CPC H04B 7/0617 (2013.01) [H04B 7/0452 (2013.01); H04W 72/046 (2013.01); H04W 72/21 (2023.01); H04W 72/51 (2023.01)] | 20 Claims |
1. A method performed by an access network node, comprising:
determining first spatial domain information of a channel between a first terminal device and the access network node, based on second spatial domain information of the channel estimated by uplink signals received previously from the first terminal device at multiple time points; and
determining beamforming weights for the first terminal device based on the first spatial domain information.
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