1197 results about "Broadcast service" patented technology

Methods, apparatuses, and computer-readable storage medium for supporting mobile-originated small data transmission (MO-SDT) and mobile-terminated small data transmission (MT-SDT) or point-to-multi-point (P2M) multicast and broadcast services (MBS) are provided. An example method may include transmitting, to a base station, a capability indication representing support of MO-SDT and MT-SDT. The example method may further include receiving, from the base station, one or more configurations for the MO-SDT and the MT-SDT in a radio resource control (RRC) message, the RRC message comprising at least an RRC release message. The example method may further include transitioning to an RRC inactive state. The example method may further include transmitting, to the base station, a common control channel (CCCH) message in a MO-SDT transmission while in the RRC inactive state.

Disclosed are a method and an apparatus for providing multicast and broadcast services in a non-terrestrial network. A method of an NTN base station may comprise: transmitting, to a terminal, service area information including information on a valid range of a multicast-broadcast service (MBS) for each of a plurality of service areas preconfigured for MBS provision; and transmitting MBS signals for providing the MBS to the terminal.

Various arrangements disclosed herein relate to managing Multicast and Broadcast Services (MBSs) in various Radio Resource Control (RRC) states, including a wireless communication device receiving from a network using first signaling specific to the wireless communication device, PTM configuration used for receiving at least one MBS when the wireless communication device is in an RRC-connected state. The wireless communication device receives from the network using second signaling specific to the wireless communication device when the wireless communication device is in the RRC-connected state, indication information indicating that the PTM configuration used for receiving the at least one MBS is obtained from broadcast signaling when the wireless communication device is in an RRC-inactive state.

Provided in an embodiment of the present disclosure is a method for determining a resource. The method is executed by a network device. The method comprises: determining a predetermined resource according to predetermined information, wherein the predetermined information indicates that a multicast and broadcast service (MBS) is to be provided or not to be provided to a first-type terminal, and the predetermined resource comprises at least one of the following: a common frequency resource (CFR), or an initial downlink bandwidth part (DL BWP) for use by the first-type terminal.

The invention belongs to the technical field of communication, and particularly relates to a directional traffic service guarantee method of a PCC self-intelligence network based on an AI agent. Comprising the following steps: an AI identifies a live broadcast application and issues a policy control and charging PCC rule; service experience detection: the NWDAF receives user flow data, and the NWDAF continuously monitors the experience quality of the live broadcast service; establishing a service awareness baseline: establishing the service awareness baseline for different live broadcast applications through AI learning: based on a user level signing protocol, analyzing experience class data of a service flow in combination with a network element; according to the experience class data analysis result of the service flow, when the service experience index is lower than the service awareness baseline, the definite positioning analysis is carried out, then a dynamic guarantee mechanism is triggered according to needs, and oriented dynamic QoS optimization is carried out on a user network. According to the invention, the problems of network congestion and network resource waste of the PCC self-intelligence network are solved.

A radio access network (RAN) can perform a method for managing security protection for multicast and / or broadcast services (MBS). The method includes receiving (802), from a core network (CN) via a DL tunnel, a data packet associated with an MBS session; prior to transmitting the data packet to a plurality of UEs, determining (804) which security protection to apply to the data packet based on an identity of the DL tunnel; and transmitting (806) the data packet to the plurality of UEs using the determined security protection. A UE can receive (902), from a RAN, a configuration for establishing a logical channel with the RAN; receive (904), from the RAN via the logical channel, a data packet associated with an MBS session; determine (906) which security protection to apply to the data packet based on the configuration; and apply (908) the determined security protection to the data packet.

A system, method and apparatus for mobile communications are provided. A user equipment (UE) in a radio resource control state receives a broadcast message that includes measurement configuration parameters. The UE determines, based on the measurement configuration parameters, a service continuity trigger for one or more multicast broadcast services (MBS) services. Responsive to the determined service continuity trigger, a random access process (RAP) is initiated, wherein initiating the RAP includes transmitting a first message indicating a request for MBS configuration parameters associated with the one or more MBS services. The UE receives the one or more MBS configuration parameters in response to transmitting the first message. The UE then receives data associated with the one or more MBS services via the target cell based on the MBS configuration parameters and while remaining in the RRC state.

