Abstract: A method of controlling transmission of a wireless signal in a wireless telecommunications network including a transmitting node, a receiving node, and an Intelligent Reflective Surface (IRS), the transmitting node including a processor operating a first neural network that inputs an input bit sequence and outputs the wireless signal and a transmitter to transmit the wireless signal output by the first neural network, the IRS includes a reflective surface for reflecting the wireless signal transmitted by the transmitter and further includes a processor for applying a phase change to the wireless signal according to a phase shift matrix, and the receiving node includes a receiver for receiving an accumulated wireless signal transmitted by the transmitter and reflected off the reflective surface and a processor operating a second neural network that inputs the received accumulated wireless signal and outputs an output bit sequence.

Abstract: A network node for a wireless telecommunications network, and a method of operating a network node, are disclosed. The wireless telecommunications network includes a first access point having a first transmitter configured to transmit in a first coverage area, and the method can include receiving, from a sensor, data indicative of an object within the first coverage area of the first access point's first transmitter; determining, from the data, that the object is an illegitimate user; and, in response, causing a modification of the first access point so that the object cannot successfully receive a transmission from the first transmitter.

Abstract: This disclosure provides a method of controlling a transmission of a wireless signal in a wireless telecommunications network, the wireless telecommunications network including a transmitter, a multi-layer transmissive Reconfigurable Intelligent Surface (RIS) including a first transmissive RIS layer and a last transmissive RIS layer, and a receiver.

Abstract: A method of determining performance of a Radio Access Network (RAN) of a telecommunications network is disclosed in which the RAN covers an area that is divided into a plurality of unit cells. The method includes receiving a measured performance value of the RAN within at least one unit cell of the plurality of unit cells; receiving a simulated performance value of the RAN within each of the plurality of unit cells; identifying a unit cell that is associated with both a measured performance value and a simulated performance value; calculating, for the identified unit cell, a difference function between the simulated performance value and the measured performance value; and applying the difference function to the simulated performance value of at least one adjacent unit cell to the identified unit cell to determine a modified simulated performance value for the at least one adjacent unit cell.

Abstract: According to the present disclosure there is provided a multiple-input-multiple-output (MIMO) transmitter for transmitting wireless communication signals over a communication channel to a receiver, the transmitter including a digital signal processor configured to perform pre-coding on a plurality Ns of data streams; a plurality NRF of radio-frequency (RF) chains each configured to pass a pre-coded data stream from the digital signal processor to generate a signal representing that data stream; a lens antenna array comprising an array of NT antenna elements; and a selecting unit coupled between the plurality NRF of RF chains and the lens antenna array, the selecting unit including a plurality of separate coupling units each configured to couple a respective RF chain to a selective sub-array of NTBRF antenna elements concurrently for transmitting the signal representing the data stream passed through that RF chain.

Abstract: Systems and methods for operating a cellular telecommunications network. If determining that a first cell of a base station is about to reboot, performing a handover of one or more User Equipments from that cell to a second cell. After the reboot, the user equipment may be handed back to the rebooted cell. If both cells are to reboot, a determination is made to identify which cell's reboot operation is to be prioritized, a handover of the user equipment attached to the prioritized cell to the other cell is made, the prioritized cell is rebooted, all the user equipments are handed over from the non-prioritized cell to the (now rebooted) prioritized cell, the non-prioritized cell is rebooted and the user equipment that was initially attached to the non-prioritized cell is handed over from the prioritized cell back to the now rebooted non-prioritized cell.

Abstract: A method of operating User Equipment (110), UE, the UE being configured to connect to a wireless wide-area cellular telecommunications network (100), said telecommunications network comprising a plurality of radio access points (120, 130), and the method comprising the steps of: identifying, from the plurality of radio access points, a default radio access point for the UE; identifying, from the plurality of radio access points, an alternative default radio access point for the UE, wherein said identifying is performed based on the alternative default radio access point and the default radio access point having been simultaneously available to the UE for wireless connection and wherein the UE is instructed to connect to the default radio access point in preference to the alternative default radio access point; connecting the UE to the default radio access point (210); in response to the UE detecting a subsequent loss of connection with the default radio access point, the UE directly initiating only a connecti

Abstract: This disclosure provides a method, and a network node for implementing the method, of initiating a transfer in a cellular telecommunications network, wherein the cellular telecommunications network comprises a User Equipment (UE) and a base station, wherein the UE includes a camera, the method including storing visual data including a visual representation of at least a part of the base station; receiving visual data captured by the camera of the UE; performing a computer vision operation, trained on the stored visual data, on the captured visual data to determine that the visual representation of the base station or part thereof is present in the captured visual data; and, initiating a transfer of the UE to the base station.

Abstract: A network node for a wireless telecommunications network, and a method of operating a network node, are disclosed. The wireless telecommunications network includes a first access point having a first transmitter configured to transmit in a first coverage area, and the method can include receiving, from a sensor, data indicative of an object within the first coverage area of the first access point's first transmitter; determining, from the data, that the object is an illegitimate user; and, in response, causing a modification of the first access point so that the object cannot successfully receive a transmission from the first transmitter.

