Abstract: Slave units of a mobile communication system each determine (S907), out of a predefined sliding codebook of Q unique radio frame configurations, a radio frame configuration for communicating with user equipments, and transmit (S907), to a master unit of a cluster which the slave units belong to, a request to use the determined radio frame configuration. The predefined sliding codebook comprises sub-codebooks each grouping together radio frame configurations of the Q unique radio frame configurations, that share the same downlink-to-uplink subframe ratio but with a phase offset of the radio frame configurations.

Abstract: Disclosed is a method comprising providing to a machine learning model, as an input, a channel estimation or a plurality of raw pilots, obtaining, from the machine learning model, as an output, a label indicating a channel model, wherein the channel model is representative of channel conditions, based on the label, determining a waveform associated with the channel conditions, indicating the waveform to the receiver, and performing the transmission to the receiver using the waveform.

Abstract: According to an example embodiment, a method comprises: obtaining at least one prototype radio channel model; extracting at least one statistical parameter model based at least on the at least one prototype radio channel model, wherein the at least one statistical parameter model corresponds to at least one parameter of the at least one prototype radio channel model; generating at least one synthetic radio channel model realization based at least on the at least one statistical parameter model; and training a wireless model using the at least one synthetic radio channel model.

Abstract: A method comprising, at a user device, comprising obtaining a target parameter representative of a handover rate from a base station, comparing said target parameter representative of a handover rate with a measured parameter representative of a handover rate, adjusting at least one measurement trigger event parameter as a result of said comparison in a direction tending to reduce the difference between said two rates, sending a measurement report to said base station if a trigger condition using said at least one adjusted trigger event parameter is met.

Abstract: Methods, computer program products, and apparatuses are provided for enabling efficient update of steering of roaming information. An apparatus may include a processor and a memory storing computer program code configured to cause the apparatus to generate a registration request message associated with a user equipment, said registration request comprising a steering of roaming (SoR) information update request, and cause transmission of said registration request message to a network entity of a mobile network. Alternatively, the memory, computer program code, and processor may be configured to cause the apparatus to receive a registration request message comprising an indication of whether a user equipment expects to receive SoR information, and, in an instance in which it is determined that said user equipment expects to receive SoR information, triggering retrieval of said SoR information from a home network of said user equipment.

Abstract: Apparatus and method for communication are provided. One or more link identifiers used by a first terminal device are obtained. Information on communication of another terminal device with the first terminal device based on the obtained one or more link identifiers is obtained. Based on the obtained information, it is determined, that the first terminal device is active for communication and transmission to the first terminal device performed based on the determination.

Abstract: Example embodiments of the present disclosure relate to a solution for configuring a retransmission in communications. In an aspect, a first device transmits, to a second device, a first indication of a plurality of candidate retransmission configurations. Each of the plurality of candidate retransmission configurations includes a transmission feedback configuration and/or a data retransmission configuration. The first device selects a target retransmission configuration from the plurality of candidate retransmission configurations. The first device transmits, to the second device, a second indication of the target retransmission configuration. The first device communicates with the second device using the target retransmission configuration. The example embodiments of the present disclosure provide a dynamical multi-level indication for a retransmission scheme.

Abstract: An AEC system can implement different updating techniques for echo cancellation. A Block Maximum Likelihood updating technique updates filter coefficients typically at integer multiples of a block size. A Proportional-Incremental Maximum Likelihood updating technique applies proportional weighting to the updates of filter coefficients. A Multi-source Incremental Maximum Likelihood updating technique uses separate control parameters associated with each of multiple loudspeakers. Combinations of these may be used, and one or more of these can be selected and implemented in real-time.

Abstract: A method, apparatus, and computer program product provide for management of history-based motion vector prediction (HMVP) processes for Gradual Decoding Refresh (GDR) pictures, as well as efficient implementations of mode selection within a GDR period and tuning of coding tools such as in-loop filters and Luma Mapping with Chroma Scaling (LMCS) such that current coding units within a clean area avoid use of coding information within a dirty area of a picture. In the context of a method, the method accesses a current coding unit of a picture. The method also accesses information associated with coding unit references each associated with a respective inter-coded coding unit. The method also determines at least one candidate coding unit reference based at least upon a comparison of an associated index value to a dirty index, and assigns at least one coding unit to a candidate list for selection in a coding process.

Abstract: An apparatus, method and SW for HARQ control are disclosed. The method includes: analyzing (514) a beginning part of a data packet received on a specific frequency band and in a scheduled slot between a user apparatus and a radio access network to predict a success of decoding the data packet after received in full; and controlling (516) a hybrid automatic repeat request procedure associated with the data packet based on the predicted success using the specific frequency band and the scheduled slot for full-duplex inband signaling.

Abstract: A method, apparatus and computer program are provided for assessing a continuity of audio service by comparing a previous audio service with a first spatial audio service that uses user head-tracking and a second audio service to identify which of the first or second spatial audio service provides a continuity of audio service with respect to the previous audio service. If the first or second spatial audio service is assessed to provide continuity of audio service, the respective spatial audio service is selectively enabled. The first spatial audio service controls or sets at least one directional property of at least one sound source and the first spatial audio service is assessed to provide continuity of audio service if it can use head-tracking to control or set the at least one directional property of at least one sound source.

