Abstract: Infrastructure equipment forming part of a wireless communications network configured to receive data from a communications device via a communications channel between the infrastructure equipment and the communications device. The infrastructure equipment comprises circuitry configured to receive, from the communications device, a request for a resource allocation, to receive one or more reference symbols from the communications device, to estimate based on the received reference symbols, for each of a plurality of resource units, RUs, of the communications channel, a signal to interference and noise ratio, SINR, sequence of the communications channel, and to perform a first transform followed by a second transform on the SINR sequence to produce a cepstrum of the SINR sequence, the second transform being an inverse of the first transform, and to encode and to transmit the cepstrum to the communications device.

Abstract: A method of transmitting data by a terminal device operating in a wireless communications system comprising a non-terrestrial network access node and the terminal device, comprises the terminal device receiving an indication of an initial value of a set of one or more communications parameters for transmitting radio signals carrying the data, and modelling a state of a communications channel from the terminal device to a non-terrestrial network access node, in which a link adaptation procedure is used to select a revised value of the set of the one or more communications parameters with respect to the initial value of the set of the one or more communications parameters for the modelled channel state, and the method includes adapting the value of the set of the one or more communications parameters according to the revised value.

Abstract: A method of operating an infrastructure node in a wireless communications system is provided. The method comprises detecting that downlink messages for a communications device to decode should be transmitted by the node in one or more of a plurality or temporally spaced paging occasions, and determining that a wake-up signal (WUS) should be transmitted by the node to the communications device in advance of each of the one or more paging occasions which comprise the downlink messages for the communications device to decode, determining that a time since a most recent transmission of a signal which can be used by the communications device to re-synchronise with the node is greater than a predetermined threshold and transmitting, in response to determining that the time since the most recent transmission from the infrastructure equipment to the communications device is greater than the predetermined threshold, a preamble signal to the communications device.

Abstract: A method for operating an infrastructure equipment forming part of a wireless communications network is provided. The infrastructure equipment is a non-terrestrial network part of the wireless communications network configured to transmit one or more spot beams to provide a wireless access interface for transmitting signals to and receiving signals representing data from a communications device within a coverage region of a cell or one of the spot beams, the spot beam forming a cell. The method comprises broadcasting system information for receipt by the communications device, the system information including information relating to at least one of a cell or a spot beam of a neighbouring infrastructure equipment and a second spot beam of the infrastructure equipment, wherein the system information is broadcast in accordance with at least one predetermined condition.

Abstract: A communication device (40) includes a communication unit (41) and a control unit (45). The communication unit (41) monitors a physical broadcast channel (PBCH) to receive a signal. The control unit (45) determines which one of first CORESET configuration and second CORESET configuration is to be applied to perform communication based on one or more bits included in the signal received on the PBCH.

Abstract: A transmitter for transmitting data to communications devices via a wireless access. The transmitter including modulator circuitry configured to receive modulation symbols of a segment and to rotate each modulation symbol by an angle dependent on a choice of modulation scheme, and receive each of the segments of rotated modulation symbols and for each segment to separate real and imaginary components of the rotated modulation symbols for the segment and to interleave the real components of the rotated modulation symbols of the segment differently to the imaginary components of the rotated modulation symbols of the segment. The circuitry also is configured to recombine the real and imaginary interleaved components of the rotated modulation symbols of each segment and to form from the real and imaginary components modulation cells.

Abstract: A receiver for detecting and recovering payload data from a received signal comprises a radio frequency demodulation circuit, a detector circuit and a demodulator circuit. The radio frequency demodulation circuit detects the received signal. The received signal carries the payload data as OFDM symbols in one or more of a plurality of time divided frames, each frame including a bootstrap signal, a preamble signal and a plurality of sub-frames. The demodulator circuit detects bootstrap OFDM symbols to identify communications parameters for detecting the fixed length signalling data, detects the fixed length signalling data to identify the communications parameters for detecting the variable length signalling data, detects the variable length signalling data, and uses the fixed and variable length signalling data to detect the payload data.

Abstract: A communications device is configured to transmit and/or receive signals via a wireless access interface provided by a mobile communications network. The wireless access interface comprising a plurality of transmission units each comprising one or more communications resource elements formed by dividing a system bandwidth in time and frequency. One or more transmission units are configured to form combined transmission units, which can be allocated to communications devices for receiving or transmitting signals. The communications device is configured to receive an indication of a combined transmission unit providing one or more of the transmission units for the communications device, and receive an indication for each of the one or more transmission units of the combined transmission unit of whether the transmission unit is for transmitting signals, whether the transmission unit is for receiving signals or whether the transmission unit is not to be used for transmitting or receiving signals.

Abstract: A method of controlling communications within a wireless communications network is provided. The method comprises receiving, at a first infrastructure equipment acting as a donor node connected to a core network part of a wireless communications network, signals representing data from one or more others of infrastructure equipment, the data having been received at the one or more others of the infrastructure equipment from one or more communications devices or from other infrastructure equipment, and transmitting, by the first infrastructure equipment, the data from the one or more others of the infrastructure equipment to the core network part of the wireless communications network. At least one of the infrastructure equipment uses at least one spectral efficiency enhancing technique to receive the signals, the at least one spectral efficiency enhancing technique allowing the at least one infrastructure equipment to receive the signals in the backhaul communications link.

Abstract: A transmitter for transmitting payload data and emergency information using data symbols in a single-carrier or multi-carrier broadcast system comprises a modulator configured to modulate one or more transmission symbols with signaling data for use in detecting and recovering the payload data at a receiver and to modulate one or more transmission symbols with the payload data. An emergency information receiver receives emergency information carrying information of an actual emergency. An emergency information embedder embeds emergency information into one or more transmission symbols, wherein the emergency information is embedded within a predetermined time period after its reception by using a resource used for carrying signaling data and/or payload data if no emergency information shall be transmitted. A transmission unit transmits the transmission symbols.

