Abstract: A system is disclosed in which a mobile telephone provides information to a communication system comprising a plurality of base stations. The mobile telephone establishes its current mobility state, determines whether the current mobility state should be sent to the communication system, generates information identifying its current mobility state if it is determined that the current mobility state should be sent to the communication system, and sends the information identifying its current mobility state to at least one of the plurality of base stations.

Abstract: The invention provides for a method for use in a mobile radio communications device network connection procedure and including the step of, at a network, sending to a mobile radio communications device a list of a plurality of security algorithms supported in the network and so as to allow choice of a suitable algorithm irrespective of the degree of update that the device may have experienced.

Abstract: The present invention provides for a mobile radio communications device arranged to operate according to a first radio access technology for communication in a mobile radio communications network, and according to a second radio access technology, and to related network device and methods of operation, whereby radio measurements taken by the mobile radio communications device in relation to the first radio access technology can be polluted by coexistence interference from the second radio access technology, the mobile radio communications device being arranged to indicate to the network its capability of providing enhanced radio measurements taken while experiencing pollution by coexistence interference prior to any such provision and, if to be provided, to include interference information.

Abstract: A communications system is provided. A network device (9) controls the setting up of a device to device communication link, as sent between a device in the core network (7) and the base station(s) (5) servicing the relevant mobile devices (3), including disclosure of the common security information for two mobile devices to communicate securely over the direct device to device communications link.

Abstract: A mobile communications system is described in which the network configures a mobile relay node that is mounted in a moving vehicle (such as a train) with expected tracking area information for the route along which the vehicle is expected to travel. UEs associated with the mobile relay node are provided with the list and do not perform tracking area updates if the movement of the vehicle corresponds to the stored list. Where advance knowledge of the route is not available, the mobile relay node is configured with a fixed tracking area and a fixed radio cell so that associated UEs do not detect a change in the tracking area or in the radio cell and so do not perform tracking area updates towards the network or the network does not need to control the UEs mobility while having a radio connection with the network.

Abstract: The invention provides for a method of MBMS bearer control in a mobile radio communications network by way of NAS signaling, the method including employing a NAS signal for the control of a plurality of MBMS bearers and so as to allow for bearer establishment, reconfiguration and release in a signal step.

Abstract: A method for measuring network operation related parameters in a mobile communication network with a core network and a radio-access network, preferably in form of a LTE- or UMTS-network, includes the steps of a) configuring an entity in the mobile communication network for measuring including network operation related parameters to be measured, b) selecting a measuring entity, c) measuring the network operation related parameters by the measuring entity, and d) analyzing the measured parameters wherein a filtering is performed prior to step d), wherein the filtering is performed on an entity in the radio access network of the mobile communication network and wherein the filtering reduces the amount of data of the measured network operation related parameters for step d). A system for measuring network operation related parameters is also described.

Abstract: There is provided a mobile radio communications network device (402) operative to collect network performance measurements and to select at least one mobile radio communications device (400) from which network performance measurements are to be collected if at least one parameter of the at least one mobile radio communication device (400) corresponds to at least one specified selection parameter. The at least one specified selection parameter is data identifying at least one mobile radio communication device characteristic. There are also provided a signal to be employed by such a network device, a mobile radio communications device operative for configuration by such a network device, related methods of such devices, and a related mobile radio communications system.

Abstract: The invention provides for a mobile radio communications device for communication within a packet data network and arranged for transmitting dedicated bearer set-up signalling to the network as part of a network attachment procedure, the device further being arranged to store the said dedicated bearer set-up signalling and to transmit or retransmit the same responsive to the success of attach complete signalling.

Abstract: The invention provides for a mobile radio communications device for communication within a packet data network and arranged for transmitting dedicated bearer set-up signalling to the network as part of a network attachment procedure, the device further being arranged to store the said dedicated bearer set-up signalling and to transmit or retransmit the same responsive to the success of attach complete signalling.

Abstract: The invention provides for a method for use in a mobile radio communications network connection procedure and including the step of rejecting at a mobile radio communications device a handover request from a network responsive to determination of support of the security algorithm associated with the handover, and for a mobile radio communications device arranged to determine support of security algorithms as proposed by the network, preferably at AS level, within a handover command, and to provide notification to the network of rejection of the connection due to non-support of the algorithm.

Abstract: A communication system is described in which an MBMS service is provided by unicast or broadcast/multicast communication in dependence on whether the number of mobile communication devices indicating an interest in receiving the service is below or above a broadcast threshold. An improved procedure for counting the number of mobile communication devices interested in receiving the MBMS service is also disclosed.

Abstract: A communication system is described in which a mobile communication device receives MDT configuration requests from a base station or radio network controller to initiate an MDT measurement session for obtaining measurement data and location related data for identifying a location to which said measurement data relates. The mobile communication device checks a user consent indicator in memory and only provides the location related data if the user consent indicator indicates that a user of the mobile communication device consents to the provision the location related data.

Abstract: A method of managing trace sessions in a network, wherein each trace session is assigned a Trace ID and a specific trace collection entity TCE (5) from a plurality of TCEs (5) disposed inside the network for storing the related measurements of the trace session, is characterized in the steps of partitioning the space of the Trace ID such that each partition is associated to one or more of the plurality of TCEs (5), encoding a partition ID inside the Trace ID, and mapping the partition ID to a specific TCE (5) from the plurality of TCEs (5). Furthermore, a corresponding trace session management system is described.

Abstract: The present invention provides for a mobile radio communications device, and related method of operation, arranged for closed subscriber group selection and for the storage of closed subscriber group information in the device, the stored information including information configured as a whitelist of closed subscriber group identities delivered between non-access-stratum layer and access-stratum layer within the device, and the device being further arranged to remove a previous user-selected closed subscriber group identity from the whitelist responsive to the device connecting to a cell is different from that identified by the previous user-selected closed subscriber group identity, and which different cell can comprise for example a non-CSG cell.

Abstract: A cellular communications system is provided in which a user device maintains and provides a last non-emergency security context to a core network when moving from a network that provided restricted services to a network that provides unrestricted services. In this way, re-authentication of the user device can be avoided in the network that provided unrestricted services.

Abstract: A method of controlling switching between dedicated radio resources of a mobile radio communications network includes providing, using a first radio bearer (RB), a first service to a mobile radio communications device within the network, receiving, from the mobile radio communications device, a message indicating a desired change of service and sending a Radio Resource Control (RRC) message to the mobile radio communications device, the RRC message serving to initiate both release of the first radio bearer, and set-up of a second radio bearer to provide a second service to the mobile radio communications device, the second service being different from the first service.

Abstract: Disclosed is a method of providing network security within a mobile radio communications network and including creating a security context for communications between a mobile radio communications device and the network, the security context being created responsive to an input parameter such as the downlink NAS count, and the method further including, as part of each initial handover attempt, controlling the parameter so as to apply a version of the parameter different from a previous version, for example as incremented downlink NAS count, and preferably independently of network signaling messages.

Abstract: The invention provides for a method for use in a mobile radio communications network connection procedure and including the step of rejecting at a mobile radio communications device a handover request from a network responsive to determination of support of the security algorithm associated with the handover, and for a mobile radio communications device arranged to determine support of security algorithms as proposed by the network, preferably at AS level, within a handover command, and to provide notification to the network of rejection of the connection due to non-support of the algorithm.

Abstract: The invention provides for a method for use in a mobile radio communications device network connection procedure and including the step of, at a network, sending to a mobile radio communications device a list of a plurality of security algorithms supported in the network and so as to allow choice of a suitable algorithm irrespective of the degree of update that the device may have experienced.