Abstract: This invention provides a method, and a network node for implementing said method, of operating a network node to control a first Unmanned Aerial Vehicle, UAV, in a wireless telecommunications network, the method comprising: determining a collision risk for the first UAV; determining a reporting rate for the first UAV based on the collision risk; and sending a reporting rate update message to the first UAV so as to cause the first UAV to report its position at the determined reporting rate.

Abstract: A method of controlling transmission of a wireless signal in a wireless telecommunications network including a transmitting node, a receiving node, and an Intelligent Reflective Surface (IRS), the transmitting node including a processor operating a first neural network that inputs an input bit sequence and outputs the wireless signal and a transmitter to transmit the wireless signal output by the first neural network, the IRS includes a reflective surface for reflecting the wireless signal transmitted by the transmitter and further includes a processor for applying a phase change to the wireless signal according to a phase shift matrix, and the receiving node includes a receiver for receiving an accumulated wireless signal transmitted by the transmitter and reflected off the reflective surface and a processor operating a second neural network that inputs the received accumulated wireless signal and outputs an output bit sequence.

Abstract: This disclosure relates to a method of operating a cellular telecommunications network, the cellular telecommunications network including a first base station for a first mobile network operator, a second base station, and a management node, the management node being configured to determine, based on a tracking area code, whether a base station associated with the tracking area code supports a circuit switched voice service.

Abstract: This disclosure provides a method in a cellular telecommunications network, wherein the cellular telecommunications network includes a first transceiver providing a first access connection in a first spectrum range, and a second transceiver providing a second access connection in a second spectrum range, the method including determining that a trigger condition for reconfiguring the second transceiver has been met; and, in response, evaluating a plurality of candidate transition options, wherein each transition option includes transferring users from the second spectrum range to the first access connection, and, following the transferring, reconfiguring the second transceiver, wherein the evaluation is based on a user impact of the transition; selecting a transition option based on the evaluation; causing the transfer of users from the second spectrum range according to the selected transition option; and causing the reconfiguration of the second transceiver according to the selected transition option.

Abstract: This disclosure provides a method in a cellular telecommunications network, wherein the cellular telecommunications network includes a first transceiver configured to provide a first access connection for a first mobile network operator in a first spectrum range and a second transceiver configured to provide a second access connection for a second mobile network operator in a second spectrum range, the method including determining that a condition for initiating spectrum sharing has been met, wherein the condition for initiating spectrum sharing is based on a capacity demand for the first mobile network operator exceeding a capacity available for the first mobile network operator and/or a peak rate demand for the first mobile network operator exceeding a maximum peak rate available for the first mobile network operator; in response to the determination, identifying a spectrum sharing solution in which: the first transceiver is configured to provide the first access connection for the first mobile network oper

Abstract: A reflective surface for directing wireless communications signals that includes a plurality of independently reconfigurable elements disposed irregularly on the surface is disclosed. A method of controlling a communication channel of a wireless communication system that includes the reflective surface having an irregular element arrangement is also disclosed.

Abstract: This disclosure provides a method of operating a base station in a cellular telecommunications network, the base station having a central base station unit and a distributed base station unit, wherein the central base station unit and distributed base station unit communicate over a fronthaul link, and the cellular telecommunications network further includes a User Equipment (UE) consuming a service via the base station in which communications between the central base station unit and UE utilize configurable error mitigation technique.

Abstract: This disclosure provides a method of operating a cellular telecommunications network, wherein the cellular telecommunications network includes a first transceiver providing a first access connection, a second transceiver providing a second access connection, and a third transceiver providing a third access connection, wherein the first and second transceivers are co-located, the method including determining that the third transceiver should enter energy saving mode; in response to the determination: causing reconfiguration of the first transceiver to reduce its transmission power, causing reconfiguration of the second transceiver so as to increase its transmit power of the second access connection and to compensate for the third transceiver.

Abstract: This disclosure provides a method of operating a base station in a cellular telecommunications network, and a base station unit for implementing the method, the base station having a central base station unit and a distributed base station unit, wherein the central base station unit and distributed base station unit communicate over a fronthaul link having a first and second capacity configuration, and the cellular telecommunications network further includes a User Equipment (UE) consuming a service via the base station.

Abstract: A method of determining performance of a Radio Access Network (RAN) of a telecommunications network is disclosed in which the RAN covers an area that is divided into a plurality of unit cells. The method includes receiving a measured performance value of the RAN within at least one unit cell of the plurality of unit cells; receiving a simulated performance value of the RAN within each of the plurality of unit cells; identifying a unit cell that is associated with both a measured performance value and a simulated performance value; calculating, for the identified unit cell, a difference function between the simulated performance value and the measured performance value; and applying the difference function to the simulated performance value of at least one adjacent unit cell to the identified unit cell to determine a modified simulated performance value for the at least one adjacent unit cell.

Abstract: A base station for communication with a plurality of mobile terminals in a mobile communications network is disclosed. The base station includes a plurality of transmitters, in which each transmitter is configured to provide a transmit radio signal to a distinct space when compared to the other transmitters. A first transmitter is configured to provide to a first space, a transmit radio signal carrying a multicast service. A second transmitter is configured to provide to a second space, distinct from the first space, a transmit radio signal carrying a unicast service, and the second space shares a first boundary with the first space.