Abstract: In line-of-sight scenarios multi-user orbital angular momentum (MU-OAM) wireless backhaul systems require accurate alignment of the transceiver beams to ensure the system performance.
Abstract: We investigate wideband uplink channel estimation for a multi-user (MU) multiple-input single-output (MISO) OFDM system, in which the base station (BS) is equipped with an extremely large ...
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