Abstract: Provided is a method for a method to operate a base station being part of a cellular network, the base station being configured for conducting a preconfigured periodical uplink communication schedule with at least one user equipment. The base station negotiates with the user equipment for setting up the preconfigured periodical uplink communication schedule. A downlink data flag indicating if the user equipment is prepared to receive downlink data in conjunction with at least one preconfigured periodical uplink communication occasion is received. Network resources are allocated at a time synchronized with the preconfigured periodical uplink communication schedule of a data transmission as part of a preconfigured periodical uplink communication occasion. Other embodiments are disclosed.

Abstract: A method for transmitting system information items from a base station of a cellular network to first and second user equipment. The first user equipment is a first type of user equipment and the second user equipment is a second type of user equipment, different from the first type. Upon reception of a request for system information from the first and second user equipment, the base station collects a subset of the system information items considering the type of user equipment in a set of system information messages for the respective type of user equipment, and provides each of said set of system information messages to the requesting user equipment. At least one system information item is collected in the set of system information messages for the first type of user equipment, and is lacking in the set of system information messages for the second type of user equipment.

Abstract: Provided is a method to operate a user equipment operating in a cellular network different from the user equipment's home cellular network, the user equipment being configured to carry out, following a periodic home network scan cycle, a measurement attempt to the home cellular network, the user equipment operating in a reduced activity mode, comprising reduced measurement activity time periods, comprising the step of comparing the periodic home network scan cycle with the reduced activity mode's reduced measurement activity time period, in case the periodic home network scan cycle is shorter than the reduced measurement activity time period, amending the periodic home network scan cycle.

Abstract: Herein provided is a method for operating a base station of a cellular network. The base station serves user equipment camping thereon, or connected thereto, and agrees with the user equipment to a periodic dedicated prescheduled uplink transmission schedule. Upon determining that an uplink occasion of that schedule is missed by the user equipment, the user equipment is considered as unavailable for communicating at said uplink occasion in relation with the base station. If it is considered unavailable, it instead maintains a presently active dedicated prescheduled uplink transmission schedule. Otherwise it cancels the presently active dedicated prescheduled uplink transmission schedule. Other embodiments are disclosed.

Abstract: A method for a user equipment operating in a cellular network having a plurality of base stations, the user equipment operating on at least one of the base stations, hereinafter the serving base station, for the case of a communication loss to its serving base station, whereby the conditions relating to the serving base station or the corresponding frequency fulfills the criteria concerning jamming. The method includes the steps of: scanning for accessible base stations of the cellular network, examining the at least one base station being identified through the scanning step, by means of signalling message, evaluating the response behavior of the at least one base station, wherein in consideration of the response behavior of at least one of said base station if said base station is rated as suspicious: indicating a jamming situation, otherwise camping on at least one of the base stations.

Abstract: The present invention relates to a method for data transmission from a first user equipment to a base station of a cellular network, where the first user equipment is camping on under coverage enhancement conditions, the first user equipment being communicatively connected to at least one second user equipment via a device-to-device communication channel, wherein for the data transmission of at least one data packet, the method comprises the steps for the first user equipment of: transmitting the at least one data packet to the at least one second user equipment via the device-to-device communication channel, instructing the at least one second user equipment to transmit the at least one data packet time-synchronized with the first transmission to the base station.

Abstract: The present invention relates to a method for operating a user equipment maintaining a normalized transmission power value, indicating the maximum transmission power of the transmitting circuitry of the user equipment, further comprising the step for the user equipment of: receiving a predetermined sufficient power level to be achieved at the base station receiver from the base station, deriving a pathloss value from signals received from the serving base station, determining a signal power value out of the normalized transmission power value of the user equipment and the pathloss value, and when the determined signal power value level is lower than a predetermined sufficient power level at the base station: performing a cell re-selection to another base station.

Abstract: The present invention relates to a method for operating a user equipment with a base station assigned to at least two core networks in co-existence mode of a cellular network, the user equipment operating in a data communication mode with direct connection termination in the at least one core network, the method comprising the steps for the user equipment of:—camping on a base station with access to at least two core networks of different technology standards,—receiving a transmission from said base station indicating available radio resources of the first and of the second core network,—selecting the core network which is appropriate for said envisaged connection,—sending a connection request for envisaged connection to the base station using parts of said indicated radio resources belonging to the selected core network,—receiving a response indication from the base station.

Abstract: A method for a base node of a cellular network for signalling system information items in one or more system information blocks, wherein at least one system information block is transmitted only for a limited period of time lasting at least one broadcast modification period, hereinafter the on-demand system information provisioning period, the base node further signalling a primary block periodically. The method incudes: —signalling during a broadcast modification period in the primary block one first information element indicating whether in one system information item of one signaled system information block a content change appeared in comparison with the signaled system information blocks signaled prior to the broadcast modification period, and —signalling during the on-demand system information provisioning period in the primary block one second information element indicating a change in system information block scheduling compared to the scheduled system information prior to the provisioning period.

Abstract: A method for securing a direct communication connection between a first and a second user equipment, both configured to operate with base stations of a wireless network, in which the first user equipment maintains an authentication code received from a first security center accessible via the wireless network, said first security center being assigned to a first area, the method comprising the steps for the first user equipment of: maintaining a trust level of the authentication code, reducing the trust level relating to the time of last access to one of the base stations of the wireless network, submitting to the second user equipment the authentication code and the trust level, for setting up the direct communication connection, and in case of reception of a confirmation transmission from the second user equipment: setting up the direct communication connection with the second user equipment.

