Patent ID: 9344170
Filing Date: 2016-05-17
CPC Classification: H04B,H04L,H04W

Claim Text:
1. An evolved Node B (eNodeB), comprising: a two-dimensional (2D) antenna array for three-dimensional (3D) steering of a radio frequency (RF) beam toward a first user equipment (UE); a scalar dequantizer to dequantize a first feedback indicator received from the first UE to determine vertical phase shift parameters to apply to respective rows of the antennas in the 2D antenna array for steering the RF beam in a vertical direction; a vector dequantizer to dequantize a second feedback indicator received from the first UE to determine coefficients of linear transmit antenna weights to apply to respective columns of antennas in the 2D antenna array for steering the RF beam in a horizontal direction; a pre-coding matrix indicator (PMI) reconstructor to calculate a PMI vector comprising the coefficients multiplied by the vertical phase shift parameters; a precoder to, in a multi-user multiple-input multiple-output (MIMO) mode: a transmitter to transmit the pre-coded downlink data to the first UE.