Abstract: According to an aspect, there is provided an apparatus for performing the following. The apparatus maintains, in at least one memory, information on a reference incidence direction and reference configuration information defining a plurality of configurations of a plurality of tunable load impedance circuits of a tunable reflective array of a reconfigurable intelligent surface or a subpanel thereof for the reference incidence direction. The apparatus measures an incidence direction from which electromagnetic waves are received by the reconfigurable intelligent surface. The apparatus calculates, based on the reference incidence direction, the measured incidence direction and the reference configuration information, corrected configuration information defining a plurality of corrected configurations for the measured incidence direction. Finally, the apparatus configures the plurality of tunable load impedance circuits according to a corrected configuration.

Abstract: Disclosed is a method including identifying a service availability requirement and a survival time requirement for a terminal device, estimating a reliability level of a feedback channel associated with the terminal device based at least partly on a link quality and one or more physical control channel attributes associated with the terminal device, and determining a first target block error rate value for a first operation mode of the terminal device and a second target block error rate value for a second operation mode of the terminal device based at least partly on the service availability requirement, the survival time requirement, and the estimated reliability level of the feedback channel.

Abstract: An apparatus, and method relating to control of radio repeaters is disclosed. The apparatus may comprise a means for transmitting one or more reference signals at a transmit power level using a transmit antenna of a repeater. The apparatus may also comprise a means for measuring a receive power level of the corresponding one or more reference signals received using a receive antenna of the repeater and determining a selfinterference power value based on the difference between the transmit power level of the one or more reference signals and the receive power level of the one or more corresponding reference signals. The apparatus may modify a gain associated with an amplifying means of the repeater based on the determined self-interference value.

Abstract: A method is provided including determining a strength of a channel to each of a plurality of user equipments in a wireless multi-user network; scheduling first downlink resources for transmitting first downlink messages to a first group of the user equipments including the user equipments having the strongest channels; and scheduling second resources for transmitting second downlink messages to a second group of the remaining user equipments using a combination of broadcasting and cooperative relaying.

Abstract: Disclosed is a method including transmitting one or more reference signals to one or more user devices; performing preliminary sensing over a sensing area of interest based at least partly on the one or more reference signals; allocating, based at least partly on the preliminary sensing, radio resources for performing sensing with a higher resolution than a resolution of the preliminary sensing; and performing the sensing with the higher resolution over the sensing area of interest by using the allocated radio resources.

Abstract: To configure a wireless sensor network, a sink node receives from nodes first reports, a first report from a node indicating quality of service requirement of the node and battery information of the node, and second reports, a second report from a node indicating at least a signal strength of one signal received from another node. The information in the first reports and in the second reports are used for determining paths from the nodes to the sink node, wherein a path of a node is either a direct link from the node to the sink node or the path comprises at least one node acting as a cluster head between the node and the sink node.

Abstract: A system in wireless network including an Access Point utilizing at least an unlicensed first wireless interface; a Station utilizing at least a first unlicensed wireless interface, transmitting in uplink to the AP; Said at least one STA further includes a secondary wireless interface different from the first unlicensed wireless interface, said STA is configured to, determine that transmission of a message be in a secondary wireless interface of the STA when it is utilized for Reliable and Low Latency Communication RLLC data transmission, generate a message and then transmit the message to a serving AP. Said AP is configured to, when receiving the message from the STA, determine whether information will be generated based on the message received from the STA, generate at least scheduling information and transmit the generated information to the STA.

Abstract: A method is provided including determining a strength of a channel to each of a plurality of user equipments in a wireless multi-user network; scheduling first downlink resources for transmitting first downlink messages to a first group of the user equipments including the user equipments having the strongest channels; and scheduling second resources for transmitting second downlink messages to a second group of the remaining user equipments using a combination of broadcasting and cooperative relaying.

Abstract: Disclosed is a method comprising obtaining information indicating at least a mode of a plurality of terminal devices, and allocating a set of radio resources to the plurality of terminal devices based at least partly on the mode of the plurality of terminal devices.

Abstract: The present subject matter relates to a method comprising: determining that a communication of data in a cyber-physical system may not fulfil an availability criterion. An emergency schedule of resources may be determined for enabling a communication of further data in the system in compliance with the availability criterion. The emergency schedule of resources may be used for communication of further data in the system in case the communication of the data does not fulfill the availability criterion.

