Abstract: A method is provided for routing data over a wireless communication link in a cellular network, the method being performed in an intermediate integrated access and backhaul, IAB, node. The method comprises the steps of: receiving a downstream signal from an upstream node, the downstream signal comprising control data and payload data, wherein the downstream signal is intended for a downstream IAB node; determining that the downstream IAB node is the recipient of the downstream signal by determining that the control data of the downstream signal can be descrambled using a scrambling identifier of the downstream IAB node; and forwarding the payload data of the downstream signal to the downstream IAB node.

Abstract: A first access node obtains (601) an identity of a plurality of MRSs associated with the first access node determines (602) an identity of a second mobility beam associated with a second access node, which second mobility beam is a neighbour mobility beam to a first mobility beam associated with the first access node, wherein the identity of the second mobility beam is determined based on a neighbour relation between the second mobility beam and the first mobility beam, and controls the transmission of MRSs by transmitting (605), to the second access node, a request to transmit a reference signal for mobility comprised in the plurality of MRSs, on the second mobility beam, and wherein the request comprises a respective identity of one or more MRSs comprised in the plurality of MRSs, which respective identity is based on the identity of the plurality of MRSs, and the identity of the second mobility beam.

Abstract: A first access node obtains (601) an identity of a plurality of MRSs associated with the first access node, determines (602) an identity of a second mobility beam associated with a second access node, which second mobility beam is a neighbour mobility beam to a first mobility beam associated with the first access node, wherein the identity of the second mobility beam is determined based on a neighbour relation between the second mobility beam and the first mobility beam, and controls the transmission of MRSs by transmitting (605), to the second access node, a request to transmit a reference signal for mobility comprised in the plurality of MRSs, on the second mobility beam, and wherein the request comprises: a respective identity of one or more MRSs comprised in the plurality of MRSs, which respective identity is based on the identity of the plurality of MRSs, and the identity of the second mobility beam.

Abstract: There is provided mechanisms for performing IAB in a cellular telecommunications network that comprises a first IAB node and a second IAB node. A method is performed by the first IAB node. The method comprises scheduling, in a first phase, downstream backhaul data from the first IAB node to the second IAB node. The method comprises receiving, in a third phase, from the second IAB node, upstream backhaul data as scheduled by the second IAB node.

Abstract: A method is disclosed for a radio access network control node operating in a communication network having an associated user device, wherein the user device has an ongoing application service session with an application server via the communication network. The method includes detecting that a trigger condition is met for the user device, the trigger condition indicating an upcoming communication interruption in relation to the application service session. The method also includes causing implementation of a temporary transmission rate adjustment of the application service session, wherein the temporary transmission rate adjustment provides a radio access channel margin accommodating the upcoming communication interruption. In some embodiments, causing implementation of the temporary transmission rate adjustment includes transmitting an adjustment command to the user device and/or the application server. Corresponding methods for a user device and an application server are also disclosed.

Abstract: A method for configuring transmission order of uplink data, the method performed by a radio equipment (“RE”) of an access node. The RE has a RE controller (“REC”)-RE interface that communicatively couples the RE with a REC of the access node. The method includes receiving instructions from the REC that indicate a scheduling prioritization for transmission by the RE of uplink data between the RE and the REC over the REC-RE interface. The uplink data can be received by the RE on the radio interface. The method can further include transmitting the uplink data on the REC-RE interface according to the instructions, resulting in the scheduling prioritization of the uplink data.

Abstract: A method for accommodation of latency variation in a communication network is disclosed. The method comprises identifying that a service is currently associated with a user device associated with the communication network, wherein a deviation between a latency requirement of the service and an internal latency performance of the communication network is bounded, predicting an upcoming reduction of communication network throughput for the user device, and providing a rate adaptor associated with the service with a feedback indication in response to predicting the reduction of communication network throughput, wherein the feedback indication is for rate reduction of the service. In some embodiments, the prediction and provision are performed only for user devices associated with services with bounded deviation between the latency requirement of the service and the internal latency performance of the communication network.

Abstract: A method for latency control in a communication network is disclosed. The method comprises identifying that a service is currently associated with a user device associated with the communication network, wherein a deviation between a latency requirement of the service and an internal latency performance of the communication network is bounded, and dynamically adjusting a configuration of the communication network for the service. In some embodiments, the dynamic adjustment is performed only for user devices associated with services with bounded deviation between the latency requirement of the service and the internal latency performance of the communication network. In some embodiments, dynamically adjusting the configuration of the communication network comprises controlling the communication network to provide latencies below a maximum latency threshold for the service. In some embodiments, the dynamic adjustment of the configuration of the communication network is based on the current traffic load.

Abstract: A method for latency control in a communication network is disclosed. The method includes identifying that a service is currently associated with a user device associated with the communication network, wherein a deviation between a latency requirement of the service and an internal latency performance of the communication network is bounded, and dynamically adjusting one or more handover criteria for the user device associated with the service. In some embodiments, the dynamic adjustment is performed only for user devices associated with services with bounded deviation between the latency requirement of the service and the internal latency performance of the communication network.

Abstract: The present disclosure relates to methods and nodes in an integrated access and backhaul (IAB) network. In one aspect, a method for a local breakout, performed in a first network node of the IAB network is provided. The first network node is being in communication with a core network, and the method comprises providing a network connection between the first network node and a local data network having a first network address, receiving a data traffic, transmitted by a user equipment (UE), wherein the data traffic is destined for a central application server having a second network address and being in communication with the core network. If the at a traffic meets a requirement for the local breakout from the first network node, the method comprises forwarding the data traffic to a local application server of the local data network and receiving from the application server of the local data network, a selected part of the data traffic destined for the central application server.

