Abstract: Inter-alia, a method is disclosed comprising: obtaining at least two sets of sample measurements, wherein a respective set of sample measurements thereof is indicative of one or more signals that are observable by an antenna, wherein a respective set of sample measurements of the at least two sets of sample measurements is measured with a respective antenna of at least two antennas, and wherein the two antennas have a distance from one another and are comprised by or connectable to an apparatus; determining time-of-arrival, TOA, difference information indicative of a TOA difference between the at least two sets of sample measurements, wherein the TOA difference information is determined based, at least in part, on at least two sets of sample measurements, the determining comprising checking whether the TOA difference reflects said distance between the at least two antennas. Corresponding apparatus, computer program and system are further disclosed.

Abstract: A method, including obtaining, in a sidelink communication, an information about a resource on which a terminal transmits a reference signal; measuring a received power on the resource; providing an information on the received power; and using the information to mitigate cross link interference.

Abstract: An apparatus, method and computer program is described comprising: receiving downlink positioning signals from each of a plurality of communication nodes of a mobile communication system at a user device of the mobile communication system, wherein each downlink positioning signal is received from a downlink beam direction for the respective communication node; determining an angle of arrival and/or a time of arrival for each of the received downlink positioning signals; and determining an uplink positioning signal beam configuration based, at least in part, on the determined angle of arrival and/or the determined time of arrival for said received downlink positioning signals.

Abstract: Example embodiments relate to machine learning based digital pre-distortion for power amplifiers. A device may amplify a signal with a power amplifier and transmit the signal. The signal may be received by an internal feedback receiver of the device. The device may further comprise a first machine learning model configured to emulate an external feedback receiver and to generate an emulated feedback signal based on the internal feedback signal. The device may further comprise a second machine learning model configured to determine digital pre-distortion parameters for the power amplifier based on the emulated feedback signal. Apparatuses, methods, and computer programs are disclosed.

Abstract: A method comprises: determining, from an indication that an initial uplink beam between a user equipment and a network node is misaligned with respect to a downlink beam between the network node and the user equipment, at least one misalignment angle between the initial uplink beam and the downlink beam; and reconfiguring the uplink beam based on the misalignment angle to produce a reconfigured uplink beam.

Abstract: Methods, apparatuses, and computer programs are provided for SRS for positioning resource overhead reduction in multi-RTT. A method for a UE includes receiving an initial configuration of a plurality of sounding reference signal for positioning resources; measuring a downlink positioning reference signal received from one or more cells; determining one or more transmission beams based on reception beams used for receipt of the downlink positioning reference signal from the one or more cells; wherein the determining of the one or more transmission beams comprises a reduction of at least one beam resource associated with a sounding reference signal for positioning; and transmitting an updated sounding reference signal for positioning configuration with information about the determined one or more transmission beams. Methods are also provided for a radio node and for an LMF.

Abstract: Systems, methods, apparatuses, and computer program products for cross link interference (CLI) sounding reference signal (SRS)-reference signal received power (RSRP) measurement conditions reporting are provided. One method may include providing, to a serving network node, capability information indicating at least UE's capability to search for SRS timing, receiving SRS configuration in a measurement request from the serving network node, performing, by the UE, at least one SRS RSRP measurement as specified in the SRS configuration, and reporting, to the serving network node, CLI SRS RSRP measurement results.

Abstract: There is provided a method in a network node, the method comprising: obtaining adjacent channel leakage ratio information on an uplink user equipment, UE, regarding first and second adjacent frequency bands, wherein the network node is configured to communicate in frequency-division duplexing mode with a plurality of UEs, comprising the uplink UE and a downlink UE, the first frequency band configured for uplink communication between the network node and the uplink UE and the second frequency band configured for downlink communication between the network node and the downlink UE; obtaining channel condition information regarding the downlink UE indicating channel condition associated with the first frequency band and channel condition associated with the second frequency band; adapting guard band between the first and second adjacent frequency bands based on the adjacent channel leakage ratio information and the channel condition information.

Abstract: Various communication systems may benefit from selectively monitoring alternative links. In certain example embodiments, an apparatus may comprise at least one processor and at least one memory including computer program code. The at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to determine that at least one obstacle has entered at least one predefined region and transmit to at least one network entity at least one indication comprising at least one predicted-power back off (P-PBO) value. The at least one memory and the computer program code are further configured to, with the at least one processor, cause the apparatus to generate at least one predictive-PBO report (P-PBOR) and transmit the at least one P-PBOR to the at least one network entity.

Abstract: A method for identifying potentially interfering devices is provided. The method may include receiving, by a first base station, an information element comprising information for identifying location of a first device with respect to the first base station, and sending a request to a second base station. The request may include location information on the basis of the received information element. The method may include receiving, in response to the request, an identifier of at least one further device, and transmitting the identifier of the at least one further device to the first device for interference measurements.

