Abstract: A base station for transmitting system related information in a mobile telecommunications network. The base station is configured to transmit system information for the cell provided by the base station and to broadcast a version synchronisation signal, wherein the version synchronisation signal provides version information regarding the current version of the system information for the cell.

Abstract: A method of performing cell reselection by a wireless communications device comprises measuring a signal strength of radio signals received from a serving cell, determining whether the signal strength of the signals received from the serving cell is lower than a first predetermined signal strength threshold, if the signal strength is lower than the first predetermined signal strength threshold measuring a signal strength of a neighbor cell operating on the same frequency as the serving cell to generate signal strength measurements at a first rate, and in accordance with the signal strength measurements of the neighbor cell generated at the first rate determining whether to reselect to the neighbor cell.

Abstract: A wireless telecommunications system including first and second terminal devices operable to communicate with one another in a synchronized device-to-device manner. The second terminal device is operable to selectively achieve synchronization for receiving data transmissions from the first terminal device using direct synchronization signalling transmitted by the first terminal device or indirect synchronization signalling transmitted by another network entity, such as a base station.

Abstract: A communications device includes a transmitter configured to transmit signals to one or more other communications devices via a wireless access interface, the one or more communications devices configured to perform device-to-device communications. A receiver is configured to receive signals from the one of the other communications devices via the wireless access interface, and a controller controls the transmitter and receiver to transmit or to receive the signals via the wireless access interface to transmit or to receive data represented by the signals. The wireless access interface provides a scheduling region including plural predetermined sections of communications resources, and plural sections of shared communications resources. Transmission of a scheduling assignment message in a section of the scheduling region informs other devices of a group that a communications device will transmit signals representing data in a corresponding section of the shared communications channel.

Abstract: A location server configured to determine a location of communications devices with respect to a location of infrastructure equipment of a wireless access network from observed time differences between receiving positioning reference signals transmitted by a plurality of the infrastructure equipment and received by the communications devices.

Abstract: The present technique provides a first terminal device for exchanging signals with a wireless telecommunications network and a plurality of second terminal devices, the first terminal device configured to exchange signals with each of the plurality of second terminal devices, when the first terminal device provides a local cell for providing wireless connectivity for the plurality of second terminal devices, and to exchange signals with one or more infrastructure equipment of the wireless telecommunications network, and receive, from each of the plurality of second terminal devices served by the first terminal device when providing the local cell, suitability information indicative of the suitability of each of one or more other terminal devices or infrastructure equipment of the wireless telecommunications network to exchange signals with that second terminal device to provide for that second terminal devices another local cell.

Abstract: A terminal device and network infrastructure equipment communicate in accordance with a first radio access technology on a primary cell supporting a primary component carrier on radio resources within a first frequency band and a secondary cell supporting a secondary component carrier on radio resources within a second frequency band. The terminal device is also operable to use radio resources within the second frequency band for communicating in accordance with a second radio access technology, e.g. Wi-Fi. The network infrastructure equipment establishes a configuration of radio resources within the second frequency band for use by the terminal device for communications with the network infrastructure equipment in accordance with the first radio access technology and communicates an indication of this to the terminal device.

Abstract: Communicating in a wireless telecommunications system comprising a communications device and one or more infrastructure equipment, wherein the communications device is configured to communicate with the infrastructure equipment via a first wireless access interface in accordance with a first radio access technology (RAT) and to communicate with the infrastructure equipment via a second wireless access interface in accordance with a second RAT.

Abstract: A method of paging a terminal, by a base station and via a relay node, wherein the terminal is configured to communicate with the base station via the relay node. The method comprises notifying the relay node of a paging identifier for identifying the terminal at least in paging messages; and the base station transmitting a paging message for the terminal. The paging message comprises the paging identifier; the paging message is transmitted at a paging time for a destination identifier; and the method further comprises the relay node monitoring the paging time for the destination identifier for paging messages comprising the paging identifier.

Abstract: A method of transmitting data in a telecommunications system comprising a terminal transmitting a first random access request message to the base station in accordance with the first random access procedure for transmitting the data to the base station, the first random access request message comprising at least part of the data and a first preamble; and upon determination that the use of the first random access procedure has been unsuccessful, the terminal transmitting a second random access request message to the base station in accordance with the second random access procedure for transmitting the data to the base station, the second random access request message comprising a second preamble.

