Circuitry for a communications device configured to transmit signals to and/or receive signals from an infrastructure equipment of a wireless communications network, the circuitry comprising receiver circuitry configured to receive signals transmitted by the infrastructure equipment, transmitter circuitry configured to transmit signals to the infrastructure equipment, and controller circuitry configured to control the transmitter circuitry and the receiver circuitry, wherein the wireless communications network forms a wireless access interface comprising a plurality of communications resource elements by dividing a system bandwidth in time and frequency, the wireless access interface comprising a plurality of transmission units, each of the transmission units comprising a predetermined number of the communications resource elements, and one or more transmission units are configured to form combined transmission units, which can be allocated by the wireless communications network to one or more communications devices for receiving signals from the infrastructure equipment or transmitting signals to the infrastructure equipment, and the controller circuitry is configured with the receiver circuitry to receive an indication from the infrastructure equipment of a combined transmission unit comprising a plurality of transmission units for the communications device, the plurality of transmission units including a first one or more transmission units and a second one or more transmission units, and to receive an indication for each of the plurality of transmission units of the combined transmission unit of whether the transmission unit is for transmitting signals to the infrastructure equipment on the uplink, whether the transmission unit is for receiving signals from the infrastructure equipment on the downlink or whether the transmission unit is not to be used for transmitting or receiving signals, wherein a type of the first one or more transmission units differs from a type of the second one or more transmission units, and the controller circuitry in combination with the receiver circuitry is further configured to receive an indication of a type of signals which are to be transmitted or received in each of the transmission units the indicated type of signals which are to be transmitted or received in the transmission units including one of signals representing data, signals representing reference signals, signals representing synchronisation signals or an indication that no signals are to be transmitted. receiver circuitry configured to receive signals transmitted by the infrastructure equipment, transmitter circuitry configured to transmit signals to the infrastructure equipment, and controller circuitry configured to control the transmitter circuitry and the receiver circuitry, wherein the wireless communications network forms a wireless access interface comprising a plurality of communications resource elements by dividing a system bandwidth in time and frequency, the wireless access interface comprising a plurality of transmission units, each of the transmission units comprising a predetermined number of the communications resource elements, and one or more transmission units are configured to form combined transmission units, which can be allocated by the wireless communications network to one or more communications devices for receiving signals from the infrastructure equipment or transmitting signals to the infrastructure equipment, and the controller circuitry is configured with the receiver circuitry to receive an indication from the infrastructure equipment of a combined transmission unit comprising a plurality of transmission units for the communications device, the plurality of transmission units including a first one or more transmission units and a second one or more transmission units, and to receive an indication for each of the plurality of transmission units of the combined transmission unit of whether the transmission unit is for transmitting signals to the infrastructure equipment on the uplink, whether the transmission unit is for receiving signals from the infrastructure equipment on the downlink or whether the transmission unit is not to be used for transmitting or receiving signals, wherein a type of the first one or more transmission units differs from a type of the second one or more transmission units, and the controller circuitry in combination with the receiver circuitry is further configured to receive an indication of a type of signals which are to be transmitted or received in each of the transmission units the indicated type of signals which are to be transmitted or received in the transmission units including one of signals representing data, signals representing reference signals, signals representing synchronisation signals or an indication that no signals are to be transmitted.