Abstract: A method for configuring transmission order of uplink data, the method performed by a radio equipment (“RE”) of an access node. The RE has a RE controller (“REC”)-RE interface that communicatively couples the RE with a REC of the access node. The method includes receiving instructions from the REC that indicate a scheduling prioritization for transmission by the RE of uplink data between the RE and the REC over the REC-RE interface. The uplink data can be received by the RE on the radio interface. The method can further include transmitting the uplink data on the REC-RE interface according to the instructions, resulting in the scheduling prioritization of the uplink data.

Abstract: A handover control method is disclosed for a wireless communication device connected to a serving network node which provides a serving cell. The method comprises establishing a handover control configuration, shared by the WCD and the SNWN, comprising a neighboring cell measurement triggering criterion, a handover triggering criterion, and transmission resource parameters for measurement signals of a neighboring cell. The method also comprises performing channel quality measurements of the serving cell and detecting fulfillment of the neighboring cell measurement triggering criterion based on the channel quality measurements of the serving cell. The method also comprises performing channel quality measurements of the neighboring cell and detecting fulfillment of the handover triggering criterion based on the channel quality measurements of the neighboring cell.

Abstract: There is provided mechanisms for performing IAB in a cellular telecommunications network that comprises a first IAB node and a second IAB node. A method is performed by the first IAB node. The method comprises scheduling, in a first phase, downstream backhaul data from the first IAB node to the second IAB node. The method comprises receiving, in a third phase, from the second IAB node, upstream backhaul data as scheduled by the second IAB node.

Abstract: A method for configuring transmission order of uplink data, performed by an REC of an access node. The REC has an interface to an RE of the access node. The method comprises providing instructions to the RE how to prioritize transmission order of uplink data. The uplink data is received by the RE on a radio interface and is to be transmitted from the RE to the REC on the interface. The REC thereby configures the transmission order.

Abstract: There is provided a Transceiver Point, TRXP, arranged to operate in a multi-TRXP cell deployment, where a plurality of TRXPs of the multi-TRXP cell deployment operate under a same cell identity, ID, and arranged to consecutively transmit a plurality of synchronisation signal blocks, SSBs, in a plurality of beams in different directions, respectively, during a synchronisation signal block burst. The TRXP is arranged to reallocate the transmission of the SSB beams to a receiving entity. A method for the TRXP and a computer program for implementing the method are also disclosed.

Abstract: A method for configuring transmission order of uplink data, the method performed by a radio equipment (“RE”) of an access node. The RE has a RE controller (“REC”)-RE interface that communicatively couples the RE with a REC of the access node. The method includes receiving instructions from the REC that indicate a scheduling prioritization for transmission by the RE of uplink data between the RE and the REC over the REC-RE interface. The uplink data can be received by the RE on the radio interface. The method can further include transmitting the uplink data on the REC-RE interface according to the instructions, resulting in the scheduling prioritization of the uplink data.

Abstract: A handover control method is disclosed for a wireless communication device connected to a serving network node which provides a serving cell. The method comprises establishing a handover control configuration, shared by the WCD and the SNWN, comprising a neighboring cell measurement triggering criterion, a handover triggering criterion, and transmission resource parameters for measurement signals of a neighboring cell. The method also comprises performing channel quality measurements of the serving cell and detecting fulfillment of the neighboring cell measurement triggering criterion based on the channel quality measurements of the serving cell. The method also comprises performing channel quality measurements of the neighboring cell and detecting fulfillment of the handover triggering criterion based on the channel quality measurements of the neighboring cell.

Abstract: There is provided a Transceiver Point, TRXP, arranged to operate in a multi-TRXP cell deployment, where a plurality of TRXPs of the multi-TRXP cell deployment operate under a same cell identity, ID, and arranged to consecutively transmit a plurality of synchronisation signal blocks, SSBs, in a plurality of beams in different directions, respectively, during a synchronisation signal block burst. The TRXP is arranged to reallocate the transmission of the SSB beams to a receiving entity. A method for the TRXP and a computer program for implementing the method are also disclosed.

Abstract: There are provided mechanisms for configuring resolution of uplink data. An exemplary radio equipment controller (REC) of an access node includes an interface (RCE-RE interface) to a radio equipment (RE) and processing circuitry. The processing circuitry is configured to cause the REC to provide instructions to the RE regarding a resolution in time and/or frequency domain with which beam direction reports are to be transmitted to the REC on the REC-RE interface. The beam direction reports are based on uplink appointed reference symbols for sounding received by the RE on a radio interface and is to be transmitted from the RE to the REC. The REC may thus configure the resolution of the beam direction reports that are received by the REC.

Abstract: There are provided mechanisms for configuring resolution of uplink data. An exemplary radio equipment controller (REC) of an access node includes an interface (RCE-RE interface) to a radio equipment (RE) and processing circuitry. The processing circuitry is configured to cause the REC to provide instructions to the RE regarding a resolution in time and/or frequency domain with which beam direction reports are to be transmitted to the REC on the REC-RE interface. The beam direction reports are based on uplink appointed reference symbols for sounding received by the RE on a radio interface and is to be transmitted from the RE to the REC. The REC may thus configure the resolution of the beam direction reports that are received by the REC.