US 12,328,154 B2
Techniques for channel state information (CSI) pre-processing
Pedram Kheirkhah Sangdeh, San Jose, CA (US); Gyu Bum Kyung, San Jose, CA (US); Yahia Ahmed Mahmoud Mahmoud Shabara, San Jose, CA (US); and Jiann-Ching Guey, Hsinchu (TW)
Assigned to MediaTek Inc., (TW)
Filed by MediaTek Inc., Hsinchu (TW)
Filed on Sep. 28, 2023, as Appl. No. 18/374,139.
Claims priority of provisional application 63/379,916, filed on Oct. 18, 2022.
Prior Publication US 2024/0137139 A1, Apr. 25, 2024
Int. Cl. H04B 17/391 (2015.01)
CPC H04B 17/3913 (2015.01) 20 Claims
OG exemplary drawing
 
1. A method, comprising:
extracting, by a processor of a user equipment (UE) that is in wireless communication with a base station node, eigenvectors (EVs) from raw channel state information (CSI) acquired by the UE; and
generating, by the processor, pre-processed CSI for compression by a machine-learning (ML)-based encoder of the UE into CSI feedback for the base station node by at least performing one or more of a phase discontinuity compensation (PDC), a one-step polarization separation with re-ordering, or a two-step polarization separation that includes separation based on polarization type and separation by position on the EVs.