Abstract: Apparatus for receiving radio frequency, RF, signals, comprising at least two antenna panels, wherein each of the at least two antenna panels is configured to provide a respective received signal with an associated frequency spectrum, wherein the apparatus is configured to apply a frequency shift to at least one of the received signals such that center frequencies of at least two adjacent frequency spectra comprise a predetermined frequency distance from each other.

Abstract: A method may include determining an uplink loss metric for an uplink communication path from a user equipment to a base station in a wireless network based at least on an uplink transmit beam for the user equipment and an uplink receive beam for the base station; determining a downlink loss metric for the downlink communication path from the base station to the user equipment based at least on a downlink transmit beam for the base station and a downlink receive beam for the user equipment; and determining, based on the uplink loss metric and the downlink loss metric, an uplink/downlink beam correspondence misalignment for the user equipment that indicates that the uplink transmit beam for the user equipment is misaligned with the downlink receive beam for the user equipment. For example, see FIGS. 5-6.

Abstract: Systems, methods, apparatuses, and computer program products for GIS-NR beamforming for mmWave. For example, certain embodiments may provide for beam realignment, through which a serving network node may be able to re-position its beam towards a UE without the UE explicitly measuring and signalling to the network node the need for realignment. Instead of performing the traditional UE-based exhaustive beam search, the serving network node may proactively switch the beam in an attempt to track the UE movements. The serving network node may do this by corroborating information from two types of sources: 1) a set of neighbor mobile or fixed network nodes and 2) a geographic information system (GIS).

Abstract: A base station in a wireless network receives, from a UE in the wireless network, a message indicating the UE requests a gap for the UE to perform self-calibration of full-duplex communication. The base station determines the gap for the UE to use to perform the self-calibration of full duplex communication and sends indication of the gap toward the user equipment. The UE sends a message indicating the UE requests a gap in order for the UE to perform self-calibration of full duplex calibration. The UE receives, from the base station, indication of the gap. The UE performs the self-calibration of full duplex calibration using the gap.

Abstract: In accordance with an example embodiment of the present invention, a method comprising: receiving, by a user equipment of a communication network, a request from a network node to use at least two beam configurations of multiple different beam configurations for the user equipment; measuring, by the user equipment, downlink received power on at least one reference signal using the at least two beam configurations; sending, by the user equipment on an uplink, information of at least two downlink received powers and at least one reference signal using the at least two beam configurations; receiving, by the user equipment, signaling from the network node comprising an indication of beam correspondence assessment from the network node; and adjusting, by the user equipment, uplink beam with reference to a downlink beam based on the received indication of beam correspondence assessment.

Abstract: Apparatus for transmitting and/or receiving radio frequency, RF, signals, particularly for a mobile radio device for a wireless communications system, particularly a cellular communications system, said apparatus comprising a primary antenna module having a first radiation pattern, at least one secondary antenna module having a second radiation pattern, which is different from said first radiation pattern, and a control unit configured to selectively activate and/or deactivate said primary antenna module and/or said at least one secondary antenna module.

Abstract: Systems, methods, apparatuses, and computer program products for cross link interference (CLI) sounding reference signal (SRS)-reference signal received power (RSRP) measurement conditions reporting are provided. One method may include providing, to a serving network node, capability information indicating at least UE's capability to search for SRS timing, receiving SRS configuration in a measurement request from the serving network node, performing, by the UE, at least one SRS RSRP measurement as specified in the SRS configuration, and reporting, to the serving network node, CLI SRS RSRP measurement results.

Abstract: A method for a user equipment includes determining full duplex capability and metric thresholds during cell search or attachment to a base station and reporting these to the base station; when in an RRC-connected state, dynamically sending reports of the metric conditions to the base station; and receiving instructions, based on the reports of the metric conditions, to communicate with the base station in one of a full duplex mode and a time division duplex mode. A method for a base station includes receiving a full duplex capability and metric thresholds from a user equipment; when in an RRC-connected state, initially scheduling the user equipment for communications in a time division duplex mode; receiving reports of metric conditions dynamically from the user equipment; and sending instructions, based on the reports, to the user equipment to communicate in one of a full duplex mode and a time division duplex mode.

Abstract: There is provided a method in a network node, the method comprising: obtaining adjacent channel leakage ratio information on an uplink user equipment, UE, regarding first and second adjacent frequency bands, wherein the network node is configured to communicate in frequency-division duplexing mode with a plurality of UEs, comprising the uplink UE and a downlink UE, the first frequency band configured for uplink communication between the network node and the uplink UE and the second frequency band configured for downlink communication between the network node and the downlink UE; obtaining channel condition information regarding the downlink UE indicating channel condition associated with the first frequency band and channel condition associated with the second frequency band; adapting guard band between the first and second adjacent frequency bands based on the adjacent channel leakage ratio information and the channel condition information.

Abstract: According to an example aspect of the present invention, there is provided a method, comprising: receiving, by a first base station, an information element comprising information for identifying location of a first device with respect to the first base station; sending a request to a second base station, the request comprising location information on the basis of the received information element; receiving, in response to the request, an identifier of at least one further device; and transmitting, the identifier of the at least one further device to the first device for interference measurements.