A communication system is disclosed in which Multicast and Broadcast Services (MBS) may be provided via multicast, for user equipment (UE) in an inactive state. A distributed unit of a base station apparatus receives, from a central unit of the base station apparatus, information identifying at least one MBS session and information identifying that the at least one MBS session is to be provided in a cell via multicast for the UE in the inactive state.

Various arrangements disclosed herein relate to managing Multicast and Broadcast Services (MBSs) in various Radio Resource Control (RRC) states, including receiving, by a wireless communication device from a network using signaling specific to the wireless communication device, indication information indicating that Point-to-Multipoint (PTM) configuration for each of a plurality of Multicast and Broadcast Services (MBSs) is obtained from broadcast signaling when the wireless communication device is in an RRC-connected state. The wireless communication device receives from the network the PTM configuration from the broadcast signaling used for receiving the plurality of MBSs when the wireless communication device is in the RRC-connected state.

A communication system(1) is disclosed in which a first access network node (base station) receives information indicating whether a second access network node supports Multicast and Broadcast Services (MBS). Interaction such as handover between the first access network node and the second access network node is controlled based on the information.A communication system(1) is disclosed in which a first access network node (base station) receives information indicating whether a second access network node supports Multicast and Broadcast Services (MBS). Interaction such as handover between the first access network node and the second access network node is controlled based on the information.

A terminal device receives a SIB of a SCell, where the SIB includes information used for obtaining an MCCH configuration of an MBS; and sends an MII message, where the MII message carries an identifier of an MBS service of interest to the terminal device. In this way, in some embodiments, for example, in a scenario in which the secondary cell can provide a broadcast service, the terminal device may report, based on the received SIB of the SCell, the identifier of the MBS service of interest to the terminal device.

In a method of managing multicast and / or broadcast services (MBS) communications after a state transition, a UE receives MBS data from a RAN using MBS configuration parameters while the UE is in a connected state with the RAN. The CE transitions from the connected state to an idle state or an inactive state. While the UE is in the idle state or the inactive state, and based on whether the MBS configuration parameters are for receiving a broadcast MBS session or a non-broadcast MBS session, the UE either continues or does not continue, respectively, to receive MBS data using the MBS configuration parameters.

A method for multicast service data reception is provided. The method determines whether a first PDCCH addressed to a first RNTI is received on a first BWP. When a BWP inactivity timer is configured, a default BWP is configured, and the first BWP is not the default BWP, the method (re)starts the BWP inactivity timer after determining that the first PDCCH is received on the first BWP, and switches to the default BWP when the BWP inactivity timer expires. When the BWP inactivity timer is configured, the default BWP is not configured, and the first BWP is not an initial BWP, the method (re)starts the BWP inactivity timer after determining that the first PDCCH is received on the first BWP, and switches to the initial BWP when the BWP inactivity timer expires.

The invention discloses a medium-short wave signal transmission interference suppression method and system based on wireless radio and television, and the method comprises the following steps: S1, collecting and preprocessing medium-short wave frequency band data, and constructing a frequency spectrum state data set; s2, constructing a spectrum evolution cognitive map model based on the spectrum state data set; s3, performing clustering analysis by using the spectrum evolution cognitive map model to generate a broadcast interference popularity map; s4, inputting the spectrum evolution cognitive map model and the broadcast interference heat map into an improved badger interference avoidance algorithm, and outputting a frequency hopping avoidance path; s5, the broadcast transmitting system executes frequency hopping scheduling control according to the frequency hopping avoiding path, and it is guaranteed that frequency point switching is completed under the condition that broadcast service is not interrupted; and S6, the broadcast receiving terminal collects signal quality parameters and transmits the signal quality parameters back to the central system, and the node state of the spectrum evolution cognitive graph model is updated in real time. According to the method, active avoidance of medium-short wave broadcast interference and stable frequency hopping scheduling are realized by combining frequency spectrum cognitive modeling and a swarm intelligent optimization algorithm.

A base station may transmit, to a wireless device, one or more radio resource control (RRC) messages comprising configuration parameters of a multicast and broadcast service (MBS). The configuration parameters may comprise parameters of a semi-persistent scheduling (SPS) and at least one indicator, for the SPS, indicating a feedback type from a plurality of feedback types. The plurality of feedback types may comprise acknowledgement-negative acknowledgement (ACK-NACK) feedback, negative acknowledgement only (NACK-only) feedback, and disabled feedback. The base station may transmit, to the wireless device, a downlink control information (DCI) indicating an activation of the SPS. The base station may transmit, to the wireless device via downlink assignments of the SPS, one or more transport blocks (TBs) of the MBS. The base station may receive, from the wireless device based on the feedback type indicated by the at least one indicator, feedback information for the one or more TBs.

