Abstract: A method is disclosed which is performed in a transmitter device configured for transmission of measurement signals for beam selection. The method comprises determining a collection of linear combinations of transmission beams, wherein the transmission beams are of a set of available transmission beams. A cardinality, R, of the collection of linear combinations of transmission beams is lower than a cardinality, N, of the set of available transmission beams. Each transmission beam in the set of available transmission beams is comprised in at least one linear combination of transmission beams, and at least one of the linear combinations of transmission beams comprises less than all transmission beams of the set of available transmission beams. The method also comprises transmitting measurement signals to a receiver device, wherein each of the measurement signals corresponds to a linear combination of transmission beams from the collection of linear combinations of transmission beams.

Abstract: There is disclosed a method of operating a measuring radio node in a wireless communication network, the method includes transmitting signaling based on delay spread information, the delay spread information being based on and/or representing delay spread associated to received reference signaling. There are also disclosed related devices and method.

Abstract: Embodiments of the present disclosure provide a method, a transmitter node, a receiver node, and a computer program product for communication of information in a communication channel comprising at least one main band and an adjacent guard band. The method is performed by a transmitter node in a wireless communication network. The method comprises determining whether to transmit information in the guard band based one or more configured transmission parameters associated with the transmitter node. Upon determination to transmit information in the guard band, the method comprises determining transmission power for frequency resources allocated in the guard band based on a spectral mask defining a power density limit across an allocated frequency range. The method further comprises transmitting first information on the frequency resources allocated in the guard band and second information on frequency resources allocated in the main band to a receiver node according to the determined transmission power.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes communicating using a first set of one or more signaling beams, wherein communicating includes performing beamforming for one or more signaling beams of the first set based on a set of beam signaling characteristics. Each beam signaling characteristic pertains to a reference beam. The disclosure also pertains to related devices and methods.

Abstract: There is disclosed a method of operating a signaling radio node in a wireless communication network. The method includes communicating utilising a signaling beam, the signaling beam being one of a first set of M beams represented or representable by a beam matrix F, wherein the signaling beam is determined based on a beam selection process utilising a second set of N beams represented or representable by a training matrix G, wherein N<M. The disclosure also pertains to related devices and methods.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes communicating using a selected signaling beam from a set of signaling beams, the selected signaling beam being selected based on a delay characteristic and a beam signaling characteristic of the signaling beams of the set of signaling beams. The disclosure also pertains to related devices and methods.

Abstract: A method of beamforming calibration is disclosed for a multi-antenna transceiver configured to communicate with one or more other transceivers. The multi-antenna transceiver has a plurality of transceiver chains connectable to respective antenna elements of the multi-antenna transceiver. Each transceiver chain comprises a transmitter path and a receiver path. The method comprises (for each transceiver chain) feeding an analog signal from the transmitter path to the receiver path via connection circuitry between the transmitter path and the receiver path to provide a digital calibration signal, and determining a beamforming calibration factor for the transceiver chain based on the digital calibration signal. Corresponding apparatus, multi-antenna transceiver, wireless communication node, and computer program product are also disclosed.

Abstract: Embodiments of the present disclosure provide a method, a transmitter node, a receiver node, and a computer program product for communication of information in a communication channel comprising at least one main band and an adjacent guard band. The method is performed by a transmitter node in a wireless communication network. The method comprises determining whether to transmit information in the guard band based one or more configured transmission parameters associated with the transmitter node. Upon determination to transmit information in the guard band, the method comprises determining transmission power for frequency resources allocated in the guard band based on a spectral mask defining a power density limit across an allocated frequency range. The method further comprises transmitting first information on the frequency resources allocated in the guard band and second information on frequency resources allocated in the main band to a receiver node according to the determined transmission power.

Abstract: There is disclosed a method of operating a transmitting radio arrangement in a wireless communication network, the transmitting radio arrangement utilising a first beam pair and a second beam pair for communicating with a radio node, the method including transmitting first signaling on the first beam pair and second signaling on the second beam pair, the first signaling and/or second signaling comprising an extend guard interval. The disclosure also pertains to related devices and methods.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network, the method comprising communicating utilising a first beam pair based on a timing indication, the timing indication being based on first signaling received utilising the first beam pair and second signaling received utilising a second beam pair.

Abstract: A method of beamforming calibration is disclosed for a multi-antenna transceiver configured to communicate with one or more other transceivers. The multi-antenna transceiver has a plurality of transceiver chains connectable to respective antenna elements of the multi-antenna transceiver. Each transceiver chain comprises a transmitter path and a receiver path. The method comprises (for each transceiver chain) feeding an analog signal from the transmitter path to the receiver path via connection circuitry between the transmitter path and the receiver path to provide a digital calibration signal, and determining a beamforming calibration factor for the transceiver chain based on the digital calibration signal. Corresponding apparatus, multi-antenna transceiver, wireless communication node, and computer program product are also disclosed.

Abstract: A method of operating a radio node in a wireless communication network includes communicating utilising signaling. The communication of the utilising signaling is based on performing pulse-shaping pertaining to the signaling. The pulse-shaping is based on a first pulse-shaping parameter beta. Other related devices and methods are disclosed.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes communicating using a selected signaling beam from a set of signaling beams, the selected signaling beam being selected based on a delay characteristic and a beam signaling characteristic of the signaling beams of the set of signaling beams. The disclosure also pertains to related devices and methods.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes communicating using a selected signaling beam from a set of signaling beams, the selected signaling beam being selected based on a delay characteristic and a beam signaling characteristic of the signaling beams of the set of signaling beams. The disclosure also pertains to related devices and methods.

Abstract: There is disclosed a method of operating a measuring radio node in a wireless communication network, the method includes transmitting signaling based on delay spread information, the delay spread information being based on and/or representing delay spread associated to received reference signaling. There are also disclosed related devices and method.

Abstract: There is disclosed a method of operating a measuring radio node in a wireless communication network, the method includes transmitting signaling based on delay spread information, the delay spread information being based on and/or representing delay spread associated to received reference signaling. There are also disclosed related devices and method.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes communicating using a first set of one or more signaling beams, wherein communicating includes performing beamforming for one or more signaling beams of the first set based on a set of beam signaling characteristics. Each beam signaling characteristic pertains to a reference beam. The disclosure also pertains to related devices and methods.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes transmitting pulse-shaped signaling based on a pulse-shaped waveform using a transmission power, the transmission power being based on an Error Vector Magnitude (EVM) parametrisation for pulse-shaped signaling. The disclosure also pertains to related devices and methods.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes transmitting pulse-shaped signaling based on a pulse-shaped waveform using a transmission power, the transmission power being based on an Error Vector Magnitude (EVM) parametrisation for pulse-shaped signaling. The disclosure also pertains to related devices and methods.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes communicating using a first set of one or more signaling beams, wherein communicating includes performing beamforming for one or more signaling beams of the first set based on a set of beam signaling characteristics. Each beam signaling characteristic pertains to a reference beam. The disclosure also pertains to related devices and methods.