Millimeter Wave Beam-Selection Using Out-of-Band Spatial Information

, Nuria González-Prelcic & Robert W. Heath
Millimeter wave (mmWave) communication is one feasible solution for high data-rate applications like vehicle-to-everything communication and next generation cellular communication. Configuring mmWave links, which can be done through channel estimation or beam-selection, however, is a source of significant overhead. In this paper, we propose to use spatial information extracted at sub-6 GHz to help establish the mmWave link. Assuming a fully digital architecture at sub-6 GHz; and an analog architecture at mmWave, we outline a...
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