MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202647072024 A) filed by Telefonaktiebolaget Lm Ericsson Publ on June 10, 2026, for Systems And Methods For Physical Random Access Channel-Based Beamforming During Massive Muliple Input-Multiple Output Sleep.
Inventors include Sokun, Hamza; Bahceci, Israfil; and Qiang, Yongquan.
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: A method (1000) by a network node (410) for performing Physical Random Access Channel-based beamforming includes designing (1004) a precoder for at least one downlink transmission to be sent to a User Equipment, UE, via subset of antenna branches, wherein the precoder is designed based on a plurality of antenna branches that are greater than the subset of antenna branches. Based on a mean of a signal strength calculated over multiple polarizations of a plurality of sub-sector beams, the network node selects (1006) at least one sub-sector beam for the at least one downlink transmission to the UE. The network node sends (1008), to the UE, the at least one downlink transmission via the at least one sub-sector beam and using the precoder designed based on the subset of the plurality of antenna branches.
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