 subset of the M configured can- didate states via RRC signaling to each configured CORESET. Using MAC signaling, the network can dynamically indicate a specific TCI state, within the per-CORESET-configured subset, to be valid. When monitoring PDCCH within a certain CORESET, the device can assume that the PDCCH transmission uses the same spatial filter as the reference signal associated with the MAC-indicated TCI. In other words, if the device has determined a suitable receiver-side beam direction for reception of the reference signal, it can assume that the same beam direction is suitable for reception of the PDCCH. For PDSCH beam indication, there are two alternatives depending on the scheduling offset, that is, depending on the transmission timing of PDSCH relative to the corresponding PDCCH carrying scheduling information for that PDSCH. If this sched- uling offset is larger than N symbols, the DCI of the scheduling assignment may explicitly indicate the TCI state for the PDSCH transmission. To enable this, the device is initially configured with a set of up to eight TCI states from the originally configured set of candidate TCI states. A three-bit indicator within the DCI then indicates the exact TCI state which is valid for the scheduled PDSCH transmission. If the scheduling off- set is smaller or equal to N symbols, the device should instead assume that the PDSCH transmission is QCL with the corresponding PDCCH transmission. In other words, the TCI state for the PDCCH state indicated by MAC signaling should be assumed to be valid for the corresponding scheduled PDSCH transmission. The rea- son for limiting the dynamic TCI selection based on DCI signaling to the scenarios where the scheduling off- set is larger than a certain value is that for shorter scheduling offsets, there will not be sufficient time for the UE to successfully decode the TCI information within the DCI and to adjust the receive beam accordingly before the PDSCH is received [14]. 450 Chapter 4 tci-PresentInDCI corresponds to L1 parameter 