467 results about "Data radio bearer" patented technology

A method and device for a User Equipment (UE) for connecting with a network are disclosed. In one embodiment, the UE delivers a first Protocol Data Unit (PDU) of a first PDU set from a Quality of Service (QoS) flow to a first Data Radio Bearer (DRB). The UE also receives a message or an indication from the network for remapping the QoS flow from the first DRB to a second DRB. Furthermore, the UE delivers a second PDU of the first PDU set to the first DRB, wherein the second PDU is delivered to the first DRB after receiving the message or the indication.

A wireless device is configured to receive information from a network node. The information indicates whether or not a medium access control, MAC, service data unit, SDU, for a signaling radio bearer, SRB, or data radio bearer, DRB, is to be received by the wireless device in the same MAC protocol data unit, PDU, as a MAC PDU carrying a random access success response message. This random access success response message indicates both a random access channel and an uplink shared channel payload were decoded successfully. In some embodiments, the wireless device is configured to receive a MAC PDU carrying the random access success response message, and to process the received MAC PDU based on the received information indicating whether a MAC SDU for an SRB or DRB is included in the received MAC PDU.

A method and device for a User Equipment (UE) for connecting with a network are disclosed. In one embodiment, the UE delivers a first Protocol Data Unit (PDU) of a first PDU set from a Quality of Service (QoS) flow to a first Data Radio Bearer (DRB). The UE also receives a message or an indication from the network for remapping the QoS flow from the first DRB to a second DRB. Furthermore, the UE delivers a second PDU of the first PDU set to the first DRB, wherein the second PDU is delivered to the first DRB after receiving the message or the indication.

A method performed by a wireless device to receive an excess delay measurement configuration from a serving radio access network, RAN, node and perform measurements according to the excess delay configuration includes receiving an excess delay configuration to perform uplink PDCP excess delay measurements, the excess delay configuration including a list of PDCP excess delay thresholds associated with data radio bearer, DRB, identities, IDs. The method includes performing uplink PDCP excess delay measurements based on threshold values in the excess delay configuration. The method includes transmitting an excess delay measurement report to the serving RAN node, the excess delay measurement report including a list of PDCP excess delay measurements.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a terminal in a wireless communication system is provided. The method includes identifying whether a packet data convergence protocol (PDCP) entity is suspended in case that the PDCP entity re-establishment is requested from an upper layer, identifying whether an indicator is configured for indicating that an uplink data compression (UDC) is continuously used and a PDCP service data unit (SDU) is compressed, for an acknowledged mode (AM) data radio bearer (DRB) whose the PDCP entity is not suspended, and submitting the PDCP SDU, in case that the indicator is configured for indicating that the UDC is continuously used and the PDCP SDU is compressed.

A WTRU operating in an inactive state may be associated with a first cell. The WTRU may be configured to receive configuration information for a time period associated with small data transmission failure detection and a search space associated with small data transmission. The WTRU may be configured to send a first small data transmission and start the time period. The WTRU may be configured to monitor for a downlink transmission in the search space during the time period. If a condition for cell reselection is satisfied during the time period or the restarted time period, the WTRU may be configured to suspend a data radio bearer (DRB) associated with small data transmission, select a second cell, perform a random access procedure associated with the second cell, and send a small data transmission. The random access procedure may include sending a request to resume a radio resource control (RRC) connection.

A method of connection establishment through a relay UE for a remote UE is proposed. The remote and relay UEs first perform discovery and establish a PC5 radio resource control (PC5-RRC) connection. Upon receiving a request from the remote UE, the relay UE and a serving gNB perform a relaying procedure for establishment of the remote UE's signalling radio bearer 1 (SRB1). The relay UE configures PC5 RLC channels for relaying of SRB1 towards the remote UE. The remote UE then enters an RRC_CONNECTED state. The remote UE and gNB establish security. The gNB configures additional data radio bearers (DRBs) for relaying. The relay UE configures PC5 RLC channels for relaying of the additional DRBs towards the remote UE. The DRBs can then be used for exchange of data between the remote UE and the gNB.

