Abstract: Methods and systems for autonomous sidelink resource allocation are provided. According to one aspect, a method performed by at least one wireless device for autonomous sidelink resource allocation comprises: at a first time, T1, transmitting a first control message announcing a first reservation of a set of radio resources for sidelink communication; at a second time, T2, transmitting a second control message announcing a second reservation of a set of radio resources for sidelink communication; and, at a third time, T3, performing a sidelink communication using the set of radio resources reserved by the second reservation. The second reservation may, for example, confirm the first reservation, cancel or partially cancel the first reservation, modify the first reservation, or completely change the first reservation.

Abstract: Systems and methods are disclosed for enhancements to Mobility Robustness Optimization (MRO) in case of Radio Link Failure (RLF) after successful (conditional) handover. In one embodiment, a method performed by a wireless device comprises receiving a handover (HO) configuration or conditional handover (CHO) configuration from a source cell and declaring a RLF in association with a HO or CHO to a target cell. The method further comprises generating a RLF report responsive to declaring the RLF, the RLF report comprising the HO configuration or CHO configuration, a successful HO report, information about one or more associated time durations, one or more radio link measurements for one or more CHO candidate cells associated to the CHO configuration received from the source cell, or any combination thereof. The method further comprises transmitting the RLF report to a network node.

Abstract: Methods are discussed to operate a wireless device in a wireless communication network. Shared channel occupancy time (COT) signaling is received from a Radio Access Network (RAN) node of the wireless communication network. An indication of a control resource is received from the RAN node. An indication of a shared COT switching point defining a switch from shared COT reception to shared COT transmission is received. Control signaling is transmitted to the RAN node using the control resource responsive to receiving the indication of the switching point and the indication of the control resource. Related methods are discussed to operate a Radio Access Network (RAN) node. Related wireless devices and RAN nodes are also discussed.

Abstract: Embodiments include methods performed by a wireless device configured to communicate via an uplink (UL) to a network and via a sidelink (SL) to one or more other wireless devices. Such methods include, based on availability of data to be sent via the SL, triggering a SL Scheduling Request (SR) to obtain a first UL grant to facilitate transmission of a Sidelink (SL) Buffer Status Report (BSR) indicating the data available to be sent via the SL. Such methods include, prior to transmitting the SL SR to obtain the first UL grant, transmitting an UL SR to obtain a second UL grant to facilitate transmission of an UL BSR indicating data available to be sent via the UL. Such methods include selectively transmitting the SL BSR using the second UL grant and cancelling the SL SR transmission in response to transmitting the SL BSR using the second UL grant.

Abstract: Methods and apparatuses for classifying mobility failure. A method performed by a wireless device comprises detecting a failure event in a MCG, wherein the failure event is at least one of a RLF and a HOF. The method further comprises logging MCG Failure Information associated with the failure event subsequent to detection of the failure event, wherein the MCG Failure Information comprises an elapsed time between time of reception of a last RRC reconfiguration message associated with the MCG and time of MCG connection failure. The RRC reconfiguration message including reconfiguration with sync.

Abstract: A method in a node is disclosed. The method comprises generating a tag for an associated data packet at a first layer, the generated tag indicating one or more parameters related to transmission of the associated data packet. The method comprises signaling the tag from the first layer to another layer. The method comprises mapping, at the another layer, the associated data packet to a logical channel based on the one or more parameters indicated by the tag, and selecting one or more resources for transmission of the associated data packet based on the mapping of the associated data packet to the logical channel.

Abstract: Embodiments include methods for a user equipment (UE) to report link failures in a wireless network. Such methods include, after a link failure (e.g., radio link failure or handover failure) and a failed connection reestablishment in a first public land mobile network (PLMN), connecting to a first cell in the wireless network. Such methods include sending, to a radio network node (RNN) in the wireless network, a failure report including an indication of whether the first cell is associated with the first PLMN. Different forms and/or contents of the indication are disclosed. Other embodiments include complementary methods for a RNN, as well as UEs and RNNs configured to perform such methods.

Abstract: Methods of operating a user equipment, UE, include storing mobility history information, MHI, independent of a radio resource control, RRC, state, wherein the MHI includes a cell identifier that is a serving cell and time information corresponding to how long the UE has stayed in the serving cell, logging public land mobile network, PLMN, specific MHI into the UE, and reporting at least a portion of the MHI to a network node. Analogous methods of operating a radio access network, RAN, node and core network node of a wireless communication system are also provided.

Abstract: A method performed by a first network node for handling communication in a wireless communications network. The first network node receives a data packet with a header including an indicated destination, with a BAP address, and one or more values interpreted by the first network node as reserved or unknown. The first network node checks whether the first network node is an intended destination of the data packet based on the indicated destination in the header. With the proviso that the first network node is not the intended destination of the data packet and the BAP address is not included in the configured backhaul, BH, routing configuration, the first network node discards the data packet; and else, processes the data packet.

Abstract: A method, system and apparatus are disclosed. A network node configured to communicate with a wireless device is provided. The network node configured to, and/or comprising a radio interface and/or comprising processing circuitry configured to receive a unicast request message from a wireless device where the unicast request message includes information associated with a request for a unicast connection, and determine whether to permit establishment of the requested unicast connection based at least in part on the information in the unicast request message.

