An apparatus and method are provided for counting a number of uplink and/or downlink channels per slot for a UE capability in order to determine a maximum number of channels a UE is capable of processing per slot. A UE counts all PDSCHs or PUSCHs that the UE is scheduled or configured to receive or transmit, respectively, except for exception 1, exception 2, or exception 3, wherein a beginning of the symbol j is at least N_2 symbols after an end of the symbol i, the SPS PDSCH is not counted, and generates UE capability information based on the counted number of the PDSCH or PUSCH per slot.