Certain aspects of the present disclosure provide a method for wireless communication by a user equipment (UE). The UE receives a configuration of at least one quality of service (QoS) profile identifier (QPI) from a network entity. The at least one QPI is associated with a plurality of QoS flows within a data radio bearer (DRB). Each QoS flow of the plurality of QoS flows is associated with at least one protocol data unit (PDU). The UE performs one or more Layer 2 (L2) procedures based on the received configuration.

A first base station receives, from a second base station, a message requesting a configuration of a data radio bearer (DRB) for a wireless device, wherein the message indicates that the DRB is associated with a protocol data unit (PDU) set of an application.

The disclosure relates to a 5G or 6G communication system for supporting higher data transmission rate. According to various embodiments disclosed herein, a method performed by a terminal in a wireless communication system may comprise the steps of: receiving configuration information from a base station when first information related to an extended reality (XR) multi-modal traffic service is added or modified, wherein the configuration information instructs the reporting of second information related to the first information; transmitting the second information to the base station on the basis of the configuration information, wherein the second information includes at least one of traffic characteristic information about each of one or more data radio bearers (DRB) servicing the multi-modal traffic or new configuration information preferred by each of the one or more DRBs; and receiving a first radio resource control (RRC) reconfiguration message including modified information about each of the one or more DRBs.

The disclosure provides a method in a user equipment (UE), comprising: receiving, from a first network node, a first Minimization of Drive Tests (MDT) configuration relating to measurements for a first data radio bearer (DRB) of a first DRB type: receiving, from a second network node, a second MDT configuration relating to measurements for a second DRB of the first DRB type; and reporting a plurality of measurement reports.

Embodiments of the subject application relate to methods and apparatuses for a packet data convergence protocol (PDCP) service data unit (SDU) reception handling operation. According to an embodiment of the subject application, a user equipment (UE) includes a processor and a transceiver coupled to the processor; and the processor is configured to: receive a configuration for enabling an update function of a delivery state variable associated with a first packet data convergence protocol (PDCP) service data unit (SDU) not delivered by a PDCP entity of a data radio bearer (DRB) to an upper layer of the UE via the transceiver from a network; and enable the update function of the delivery state variable for the PDCP entity of the DRB based on the configuration.

Embodiments of the present application provide a small data transmission method and apparatus, and a terminal device. The method comprises: the terminal device determines a first data amount, which comprises a data amount of radio resource control (RRC) messages and a data amount of at least one data radio bearing (DRB) cache; and the terminal device determines, based on the first data amount, whether to initiate an inactive state small data transmission.

Embodiments of the subject application relate to methods and apparatuses for enhancements of a data discarding operation. According to an embodiment of the subject application, a user equipment (UE) includes a processor and a transceiver coupled to the processor; and the processor is configured: to determine whether to start a timer associated with at least one of an uplink (UL) data discarding function or a configured grant (CG) prohibiting function or a scheduling request (SR) prohibiting function of the UE; to start the timer, in response to determining to start the timer; and to perform at least one of: discarding UL data for a data radio bearer (DRB) to be transmitted when the timer is running; prohibiting a transmission on a logical channel (LCH) associated with one or more sets of CGs or associated with one or more sets of SR resources configured for the UE when the timer is running; or prohibiting a trigger of a SR for the LCH associated with the one or more sets of CGs or associated with the one or more sets of SR resources when the timer is running.

Various aspects of the present disclosure relate to data burst prediction and / or buffer size prediction. In one aspect, a UE receives, from a base station, a first configuration for data burst prediction for a quality of service (QoS) flow, data radio bearer (DRB) or service type. In turn, the UE performs the data burst prediction to generate predicted data burst information for the QoS flow, DRB or service type based on the first configuration. Then, the UE transmits the predicted data burst information to the base station.

Techniques are provided an uplink grant prioritized for use by one or more logical channels buffered with important protocol data unit sets. In some scenarios the uplink grant is prioritized for logical channels corresponding to data radio bearers having an activated packet set importance-based discarding mechanism. Techniques are provided for an adaptive LCP procedure that may be applied to such logical channels. Techniques are provided for scheduling requests and status reporting based upon the activated mechanism. These and many other features and examples are described.