Abstract: This document discloses a solution for performing anti-jamming procedures. According to an aspect, a method for a terminal device comprises: receiving a first reference signal allocation from an access node, wherein the first reference signal is unique to the terminal device in a cell managed by the access node; receiving a second reference signal allocation from the access node, wherein the second reference signal is shared with at least one other terminal device in the cell; causing transmission of payload data together with the first reference signal according to a regular transmission pattern; and breaking the regular transmission pattern by transmitting dummy data together with the second reference signal in a time-frequency resource shared with the at least one other terminal device.

Abstract: This document discloses a solution for performing anti-jamming procedures. According to an aspect, a method for a terminal device comprises: receiving a first reference signal allocation from an access node, wherein the first reference signal is unique to the terminal device in a cell managed by the access node; receiving a second reference signal allocation from the access node, wherein the second reference signal is shared with at least one other terminal device in the cell; causing transmission of payload data together with the first reference signal according to a regular transmission pattern; and breaking the regular transmission pattern by transmitting dummy data together with the second reference signal in a time-frequency resource shared with the at least one other terminal device.

Abstract: To configure a wireless sensor network, a sink node receives from nodes first reports, a first report from a node indicating quality of service requirement of the node and battery information of the node, and second reports, a second report from a node indicating at least a signal strength of one signal received from another node. The information in the first reports and in the second reports are used for determining paths from the nodes to the sink node, wherein a path of a node is either a direct link from the node to the sink node or the path comprises at least one node acting as a cluster head between the node and the sink node.

Abstract: A technique may include scheduling, by a base station, a block of data for transmission to a user device, transmitting, by a base station to a user device, a data packet that includes at least a portion of the block of data, estimating, by the base station, that a reception by the user device of the data packet will be subject to errors, and pro-actively retransmitting, by the base station based on the estimating, at least a portion of the block of data without waiting for feedback from the user device regarding the data packet.

Abstract: A technique may include scheduling, by a base station, a block of data for transmission to a user device, transmitting, by a base station to a user device, a data packet that includes at least a portion of the block of data, estimating, by the base station, that a reception by the user device of the data packet will be subject to errors, and pro-actively retransmitting, by the base station based on the estimating, at least a portion of the block of data without waiting for feedback from the user device regarding the data packet.

Abstract: A method includes detecting (205), in a first communications apparatus, the number of failed code blocks in a transport block transmitted to the first apparatus from a second apparatus and a corresponding feedback size indicator. The feedback size indicator is received in the first apparatus from the second apparatus e.g. via control channel signalling. Alternatively, the feedback size indicator is received in the transport block. The first apparatus selects the format of a HARQ feedback message to be generated based on the feedback size indicator, and generates the feedback message based on the number of failed code blocks in the transport block. The generated feedback message is of the selected format and indicates the failed code blocks in the transport block. The first apparatus transmits the generated feed back message to the second apparatus.

Abstract: There are provided measures for flexible retransmission-process buffer management, such as e.g. flexible HARQ process buffer management, in the context of re-/transmission of a radio resource block composed of a plurality of resource block parts. Such measures exemplarily comprise buffer management and buffer management control, wherein a buffer element is flexibly managed by selectively discarding and keeping buffered soft data information of a transmitted radio resource block per resource block part based on decoding performance information for the buffered soft data information of the transmitted radio resource block prior to combining, per resource block part, soft data information of a retransmitted radio resource block with buffered soft data information of the transmitted radio resource block for decoding the radio resource block.

Abstract: A technique may include scheduling, by a base station, a block of data for transmission to a user device, transmitting, by a base station to a user device, a data packet that includes at least a portion of the block of data, estimating, by the base station, that a reception by the user device of the data packet will be subject to errors, and pro-actively retransmitting, by the base station based on the estimating, at least a portion of the block of data without waiting for feedback from the user device regarding the data packet.

Abstract: A technique is provided for allocating resources based on a communications mode. The technique may include receiving, by a user device from a base station in a wireless network, information indicating a communications mode to be used to receive a data retransmission, and receiving, by the user device based on the communications mode, a data retransmission that includes control information and retransmitted data, wherein a portion of resources allocated for the control information is based on the communications mode.

Abstract: A method includes detecting (205), in a first communications apparatus, the number of failed code blocks in a transport block transmitted to the first apparatus from a second apparatus and a corresponding feedback size indicator. The feedback size indicator is received in the first apparatus from the second apparatus e.g. via control channel signalling. Alternatively, the feedback size indicator is received in the transport block. The first apparatus selects the format of a HARQ feedback message to be generated based on the feedback size indicator, and generates the feedback message based on the number of failed code blocks in the transport block. The generated feedback message is of the selected format and indicates the failed code blocks in the transport block. The first apparatus transmits the generated feed back message to the second apparatus.