A first base station receives an aggregate maximum bit rate of a wireless device; and an indication of packet data convergence protocol (PDCP) duplication for a bearer. Duplicated PDCP packets of the bearer are received from a PDCP layer of a second base station. The duplicated PDCP packets are transmitted to the wireless device via the bearer. An aggregate bit rate between the wireless device and the first base station is limited based on the aggregate maximum bit rate. The aggregate bit rate is determined while ignoring the duplicated PDCP packets.

Embodiments of a Next Generation Node B (gNB) are described herein. The gNB may be configured with logical nodes, including a gNB central unit (gNB-CU) and a gNB distributed unit (gNB-DU). The gNB-CU may include a gNB-CU control plane (gNB-CU-CP) for control-plane functionality, and a gNB-CU user plane (gNB-CU-UP) for user-plane functionality. The gNB may initiate an E1 interface setup procedure, a bearer context setup procedure, and a UE context setup procedure to establish a UE context that includes a signaling radio bearer (SRB) and a data radio bearer (DRB) configuration. The UE context setup request message may be configured to include quality-of-service parameters for the DRB configuration.

Disclosed are an information transmission method and device, and a computer readable storage medium. The method comprises: an edge node sends a radio capability exposure request to a target transmission node at a radio access network side; the edge node receives radio capability exposure response information responded by the target transmission node. Specifically, the edge node sends the radio capability exposure request to the target transmission node at the radio access network side by means of an Xm interface, and receives the radio capability exposure response information responded by the target transmission node by means of the Xm interface or User Plane Functionality (UPF). In the solution of the present invention, the edge node can directly send the radio capability exposure request to the target transmission node at the radio access network side, and the target transmission node can also directly send the capability exposure response information to the edge node without the need of a core network, and thus better solving the problems in the related art that an information transfer delay exists in a radio capability exposure mode and the burden of core network processing is increased.

Disclosed are an information transmission method and device, and a computer readable storage medium. The method comprises: an edge node sends a radio capability exposure request to a target transmission node at a radio access network side; the edge node receives radio capability exposure response information responded by the target transmission node. Specifically, the edge node sends the radio capability exposure request to the target transmission node at the radio access network side by means of an Xm interface, and receives the radio capability exposure response information responded by the target transmission node by means of the Xm interface or User Plane Functionality (UPF). In the solution of the present invention, the edge node can directly send the radio capability exposure request to the target transmission node at the radio access network side, and the target transmission node can also directly send the capability exposure response information to the edge node without the need of a core network, and thus better solving the problems in the related art that an information transfer delay exists in a radio capability exposure mode and the burden of core network processing is increased.

Embodiments of a User Equipment (UE) to support dual-connectivity with a Master Evolved Node-B (MeNB) and a Secondary eNB (SeNB) are disclosed herein. The UE may receive downlink traffic packets from the MeNB and from the SeNB as part of a split data radio bearer (DRB). At least a portion of control functionality for the split DRB may be performed at each of the MeNB and the SeNB. The UE may receive an uplink eNB indicator for an uplink eNB to which the UE is to transmit uplink traffic packets as part of the split DRB. Based at least partly on the uplink eNB indicator, the UE may transmit uplink traffic packets to the uplink eNB as part of the split DRB. The uplink eNB may be selected from a group that includes the MeNB and the SeNB.

A method and system to control configuration of dual-connectivity service a user equipment device (UE), wherein the dual-connectivity service including the UE being served concurrently by a master node (MN) over a first connection and by a secondary node (SN) over a second connection. An example method includes (i) identifying multiple pairs of access nodes as candidate pairs of access nodes to be the MN and SN for the dual-connectivity service, (ii) for each identified pair, determining an inter-access-node communication delay, (iii) comparing the determined inter-access-node communication delays of the identified pairs and, based on the comparing, selecting one of the identified pairs to be the MN and SN for the dual-connectivity service, and (iv) causing the dual-connectivity service to be set up for the UE with the selected pair of access nodes being the MN and SN for the dual-connectivity service.

A Layer 2 measurement method and a network side device are provided. The Layer 2 measurement method is performed by the network side device and includes: obtaining measurement information required for measuring a Layer 2 measurement object; and obtaining a Layer 2 measurement result according to the measurement information. The Layer 2 measurement result includes at least a result obtained by measuring the Layer 2 measurement object of a packet transmitted through an interface between a master node and a secondary node.

A user equipment (UE) communicates in dual connectivity (DC) with a master node (MN) and a secondary node (SN) (2002). The UE determines that a radio connection with the MN has failed (2004); transmits, the SN, an indication of the failed radio connection, using radio resources of the SN (2006); detects, after the determining and before the radio connection is recovered, an uplink message for transmission to the MN (2008); and transmits, after the radio connection with the MN is recovered, the uplink message to the MN, using radio resources of the MN (2010).

An access point (AP) of an AP multi-link device (MLD) is associated with a first communication link, and one or more secondary APs of the AP MLD are associated with one or more respective secondary communication links of the AP MLD. The first AP of the AP MLD generates a frame including a first change sequence field, one or more secondary change sequence fields, and a critical update flag subfield. The first change sequence field carries a value of the most-recent critical update for the first AP. The one or more secondary change sequence fields carry values of the most-recent critical updates for the one or more respective secondary APs. The critical update flag subfield carries an indication of a change in value of at least one of the secondary change sequence fields. The first AP transmits the frame over the first communication link of the AP MLD.

According to certain embodiments, a method in a wireless device (110) includes transmitting a protocol data unit (PDU) or segment of a PDU on a first link and transmitting the PDU or the segment of the PDU on a second link. One or more retransmissions of the PDU or the segment of the PDU are scheduled on the second link. A positive acknowledgment is received from a receiver. The positive acknowledgement indicates a successful receipt of the PDU or the segment of the PDU on the first link. In response to receiving the positive acknowledgement, the one or more retransmissions of the PDU or the segment of the PDU on the second link are cancelled.