Multi-hop configurations in Integrated Access and Backhaul (IAB) networks are provided for reduced latency. For example, modifications to a backhaul adaptation protocol (BAP) header supports faster data radio bearer (DRB) transmissions. Or, for both signaling radio bearer (SRB) and DRB flows, configuration forwarding may be used to reduce configuration latency wherein a single RRCReconfiguration message is forwarded to intermediate nodes that process the configuration and respond back independently. Alternatively, for both SRB and DRB flows, configuration multi-casting may be used for simultaneous IAB node and backup configurations. Methods are provided for fast activation of backup links in IAB nodes.

A method performed by a first network node includes generating a data volume report based on one or more characteristics associated with data communicated between the first network node and a user equipment. The one or more characteristics identify that the data volume report is to be generated on at least one of a per Data Radio Bearer basis and a per Quality of Service basis. The data volume report is transmitted to a second network node. The data volume report further includes an indication of a radio access technology type associated with the data volume report.

Systems, methods, and instrumentalities are described herein related to data treatment in the protocol stack. An example device may include a processor configured to perform one or more actions. For example, a device (e.g., a wireless transmit / receive unit (WTRU)) may (e.g., be configured to) receive first transmission configuration information indicating a first transmission configuration. The first transmission configuration may indicate a first mapping condition and / or a first mapping between a quality-of-service (QoS) flow and a first data radio bearer (DRB). The device may receive second transmission configuration information indicating a second transmission configuration. The second transmission configuration may indicate a second mapping condition and / or a second mapping between the QoS flow and a second DRB. The device may determine that a condition is satisfied. The device may select a transmission configuration from the first and / or second transmission configuration based on the determination that the condition.

This disclosure relates to mechanisms for allocating and mapping wireless communication resources for a multicast / broadcast session in a wireless network. In some exemplary implementations, data flows in a multicast / broadcast session may be duplicated and adaptively and dynamically mapped to multiple independent radio bearers, where each of these multiple independent radio beaters may be configured to either multicast the multicast / broadcast data to a group of target user equipments or unicast the multicast / broadcast data to a single user equipment.

The present disclosure relates to a method and device for performing handover in a wireless communication system. An operating method of a user equipment (UE) in a wireless communication system may include: receiving, from a source base station, a radio resource control (RRC) reconfiguration message indicating handover, the RRC reconfiguration message including data radio bearer (DRB) configuration information; in case that the DRB configuration information includes an indicator indicating a configuration of a dual active protocol stack (DAPS) for at least one DRB, generating a multimedia access control (MAC) entity for a target base station; configuring the MAC entity for the target base station based on MAC configuration information included in the RRC reconfiguration message indicating the handover; suspending a signaling radio bearer (SRB) for the source base station; and establishing or configuring a SRB for the target base station.

Embodiments of the present disclosure relate to a method, device, and computer-readable medium for communication. The method includes: determining, at a network device, a data radio bearer associated with a multicast service; and sending, to a terminal device, first information including an identifier of the multicast service and an identifier of the data radio bearer. The method further includes: receiving, at the terminal device, the first information from the network device; and performing communication between the terminal device and the network device based on the first information. In this way, simultaneous transmission of multicast and unicast for MBMS can be achieved, and the reliability of MBMS can be enhanced.

The embodiment of the invention provides a data transmission method and device and a storage medium, relates to the technical field of communication, and is used for reducing the complexity of data transmission. The method comprises the following steps: receiving one-way link data radio bearer (DRB) configuration information from a second network element, wherein the one-way link DRB configuration information is used for configuring a DRB special for a one-way link; and configuring a DRB special for the one-way link based on the one-way link DRB configuration information.

There is provided a method in a user equipment of a wireless communication network. The method comprises transmitting, via a first data radio bearer, Protocol Data Units (PDUs) of a first PDU set using a first quality of service (QoS) mapping rule. The method further comprises: receiving downlink packets for the data radio bearer containing header information including at least one QoS parameter indicating a second QoS mapping rule; applying the first QoS mapping rule to uplink transmissions on said data radio bearer until the transmission of the last PDU of the first PDU set; and transmitting PDUs of a second PDU set using the second QoS mapping rule.

