Abstract: The present invention provides a method of transmitting data to a receiving entity, the method comprising establishing a plurality of transmission channels to the receiving entity, the transmission channels being established using more than one radio access technology; for each transmission channel determining a buffer status of a data buffer containing data to be transmitted using that transmission channel; and determining if transmission capacity is available in a packet data unit of a first radio access technology and if such transmission capacity is available determining whether data may be taken from a data buffer of a transmission channel of a second radio access technology and transmitted to the receiving entity in the packet data unit.

Abstract: The present invention provides a method of managing a connection of a user equipment, UE, device to a core network, the UE device being capable of establishing a connection to the core network using a mobile communication system network and of establishing a connection to the core network via a network other than the mobile communication system network, the method comprising having established a first connection to the core network via the network other than the mobile communication system network, in response to receiving a request from a base station of the mobile communication system to establish a second connection to the base station via the network other than the mobile communication system network, informing the core network of a temporary suspension of the first connection and storing context information of the first connection for a future resumption of the first connection.

Abstract: The present invention provides a method of reducing interference caused by an aerial vehicle in a mobile communications system, the method comprising arranging for the aerial vehicle to steer radio transmissions when the aerial vehicle is airborne such that a direction of the transmissions is adjusted to be directed vertically downward.

Abstract: A method for a user equipment, UE, device to perform measurements in order to assess network performance, including minimization of drive test, MDT, measurements. Configuration information is received at the UE, the configuration information providing information for controlling service specific measurements and for controlling tagging of measurement reports by the UE with at least one of a service flow identifier and an indication that the measurement relates to one of a single service data flow and a multiplicity of service data flows.

Abstract: The invention provides a method performed by a home public land mobile network, PLMN, of controlling access of a user equipment, UE, device to a non-home PLMN when the UE device has an access to a non-trusted network and thereby a connection with the home PLMN via an interworking function entity, the method comprising in the event of the UE device requesting an attachment to the non-home PLMN, making in the home PLMN a decision as to whether control of the UE device should be handed over to the non-home PLMN; and communicating the decision to the non-home PLMN.

Abstract: The present invention provides a method of distributing public warning messages to a subscriber of a cellular communications system, the method comprising storing in a database information connecting a cellular device of the subscriber to at least one messaging service receivable by a device other than the cellular device; and in the event that a public warning message is to be broadcast to an area in which the cellular device of the subscriber is located, transmitting a warning message to the subscriber using the at least one messaging service to the device other than the cellular device.

Abstract: The present invention provides a method for providing public warning messages to a first user device associated with a second user device, the method comprising storing information connecting the first and second user devices to a single user identity and a preference of a user of the first and second user devices as to whether public warning messages which have been determined to be relevant for one of the first and second user devices should be transmitted to the other one of the first and second user devices; in the event of an event giving rise to an authority issuing a public warning alert, determining if at least one of the first and second devices is in an area indicated to be an area of relevance for the public warning alert.

Abstract: The present invention provides a method of enabling a provision of public warning system, PWS, messages to a user equipment, UE, device via a non-3GPP radio network, the method comprising establishing an internet protocol security, IPSec, tunnel connection from the UE device to a non-3GPP interworking function, N3IWF, via a non-3GPP, N3GPP, radio access technology, requesting from a first core network, CN, entity a provision of public warning system, PWS, messages; and providing the first CN entity with information about a location of the UE device.

Abstract: The present invention provides a method of operating a user equipment, UE device in communication with a non-terrestrial communication system comprising a plurality of transmission points, the method comprising in the UE device triggering a transmission of a measurement report dependent on a measurement by the UE device of a received signal parameter (1) of a signal received from a transmission point of the system and a comparison of the measured parameter with a threshold (2), the threshold varying according to a predetermined function dependent on an expected position of the UE device with respect to the transmission point.

Abstract: The invention provides a method of providing feedback from a plurality of base stations of a single frequency network to a user equipment device to indicate if a data transmission has been received successfully, wherein a positive acknowledgement of successful receipt is transmitted using a first feedback resource and a negative acknowledgement of unsuccessful receipt is transmitted using a second feedback resource, the first and second feedback resources being mutually orthogonal.

