CPC H04W 72/23 (2023.01) [H04L 5/0048 (2013.01); H04W 16/28 (2013.01)] | 20 Claims |
1. A method comprising:
receiving, by a wireless device from a base station, one or more messages comprising configuration parameters indicating:
a sounding reference signal (SRS) resource set;
a plurality of reference signals (RSs); and
an uplink transmission configuration indication (TCI) state comprising a configuration of one or more RSs of the plurality of RSs;
receiving a downlink control information comprising an SRS resource indicator (SRI) and an uplink TCI indicator (UL-TCI), wherein:
the SRI indicates one or more SRS resources of the SRS resource set; and
the UL-TCI indicates an uplink transmission configuration indication state;
in response to the SRI being equal to a predefined value, determining an uplink spatial domain transmission filter based on the one or more SRS resources of the SRS resource set; and
transmitting, via a physical uplink shared channel, a transport block with the uplink spatial domain transmission filter.
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