A method includes determining (401) information relating to each of a plurality of devices and transmitting (403) the information to cause a data flow to be requested with one or more quality-of-service requirements and the admittance of the data flow with the one or more quality-of-service requirements to be decided upon based on the information. The plurality of devices includes a first device which includes a first wireless receiver and a second device which includes a second wireless receiver. The method further comprises obtaining (405) a first signal received by the first wireless receiver over a data radio bearer associated with the data flow, obtaining (407) a second signal received by the second wireless receiver over the data radio bearer or over a further data radio bearer associated with a further data flow and extracting (409) data from the first and second signals by aggregating the first and second signals.

Embodiments of this application provide a communication method and apparatus, and a computer-readable storage medium. The communication method may include: A terminal device receives a first indication from a network device. The first indication includes a first configuration of a data radio bearer (DRB) of the terminal device or a first configuration of a first logical channel (LCH) or a second LCH corresponding to the DRB, and the first configuration indicates to trigger a buffer status report (BSR) when a first duration expires and to-be-transmitted data on the first LCH or the second LCH meets a first condition. According to embodiments of this application, the BSR can be triggered in a timely manner, avoiding a data loss, helping assist the network device in adjusting a scheduling policy, and improving communication quality.

A method of assigning data capacity to network slices in a mobile communications network comprises acquiring identifiers of the network slices managed by a device, an indication of types of services being provided in the identified network slices, number of data radio bearers (DRBs) served by each network slice and number of DRBs served by each service type in each network slice; adding the acquired identifiers, indication of types of services being provided, number of DRBs served by each network slice and number of DRBs served by each service type in each network slice; computing a slice weight for the data capacity to be assigned as a product of an initial weight indicating the data capacity being assigned and the number of DRBs divided by a sum; and assigning the data capacity to said each network slice in accordance with the computed slice weight.

The present application relates to methods and apparatuses for simultaneous transmission on multiple paths. One embodiment of the present disclosure provides a relay user equipment (UE), which includes: a transceiver: and a processor coupled with the transceiver and configured to: receive configuration information associated with a data radio bearer (DRB) of a remote UE; and receive, from at least one of a base station (BS) or from the remote UE, a first indication indicating activation or deactivation of a simultaneous transmission on multiple paths of the DRB of the remote UE, wherein the multiple paths include at least a direct path and an indirect path.

Apparatuses, methods, and systems are disclosed for increasing the transmission reliability for transmissions of a duplication bearer in a shared or unlicensed spectrum. A UE apparatus for a mobile network (“NW”) includes a transceiver that initiates a listen before talk procedure (“LBT”) on shared spectrum, for transmission of a medium access control (“MAC”) protocol data unit (“PDU”) containing an original packet data convergence protocol (“PDCP”) PDU of a data radio bearer (“DRB”) configured for PDCP duplication, wherein PDCP duplication is deactivated for the DRB. The apparatus includes a processor that determines whether the LBT failed or succeeded and selectively enables PDCP duplication for the DRB in response to determining that the PDCP PDU was not transmitted due to failure of the LBT.

Provided are a communication method and device, the method comprising: a centralized unit user plane node (CU-UP) obtaining first information, the first information being used for instructing the CU-UP to map a first data packet to a first data radio bearer (DRB) and setting a reflection mapping indication field of the first data packet, a quality of service (QoS) flow to which the first data packet belongs is a first QoS flow; the CU-UP receives the first data packet sent by a core network device; the CU-UP sets a reflection mapping indication field of the first data packet; and the CU-UP sends the first data packet after the mapping field is set to the terminal equipment on the first DRB, and the communication method provided by the invention can realize mapping from the first QoS flow to the first DRB in a CU-DU separated base station architecture. Therefore, the data of the user can be transmitted smoothly and normally, the network stability is improved, the network operation quality is improved, and the user experience is improved.