2702 results about "Protocol data unit" patented technology

A method of processing a protocol data unit (PDU) set for a data network includes steps of (a) receiving a first PDU packet of the PDU set, (b) receiving, subsequent to reception of the first PDU packet, a second PDU packet of the PDU set, (c) determining, after receiving the first and second PDU packets, a congestion status of the data network for the PDU set, (d) controlling, based on the determined congestion status, a handling state of the second PDU packet to match a handling state of the first PDU packet, and (e) transmitting the first PDU packet and the controlled second PDU packet to a destination receiver of the data network.

Embodiments of the subject application relate to methods and apparatuses for a delay status report associated with a protocol data unit (PDU) set. 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 delay information associated with one or more protocol data unit (PDU) sets received from an upper layer of the UE, wherein the delay information includes at least one of: a remaining PDU set delay budget; a PDU set buffer delay; a PDU set delay budget offset; or first timing when receiving a PDU within the one or more PDU sets from the upper layer; and transmit a report including the delay information, wherein the report is at least one of: a delay budget report (DBR); a delay report (DR); an arriving timing report (ATR); or an enhanced buffer status report (EBSR).

An apparatus may be configured to: receive, from a first user equipment, at least one real-time transport protocol header extension configured to handle at least one protocol data unit, wherein the at least one real-time transport protocol header extension comprises, at least, one or more application controlled bits; determine whether the one or more application controlled bits are valid; and set values for one or more network controlled bits of the at least one real-time transport protocol header extension based, at least partially, on a determination of whether the one or more application controlled bits are valid, wherein the one or more application controlled bits comprise bits that do not overlap with the one or more network controlled bits.

Various methods and systems of the present disclosure provide a protocol data unit (PDU) set based quality of service (QoS) handling in a wireline access. To support the PDU Set based QoS handling in the wireline access, one or more PDU Set QoS parameters and / or PDU Set information may be provided to one or more wireline nodes (e.g., a wireline gateway access function (W-AGF) and / or a residential gateway (RG) etc.). When the W-AGF receives one or more N2 requests associated with one or more PDU session resources, the W-AGF maps one or more QoS profiles received from 5G core (5GC) to a wireline access user plane (W-UP) QoS level. The W-AGF sets up one or more W-UP resources based on the W-UP QoS level for a PDU session. Further, various methods and systems of the present disclosure also provide low latency, low loss, and scalable throughput (L4S) enabled wireline access.

The present disclosure describes methods, system, and devices for performing network slice replacement during user equipment (UE) mobility. The method includes receiving, by a radio-access network (RAN), a list of to-be-switched protocol data unit (PDU) sessions during a handover procedure; selecting, by the RAN, a single-network slice selection assistant information (S-NSSAI) from a list of S-NSSAIs, the S-NSSAI corresponding to a PDU session in the list of to-be-switched PDU sessions; and sending, by the RAN, a message to an access and mobility management function (AMF), the message comprising the PDU session in a list of PDU sessions that require slice replacement and the S-NSSAI associated with each PDU session.

A method of processing a protocol data unit (PDU) set for a data network includes steps of (a) receiving a first PDU packet of the PDU set, (b) receiving, subsequent to reception of the first PDU packet, a second PDU packet of the PDU set, (c) determining, after receiving the first and second PDU packets, a congestion status of the data network for the PDU set, (d) controlling, based on the determined congestion status, a handling state of the second PDU packet to match a handling state of the first PDU packet, and (e) transmitting the first PDU packet and the controlled second PDU packet to a destination receiver of the data network.

Systems, methods, and tools may schedule protocol data unit (PDU) sets. A wireless transmit receive (WTRU) may receive configuration information, including a delay threshold and a configured grant (CG) arrangement, from a network node. The WTRU may receive a first PDU subset and related information from an application. The WTRU may estimate the payload size and arrival time of a second PDU subset. Based on the estimates and the payload size of the first subset, the WTRU may determine the first and second groups of CG PUSCH occasions. If the estimated arrival time difference between the two subsets is larger than the delay threshold, the WTRU may identify an available CG PUSCH occasion. The information may be sent to the network node.

The invention provides a communication module low-delay switching control method based on HPLC and HRF, and relates to the technical field of data processing, and the method comprises the following steps: when an index continuously exceeds a dynamically adjusted judgment threshold, a switching judgment unit generates a mode switching enable signal, and initializes an HRF channel pre-synchronization sequence; based on a pre-stored HRF channel feature vector table, HRF channel negotiation and authentication handshake processes are executed in parallel while HPLC link state monitoring is maintained; through a dual-channel redundancy transmission mechanism, the key fault information is packaged into a final priority protocol data unit before the establishment of the HRF link is not completed, and redundancy forwarding is carried out through a reserved time slot window of the HPLC link; and after the handshake of the HRF link is completed, the switching control unit executes seamless switching of the data transmission channel. According to the invention, the accuracy of channel state judgment is improved.

