Abstract: A user terminal configured to perform communication with an infrastructure equipment of a mobile communications network. The user terminal including a receiver configured to receive signals transmitted by the infrastructure equipment in accordance with a wireless access interface and a transmitter configured to transmit signals to the infrastructure equipment in accordance with the wireless access interface. The user terminal is configured to receive an indication on a downlink of the wireless access interface of one of a plurality of different subcarrier spacing which the communications device should use to transmit or to receive the signals representing the data.

Abstract: A terminal device comprising: transmitter circuitry configured to transmit a signal to infrastructure equipment of a wireless telecommunications network using a predetermined set of radio resources configured for use by a plurality of unidentified terminal devices; receiver circuitry configured to receive, from the infrastructure equipment, at least one of: a positive response signal indicating that the signal transmitted to the infrastructure equipment was successfully received by the infrastructure equipment and that the identifying feature of the terminal device was successfully determined by the infrastructure equipment using the signal transmitted to the infrastructure equipment; and a negative response signal indicating that the signal transmitted to the infrastructure equipment was not successfully received by the infrastructure equipment or that the identifying feature of the terminal device was not successfully determined by the infrastructure equipment using the signal transmitted to the infrastruct

Abstract: A communications device comprising a transmitter configured to transmit signals on communications resources of a wireless access interface of the wireless communications network, a receiver configured to receive signals transmitted on the communications resources of the wireless access interface, and a controller configured to control the transmitter and the receiver to transmit data representing the signals. The controller is configured to determine communications resources of the wireless access interface to be used to transmit the signals representing the data to be transmitted, and to determine a schedule for monitoring the wireless access interface to receive control information, wherein the monitoring schedule is based on the determined communications resources to be used to transmit the data, and the control information is monitored for a pre-emption indication that at least a portion of the determined communications resources are allocated for transmitting signals by another communications device.

Abstract: An infrastructure equipment that transmits a radio network identifier to a communications device for identifying the communications device when allocating communications resources of the wireless access interface for transmitting downlink data to the communications device. After the communications device has entered an inactive connected state, the infrastructure equipment transmits control signals including the radio network identifier for allocating communications resources of the wireless access interface for the communications device to receive downlink data, determine whether the communications device is still within a radio coverage area of the infrastructure equipment, and if the communications device has left the coverage area, transmit an indication to the one or more other infrastructure equipment via the inter-connecting interface to trigger a process for transmitting downlink data to the communications device from the one or more other infrastructure equipment.

Abstract: A network access node for use in a wireless telecommunications system comprising the network access node and a terminal device, the network access node is operable to: transmit wake-up signalling for the terminal device in a wake-up signalling transmission period in advance of transmitting a paging message to indicate the terminal device should seek to decode the paging message, wherein the wake-up signalling comprises: first wake-up signalling transmitted in a first frequency band during a first transmission period in the wake-up signalling transmission period; and second wake-up signalling transmitted in a second frequency band during a second transmission period in the wake-up signalling transmission period.

Abstract: The method includes transmitting the wake-up-signal in the selected format for use by the communications device. An arrangement is therefore provided in which a format of a wake-up-signal can be selected in accordance with characteristics of a process performed by a receiver to detect the wake-up-signal in accordance with the selected format. Accordingly, the format of the wake-up-signal can be selected in accordance with most appropriate characteristics for detecting the wake-up-signal with respect to a timing of the paging occasions for which the wake-up-signal is being transmitted and other signals from which the communications device can synchronise with the infrastructure equipment.

Abstract: A method of operating a terminal device in a wireless telecommunication system, the method comprising: determining a first preconfigured uplink resource configuration to use for a plurality of preconfigured uplink resource transmissions; transmitting data in accordance with the first preconfigured uplink resource configuration; determining the first preconfigured uplink resource configuration should be changed; determining a second preconfigured uplink resource configuration to use for a plurality of preconfigured uplink resource transmissions; and transmitting data in accordance with the second preconfigured uplink resource configuration.

Abstract: A communications device for transmitting data to a wireless communications network is configured to transmit a random access preamble, and to transmit uplink data in an uplink shared physical channel associated with the preamble according to a 2-step random access procedure, the association between the preamble and the uplink shared channel being known to the wireless communications network. The communications device is configured to detect, in response to transmitting the preamble and the uplink data, a random access response message providing timing advance information and uplink grant of resources of the uplink shared channel according to a 4-step random access procedure.

Abstract: A communications device including a receiver configured to receive signals from an infrastructure equipment of a wireless communications network in accordance with a wireless access interface provided by the infrastructure equipment, and a controller configured to control the receiver to receive data from the infrastructure equipment via a downlink of the wireless access interface. The controller is configured in combination with the receiver to receive a message from the infrastructure equipment which has been transmitted with a number of repetitions in a search space formed in the wireless access interface. The search space extends in time sufficient to span a transmission of the message at a highest repetition level associated with the highest number of repetitions and transmitted on radio resources selected by the infrastructure equipment from a plurality of candidates for radio resources which define the search space.

