Abstract: Provided is a low capability device (UE) active in a communication system comprising a plurality of satellites (Si, Sj) insuring a temporally continuous communication coverage for the low capability device (UE), said satellites being further grouped in families (S1x), satellites of a same family (S1x) sharing same and common access information, said device (UE) comprises a power saving module to send to the serving satellite (S11), during a first data session, a next access request for a next or continued data session with time indications including at least a desired next time interval to be granted for communication. Other embodiments disclosed.

Abstract: A user equipment device for use in a cellular radio communication system, comprising a radio frequency, herein RF, front end, which is configured for RF communication with a base station node of the cellular radio communication system, a communication controller, which is configured to control operation of the RF front end wherein the communication controller is configured to establish an operative signalling connection with a first subscriber identity module, herein SIM, which comprises first subscriber identity information associated with a first subscriber identity, herein first identity to establish an operative signalling connection with a second SIM, which comprises second subscriber identity information associated with a second subscriber identity, herein second identity, that is different from the first identity upon establishing the operative signalling connection with the second SIM, to establish an instance of a protocol stack and to provide to the base station node identity-bundling capability inf

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: Provided is a method for a user equipment operating by means of a base station in a cellular network, the user equipment being configured to transmit data packets with a higher and with a lower priority. It includes sending a in a first message a lower priority data packet, receiving a HARQ non-acknowledgement response from the base station, in case the transmission of at least one higher priority data packet becomes due since the step of sending the lower priority data packet, and sending a second message containing an element being indicative to discontinue transmission of the lower priority data packet to the base station, in response receiving a response message from the base station.

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 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: 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: The present invention relates to a method for operating a wireless communication device in a cellular network, the wireless communication device comprising a communication unit and a controlling appliance, interconnected by a control interface, the communication unit comprising a network access manager unit, the method comprising for the communication unit the steps of: —receiving from the cellular network a network access guidance —handling the received network access guidance at the network access manager unit, —as part of handling the network access guidance, interpreting the received network access guidance and providing information relating to the network access guidance resulting from said interpretation step to the controlling appliance, —ascertaining by means of the control interface from the controlling appliance a response relating to said network access guidance, —handling in the network access manager unit the response relating to said network access guidance.

Abstract: The present invention relates to a mobile communication device for communicating with a cellular network by means of a serving base node, the mobile communication device further being connected to a subscriber identity module, the mobile communication device being configured to operate in a power optimization mode wherein the power optimization mode comprises extended paging periods, and the mobile communication device is further configured to set up a communication context with the base node using authentication means of the subscriber identity module, wherein the mobile communication device is further configured, in case of detection of a removal of the subscriber identity module and when the power optimization mode is activated: to send an removal alert message to the serving base node by means of said communication context, afterwards to terminate the communication context.

Abstract: A method for a wireless terminal communicating with a base station of a cellular network, the terminal operating in enhanced coverage mode and configured to set up a communication session with the base station by means of at least one of a direct communication link and a sidelink communication link using a second wireless terminal. The method comprises: determining a quality of the direct communication link with the base station, determining a quality of a communication link to a second wireless terminal capable of communicating with the base station, initiating transmission of a link quality message to the base station, the link quality message comprising information relating to the quality of the communication link, receiving a response from the base station indicating if the direct communication link or the sidelink communication link is to be used, requesting a communication session via the indicated communication link.

Abstract: A method for operating a wireless communication device in association with a first base station comprises: determining further suitable base stations. In case at least one suitable second base station characteristically different from the first base station is found, checking if a cell identifier of the second base station is listed in a neighbor cell list received from the first base station, and checking signaling power of the second base station. The second base station is rated as a fake base station if measured signaling power is significantly higher than the signaling power of the first base station, and the cell identifier of the second base station is not listed in the neighbor cell list. If the rating of the second base station as a fake base station is above a predetermined threshold: deleting second base station from a list of suitable base stations.

Abstract: A system and method for transmitting a provisioning dataset from a cellular network to a user equipment. The cellular network includes a plurality of base nodes providing access to the user equipment, a remote provisioning server accessible by the cellular network, and a core network, including at least two network slices. At least one of the network slices includes at least one network node exclusively assigned to the network slice. At least one of the network slices is dedicated for operating a predefined class of user equipment. At least one remote provisioning network slice includes an assigned network node giving access to the remote provisioning server, and at least one base node assigned to the remote provisioning network slice.

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 data transmission from a wireless device to a base node, the base node is part of a cellular network and is configured to support frequency division multiple access method, the bandwidth receivable by the base node comprising a plurality of subcarriers, the wireless device is camping on the base node, the method comprises the steps of: —for the base node, assigning to the wireless device a subcarrier of the plurality of subcarriers, —transmitting data from the wireless device to the base node for the period of at least one data service session using only the assigned subcarrier, whereby using for said data transmission a first modulation scheme on the assigned subcarrier different from the modulation scheme used for more than one of the plurality of the subcarriers by at least one second wireless device camping on said base node.

Abstract: The present invention relates to a method for transmission of a data packet in a cellular network between a transmitting node and a receiving node, the receiving node being configured to receive data packets from the transmitting node, the transmitting node supporting at least one frequency band composed of a plurality of carriers, the method comprising for the transmitting node the step of transmitting to the receiving node a plurality of data transmissions of the data packet according to a predetermined redundancy level, whereby the first of the plurality of data transmissions is transmitted in a resource area addressed by a scheduling occurrence, and the rest of the plurality of data transmissions are transmitted in the same resource area as the first data transmission, and each data transmission is transmitted on a different carrier.

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: A method for data transmission in a cellular network to a wireless device, the wireless device being assigned to a group of low capability devices. The cellular network comprises a plurality of base nodes, including an active base node, which is the base node the wireless device is currently associated to, wherein a data connection with the wireless device is established. The active base node is configured to downlink communicate on a frequency band comprising a plurality of frequency blocks comprising a plurality of subcarriers. The method comprises: the active base node transmitting data to the wireless device in a frequency block, being during a scheduling period the only frequency block providing data to said wireless device, submitting the data dedicated for the wireless device in one first subframe of the frequency block, followed by at least one second subframe without data dedicated to the wireless device.

Abstract: A method for operating a wireless communication device in a cellular network comprises the steps of: determining power consumption criteria for at least one first time period containing at least one data transmission, carrying out a data transmission session, in case that after said data transmission session the wireless communication device has changed from a first base node to a second base node of the cellular network: determining power consumption criteria for at least one second time period containing at least one data transmission on a second base node, comparing power consumption criteria of the first time period with power consumption criteria of the second time period, carrying out a cell reselection to the first base node, in case at the first time period the determined power consumption criteria indicate a lower power consumption than at the second time period.