| CPC H04W 16/28 (2013.01) [H04L 5/0051 (2013.01); H04W 72/046 (2013.01); H04W 72/23 (2023.01)] | 12 Claims |

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1. A method, comprising:
receiving, by a wireless communication device, an activation command, wherein the activation command activates one or more activated transmission configuration indicator (TCI) states;
determining, by the wireless communication device, an activated TCI state from the one or more activated TCI states, wherein the activated TCI state is applicable to a downlink (DL) signal and corresponds to a codepoint of a TCI field of a downlink control information (DCI) and the codepoint is determined according to the DCI, wherein the activated TCI state is applicable to the DL signal responsive to the activated TCI state including one or more reference signals (RSs) and corresponding quasi co-location (QCL) type parameters, and the DL signal and each of the one or more reference signals (RSs) satisfying a QCL relationship with respect to the corresponding QCL type parameter;
determining, by the wireless communication device based at least on the activated TCI state, a first information, wherein the first information includes a beam of an uplink (UL) signal and a power control parameter of the UL signal; and
transmitting, by the wireless communication device, the UL signal according to the first information,
wherein the UL signal includes an aperiodic sounding reference signal (SRS).
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