Abstract: A method for a receiver, the method comprising receiving a first plurality of blocks transmitted by a transmitter using first communications resources, determining that at least one of the first plurality of blocks was not received correctly, in response to determining that at least one of the first plurality of blocks was not received correctly, transmitting to the transmitter a first negative acknowledgement (NACK) indication that at least one of the first plurality of blocks was not received correctly, the NACK indication not indicating which of the first plurality of blocks was not received correctly, receiving a subset of the first plurality of blocks retransmitted by the transmitter in response to the NACK indication using second communications resources, and after receiving the subset of the first plurality of blocks, determining whether all of the first plurality of blocks have been received correctly.

Abstract: A transmitter for transmitting data to communications devices via a wireless access. The transmitter including modulator circuitry configured to receive modulation symbols of a segment and to rotate each modulation symbol by an angle dependent on a choice of modulation scheme, and receive each of the segments of rotated modulation symbols and for each segment to separate real and imaginary components of the rotated modulation symbols for the segment and to interleave the real components of the rotated modulation symbols of the segment differently to the imaginary components of the rotated modulation symbols of the segment. The circuitry also is configured to recombine the real and imaginary interleaved components of the rotated modulation symbols of each segment and to form from the real and imaginary components modulation cells.

Abstract: A method of operating a second network access node comprises configuring the second network access node to act as a secondary network access node for a dual connectivity mode for a terminal device in which a first network access node acts as a master network access node. The method further comprises establishing, while acting as a secondary network access node for the dual connectivity mode, that the second network access node should switch to acting as a master network access node, deriving a new master network access node security key for use by the second network access node when switched to acting as a master network access node for the dual connectivity mode, and configuring the second network access node to act a master network access node for the dual connectivity mode using the new master network access node security key.

Abstract: An apparatus comprising circuitry configured to perform a Random Access procedure that is based on one or more access control parameters that are specific for a predefined coverage level.

Abstract: A method is performed by a wireless communications device of transmitting measurement reports to an infrastructure equipment. The method comprises receiving signals transmitted by the infrastructure equipment, measuring a characteristic associated with the received signals, and selecting an index value from one of a plurality of index values. Each of the index values represents a range of values of the characteristic for which communications parameters of a transmitter in the infrastructure equipment and a receiver in the communication device should have to achieve an acceptable communications performance for values of the characteristic within the range of values of the characteristic. The method further comprises, subject to the selected index value, transmitting the selected index value to the infrastructure equipment.

Abstract: A method of operating an infrastructure node in a wireless communications system is provided. The method comprises detecting that downlink messages for a communications device to decode should be transmitted by the node in one or more of a plurality or temporally spaced paging occasions, and determining that a wake-up signal (WUS) should be transmitted by the node to the communications device in advance of each of the one or more paging occasions which comprise the downlink messages for the communications device to decode, determining that a time since a most recent transmission of a signal which can be used by the communications device to re-synchronise with the node is greater than a predetermined threshold and transmitting, in response to determining that the time since the most recent transmission from the infrastructure equipment to the communications device is greater than the predetermined threshold, a preamble signal to the communications device.

Abstract: A base station for a mobile telecommunications system has circuitry configured to communicate with at least one user equipment, wherein the circuitry is further configured to set a first subcarrier spacing for transmission of at least one synchronization signal; and set a second subcarrier spacing for transmission on a physical broadcast channel, wherein the first subcarrier spacing differs from the second subcarrier spacing.

Abstract: A base station for a mobile telecommunications system has circuitry which is configured to communicate with at least one user equipment. The circuitry is further configured to: transmit a short data transmission within the time scheduled for a long data transmission; and schedule, based on the transmission of the short data, a HARQ ACK/NACK response relating to at least a part of the long data transmission.

Abstract: A communications device is provided, which is configured to transmit or receive signals via a wireless access interface provided by the wireless communications network to or from one or more infrastructure equipment. The communications device is configured, at the time of a Radio Resource Control (RRC) connection establishment procedure, to receive a first message from one of the infrastructure equipment comprising an indication that the infrastructure equipment is capable of operating in accordance with a packet data convergence protocol (PDCP) in accordance with a first radio access technology, to establish a PDCP entity based on the received indication, and to transmit a second message to the infrastructure equipment comprising an indication that the communications device is capable of operating in accordance with one or both of the PDCP in accordance with the first radio access technology and a PDCP in accordance with a second radio access technology.

Abstract: A wake-up signal being for providing an indication to one or more flood of the communications devices that they should receive a paging message in one or more of a plurality of temporally spaced paging occasions, and transmitting a candidate indicator message to the one or more communications devices in advance of the wake-up signal search space, the candidate indicator message indicating one or more characteristics of the wake-up signal by which the wake-up signal may be transmitted as one or more candidates, wherein the one or more candidates are to be searched for detection of the wake-up signal by the one or more communication devices.

Abstract: A method of operating a terminal device capable of coverage enhancement in a wireless telecommunication system including receiving a signal from a base station within the wireless telecommunication system, measuring the received signal strength of the received signal, comparing the measured signal strength with at least one threshold value, and selecting a mode of operation of coverage enhancement based on a result of the comparison.