Abstract: A mobile information terminal of an information providing system includes a beacon reception unit that receives a beacon transmitted from a beacon transmitter, a wireless communication unit that communicates with a content server-via a network, a storage unit that stores a database, an activity judgment unit-that generates information based on activity of a user from information based on the beacon received by the beacon reception unit and stores a first information table including information based on the beacon and information based on the activity in the database, a URL generation unit that generates a URL indicating an access destination in the content server from the first information table, and a control unit that acquires content from the access destination indicated by the URL via the wireless communication unit.

Abstract: A user equipment (UE) determines whether a size of data available for transmission in a PDCP (Packet Data Convergence Protocol) entity of the UE, excluding a size of a PDCP Control PDU (Protocol Data Unit), exceeds a threshold value. Here, the PDCP Control PDU is predetermined to be transmitted through the first link of the bearer. The PDCP entity of the UE informs an indication on (a) the size of the data available for transmission, or (b) the size of the PDCP Control PDU, to a first entity of the UE for the first link based on the determination, and the first entity can transmit a buffer status report to the network based on the indication. Here, the size of the data available for transmission in the PDCP includes the size of the PDCP Data PDU and the size of the PDCP Control PDU.

Abstract: Methods and systems for dynamically activate and deactivate an allocated resource for a UE to make grant-free uplink transmission are provided. In one embodiment, a user equipment (UE) receives a Radio Resource Control (RRC) signal. The RRC signal specifies grant-free (GF) configuration information. The GF configuration information comprises an activation field and at least one other GF resource configuration field. The activation field indicates whether the UE may perform GF uplink (UL) transmissions without waiting for a downlink control information (DCI) message. Then, the UE performs a GF UL transmission in accordance with the GF configuration information in the RRC signal.

Abstract: Provided is a method for transmitting a signal by a terminal for vehicle-to-everything (V2X) communication in a wireless communication system and a terminal using the same method. The method comprises: mapping V2X data to a resource of a subframe including multiple symbols in a time domain; and transmitting the mapped V2X data to another terminal, wherein, in the step of mapping, resource elements included in a last symbol of the subframe are excluded.

Abstract: In service flow capability updating in a guaranteed bandwidth multicast network may be provided. First, a node may determine that a bandwidth requirement of a flow has changed to a new bandwidth value. Then, in response to determining that the bandwidth requirement of the flow has changed to the new bandwidth value, an ingress capacity value may be updated in an interface usage table for a Reverse Path Forwarding (RPF) interface corresponding to the flow. The RPF interface may be disposed on a network device. Next, in response to determining that the bandwidth requirement of the flow has changed to the new bandwidth value, an egress capacity value may be updated in the interface usage table for an Outgoing Interface (OIF) corresponding to the flow. The OIF may be disposed on the network device.

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for transmitting or receiving a MAC PDU in a wireless communication system, the method comprising: setting a LCID field in a MAC subheader to a first value indicating that an eLCID field is included in the MAC subheader when a MAC PDU including the LCID field and the eLCID field is to be generated, setting the eLCID field to a second value identifying a logical channel of a MAC SDU or a type of a MAC CE, and generating and transmitting the MAC PDU including the LCID field and the eLCID field, and the MAC SDU or the MAC CE.

Abstract: A multi-device lip synchronization method and a device. A secondary device receives an RTCP packet sent by a primary device. The secondary device corrects an STC of the secondary device based on a PCR in the RTCP packet, a program dock frequency of the primary device, a program dock frequency of the secondary device, and an RTCP delay. Then, the secondary device receives RTPs published by the primary device, splice the RTPs into a complete audio data frame, and store the audio data frame into a PCM buffer of the secondary device. The secondary device outputs the audio data frame in the PCM buffer.

Abstract: Embodiments of this application provide an information transmission method and a device. The method includes: sending, by a first device, indication information to a second device, where the indication information is used to indicate a report mode, and the report mode specifies content of measurement information to be reported by the second device; and receiving, by the first device, the measurement information sent by the second device, where the measurement information includes a measurement result that is obtained by the second device based on a reference signal sent by the first device, the reference signal is sent through transmit ports of the first device, the measurement information includes information about transmit port groups corresponding to the transmit ports, and the transmit port groups corresponding to the transmit ports are determined by using reception information of the second device.

Abstract: A data transmission supporting method and apparatus, which includes obtaining, by a first node, access information of a UE; transmitting, by the first node, data information associated with the UE or data of the UE buffered in the first node to a second radio access network node accessed by the UE according to the access information. According to the present disclosure, service continuity requirements in the further mobile communication network can be effectively adapted.

Abstract: Systems, methods, and devices for routing operations in a network computing environment. A system includes a network topology comprising a plurality of spine nodes and a plurality of leaf nodes, wherein a link between a first spine node and a first leaf node is inactive. The first spine node includes one or more processors configurable to execute instructions stored in non-transitory computer readable storage media. The instructions include receiving a packet to be transmitted to the first leaf node. The instructions include identifying an alternative spine node at a same level in the network topology. The instructions include attaching a tunnel label to the packet, wherein the tunnel label indicates the packet should be transmitted to the alternative spine node.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for detecting sources of computer network failures. One of the methods includes identifying a network flow in a computer network between a source and a destination; performing a first probe to determine whether there is end-to-end connectivity between the source and the destination; in response to determining that there is no end-to-end connectivity between the host and the destination, performing one or more additional probes including a second probe to determine whether each hop in the path of the network flow between the source and the destination is operational including requesting that the source transmit a respective first trace diagnostic packet to each hop in the path of the network flow; and determining whether at least one link of the computer network that is part of the path of the network flow has failed based on the results.