A method and apparatus for switching of multicast and broadcast service between multicast and unicast in a wireless communication system is described. A CU-CP establishes a connection with a wireless device for a Multicast and / or Broadcast Service (MBS). A CU-CP receives, from the CU-UP, a first message including a retransmission information on data transmission related to the MBS. A CU-CP determines whether to perform a switch of the first transmission to a second transmission for the MBS based on the retransmission information.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Accordingly, the embodiment herein is to provide a method and a User Equipment (100) for enhancing Medium Access Control (MAC) reset mechanism and other RRC procedures in a New Radio (NR) Multicast and broadcast service (MBS) communication. The method includes receiving a service from a network device (200), where the service includes an MBS multicast service and an MBS broadcast service. Furthermore, the method includes receiving a plurality of network messages from the network device. Furthermore, the method includes determining a plurality of events associated with the UE (100). Furthermore, the method includes performing the MAC reset mechanism in the MBS communication based on the service and / or the plurality of network messages, and / or the plurality of events.

The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). The method performed by a user equipment (UE) in a wireless communication system is provided. The method includes receiving, from a base station, configuration information for a radio bearer, the configuration information including information for adding or modifying for a multicast MRB (multicast and broadcast service (MBS) radio bearer; and performing addition or reconfiguration of the multicast MRB, wherein the performing further comprises establishing an service data adaption protocol (SDAP) entity based on the information for adding or modifying for the multicast MRB.

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.

The invention relates to the technical field of remote disaster recovery transmission, and discloses an IPTV multicast service remote disaster recovery transmission method, device and equipment, and the method comprises the steps: employing a multicast convergent point and a multicast transcoding server to carry out the networking architecture construction of a first region and a second region, and obtaining an initial dual-node multicast network; performing dynamic detection on the multicast transcoding server to obtain a multicast service routing mechanism; creating a VPN instance to obtain a service isolation environment; transcoding the multicast stream received by the first area and synchronizing the transcoded multicast stream to the second area to obtain multicast service data; inputting multicast service data into the double-layer agent model, and performing deep reinforcement learning on service scheduling to obtain an intelligent scheduling strategy; and performing load sharing calculation and dual-active backup mechanism establishment on the first area and the second area to generate a remote disaster recovery transmission scheme, thereby realizing dual-active deployment and dynamic load sharing of the service, and remarkably improving the overall service quality of the IPTV live broadcast service.

A system, method and apparatus for mobile communications is provided. A user equipment (UE) receives one or more messages that include configuration parameters indicating that one or more multicast broadcast services are associated illustratively with a first control resource set (CORESET) and a first bandwidth part (BWP). The messages also include one or more first radio network temporary identifiers (RNTIs) associated with the one or more multicast broadcast services. The UE then receives via the first CORESET or the first BWP downlink control information associated with the one or more first RNTIs. The UE then received one or more transport blocks associated with the one or more multicast broadcast services.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method disclosed herein includes using a hierarchical signalling to provide one or more MBS services to a User Equipment (UE), wherein an MBS System Information Block (SIB) is used to signal MBS control channel (MCCH) information, and a MCCH message is used to signal the MBS traffic channel (MTCH) information.

A method can include receiving, by a wireless device, radio resource control (RRC) messages that include parameters of a multicast and broadcast service (MBS). The parameters can include a discontinuous reception (DRX) hybrid automatic repeat request (HARQ) round trip time (RTT) timer; a DRX retransmission timer; and a feedback indicator indicating whether HARQ feedback is enabled. The method can also include receiving a group common downlink control information (DCI) scheduling a transport block (TB) of the MBS. The method can further include, in response to the feedback indicator indicating that HARQ feedback is enabled: transmitting a HARQ feedback with a negative value based on the TB being unsuccessfully decoded; and starting the DRX HARQ RTT timer after transmitting the HARQ feedback. The method can additionally include starting the DRX retransmission timer based on an expiry of the DRX HARQ RTT timer.