Various aspects of the present disclosure relate to changing network slices for a protocol data unit (PDU) sessions. An apparatus receives a first signaling as a registration request from a user equipment (UE) to register with a first network slice, and the apparatus transmits a second signaling indicating acceptance of the registration and an allowability of the UE to register with an alternative network slice. The UE transmits the first signaling to request a registration with the first network slice, and receives the second signaling indicating the registration with the first network slice and an allowability to register with the alternative network slice. The UE transmits a third signaling to establish a first PDU session on the first network slice.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method by an access and mobility management function (AMF) in a wireless communication system, according to an embodiment, may comprise, when processing at least one protocol data unit (PDU) session included in a network slice for service continuity, determining a PDU session to be released in the network slice among the at least one PDU session and transmitting a release request message including a PDU session identifier corresponding to the PDU session to be released in the network slice to a session management function (SMF).

The invention relates to the technical field of electric power system communication, in particular to an electric power 5G network service quality monitoring method and system and a storage medium, and the method comprises the steps: responding to a protocol data unit session establishment request signaling, and obtaining signaling plane data and data plane performance data through a signaling plane probe and a data plane probe; associating the signaling plane data with the data plane performance data through the service quality flow identifier and the timestamp to generate a multi-dimensional spatial-temporal characteristic matrix; based on the multi-dimensional spatio-temporal characteristic matrix, a network quality prediction score is obtained through dynamic spatio-temporal causality graph network prediction; and when the network quality prediction score exceeds a preset score threshold, establishing a network resource configuration optimization model to obtain an optimal network resource configuration strategy. According to the method, the signaling plane data and the data plane performance data are subjected to correlation analysis, and the network quality is predicted by using the dynamic space-time causal graph network, so that the network resource configuration is optimized, and the service quality of the power 5G network is ensured.

A method of processing a protocol data unit (PDU) set for a data network includes steps of (a) receiving a first PDU packet of the PDU set, (b) receiving, subsequent to reception of the first PDU packet, a second PDU packet of the PDU set, (c) determining, after receiving the first and second PDU packets, a congestion status of the data network for the PDU set, (d) controlling, based on the determined congestion status, a handling state of the second PDU packet to match a handling state of the first PDU packet, and (e) transmitting the first PDU packet and the controlled second PDU packet to a destination receiver of the data network.

Disclosed is a method for transmitting and receiving a physical protocol data unit (PPDU) in a wireless communication system. A terminal receives a preamble of the PPDU from an access point (AP). The preamble includes a universal signal (U-SIG) field and an extremely high throughput (EHT)-SIG field, wherein the EHT-SIG field may be configured with at least one content channel on a frequency axis. Here, the number of the at least one content channel may be recognized on the basis of the U-SIG field. Subsequently, the terminal receives data of the PPDU on the basis of the U-SIG field and the EHT-SIG field.

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.

The present disclosure provides a method (500) performed by a Service Management Function (SMF) for handling a Protocol Data Unit (PDU) session, comprising: generating (S501) an error indication when receiving a request message for a service operation via a service communication proxy (SCP) from an Access and Mobility Management Function (AMF) after a User Equipment (UE) establishes the PDU session with the SMF and moves from a first service area to a second service area which is different from the first service area and not supported by the SMF, the SMF being a first SMF or an intermediate SMF (1-SMF) supporting the first service area; and transmitting (S503) a response message for the service operation including the error indication to the AMF via the SCP.

Disclosed are a method and an apparatus for transmission or reception of an STF for a new numerology in a wireless LAN system. A method performed by a first station (STA) in a wireless LAN system according to an embodiment of the present disclosure may comprise the steps of: generating a physical layer protocol data unit (PPDU) including a non-legacy short training field (STF); and transmitting the generated PPDU to one or more second STAs. In the non-legacy STF, for a PPDU type supporting a new numerology, a specific STF sequence may be applied to each transmission bandwidth of the PPDU type.

This disclosure discloses a multi-link communication method and a related apparatus. In a scenario in which simultaneous transmission and reception over a plurality of links is not supported, a multi-link device first sends a first physical layer protocol data unit (PPDU) over a first link, and then sends a second PPDU over a second link through channel contention, where an end time of the second PPDU is not later than an end time of the first PPDU. The method not only ensures fairness of multi-link access, but also can reduce an idle rate of the plurality of links.

A first network node receives, from a second network node, a message indicating whether a first maximum number of protocol data unit (PDU) sessions, of a multi-access protocol data unit (MA-PDU) established for a wireless device on a network slice, has been reached for a first radio access technology (RAT) type, or a second maximum number of PDU sessions established on the network slice has been reached for a second RAT type.

A station (STA) receives, via a channel, an overlapping basic service set (OBSS) physical layer protocol data unit (PPDU) comprising an indication of whether the OBSS PPDU contains latency sensitive (LS) traffic or whether pre-emption of the OBSS PPDU is allowed. The STA accesses the channel, to transmit a PPDU, based on the indication. Accessing the channel to transmit the PPDU based on the first indication may comprise accessing the channel to transmit the PPDU without consideration of overlap of the PPDU with the OBSS PPDU, based on the indication indicating that the OBSS PPDU does not contain LS traffic or that pre-emption of the OBSS PPDU is allowed.

