p,s slots and a PDCCH monitoring offset of 8p,s slots; a PDCCH monitoring pattern within a slot, indicating first symbol(s) of the CORESET within a slot for PDCCH monitoring; a number of PDCCH can- didates Mb p,s per CCE aggregation level L; and an indication that search space set S is either a common or a UE-specific search space set via RRC signaling [8]. Alternative PDCCH mapping rules are illustrated in Fig. 4.24. The UE can also be provided via RRC signaling with a time interval consisting of slots indicating a number of slots where the search space set S could exist. The information on the first symbol and the number of consecutive symbols for a CORESET, which results in a PDCCH candidate mapping to symbols of different slots, is not provided to the UE. The UE cannot assume that two PDCCH monitoring occasions, for the same search space set or for different search space sets, within the same CORESET are separated by a number of symbols that are less than the CORESET duration. The UE determines the PDCCH monitoring occasion from the PDCCH monitoring periodic- ity, offset, and pattern within a slot. For search space set S in CORESET p, the UE deter- mines the PDCCH monitoring occasion(s) in a slot with number Nslot in a frame with number nframe, if nslot - 8ps) mod kp,s 0. If the UE is informed in advance of the duration via RRC signaling, it would monitor PDCCH for search space set S in CORESET p for Tp,s consecutive slots, starting from slot nslot and would not monitor PDCCH for search space set S in CORESET p for the next kp,s-Tp,s consecutive slots [8]. A UE-specific search space at CCE aggregation level Le {1, 2, 4, 8, 16} is defined by a set of PDCCH candidates for CCE aggregation level L. For search space set S associated with CORESET p, the CCE indices for aggregation level L corresponding to PDCCH candidate ms,nct of the search space set in slot nslot for an active BWP in the serving cell corresponding to carrier indicator field value NCI are given as follows [8]: Yp,nslot For common search spaces Yp,