Abstract: User equipment communicates by means of a primary base node and at least one secondary base node of a cellular network that are respectively assigned to different radio access networks. The user equipment sends a first message comprising its available capabilities to the primary base node, and receives a first indication from the primary base node relating to the capabilities being used by the primary base node. It sends a second message to the secondary base node, comprising those capabilities not being used by the primary base node. and receives a second indication from the secondary base node relating to the capabilities being used by the secondary base node. It sends a third message with still unused capabilities to the primary base node. and initiates a communication link with a remote terminal by means of the primary and the secondary base nodes using the configured capabilities.

Abstract: A method for operating a user equipment in a cellular network, the cellular network comprising a plurality of base stations, wherein at least one base station is configured to maintain neighbor relation data, wherein the user equipment is operating with an active base station in narrowband communication category, the method including, for the user equipment—receiving from the active base station a measurement instruction message, the measurement instruction message containing at least one restriction parameter relating to at least one of a reporting time indication and a minimum power level indicator,—receiving a connection release message,—measuring signals from at least one neighbor base station considering the at least one restriction parameter, and, on occasion of a reconnection—transmitting at least one neighbor measurement report to the active base station.

Abstract: A method for a user equipment maintaining a first set of configuration parameters includes: measuring strength of signals transmitted by a first base station, measuring strength of signal transmitted by at least one of a set of neighbor base stations operating in unlicensed spectrum, determining a second set of configuration parameters corresponding to the cellular network for a second base station in a set of neighbor base stations, by retrieving said set of configuration parameter from said second base station, considering the second base station for cell re-selection when: the measured signal strength for the second base station is higher than said measured signal strength of first base station, and said determined second set of configuration parameters corresponds to said first set of configuration parameters, and carrying out a cell selection to said second base station when these conditions are met.

Abstract: A method for selection of a network slice by a user equipment operating in a cellular network includes the steps of: receiving, from at least one of a plurality of base stations, a signalling indicating a set of quality of service values supported by at least one of the base stations, determining at least one supported network service for respective base stations, prioritizing the base stations by means of said determined supported network service in consideration of at least one out of the list of preferred network services, selecting one of the base stations considering said prioritization of frequencies, and to set up a preferred network service: sending a network slice selection message indicating a quality of service value relating to the network service, sending an attach request via the serving base station to the network mobility unit.

Abstract: Disclosed is a method to operate a wireless device, comprising a communication unit, in a wireless cellular network comprising at least two radio access networks, the communication unit being configured to communicate to a network node of the wireless cellular network, the network node being associated to a first radio access network. The method comprises the steps for the communication unit of: detecting if a second radio access network of said wireless cellular network fulfills a predefined set of access parameters, wherein the second radio access network supports a different access technology than the first radio access network. If the second radio access network fulfills said set of access parameters: sending a connection release indication to the network node, receiving from the network node a connection release confirmation message, sending a connection request message to the wireless cellular network with selection of said second radio access network.

Abstract: The present invention relates to a method for positioning of a user equipment operating in a cellular network, the user equipment being configured to ascertain location information of base stations of the cellular network. The method comprises the steps of: obtaining cell specific reference signals from a serving base station and at least one other base station, obtaining from the serving base station a synchronization indication relating to time synchronization among the serving base station and the at least one other base station, determining a time difference of arrival of the reference signals of at least two base stations that are time synchronized, and determining a position of the user equipment based on the location information of the respective base stations and the determined time differences of arrival.

Abstract: The present invention relates to a user equipment configured to operate in a cellular network comprising a plurality of base stations, the user equipment comprising a communication unit and a control unit, wherein the communication unit is capable of operating in a specialized transmission mode with one of the plurality of base stations being capable of supporting said specialized transmission mode, in case of detection of a suitable base station, the communication unit is configured when operating in non-registered mode to: —decode an information signal received from said detected base station, the information signal indicating if said base station supports said specialized transmission mode, —camp on said base station, if said specialized transmission mode is supported, or —otherwise provide a message indicating non-support of specialized transmission mode support to the control unit.

Abstract: The present invention relates to a method for controlling at least one measurements by a base node of a cellular network, the base node serving at least one low-capability wireless terminal in an open connection in coverage enhancement mode, the method comprising the steps of: determining the coverage enhancement level of said wireless terminal, estimating a measurement time for carrying out said at least one measurement taking into account said coverage enhancement level, sending a measurement request message in conjunction with a suspend connection message to the wireless terminal, providing a resume indication to the wireless terminal considering said estimated measurement time, and retrieving at least one measurement response message from the wireless terminal comprising the at least one requested measurement.

Abstract: The present invention relates to a method for operating a wireless device in a cellular network, the wireless device operating with a base node of the cellular network, the method comprises upon noticing a barring indication received from the base node at the wireless device the step of suppressing access to the base node under the conditions: the wireless device is operating in an intensive use mode and the wireless device is operating in a non-privileged service.

Abstract: A method for data transmission between a user equipment operating in a cellular network, and a control terminal accessible from the cellular network. The user equipment operates in a communication connection to the control terminal by means of first and second wireless carriers, with one of the control terminal and the user equipment acting as transmitting apparatus, and the other as receiving apparatus. The transmitting apparatus sends content as a first data packet over the first wireless carrier and as a second data packet over the second wireless carrier. The receiving apparatus attempts to receive the first data packet over the first wireless carrier and the second data packet over the second wireless carrier, and sends over the first and second wireless carriers a message indicating whether at least one of the first and second data packet was successfully received.