Abstract: A method, system and apparatus are disclosed for power control between integrated access and backhaul (IAB) nodes. In one embodiment, a first node is provided. The first node includes processing circuitry configured to transmit a power control request to a parent, integrated access and backhaul, IAB, node where the power control request is configured to request an adjustment of a transmission power of the parent IAB node, receive a power control response from the parent IAB node, and perform at least one action associated with a second node based at least in part on the power control response.

Abstract: Systems and methods are disclosed for Integrated Access and Backhaul (IAB) hierarchical Distributed Unit (DU) resource configuration. In one embodiment, a method performed by an IAB node comprises determining a first multiplexing capability of the IAB node at a first time, sending information that is indicative of the first multiplexing capability of the IAB node to an IAB donor node, and receiving a first resource configuration profile from the IAB donor node. The method further comprises determining a second actual multiplexing capability of the IAB node at a second time that is subsequent to the first time and determining a valid resource configuration for the IAB node based on the second actual multiplexing capability of the IAB node. The method further comprises scheduling transmission on one or more child backhaul links and/or one or more access links of the IAB node based on the valid resource configuration.

Abstract: Systems and methods for reducing signaling overhead between an Integrated Access and Backhaul (IAB) node and its parent node when switching between timing alignment cases are disclosed. In some embodiments, the method comprises sending one or more sets of desired numbers of guard symbols for two or more timing switching groups, respectively. The method further comprises receiving one or more sets of provided numbers of guard symbols for the two or more timing switching groups, respectively and determining available time resources for uplink transmission and/or downlink reception in two adjacent time units based on one of the one or more sets of provided numbers of guard symbols for one of the two or more timing switching groups that corresponds to timing alignment cases used in the two adjacent time units.

Abstract: There is provided techniques for controlling an RIS. The RIS comprises a controller entity and a reflector entity. The reflector entity is associated with configurable reflection properties defining how radio waves that impinge the reflector entity are reflected. The reflection properties are controlled by the controller entity. A method is performed by a network node. The method comprises determining that the RIS to refrain from reflecting signals communicated in radio waves between the network node and a user equipment. The method comprises, in response thereto, providing an indication to the controller entity for the RIS to enter a non-relay mode according to which the reflector entity is to apply a default configuration of the reflection properties.

Abstract: Systems and methods for repeater latency signaling are provided. In some embodiments, a method performed by a first network node includes: providing a repeater latency capability to a second network node; receiving a repeater side control information; and applying the repeater side control information at an application time instant according to a latency configuration. The latency configuration or the repeater side control information is related to: repeater beam switching; repeater-Fwd ON/OFF; repeater power control; or control signal decoding. In this way, the second network node (e.g., gNB) can be informed about the NCR latency and can have proper synchronization. This enables the proper integration of the NCRs into the network and, hence, improve the coverage extension.

Abstract: There is disclosed a method of operating an Integrated Access and Backhaul, IAB, parent node for a wireless communication network. The method includes transmitting, to an Integrated Access and Backhaul, IAB, child node, an indication of the availability of soft frequency resources. The disclosure also pertains to related methods and devices, e.g. pertaining to an Integrated Access and Backhaul child node, or a program product.

Abstract: According to certain embodiments, a method is performed by a repeater node having a forwarder (R-Fwd) and a mobile termination (R-MT). The method comprises receiving a beam indication from a network node. The beam indication indicates one or more beams. The method further comprises configuring an ON/OFF status of the R-Fwd based at least in part on the beam indication.

Abstract: In one aspect, a wireless relay node operating in a wireless communications network obtains (602), for each of one or more other wireless relay nodes, information indicating a muting pattern for muting of synchronization signal blocks, SSBs, by the other wireless relay node. The wireless relay node performs (604) measurements of SSBs and muting of SSB transmissions based on the obtained information.

Abstract: Embodiments herein relate to a method performed by a radio network node for handling communication in a wireless communication network. The radio network node transmits to a UE or an IAB node system information comprising an indication of a cell, controlled by the radio network node, wherein the radio network node is an IAB node, and the indication indicates whether the cell is a mobile cell or not.

Abstract: A method, system and network node are disclosed. According to one or more embodiments, a parent network node configured to communicate with a network node is provided. The parent network node is configured to, and/or includes a radio interface and/or includes processing circuitry configured to: enable a first timing configuration, wherein the first timing configuration enables downlink transmission timing for the network node to be aligned with the downlink transmission timing of the parent network node; and based on the first timing configuration, switch to a second timing configuration, wherein the second timing configuration enables uplink transmission timing of the network node to be aligned with the downlink transmission timing of the network node.

Abstract: There is provided techniques for position determination of a user equipment. A method is performed by a network node. The network node serves the user equipment in a radio environment over at least one indirect path via a respective reflector node and over a direct path. The location of the reflector node relative the location of the network node is known by the network node. The method comprises obtaining measurements relative the user equipment. The measurements pertain to properties of the indirect path and the direct path. The measurements are based on signals communicated between the network node and the user equipment via the indirect path and via the direct path. The method comprises determining the position of the user equipment using triangulation based on the measurements.