Abstract: A controller is configured to control a first of plural relay nodes to transmit signals representing data to one of communications terminals received from a base station or to receive signals representing data from a communications terminal for transmission to the base station, wherein, upon first predetermined conditions being met, to control a second of the plurality of relay nodes to transmit signals representing the data to the communications terminal received from the base station or to receive signals representing the data from the communications terminal for transmission to the base station, and to control the communications terminal to transmit a first signal representing at least a first part of the data to the first relay node for transmission to the base station, and to transmit a second signal representing at least a second part of the data to the second relay node for transmission to the base station.

Abstract: A terminal device for use in a wireless telecommunications system comprises a transceiver to perform wireless communication with a base station and to obtain system information defining communication parameters from system information data received from that base station; system information storage; and a controller to detect whether the system information storage already holds at least some of the system information applicable to a newly communicating base station and to control the transceiver to obtain any portions of the system information not already held by the terminal device, in which: the system information comprises a plurality of system information blocks; and the controller is configured to detect parts of a system information block stored by the system information storage which are applicable to the newly communicating base station and to obtain other parts of that system information block as a partial system information block from the newly communicating base station.

Abstract: A transmitting node operating with a mobile communications system comprises transmitter circuitry configured to transmit signals representing protocol data units formed from one or more service data units via a wireless access interface of the mobile communications system to a receiving node of the mobile communications system according to an automatic repeat request process, receiver circuitry configured to receive signals from the receiving node via the wireless access interface, controller circuitry configured to control the transmitter circuitry to transmit the signals and to control the receiver circuitry to receive the signals, and a buffer configured to store data conveyed by or representing the protocol data units for transmission to the receiving node according to the automatic repeat request process, wherein each of the protocol data units has a sequence number defining their position in a predetermined order.

Abstract: A terminal device for use with a wireless telecommunications network, the terminal device including a transceiver; and a controller configured to control the transceiver to exchange data with the wireless telecommunications network using one of a first communications service and a second communications service, the first communications service being associated with a first quality of service for exchanging data and the second communications service being associated with a second quality of service for exchanging data. The controller is configured to control the transceiver to establish one of a first set of radio connection states with the wireless telecommunications network and one of a second set of radio connection states with the wireless telecommunications network, and control the transceiver to establish the radio connection state of the first communications service independently of the radio connection state of the second communications service.

Abstract: A communications device acting as a rely device is configured to transmit a buffer status report message indicating that the buffer is storing data received from the infrastructure equipment for transmission to a remote communications device, when predetermined conditions are satisfied or a trigger event occurs so that the transmission of the data to the remote communications device can make more efficient use of communications resources to transmit the data or the remote communications device receives the data when the remote communications device is in a state in which it should receive the data, for example when not in a reduced power state.

Abstract: A base station for transmitting system related information in a mobile telecommunications network. The base station is configured to transmit system information for the cell provided by the base station and to broadcast a version synchronisation signal, wherein the version synchronisation signal provides version information regarding the current version of the system information for the cell.

Abstract: A wireless telecommunications system including a terminal device; first infrastructure equipment operable to communicate with the terminal device using a first radio access technology (RAT) and second infrastructure equipment operable to communicate with the terminal device using a second RAT. During a handover procedure for handover from the first infrastructure equipment as a source master infrastructure equipment to a third infrastructure equipment as a target master infrastructure equipment, the second infrastructure equipment is operable to communicate with the third infrastructure equipment using an interface associated with the second RAT so as to allow information necessary for completing the handover to be exchanged between the first infrastructure equipment and the third infrastructure equipment via the second infrastructure equipment.

Abstract: A method of performing cell reselection by a wireless communications device comprises measuring a signal strength of radio signals received from a serving cell, determining whether the signal strength of the signals received from the serving cell is lower than a first predetermined signal strength threshold, if the signal strength is lower than the first predetermined signal strength threshold measuring a signal strength of a neighbor cell operating on the same frequency as the serving cell to generate signal strength measurements at a first rate, and in accordance with the signal strength measurements of the neighbor cell generated at the first rate determining whether to reselect to the neighbor cell.

Abstract: A mobile telecommunications system anchor base station for a mobile telecommunications system is described. The mobile telecommunications system has at least one anchor cell and at least one slave cell which is associated with the anchor cell. The anchor base station has a circuitry which is configured to transmit system information based on beam information.

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.