A user equipment, UE, that communicates with a base station apparatus, comprising: receiving circuitry configured to receive a radio resource control, RRC, message comprising first information used for indicating a first number ( N preemtion) of symbols and second information used for indicating a second number ( N tdbm) of groups of symbols, wherein the second number of groups of symbols comprises a third number of groups of symbols and a fourth number of groups of symbols, each group of the third number of groups of symbols includes a fifth number of symbols and each group of the fourth number of groups of symbols includes a sixth number of symbols, the third number, the fourth number, the fifth number and the sixth number are calculated based on the first number and the second number, receiving circuitry configured to receive a RRC message comprising third information used for indicating a seventh number ( B preemtion) of resource blocks and fourth information used for indicating a eighth number ( N fdbm) of groups of resource blocks, wherein the eighth number of groups of resource blocks comprises a ninth number of groups of resource blocks and a tenth number of groups of resource blocks, each group of the ninth number of groups of resource blocks includes an eleventh number of resource blocks and each group of the tenth number of groups of resource blocks includes a twelfth number of resource blocks, the ninth number, the tenth number, the eleventh number and the twelfth number are calculated based on the seventh number and the eighth number, the receiving circuitry configured to monitor a first downlink control information, DCI, format comprising fifth information indicating preemption indication, wherein N tdbm sets of bits in the fifth information have a one-to-one mapping with the second number of groups of symbols where N fdbm bits in each set of bits have a one-to-one mapping with the eighth number of groups of resource blocks, transmitting circuitry configured to perform, based on the detection of the first DCI format, no uplink transmission on the corresponding group or groups of symbols and the corresponding group or groups of resource blocks. receiving circuitry configured to receive a radio resource control, RRC, message comprising first information used for indicating a first number ( N preemtion) of symbols and second information used for indicating a second number ( N tdbm) of groups of symbols, wherein the second number of groups of symbols comprises a third number of groups of symbols and a fourth number of groups of symbols, each group of the third number of groups of symbols includes a fifth number of symbols and each group of the fourth number of groups of symbols includes a sixth number of symbols, the third number, the fourth number, the fifth number and the sixth number are calculated based on the first number and the second number, receiving circuitry configured to receive a RRC message comprising third information used for indicating a seventh number ( B preemtion) of resource blocks and fourth information used for indicating a eighth number ( N fdbm) of groups of resource blocks, wherein the eighth number of groups of resource blocks comprises a ninth number of groups of resource blocks and a tenth number of groups of resource blocks, each group of the ninth number of groups of resource blocks includes an eleventh number of resource blocks and each group of the tenth number of groups of resource blocks includes a twelfth number of resource blocks, the ninth number, the tenth number, the eleventh number and the twelfth number are calculated based on the seventh number and the eighth number, the receiving circuitry configured to monitor a first downlink control information, DCI, format comprising fifth information indicating preemption indication, N tdbm sets of bits in the fifth information have a one-to-one mapping with the second number of groups of symbols where N fdbm bits in each set of bits have a one-to-one mapping with the eighth number of groups of resource blocks, transmitting circuitry configured to perform, based on the detection of the first DCI format, no uplink transmission on the corresponding group or groups of symbols and the corresponding group or groups of resource blocks.