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Massive MIMO enabled joint unicast transmission to IoT devices and mobile terminals
2020
IET Communications
We investigate the viability of downlink (DL) unicast transmission from a base station (BS) with massive number of antennas jointly to support machine-centric communication among the internet-of-things (IoT) devices and human-centric communication among the mobile terminals. Specifically, we derive a new expression for the DL sum spectral efficiency (SE) for the IoT devices with maximum ratio precoding when channel estimates are acquired via the proposed distance-dependent grouping based hybrid
doi:10.1049/iet-com.2019.1118
fatcat:4lij3nd2e5hz3pqktqwnzwuts4