270 results about "Data radio bearer" patented technology

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 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.

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.

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.

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.

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 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.

A unit equipment (UE) configured to establish a protocol data unit (PDU) session including one or more quality of service (QoS) flows and multiple data radio bearers (DRB) for communications with a network, decode, from signals received from the network, or determine an initial mapping table for a QoS flow to DRB mapping based on a network configuration of mapping parameters, decode, from signals received from the network, or determine information regarding current or upcoming traffic on the one or more QoS flows or one or more DRBs, and configure transceiver circuitry to transmit an indication to the network based on the information regarding current or upcoming traffic on the one or more QoS flows or one or more DRBs.

This application provides a method, device, and storage medium for establishing a feeder link. The method includes: determining to provide a feeder service to a gateway station and broadcasting a system message about the feeder cell; and, after establishing a radio resource control (RRC) connection with the gateway station, configuring a feeder data radio bearer (DRB) for the gateway station. This method establishes a feeder link.

A method and device for a relay User Equipment (UE) are disclosed. In one embodiment, the relay UE establishes a first PC5 Radio Resource Control (RRC) connection with a first remote UE. The relay UE further establishes a second PC5 RRC connection with a second remote UE. The relay UE also transmits a first RRC Reconfiguration Sidelink message to the first remote UE, wherein the first RRC Reconfiguration Sidelink message includes a configuration of a first PC5 Relay Radio Link Control (RLC) channel associated with at least one end-to-end sidelink Data Radio Bearer (DRB) established between the first remote UE and the second remote UE. In addition, the relay UE receives a PC5 RRC message from the first remote UE, wherein the PC5 RRC message includes a destination identity of the second remote UE to indicate an end-to-end PC5 connection release or failure.

The invention refers to a method being performed by a wireless device, UE, to forward data of an application patent unit, PDU, the application PDU being generated by an application in the UE, wherein this wherein the UE performs the steps of: segmenting (100) the application PDU into a plurality of data packets, determining (101) one or a plurality of Quality-of-Service, QoS, parameters associated to the application PDU, determining (102) that different data packets need a different forwarding treatment to comply with the one or the plurality of QoS parameters, and mapping (103) the different data packets to different data radio bearers, DRBs, or providing a different treatment for forwarding in one DRB; the invention further refers to corresponding methods in a code network and in a radio access, RAN node; the invention further relates to a corresponding UE, a core network node and a RAN node.

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 for realizing stable display of a 5G signal includes when a master node is switched and a secondary cell group bearer is released in a dual-connectivity network, starting a first timer and displaying the 5G signal; when it is determined that the first timer expires and it is detected that a radio resource control is in an idle state, starting a second timer and displaying the 5G signal; when it is determined that the second timer expires and it is detected that the radio resource control is in a connected state, querying a number of data radio bearers and displaying a signal type according to the number of data radio bearers; and when it is detected that the radio resource control is in the idle state, querying an information database of a 5G cell and displaying the signal type according to information of the 5G cell.

This disclosure relates to techniques for changing protocol data unit (PDU) set processing behavior upon activation or deactivation of PDU set importance (PSI)-based discarding mechanism, particularly where an indication to activate / deactivate the PSI-based discarding mechanism is received when a PDU set has been partially processed. In some scenarios, the PSI-based discarding mechanism may be applied to the remainder of the PDUs in the partially processed PDU set. In other scenarios, the PSI-based discarding mechanism may not be applied until the next PDU set. In some scenarios, the decision of whether to apply the PSI-based discarding mechanism to the remainder of the PDUs in the partially processed PDU set may be based on additional conditions, e.g., involving the processing progress of the PDU set, the importance of the PDU set, other configuration details of the data radio bearer (DRB), buffer size, etc.

There is provided a method performed by a user equipment, the method comprising: receiving, from a network node, information for establishing a first data radio bearer, DRB, and a second DRB, wherein

Provide are a small data transmission method and apparatus, and a terminal device. The method includes: the terminal device determines a first data amount, which includes 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.