Abstract: There is provided an apparatus for a sidelink, SL, communication comprising means for transmitting a transport block, TB, via the SL communication, means for receiving a feedback in response to the transmitted TB, means for storing information contained in the transmitted TB upon receiving said feedback, means for receiving a status report comprising information associated with the TB, and means for comparing said information contained in the status report with said stored information contained in the transmitted TB in order to identify an attacker based on discrepancy between said information contained in the status report and said stored information contained in the transmitted TB.

Abstract: This application relates to session establishment by user equipment over a plurality of heterogenous access networks. In one aspect, the heterogenous access networks may include 3GPP and non-3GPP access networks (106). The non-3GPP access networks (106) may include one or more non-3GPP trusted access networks (108) or one or non-3GPP, non-trusted access networks (110).

Abstract: Solutions for determining a resource for transmitting/detecting an uplink (UL) control signal are proposed. For example, a method includes receiving a physical resource configuration and/or an assigned resource indicator for transmitting the UL control signal, wherein the physical resource configuration indicates a plurality of resources in frequency domain. The method also includes determining a resource based on the received physical resource configuration and/or the assigned resource indicator; and adjusting the determined resource for transmitting the UL control signal based on at least one of an outcome of downlink (DL) listen before talk (LBT) performed prior to the transmission of the UL control signal, an outcome of UL LBT performed prior to the transmission of the UL control signal, and a time gap between the UL LBT and the transmission of the UL control signal.

Abstract: An apparatus configured to: receive spatial audio data comprising audio captured from a space extending around a capture device and directional information; receive video imagery captured by a camera, wherein the extent of the space from which the spatial audio data is captured is greater than the field of view of the camera; associate each audio sources determined from the directional information, with, for audio sources within the field of view, a region of the video imagery that corresponds to the direction towards the audio source, and, for audio sources outside the field of view, a part of an out-of-view graphic, the out-of-view graphic indicative of the spatial extent of the space outside the field of view; display the video imagery and the out-of-view graphic; receive user input; and provide for control of at least one audio capture property of a selected one of said one or more audio sources.

Abstract: According to an example aspect of the present invention, there is provided a method comprising, transmitting to a second wireless node timing information for security key adoption and information indicative of a third wireless node, transmitting to the third wireless node a message to estimate a channel between the second wireless node and the third wireless node, the message to estimate the channel comprising information indicative of the second wireless node and channel measurement resource information associated with the second wireless node, obtaining a security key generated on the basis of channel estimation information based on estimation of the channel by the third wireless node, and applying the security key for encrypted data transmission between the first wireless node and the second wireless node.

Abstract: An apparatus, method and computer program is provided comprising: determining a plurality of candidate data transmission slots, wherein each candidate data transmission slot has an index and said plurality of candidate data transmission slots are arranged in an order; setting an index of a current candidate data transmission slot of the plurality to be an incremental increase of an index of a preceding candidate data transmission slot of the plurality in the event that a timing gap between a start of said current candidate data transmission slot and a start of a subsequent candidate data transmission slot of the plurality is greater than a threshold; and setting the index of the current candidate data transmission slot to be equal to the index of the preceding candidate data transmission slot of the plurality in the event that the timing gap is not greater than said threshold.

Abstract: An apparatus, method and computer program product of a new functional entity, namely an RRC-Inactive Context Hosting (RICH) entity, receiving, from a radio access node, a Push UE context notification or a Fetch UE Context Request. In response to the receiving of the Push UE context notification, the RICH entity sends the radio access node an ACK or NACK, while in response to the receiving of the Fetch UE Context Request, the RICH entity retrieves information requested. In response to the sending of the ACK, the RICH entity stores information contained in the notification, while in response to the retrieving, the RICH entity sends the radio access node the retrieved information.

Abstract: The exemplary embodiments include a method to perform, based on at least one of hypertext transport protocol and non-hypertext transport protocol traffic tests failing, sending an hypertext transport protocol message to a subscription remediation server URI that carries a package1 message, receiving an hypertext transport protocol response from the subscription mediation server with a package2 message, and automatically replacing a password with a new value, automatically initiating creation of a new client certificate, or launching a browser to a URI provided in the response to enable user intervention. In addition, to receive an access request from a device, determining whether credentials are valid, and if the credentials are determined valid, sending an access-accept message with a success indication, and if the credentials are determined not valid, sending an access-accept message with a success indication and an indication that access by the device is limited to only a subscription remediation server.

Abstract: There is provided a frame structure for a cellular communication system. According to an embodiment, there is provided a first radio frame configuration defining a frame structure of a radio frame comprising at least one sub-frame dedicated only for downlink transmission. There is also provided a second radio frame configuration defining a frame structure of a radio frame comprising at least one flexible special sub-frame configurable as either a flexible downlink sub-frame or as a flexible uplink sub-frame, wherein the flexible downlink sub-frame and the flexible uplink sub-frame both comprise an uplink part and a downlink part, and wherein both the uplink part and the downlink part carry at least one of control information and a reference signal.