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Feasible Transmission Strategies for Downlink MIMO in Sparse Millimeter-Wave Channels
IEEE Communications Magazine
Addressing the disruptive capacity requirements of 5G networks calls for a thorough exploration of multiple technological solutions. Two promising approaches are i) the use of multiple-input multiple-output (MIMO) technologies that enable multiplicative capacity gains, and ii) the exploration of new frequency bands to enlarge available bandwidth. While millimeter spectrum, one of the main bands under study, poses significant challenges due to its cumbersome propagation characteristicsdoi:10.1109/mcom.2018.1701022 fatcat:iysiaiedrjh3rkiw2jmgcl47vm