A user equipment (UE) configured to establish a protocol data unit (PDU) session including one or more quality of service (QoS) flows and multiple data radio bearers (DRB) for communications with a network, decode, from signaling received from the network, or determine an initial mapping table for a Qos flow to DRB mapping based on a network configuration of mapping parameters, determine a first QoS flow to map or remap to a new or different DRB and configure transceiver circuitry to transmit a request to the network for the first Qos flow to be mapped or remapped to the new or different DRB.

Provided are a transmission control method, device, terminal and access network device, the method being applied to the terminal, the method comprising: receiving configuration information sent by the access network device, the configuration information being used for configuring at least two sets of transmission parameters of a quality of service (QoS) flow and / or a data radio bearer (DRB); and according to the configuration information, selecting a transmission parameter required by QoS to perform uplink transmission.

A method and apparatus for releasing a PC5 relay radio link control channel. In an embodiment, a relay user equipment establishes first and second PC5 radio resource control connections with first and second remote user equipment. The relay user equipment transmits a configuration of a first PC5 relay radio link control channel associated with an end-to-end side link data radio bearer established between the first remote user equipment and a second remote user equipment to the first remote user equipment. In addition, the relay user equipment receives a destination identity of the second remote user equipment from the first remote user equipment to indicate that the end-to-end PC5 connection is released or failed. If there is no other end-to-end sidelink data radio bearer associated with the first PC5 relay radio link control channel, the relay user equipment transmits a first list of sidelink radio link control channels to be released to the first remote user equipment, the first list containing an identity of the first PC5 relay radio link control channel.

Example embodiments of the present disclosure relate to a device, method, apparatus and computer readable storage medium of scheduling request (SR) and random access (RA) triggering for small data transmission (SDT). In example embodiments, a terminal device receives, from a network device, a configuration of one or more configured grant (CG) resources for a SDT procedure and a list of one or more data radio bearers (DRBs) associated with respective logical channels (LCHs) allowed for SDT over at least one of the one or more CG resources. After the terminal device initiates the SDT procedure in an inactive mode, if the terminal determines that a buffer status report (BSR) is triggered, the terminal device determines whether a configuration of a SR mask is to be applied for a LCH configured for SDT.

A method for wireless communication at a user equipment (UE) and related apparatus are provided. In the method, the UE determines a discard configuration for a discard process based on protocol data unit (PDU) set importance (PSI) associated with a set of data radio bearers (DRBs). The discard configuration includes a discard timer and discard information for each DRB in the set of DRBs. The UE further transmits, for a network entity, one or more data packets over the set of DRBs based on the discard configuration.

The present disclosure describes methods, system, and devices for configuring dynamic quality of service (QoS) parameters for protocol data unit (PDU) sets. One method includes determining, by a first network node, a data radio bearer (DRB) level PDU set QoS parameter (PSQP) configuration for one or more DRBs; and sending, by the first network node, a first request message to a second network node, wherein the first request message comprises the determined DRB level PSPQ for the one or more DRBs. In some implementations, the PDU set traffic is carried over the one or more DRBs.

According to an implementation mode, a communication device receives a packet data convergence protocol (PDCP) protocol data unit (PDU) on a data radio bearer (DRB) configured for the communication device, and the PDCP protocol data unit (PDU) is configured on the data radio bearer (DRB) configured for the communication device. The PDCP PDU comprises an indication of a transmission mode, the transmission mode is used for transmitting a PDCP SDU (Service Data Unit) received on the DRB to an upper layer associated with the communication equipment, and the indication of the transmission mode indicates in-order transmission (IOD) or out-of-order transmission (OOD). The communication device processes the PDCP PDU to generate a PDCP SDU and a COUNT value associated with the PDCP SDU. And the communication equipment transmits the PDCP SDU to the upper layer according to the indication of the transmission mode.