Methods, apparatus, and systems for providing multicast handover are disclosed. In one example aspect, the method includes receiving, by a target radio access node (T-RAN) from a source radio access node (S-RAN) or from an access and mobility management function (AMF), a handover request including a multicast or broadcast context for a handover of a multicast and broadcast service (MBS) to the T-RAN. The method further includes binding a shared tunnel for the MBS and a flow in a unicast protocol data unit (PDU) session in a case that an MBS session identified in the multicast or broadcast context has already been established at the T-RAN, and sending, to an AMF, a message including a handover request acknowledgment or a path switch.

A hierarchical-context area network includes a first virtual private network infrastructure context area network for a first virtual private network infrastructure context area in a first virtual private network infrastructure context level that includes a first virtual private network server, a second virtual private network infrastructure context area network for a second virtual private network infrastructure context area in the second virtual private network infrastructure context level that includes a second virtual private network server, wherein the first virtual private network server receives a protocol data unit from a client device and identifies the second virtual private network server, in accordance with a routing control policy defined by the hierarchical-context area network, as a current point of egress for transporting the protocol data unit through the hierarchical-context area network to send to an external device.

A data transmission method and a communication apparatus. An access network device receives a PDU set of a service used on a terminal, where the PDU set includes a first PDU set and a second PDU set, and a service to which the first PDU set belongs is the same as a service to which the second PDU set belongs. The access network device sends the first PDU set to the terminal within first duration, and sends the second PDU set to the terminal within second duration, where the first duration is different from the second duration. The access network device is able to use different transmission duration for different PDU sets.

A first base station (BS) sends a first parameter indicating that the first BS configures protocol data unit (PDU) set importance (PSI) based discarding, for a PDU session, of a wireless device, terminated at the first BS. The first BS determines that resources of the first BS are congested, for the PDU session, and sends a general packet radio service tunneling protocol (GTP) message comprising a second parameter indicating activation of PSI based discarding for the PDU session.

A method of processing a protocol data unit (PDU) set for a data network includes steps of (a) receiving a first PDU packet of the PDU set, (b) receiving, subsequent to reception of the first PDU packet, a second PDU packet of the PDU set, (c) determining, after receiving the first and second PDU packets, a congestion status of the data network for the PDU set, (d) controlling, based on the determined congestion status, a handling state of the second PDU packet to match a handling state of the first PDU packet, and (e) transmitting the first PDU packet and the controlled second PDU packet to a destination receiver of the data network.

A base station sends a report message of a data flow comprising a plurality of protocol data unit (PDU) sets, wherein the report message indicates at least one of the data flow not being fulfilled or a fulfilled alternative quality of service (QoS) parameter set indicating at least one of a PDU set error rate (PSER) or a PDU set delay budget (PSDB).

A system can communicate broadband cellular communications with a user equipment. The system can direct the user equipment to perform iterations of transmitting a keep alive report periodicity signal according to a packet data convergence protocol protocol data unit format. The system can, in response to determining that a consecutive threshold number of keep alive report periodicity signals of the iterations of transmitting the keep alive report periodicity signal has not been received, initiate a user equipment release transaction with regard to the user equipment.

There is provided a method in a node of a wireless communication network. The method comprises receiving from an application a protocol data unit (PDU) set corresponding to an encoded application data unit (ADU). The method further comprises determining an Application-Layer Forward Error Correction (AL-FEC) coding configuration associated with the encoded ADU and transmitting the PDU set. The method further comprises determining whether a cease criterion is satisfied, wherein the cease criterion is based on the AL-FEC coding configuration, and ceasing transmission of the PDU set based on the cease criterion being satisfied.

An apparatus of a user equipment (UE), the apparatus comprising a processor, and a memory storing instructions that, when executed by the processor, configure the apparatus to receive, from a base station of an operator network, Protocol Data Units (PDUs) carrying Artificial Intelligence (AI) model data in either a control plane or a user plane, and decapsulate the PDUs to obtain and store the AI model data, wherein the AI model data is indicative of an AI model configured for inference in Access Network (AN) protocol layers at the UE.

An entity in a core network (CN) of a wireless communication system receives quality-of-service (QoS) parameters related to protocol data unit (PDU) set based handling of traffic (1602); performs, using the QoS parameters, QoS binding of a service data flow to a QoS flow for a certain media type (1604); generates a QoS profile associated with a QoS flow identifier (QFI) of the QoS flow, and transmits the QoS profile to a radio access network (RAN) via which the UE accesses the CN (1606).

Disclosed are a method and apparatus for transmitting or receiving a short training field (STF) for new numerology in a wireless LAN system. The method performed by a first station (STA) in a wireless LAN system, according to an embodiment of the present disclosure, may comprise the steps of: generating a physical layer protocol data unit (PPDU) including a non-legacy STF; and transmitting the generated PPDU to one or more second STAs. A specific STF sequence may be applied, with respect to a PPDU type supporting new numerology, to a non-legacy STF for each transmission bandwidth of the corresponding PPDU type.