ysical Layer Aspects (Part 2) 475 When the total number of PDCCH candidates that a UE is configured to monitor in a slot exceeds the blind decoding limit of the UE, it must drop some of the candidates. While the number of blind decoding attempts can be controlled by the network through RRC configu- ration, the specification does not define a rule for dropping the PDCCH candidates, when the number of PDCCH candidates exceeds the blind decoding limit of the UE. As an exam- ple, the candidates can be prioritized according to the search space type and then according to search space set number within a search space type and finally according to aggregation level within a search space set. Once the blind decoding limit is reached, the remaining can- didates can be discarded. If a UE has a limit of 56 CCEs and it is configured with a single CORESET in the slot that spans only one OFDM symbol then the CCE limit should not be an issue since the maximum number of PRBs on an RF carrier is 275, and this corresponds to less than 56 CCEs. However, if a UE is configured to monitor two-symbol or three- symbol CORESETs, or multiple CORESETs in a slot and the number of CCEs for all CORESETs is large, the CCE processing constraint can potentially limit the number of PDCCH candidates for which decoding can be attempted, considering that the CCE limit of 56 CCEs must be shared among many CORESETs in the slot. 4.1.3.2.5 Dynamic and Semi-persistent Scheduling The MAC sublayer in a gNB includes dynamic resource schedulers that manage and allo- cate radio resources to active users in the downlink and uplink. Scheduling is performed in either dynamic or semi-static manner. Dynamic scheduling is the default mode-of-operation where the scheduler for each time interval, that is, a slot, determines which devices are going to transmit or receive and further configures the transmission parameters based on the measurement reports from the UEs. Since scheduling decisions are made frequently, it is possible to track fast variations of the user tra