Abstract: The present invention provides a method of performing by a UE device a random access attempt in a communication system comprising at least one non-terrestrial transmission station, the method comprising receiving reference signals transmitted by the non-terrestrial transmission station; determining from the received reference signals a trip time between the UE device and the non-terrestrial transmission station; and using the trip time to control the random access attempt.

Abstract: The present invention provides a method of selecting an optimal communication routing between a UE and a core network wherein a plurality of differing communication paths are establishable between the UE and the network. Duplicate packets are transmitted over two communication paths and a latency difference determined between the two paths. This latency difference is used to select a communication path for subsequent communication.

Abstract: The present invention provides a method for enabling a wearable device connected to a user equipment device to be identified and authenticated within a mobile communications network, the method comprising attaching both the user equipment device and the wearable device to the mobile communications network by means of a single registration request communicated by the user equipment device to the mobile communications network.

Abstract: A method for controlling access to a radio channel in a single frequency network in which multiple base stations transmit the same data simultaneously to a user equipment, UE device, includes a first plurality of base stations transmitting a set of random access parameters of the single frequency network. The method also includes a second plurality of base stations receiving a random access preamble transmitted by the UE device. The second plurality of base stations the same or a subset of the first. The method also includes transmitting responses to the random access preamble from a third plurality of bases stations. The third plurality of base stations the same as or a subset of the second. The method also includes a fourth plurality of base stations receiving a scheduled transmission in response to the responses. The fourth plurality of base stations the same as or a subset of the third.

Abstract: The present invention provides a method of establishing a wireless communication link between two infrastructure nodes in a wireless communication system, the method comprising at a user equipment, UE, device receiving a link establishment request message transmitted by a first node; obtaining information relating to a position of the first node; and transmitting a message to a second node informing the second node of the position of the first node to assist in establishing the link between the first and second nodes.

Abstract: The present invention provides a mobile communication system sub-network comprising a macrocell base station, and a plurality of small cell base stations, the plurality of small cell base stations being in wireless communication with the macrocell base station, wherein each small cell base station is either in direct connection with the macrocell base station or is in connection with the macrocell base station via one or more other small cell base stations, wherein the macrocell base station is arranged to configure a UE device having a RRC connection to the macrocell base station with candidate small cell base station information for enabling the UE device to switch autonomously between small cell base stations, and wherein the macrocell base station is arranged to configure the small cell base stations with small cell base station configuration information.

Abstract: A method for controlling access to a radio channel in a single frequency network in which multiple base stations transmit the same data simultaneously to a user equipment, UE device, includes a first plurality of base stations transmitting a set of random access parameters of the single frequency network. The method also includes a second plurality of base stations receiving a random access preamble transmitted by the UE device. The second plurality of base stations the same or a subset of the first. The method also includes transmitting responses to the random access preamble from a third plurality of bases stations. The third plurality of base stations the same as or a subset of the second. The method also includes a fourth plurality of base stations receiving a scheduled transmission in response to the responses. The fourth plurality of base stations the same as or a subset of the third.

Abstract: The present invention provides a method of determining a transmission time interval length to be used for communications between a user equipment device and a base station in response to a new service request, wherein the transmission time interval length is selected dependent on a timing advance value to be used by the user equipment device for communication with the base station.

Abstract: The invention provides a method of controlling a mobile communication network, the method comprising, an uplink controlling entity, in response to reception quality measurement reports sent by a plurality of reception points within the mobile communication network following a transmission of data by a user equipment device, the reception quality measurement reports being responsive to the reception of the transmission, configuring the reception points within the mobile communication network such that each of the multiple reception points is configured to exhibit a participation behaviour with respect to at least one of subsequent measurement reporting and payload reporting with regard to transmissions from the user equipment device, the participation behaviour being dependent on the reception quality measurement report.

Abstract: The invention provides method in a mobile communication system of transmitting data wherein the data is transmitted using a modulation and coding scheme, MCS, which is reconfigurable over a MCS re-configuration cycle length and wherein the data is transmitted using a reconfigurable transmit time interval, TTI, length, the MCS reconfiguration cycle length and the TTI length being different from each other.