Abstract: A first network node of a first radio access technology (RAT) handling a data radio bearer (DRB) for establishing a connection to a communication device; transmitting a first plurality of configurations of the first RAT, a first DRB configuration of the first RAT and a second DRB configuration of a second RAT, to the communication device via the connection, to configure a DRB, wherein the first DRB configuration and the second DRB configuration comprise a DRB identity identifying the DRB and the first plurality of configurations are associated to the first DRB configuration; and transmitting a first DRB release configuration of the first RAT and a second DRB release configuration of the second RAT to the communication device via the connection, to release the DRB, wherein the first DRB release configuration and the second DRB release configuration comprise the DRB identity.

Abstract: A data transmission method and apparatus using a clear channel assessment (CCA) detection threshold are disclosed. The method includes: obtaining, by a base station, at least one CCA detection threshold; determining a current CCA detection threshold from the at least one CCA detection threshold; determining transmit power of to-be-sent data based on the current CCA detection threshold; and sending the to-be-sent data to a target terminal based on the transmit power.

Abstract: A radio access network (RAN) node can receive, from a user equipment (UE), a request to establish a session associated with a low-latency service level agreement (SLA). The session can be mapped to a radio bearer associated with a network slice configured to support the low-latency SLA, wherein the network slice can include a RAN portion and a core network portion that are co-located at a RAN edge to support the low-latency SLA. The RAN node can provide information related to the radio bearer to a distributed unit (DU) associated with the RAN portion of the network slice and route traffic associated with the session through the network slice configured to support the low-latency SLA via the radio bearer mapped to the session. As such, the session can have a context maintained in the RAN portion and the core network portion of the network slice.

Abstract: A data transmission optimization method, a terminal, and a network device are provided. The terminal determines to move along a track route included in a track context and reach a to-be-optimized route segment on the track route, where the track context is pre-generated by the terminal, and includes a track route along which the terminal moves and that is passed through by the terminal in a historical time and a to-be-optimized route segment on the track route, a value of a predefined measurement parameter meets a preset threshold value range when the terminal moves in the to-be-optimized route segment. The terminal sends a data transmission optimization instruction to a network device, where the data transmission optimization instruction is used to instruct the network device to perform a data transmission optimization processing operation, and the data transmission optimization processing operation includes adjusting a resource allocation policy of the terminal.

Abstract: A communications system communicating data to/from a communications terminal includes infrastructure equipment forming a mobile communications network to transmit/receive data to/from the communications terminal via a wireless access interface, the communications terminal configured to transmit/receive data to/from the infrastructure equipment. The communications terminal can receive transmission data to the infrastructure equipment at a buffer, transmit a resource request message requesting resources of the wireless access interface to the infrastructure equipment in response to receiving the data for transmission to the infrastructure equipment, and receive a resource allocation message from the infrastructure equipment. The resource allocation message allocates resources of the wireless access interface to the communications terminal.

Abstract: A method includes determining at least one first measurement AP in first storage APs according to the address of the first AP, sending a second CSI measurement request to the at least one first measurement AP, where the second CSI measurement request includes the address of the terminal, receiving first measurement data, where the first measurement data includes first CSI, the first CSI is obtained after a target measurement AP performs channel estimation on the first service data, and sending the first measurement data or a first processing result to the terminal, where the first processing result is obtained by using the first measurement data.

Abstract: A mobility measurement method includes: receiving, from a first base station, system information including information of a first reference signal configured by the first base station for a current cell that is a cell accessed currently, and information of a second reference signal configured by a second base station for a neighboring cell of the current cell, the first and second base stations corresponding respectively to the current cell and the neighboring cell; and measuring mobility of the current cell based on a reference signal in a synchronization block of the current cell and the first reference signal according to the information of the first reference signal, and measuring mobility of the neighbor cell based on a reference signal in a synchronization block of the neighbor cell and the second reference signal according to the information of the second reference signal.

Abstract: A session management method and a session management function network element are provided. The session management method includes: learning, by a session management function SMF network element, of whether a first condition is met, where the first condition includes: a first location of user equipment UE is outside a service area SA of a local area data network LADN; and in response to determining that the first condition is met, stopping, by the SMF network element, data transmission of an LADN packet data unit PDU session of the LADN, and maintaining, by the SMF network element, a resource of the LADN PDU session.

Abstract: A VNFCI receives a heartbeat message from a peer VNFCI with an Active state and sends a heartbeat message to the peer VNFCI indicating that the VNFCI is in an Active state. The VNFCI sends a next state request message to an EMS and starts a response timer. The VNFCI sends a second heartbeat message to the peer VNFCI indicating that the VNFCI is in an Active state and that the VNFCI has a desired operational state of Active when the response timer expires and the VNFCI is not the preferred Standby instance; or the VNFCI receives a next state response message from the EMS and the VNFCI response state is an Active state. The VNFCI transitions to a Deactivating state when the response timer expires and the VNFCI is the preferred Standby instance; or the VNFCI receives the next state response message from the EMS and the VNFCI response state is Standby.