Patent ID: 11949475
Assignee: WISIG NETWORKS PRIVATE LIMITED
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 31:
32. A base station (BS), the BS comprising:
a receiver configured to receive a plurality of signals corresponding to a plurality of antennas, wherein the plurality of signals comprise data signals, demodulation reference signals (DM RS) and sounding reference signals (SRS);
a processor configured to group subsets of the plurality of signals to generate a plurality of signal groups; and
one or more group specific filters configured to filter each of the plurality of signal groups to obtain one or more group specific filtered signals, wherein a group specific filter for a particular signal group is determined according to signals associated with the particular signal group and/or the SRS, wherein:
the group specific filter for the particular signal group is determined according to predetermined values obtained using one or more group specific Discrete Fourier Transform (DFT) weights, and
the group specific DFT weights include a group specific steering angle.