Abstract: A method, system, network nodes and apparatus are disclosed. According to one or more embodiments, a donor integrated access backhaul, IAB, node configured with a distributed unit, DU, for communicating with a wireless device and configured with a central unit, CU, for communicating with at least a first child IAB node is provided. The donor IAB node includes processing circuitry configured to indicate a determined first synchronization signaling blocks, SSB, transmission configuration, STC, for the at least first child IAB node, to the at least first child IAB node where the first STC is associated with inter-node measurement.

Abstract: There is provided mechanisms for directional beam determination towards a user equipment. A method is performed by a network node. The network node determines that the user equipment is served a the reflector node. The network node selects the directional beam to be used by the reflector node for subsequent communication between the network node and the user equipment via the reflector node. The network node configures the reflector node such that the selected directional beam is used. The network node communicates with the user equipment via the reflector node once the reflector node has been configured.

Abstract: The present disclosure relates to a node (AP2, U11) in a wireless communication system (1), where the node (AP2, U11) is adapted to communicate with at least two other nodes (AP1, AP0) in the wireless communication system (1), and where the other nodes (AP1, AP0) are first type nodes (AP1, AP0) which are adapted to communicate with each other by means of backhaul communication. The node (AP2, U11) is adapted to receive a signal (xA) transmitted from an adjacent first type node (AP1), where the (xA) has been forwarded from at least one farther first type node (AP0). In case of unsuccessful decoding of the signal (xA), the node (AP2, U11) is adapted to request re-transmission (NACK) of the signal (xA), and to receive a re-transmission of the signal (xA) directly from a farther first type node (AP0).

Abstract: There is provided mechanisms for communication between radio transceiver devices via meta-surface. A method is performed by a first radio transceiver device. The first radio transceiver device is communicating with a second radio transceiver device via at least one meta-surface over a radio propagation channel. The method comprises performing random access procedures with the second radio transceiver device. Each random access procedure corresponds to a respective activation setting of the at least one meta-surface. The method comprises selecting one of the activation settings for the at least one meta-surface. The method comprises transmitting an indication of the selected activation setting to the second radio transceiver device and a controller of the at least one meta-surface. The method comprises communicating with the second radio transceiver device over the radio propagation channel and via the at least one meta-surface.

Abstract: Performing random access process. In one aspect, there is a method performed by a network function. The method comprises the network function generating system information and the network function broadcasting the system information. The system information comprises i) first power information for use by at least a first set of communication devices and a second set of communication devices in determining a transmit power, and ii) second power information for use by the first set of communication devices, but not the second set of communication devices, in determining the transmit power.

Abstract: Systems and methods for joint-repeater-UE beam reporting in repeater-assisted networks are provided. In some embodiments, a method performed by a wireless network node for monitoring a connection to a UE through a repeater node includes: configuring the UE with one or more beam reports containing reference signals for evaluating one or more links between one or more of the group consisting of: the wireless network node, the repeater, and the UE; triggering one or more of the configured beam reports; transmitting one or more configured reference signals associated with the triggered beam reports; and receiving the one or more beam reports. In this way, overhead-efficient methods are provided for radio link monitoring in the presence of a repeater node to activate the beam and/or link recovery process.

Abstract: There is provided a method performed by a network node for configuring dynamic behavior of a spatial filter of a repeater node. The method comprises configuring the repeater node with one or more higher layer parameters. The one or more higher layer parameters define one or more beam time states. The method further comprises sending a dynamic indication to the repeater node indicating a beam and an associated beam time state. There is further provided a method performed by a repeater node. The method comprises receiving signaling, from a network node, configuring the repeater node with one or more higher layer parameters. The one or more higher layer parameters define one or more beam time states. The method further comprises receiving, from the network node, a dynamic indication indicating a beam and an associated beam time state.

Abstract: A method and network node having integrated access and backhaul (IAB) functionality are disclosed. According to one aspect, a network node determines information concerning at least one of: (i) an impairment of a first signal from a first integrated access backhaul node that is caused by a second signal from a second IAB node and (ii) an impairment of the second signal that is caused by the first signal. The network node further selects a multiplexing capability for the network node based at least in part on the determined information concerning at least one of the impairments and further multiplexes signals for the first and second IAB nodes using the selected multiplexing capability.

Abstract: A method performed by a network node in a wireless network is provided for configuring periodic behavior of a repeater beam of a repeater node. The method comprises indicating, to the repeater node, a beam to use and indicating, to the repeater node, a beam time-domain state associated with the indicated beam. There is further provided a method in a repeater node. The method comprises receiving an indication, from the network node, of a beam to use and receiving an indication, from the network node, of a beam time-domain state associated with the indicated beam.