A user equipment, UE, comprising: one or more non-transitory computer-readable media having computer-executable instructions embodied thereon; and at least one processor coupled to the one or more non-transitory computer-readable media, the at least one processor is configured to execute the computer-executable instructions to: receive, from a base station, a first Physical Downlink Control Channel, PDCCH, monitoring configuration and a second PDCCH monitoring configuration, wherein the second PDCCH monitoring configuration allocates a plurality of PDCCH monitoring occasions within a slot; and perform PDCCH monitoring based on at least one of the first PDCCH monitoring configuration and the second PDCCH monitoring configuration, wherein: a maximum number of non-overlapped Control Channel Elements, CCEs, in one slot is bound by a CCE limit; a CCE limit of the first PDCCH monitoring configuration within one slot is different from a CCE limit of the second PDCCH monitoring configuration within one slot; a maximum number of monitored PDCCH candidates in one slot is bound by a Blind Decodes, BD, limit; and the BD limit of the first PDCCH monitoring configuration within one slot is different from the BD limit of the second PDCCH monitoring configuration within one slot. one or more non-transitory computer-readable media having computer-executable instructions embodied thereon; and at least one processor coupled to the one or more non-transitory computer-readable media, the at least one processor is configured to execute the computer-executable instructions to: receive, from a base station, a first Physical Downlink Control Channel, PDCCH, monitoring configuration and a second PDCCH monitoring configuration, wherein the second PDCCH monitoring configuration allocates a plurality of PDCCH monitoring occasions within a slot; and perform PDCCH monitoring based on at least one of the first PDCCH monitoring configuration and the second PDCCH monitoring configuration, wherein: a maximum number of non-overlapped Control Channel Elements, CCEs, in one slot is bound by a CCE limit; a CCE limit of the first PDCCH monitoring configuration within one slot is different from a CCE limit of the second PDCCH monitoring configuration within one slot; a maximum number of monitored PDCCH candidates in one slot is bound by a Blind Decodes, BD, limit; and the BD limit of the first PDCCH monitoring configuration within one slot is different from the BD limit of the second PDCCH monitoring configuration within one slot. receive, from a base station, a first Physical Downlink Control Channel, PDCCH, monitoring configuration and a second PDCCH monitoring configuration, wherein the second PDCCH monitoring configuration allocates a plurality of PDCCH monitoring occasions within a slot; and perform PDCCH monitoring based on at least one of the first PDCCH monitoring configuration and the second PDCCH monitoring configuration, wherein: a maximum number of non-overlapped Control Channel Elements, CCEs, in one slot is bound by a CCE limit; a CCE limit of the first PDCCH monitoring configuration within one slot is different from a CCE limit of the second PDCCH monitoring configuration within one slot; a maximum number of monitored PDCCH candidates in one slot is bound by a Blind Decodes, BD, limit; and the BD limit of the first PDCCH monitoring configuration within one slot is different from the BD limit of the second PDCCH monitoring configuration within one slot. a maximum number of non-overlapped Control Channel Elements, CCEs, in one slot is bound by a CCE limit; a CCE limit of the first PDCCH monitoring configuration within one slot is different from a CCE limit of the second PDCCH monitoring configuration within one slot; a maximum number of monitored PDCCH candidates in one slot is bound by a Blind Decodes, BD, limit; and the BD limit of the first PDCCH monitoring configuration within one slot is different from the BD limit of the second PDCCH monitoring configuration within one slot.