Abstract: The embodiments herein relate to methods for SL SR/BSR handling. In one embodiment, there proposes a method in a wireless device, comprising: triggering a Sidelink (SL) Buffer Status Report (BSR) in response to data to be sent over the SL; triggering a Sidelink (SL) Scheduling Request (SR) for transmitting the SL BSR, wherein the SL BSR is intended to be transmitted by using a first uplink (UL) grant triggered by the SL SR; and cancelling the SL SR transmission if the SL BSR has been transmitted by using a second UL grant triggered by other sources. With embodiments herein, the LCP can be adapted based on QoS requirement and unsuitable cancel of sidelink BSR can be avoided, which improves performance of both UL and sidelink.

Abstract: Embodiments herein relate to a method implemented by a wireless communication device. The wireless communication device transmits data to a radio node of a wireless communication network. The wireless communication device monitors for a positive acknowledgement or a negative acknowledgement of the data from the radio node. The wireless communication device retransmits the data to the radio node when said monitoring indicates reception of a negative acknowledgement of the data. The wireless communication device refrains from retransmitting the data to the radio node when said monitoring indicates reception of a positive acknowledgement of the data. The wireless communication device also refrains from retransmitting the data to the radio node when said monitoring indicates neither reception of a positive acknowledgement of the data nor reception of a negative acknowledgement of the data.

Abstract: A method, performed by a User Equipment (UE) in dual connected mode is provided. The method is for determining and transmitting an UpLink (UL) Packet Data Convergence Protocol (PDCP) delay. The UE is connected to at least two radio network nodes. The UE determines (430) the delay. The determined delay is associated with each of the radio network nodes to which the UE is connected. The UE then transmits (450), to at least one of the radio network nodes, the determined delay.

Abstract: The present application generally relates to wireless communication technology. More particularly, it relates to a method and apparatus for controlling sidelink (SL) Quality of Service (QoS). According to one or more embodiments, a method for controlling sidelink (SL) Quality of Service (QoS) comprising the following steps carried out at a User Equipment (UE): a) generating QoS requirement from characteristics for one or more packets to be transmitted via a sidelink; b) determining bearer configuration corresponding to the QoS requirement; and c) performing SL transmission on the basis of the bearer configuration.

Abstract: Methods and apparatuses for a user equipment, UE, to report radio link failure, RLF, in a wireless network, said methods include sending, to a radio network node, RNN, in the wireless network, a first message including: a first RLF report related to an RLF that occurred in a cell of the wireless network, and a second indication of availability of one or more further RLF reports stored by the UE. The methods further include receiving, from the RNN, a second request for at least a portion of the stored RLF reports indicated by the second indication and sending, to the RNN, a second response including a second RLF report of the stored RLF reports. The apparatuses are configured to perform such methods.

Abstract: Embodiments herein relate to a method performed by a network node for handling communication in a wireless communication network comprising a first radio network node and a second radio network node providing dual connectivity to a UE (10). The network node calculates an average delay of a packet transmission, wherein weighting is applied to a number of packets respectively sent via the first radio network node and the second radio network node when no packet duplication is applied, and wherein weighting is further applied for a respective delay calculation for one or more periods or packets with duplication, and the periods or packets without duplication.

Abstract: A method, network node wireless device for inclusion of preamble group information in a random access (RA) report are disclosed. According to one aspect, a method in a network node includes receiving a report from the WD, the report comprising at least one of: a selection of one of a first preamble group and a second preamble group by the WD; an indication that at least one of a first condition and a second condition is satisfied. The method also includes configuring at least one of a first preamble group and a second preamble group based at least in part on the report received from the WD, the radio interface being configured to transmit an indication of which of the first and second preamble groups are configured.

Abstract: A method performed by a first donor distributed unit (DU) in an integrated access backhaul (IAB) network is provided. The method includes obtaining for each IAB node under the domain of each donor DU in the IAB network, a respective assigned IP address of the respective IAB node, receiving a rerouted packet, checking whether a source IP address of the rerouted packet matches an assigned IP address of an IAB node under the domain of the first donor DU, if the source IP address does not match an assigned IP address of an IAB node under the domain of the first donor DU, checking whether the source IP address of the rerouted packet matches an assigned IP address obtained by the donor DU, and if the source IP address matches an assigned IP address obtained the donor DU, forwarding the rerouted packet to an upper layer.

Abstract: Embodiments include methods, performed by a user equipment (UE), for transmitting information on an uplink (UL) shared channel within a cell of a radio access network. Such embodiments include receiving, from a network node serving the cell, a configured uplink grant of resources for transmitting information on the UL shared channel. The uplink grant can indicate particular timeslots during which transmission on the UL shared channel is allowed and can include: a periodicity parameter indicating an uplink periodicity for configured resources, and an allowance parameter indicating a number of timeslots, within each uplink periodicity, during which transmission on the UL shared channel is allowed. Such embodiments also include transmitting information on the UL shared channel during at least one of the particular timeslots indicated by the uplink grant. Embodiments also include complementary methods performed by a network node, and UEs and network nodes configured to perform such methods.

Abstract: A method in a radio device of radio resource allocation for transmitting data on a plurality of communication carriers is provided. The method includes sensing on a first carrier and obtaining a first set of candidate radio resources for a first transmission on the first carrier, performing a first selection of one or a plurality of the candidate radio resources from the first set to be used for the first transmission, sensing on a second carrier and obtaining a second set of candidate radio resources for a second transmission on the second carrier, performing a second selection of one or a plurality of the candidate radio resources from the second set to be used for the second transmission, and performing the first selection and the second selection in dependency to each other.