Abstract: A method, system, network node and wireless device are disclosed. In one or more embodiments, A network node configured to communicate with a wireless device is provided. The network node includes processing circuitry configured to: determine a short DRX configuration based at least on a delay value constraint associated with the wireless device, and transmit an indication of the short DRX configuration and a long DRX configuration where the short DRX configuration corresponds to a shorter cycle length than a cycle length of the long DRX configuration.

Abstract: Methods and apparatuses are disclosed for layer reduction criteria. In one embodiment, a network node is configured to determine a number of multiple-input multiple-output, MIMO, layers for a wireless device, WD, the determined number of MIMO layers being adjusted as compared to a maximum number of MIMO layers for the wireless device based at least in part on at least one parameter associated with at least one of the wireless device and the network node; and signal an indication of the determined number of MIMO layers to the wireless device. In one embodiment, a wireless device is configured to receive an indication of a number of multiple-input multiple-output, MIMO, layers, the indicated number of MIMO layers being adjusted as compared to a maximum number of MIMO layers for the wireless device based at least in part on at least one parameter associated with at least one of the wireless device and a network node.

Abstract: Radio alignment of downlink and uplink channels between a wireless device and a multi-antenna base station. A method performed by a network node comprises obtaining downlink channel data, wherein the downlink channel data comprises: estimates of a plurality of downlink channels each associated with a downlink reference signal being received from one of the antennas at the wireless device, and time synchronization information associated with each of the downlink channels; obtaining uplink channel data, wherein the uplink channel data comprises: estimates of a plurality of uplink channels each associated with an uplink reference signal being received at one of the antennas from the wireless device, and time synchronization information associated with each of the uplink channels; comparing the downlink channel data and the uplink channel data to determine whether the downlink channel and uplink channel between the wireless device and the multi-antenna base station are aligned.

Abstract: A wireless device configured to perform a 2-step random access, RA, procedure transmits (802) a message according to the 2-step RA procedure, the message comprising a first random access preamble. The wireless device receives (804), during a RA response window following the transmitting of the message, a Medium Access Control, MAC, subheader. Using one or more bits or fields included in the received subheader, the wireless device determines (806) that it should take action according to any one of the following: backing off, according to a back-off parameter, for a subsequent RA attempt according to the 2-step RA procedure; falling back to a 4-step RA procedure by transmitting a new RA preamble; and falling back to a 4-step RA procedure after backing off according to a back-off parameter, by transmitting a new random access preamble after the back-off.

Abstract: Methods, apparatus and non-transitory machine-readable mediums are provided for wireless access in communications networks comprising radio access network nodes and wireless light communication network nodes. In one embodiment, a method is performed by a radio access network node for selecting a transmit or receive beam for communication with a wireless device in a communication network. The radio access network node comprises a plurality of antenna elements configurable to provide a plurality of transmit or receive beams. The communication network further comprises one or more wireless light communication, LC, network nodes.

Abstract: A method for synchronization in a wireless system. In the method, a physical broadcast channel (PBCH) includes one or more bits, wherein the one or more bits indicate additional system information when a frequency of the wireless system is within a frequency range up to a predefined frequency and indicate a location of a slot group in a synchronization signal burst set when the frequency of the wireless system is above the predefined frequency, and wherein the slot group comprises at least one synchronization signal block and the synchronization signal burst set includes the slot group.

Abstract: A method and antenna system for achieving remote electrical tilt by a hybrid use of analog and digital phase shifting are disclosed. According to one aspect, a hybrid remote electrical tilt (HRET) antenna system includes a digital beamformer configured to apply a first set of at least one phase shift to each antenna subarray of at least one group of at least one antenna subarray. The at least one phase shift is determined to suppress sidelobes when a beam is steered to an elevation by the digital beamformer. The HRET antenna system also includes at least one analog phase shifter configured to apply a second set of at least one phase shift to at least one antenna subarray of each group of at least one antenna subarray so that a combined phase shift applied to each antenna element steers the beam to the elevation while suppressing the sidelobes.

Abstract: A computer-implemented method for analyzing issues in a cellular network is provided. The cellular network includes a plurality of cells, including source cells and neighbor cells. The method includes building a network graph representing features of the cells. The method includes identifying, using the network graph, sub-graphs for each source cell indicating a network issue. The method includes, for each network issue of the source cell for each sub-graph, ranking each feature. The method includes, for each source cell, training, using a feature set identified, a first machine learning (ML) model. The method includes training a second ML model, using patterns identified by each cluster, to classify an unidentified pattern of one or more neighbor cells contribution to the source cell network issue and identify root cause information for the issue.

Abstract: A method for root cause analysis in a network comprising a set of nodes Ni for i=1 to N, where N>2. The method includes obtaining N sets of KPI data, each one of the N sets of KPI data being for one of the N nodes. The method also includes, for each one of the N nodes, using the set of KPI data associated with the node to generate feature vectors for the node. The method also includes generating relationship data using the feature vectors, the generated relationship data, indicating relationships between the nodes within the set of N nodes. The method also includes inputting to a GNN the generated relationship data and the feature vectors. The method also includes obtaining from the GNN information indicating that at least node Nj is a candidate root cause node and at least node Nk is a candidate victim node, where k?j.