A communication method executed by a user equipment in a mobile communication system for providing a Multicast / Broadcast Service (MBS) includes the steps of: performing multicast reception in a Radio Resource Control (RRC) inactive state based on a multicast configuration received from a network through dedicated signaling; determining to access the network for update of the multicast configuration in response to determination that the update is necessary; and determining whether to apply or skip access control for restricting the access, based on configuration information from the network.

A wireless device receives one or more radio resource control (RRC) messages comprising configuration parameters of a multicast and broadcast service (MBS). The configuration parameters comprise parameters of a semi-persistent scheduling (SPS) identified by a SPS configuration index; and at least one indicator, for the SPS, indicating a feedback type from a plurality of feedback types. The wireless device receives, via common frequency resources, a downlink control information (DCI) indicating an activation of the SPS of the MBS. The wireless device receives, via downlink assignments of the SPS, transport blocks (TBs) of the MBS. The wireless device determines whether the TBs are decoded successfully or unsuccessfully; and whether to transmit feedback, for the TBs, based on the feedback type indicated by the at least one indicator. In response to the determining, the wireless device transmits the feedback for the TBs based on the feedback type.

The invention provides an integrated circuit of multi-service multiplexing access network local side equipment. The integrated circuit comprises a data forwarding matrix unit, a multicast service forwarding matrix unit, a unicast service forwarding matrix, a data plane control unit, a logic plane control unit and a protocol conversion unit, wherein the logic plane control unit is used for determining an optimized unitized and modularized global strategy instruction and realizing protocol conversion, service multiplexing and data forwarding of a communication service, a broadband internet service and a cable television service; and the protocol conversion unit is used for realizing the live broadcast service transmitted by the cable television network in the access network local side equipment. Compared with the existing network for receiving the television live broadcast service in a mode of starting the IGMP protocol, the scheme of the embodiment has the advantages that the investment cost of the CDN node of the core network is greatly reduced, and meanwhile, a home-entry gateway does not need to be arranged in a user home, so that the investment cost of a broadband service, communication service and broadcast television service fusion network is reduced.

Embodiments of this application provide a multicast communication method and related apparatus. The multicast communication method is implemented by a user equipment and includes receiving UE route selection policy (URSP) information transmitted by a policy control function entity, the URSP information including a URSP rule supporting a multicast service; querying the URSP rule supporting the multicast service according to a multicast network address corresponding to a multicast service context that needs to be activated, to obtain network slice information and data network name information; and activating Multicast and Broadcast Service (MBS) context information of the user equipment based on the network slice information and the data network name information, adding the user equipment to a multicast group corresponding to the multicast network address for multicast communication.

A central node (CN) and a radio access network (RAN) can implement a method for managing paging for multicast and broadcast services (MBS). The method includes: receiving, from an MBS network, an identifier for an MBS session; transmitting, to a RAN, a message including the identifier for the MBS session; transmitting, to the RAN, one or more parameters associated with the MBS session; and transmitting, to the RAN, one or more MBS data packets to be broadcast to a user equipment (UE) in accordance with the one or more parameters.

A method can include receiving, by a wireless device from a first base station, a radio resource control (RRC) release message indicating transition of the wireless device from an RRC connected state to an RRC inactive state or an RRC idle state. The method can also include performing a cell reselection of a cell of a second base station. The method can further include determining, after the cell reselection, that a configuration in the cell for a multicast and broadcast service (MBS) session that the wireless device has joined is not supported for the RRC inactive state or the RRC idle state. The method can additionally include sending, in the RRC inactive state or the RRC idle state to the second base station and based on the determining associated with the MBS session, an RRC resume request comprising an indication of a cause for the RRC resume request.

Various aspects of the present disclosure relate to quality of experience (QoE) measurements collection supported by a user equipment (UE). The UE receives a request for QoE measurements collection capabilities supported by the UE, and transmits an indication of a maximum access stratum (AS) layer buffer size capability for storing the QoE measurements in a radio resource control (RRC) idle state. The UE receives a configuration for collecting the QoE measurements for at least one multicast broadcast service (MBS). A base station transmits the request for the QoE measurements collection capabilities supported by the UE, and receives the indication of the maximum AS layer buffer size capability of the UE for storing the QoE measurements in the RRC idle state. The base station transmits the configuration of the UE for collecting the QoE measurements for the at least one MBS.