Abstract: A method of transmitting data by a terminal device operating in a wireless communications system comprising a non-terrestrial network access node and the terminal device, comprises the terminal device receiving an indication of an initial value of a set of one or more communications parameters for transmitting radio signals carrying the data, and modelling a state of a communications channel from the terminal device to a non-terrestrial network access node, in which a link adaptation procedure is used to select a revised value of the set of the one or more communications parameters with respect to the initial value of the set of the one or more communications parameters for the modelled channel state, and the method includes adapting the value of the set of the one or more communications parameters according to the revised value.

Abstract: A infrastructure equipment is provided. The infrastructure equipment forms part of a wireless communications network configured to receive data from a communications device via a communications channel between the infrastructure equipment and the communications device. The infrastructure equipment comprises transceiver circuitry to transmit signals to and to receive signals from the communications device, and controller circuitry.

Abstract: An infrastructure equipment of a wireless communications network is configured to act as a first relay node by determining an allocation of a first set of communications resources by the infrastructure equipment acting as a first relay node for another infrastructure equipment acting as a second relay node, the communications resources for transmitting uplink data from a first communications device to an infrastructure equipment connected to a core network part of the wireless communications network acting as a donor node, the allocation of the first set of communications resources for the other infrastructure equipment acting as the second relay node being based upon a donor set of communications resources allocated by the donor node for communicating the uplink data from the first communications device to the donor node via the infrastructure equipment acting as the first relay node.

Abstract: A method for operating an infrastructure equipment forming part of a wireless communications network, which includes a base station and a non-terrestrial network part, the non-terrestrial network part transmitting a plurality of spot beams to provide a wireless access interface for transmitting signals to and receiving signals representing data from a communications device within a coverage region formed by a first of the spot beams. The method comprises receiving assistance information from the communications device, identifying, based on the received assistance information, that a backup configuration should be updated to indicate one or more others of the spot beams, the one or more others of the spot beams being backups to the first spot beam in case of beam failure of the first spot beam, and transmitting a backup beam reconfiguration message to the communications device, the backup beam configuration message comprising an indication of the updated backup configuration.

Abstract: A method for transmitting data by a communications device in a wireless telecommunications network comprising a base station and a non-terrestrial network part, the method comprising determining that data is to be transmitted by the communications device to the base station via the non-terrestrial part, in response to the determining, selecting a random access preamble from a group of random access preambles, each of the random access preambles of the group being associated with one or more resource pools of communications resources for transmitting data, and transmitting the selected random access preamble.

Abstract: A method of operating a terminal device and a plurality of network access nodes, wherein the method comprises: establishing first wake-up signalling configuration information for a first network access node; establishing second wake-up signalling configuration information for a second network access node; and monitoring for signalling transmitted by the first network access node in accordance with the first wake-up signalling fomiat and monitoring for signalling transmitted by the second network access node in accordance with the second wake-up signalling format, and seeking to decode a subsequent paging message in response to detecting wake-up signalling in accordance with either the first wake-up signalling format or the second wake-up signalling format.

Abstract: A method of controlling communications within a wireless communications network is provided. The method comprises receiving, at a first infrastructure equipment acting as a donor node connected to a core network part of a wireless communications network, signals representing data from one or more others of infrastructure equipment, the data having been received at the one or more others of the infrastructure equipment from one or more communications devices or from other infrastructure equipment, and transmitting, by the first infrastructure equipment, the data from the one or more others of the infrastructure equipment to the core network part of the wireless communications network. At least one of the infrastructure equipment uses at least one spectral efficiency enhancing technique to receive the signals, the at least one spectral efficiency enhancing technique allowing the at least one infrastructure equipment to receive the signals in the backhaul communications link.

Abstract: A method of operating a first non-terrestrial network part supporting a plurality of spot beams providing corresponding coverage areas in a wireless telecommunications network, the method comprising: communicating with a communications device in a first coverage area associated with a first spot beam of the first non-terrestrial network part: identifying a new coverage area for the communications device, the new coverage area corresponding to a coverage area of a second spot beam different from the first spot beam, and implementing a mobility procedure for the communications device; wherein, if the second spot beam is supported by the first non-terrestrial network part, the mobility procedure is a first mobility procedure and if the second spot beam is supported by a second non-terrestrial network part different from the first non-terrestrial network part the mobility procedure is a second mobility procedure different from the first mobility procedure.

Abstract: A method of transmitting data by a transmitter to a receiver in a wireless communications network. The method comprises receiving data for transmission to the receiver via a communications channel, dividing the data into portions for transmission, receiving, for each of the portions of data, an indication of channel information from the receiver for use by the transmitter in determining values for one or more communications parameters with which the portion of data should be transmitted, determining the values for the one or more communications parameters based on the received channel information, dynamically generating, for each of the portions of data, a waveform representative of the portion of data, and transmitting each of the portions of data, using the generated waveform representations and in accordance with the values of the one or more communications parameters, to the receiver.

Abstract: A method comprising controlling a receiver of a communications device to reduce a power consumption in accordance with a discontinuous reception, DRX, off period in which no signals representing scheduling information are received via a physical downlink control channel when in a connected mode and in which the communications device can reduce a power to the receiver, controlling the receiver of the communications device to increase the power consumption so as to detect whether or not signals from a group control channel have been received by the receiver either during the DRX off period or during a first time slot of a DRX on period in which signals representing scheduling information may be transmitted by the wireless communications network via the physical downlink control channel and in which the communications device may increase the power to the receiver.