Communications device, infrastructure equipment, wireless communications network and methods

An infrastructure equipment for forming part of a wireless communications network, the infrastructure equipment comprising

• a receiver configured to receive signals transmitted by one or more communications devices,
• a transmitter configured to transmit signals to the one or more communications devices, and
• a controller configured to control the transmitter and the receiver and to allocate communications resource elements of a wireless access interface, the wireless access interface comprising a plurality of communications resource elements formed by dividing a system bandwidth in time and frequency, wherein the controller is configured to configure the wireless access interface as 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 infrastructure equipment to one or more of the communications devices for receiving signals from the infrastructure equipment or transmitting signals to the infrastructure equipment, and the controller is configured with the transmitter
• to transmit an indication to a communications device of a combined transmission unit providing one or more transmission units for the communications device, and
• to transmit an indication for each of the one or more 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 signals.