Abstract: Methods performed by wireless devices and network nodes for conditional mobility procedures are disclosed. A method performed by a wireless device comprises receiving a conditional mobility configuration from a source network node containing at least a triggering condition for conditional mobility based on beam measurement information; and performing beam measurements for at least one beam of at least one cell, to obtain beam measurement information for the at least one beam. A method performed by a network node comprises defining a conditional mobility configuration containing at least a triggering condition for conditional mobility based on beam measurement information; and initiating the transmission of the conditional mobility configuration to at least one user equipment. Also disclosed are base stations and wireless devices configured to perform the methods.

Abstract: A descriptor of a network service is determined. The descriptor may be used for controlling management of a network service, such as instantiation or updating of the network service. The descriptor comprises multiple constituents. Further, the descriptor is provided with information on version dependency between at least two of the multiple constituents.

Abstract: A method executable at a user device for assisted execution of a primary activity is suggested, wherein the method comprise: acquiring biological data of a first user; adapting, based on the biological data, at least one biological behavior model, associated with a sequence of phases, constituting at least one primary phase and a preparatory phase preceding the primary phase, upon detecting a trigger to adapt at least one of the at least one biological behavior model; providing, based on the at least one adapted version of the at least one biological behavior model and the acquired biological data, updated guidance on execution of the sequence of phases.

Abstract: A mobile network analytics system (30) for improving or enhancing the service quality of communications for Unmanned Aerial Vehicles (UAVs) (50) operating in a mobile communications network is provided herein. The system collects service quality information (e.g., service type and related Key Performance indicators (KPIs)) for the different services used by the UAVs. The system also collects the altitudes of the UAVs providing the service quality information. Based on this information, the system estimates the service quality for a given 3-Dimensional (3D) area of space (60, 62) as a function of the 3D location of the UAVs (i.e., latitude, longitude, and altitude of the UAVs). The determined service quality is provided to a UAV flight control system (40) to facilitate the dynamic optimization of a given UAV's flight path, thereby improving the service quality of communications for the given UAV.

Abstract: There is provided a method of operating a communication device of a communications network. The method comprises receiving (300) a first signal from a network node of the communications network, determining (302) a communication parameter from the first signal, and receiving (304) multicast radio bearer (MRB) communications from the network node using the communication parameter.

Abstract: A bias circuit for a PA. A first transistor has its drain terminal and its gate terminal connected to a first circuit node and its source terminal connected to a first supply terminal, a first current source connected to the first circuit node, and a first resistor connected between the first and second circuit nodes. A second transistor receives a first component of a differential input signal to the PA at its gate terminal, has its drain terminal connected to the second circuit node and its source terminal connected to a second supply terminal, and a third transistor receives a second component of the differential input signal to the PA at its gate terminal, having its drain terminal connected to the second circuit node and its source terminal connected to a second supply terminal. The gates terminals of the second and third transistors are biased by a first voltage.

Abstract: The invention refers to a method performed by a control plane, CP, functional part (415) of a base station, the method comprising establishing a transport network layer, TNL, association with a network function (440B) that supports a plurality of user plane, UP, functional parts of first base station; transmitting to the network function a request message (701) comprising information for selecting a first UP functional part among the plurality of UP functional parts; and receiving, in response to the request message, a response message (703) transmitted by the network function, wherein the response message comprises an identifier of the first UP functional part. The invention further refers to corresponding methods performed by the UP functional part, the network function, and to a corresponding base station.

Abstract: There is provided a method performed by an encryption node for provisioning storage in a system. The encryption node is associated with an application node and the application node is configured to run at least part of one or more applications. In response to an unencrypted storage volume becoming available to the encryption node from a storage provisioning node of the system, an encrypted storage volume is generated (20) from the unencrypted storage volume and provisioning of the encrypted storage volume is initiated (22) to make the encrypted storage volume available at a compute node of the system for use by the application node.

Abstract: The embodiments herein relate to a method performed by a server device for handling media data streams. The sever device obtains multiple streams of source media data of varying resolution each having multiple source frames. Each source frame is divided into a plurality of tiles. The server device selects a subset of tiles from least one of the streams of source media data. The selected subset of tiles is comprised in an output frame. The server device determines layout information for the selected subset of tiles in the output frame. The layout information comprises scale, source tile index and output tile index.

Abstract: A method performed by a user device having a multiple connectivity configuration with a plurality of radio links to a plurality of network nodes in a radio communication network is provided. The user device can determine a change occurred in an amount of uplink data available for transmission in a first uplink buffer of the user device on a first radio link of a plurality of radio link to first network node. Responsive to the change, the user device can trigger a buffer status report for transmission to a second network node of the plurality of network nodes on a second radio link of the plurality of radio links for which a change in an amount of uplink data available for transmission in a second uplink buffer was not determined. A method performed by the first network node is also provided.

Abstract: A method implemented by a network node in a communication network is provided. The method comprises: assigning a radio network temporary identity (RNTI) comprised in one of a first number of groups corresponding to an aggregation level to a user equipment (UE) associated with the one group; wherein for the first number of UEs, different UEs are associated with different groups corresponding to different control channel elements (CCEs). In the present disclosure, the number of OFDM symbols used for the PDCCH can be reduced, thereby increasing cell throughout since less PDCCH resource implies more PDSCH resources, and decreasing PDCCH blind detection duration and UE power consumption.