4311761942 created "2022-12-28" @default.
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• W4311761942 date "2023-03-01" @default.
• W4311761942 modified "2023-10-16" @default.
• W4311761942 title "Noncoherent space-time coding for correlated massive MIMO channel with Riemannian distance" @default.
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• W4311761942 doi "https://doi.org/10.1016/j.dsp.2022.103876" @default.
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