5608results about "Broadcast service distribution" patented technology

The invention discloses a multi-door-lock cooperative processing method and system, and the method comprises the steps: generating an assistance request IGMP multicast message according to a preset triggering operation detected by a first door lock B and read RFID identification information, and transmitting the assistance request IGMP multicast message to a router; according to the assistance request IGMP multicast message, recording interface information and validity period associated with the RFID identification information in a multicast forwarding table entry, and caching the multicast message; according to the preset triggering operation detected by the second door lock A and the same read RFID identification information, an assisted request multicast message containing the RFID identification information is generated, and the assisted request multicast message is sent to the router; according to the RFID identification information and the multicast forwarding table item, after the validity period is verified to be not expired, the message is directionally forwarded to the first door lock B, the first door lock B sends an assistance confirmation message to the second door lock A, and a robot calling instruction is triggered. According to the embodiment of the invention, low-delay and high-reliability door lock cooperative control can be realized.

The invention relates to the technical field of ship communication, in particular to a multi-link converged communication method and system for a ship. The method comprises the following steps: receiving navigation information broadcasted by other ships in a preset range, evaluating the availability of a communication frequency band, and generating sea area communication channel state data; acquiring geographic position data of each ship; space communication link potential analysis is carried out according to the geographic position data of each ship and the sea area communication channel state data, and cross-chain space communication potential data is generated; constructing a multi-link ad hoc network topological structure according to the cross-chain space communication potential data; and task adaptation communication link allocation is carried out based on a multi-link ad hoc network topological structure, and a multi-link fusion transmission strategy is constructed, so that real-time communication link safe switching management is realized. According to the invention, on the basis of communication service adaptation and a multi-link fusion transmission strategy, real-time communication safe switching and high-reliability transmission of the marine formation are realized.

The invention discloses an object searching method and system based on combination of a door lock and geographical relationship feedback, and the method comprises the steps: generating a local position information table containing a device ID and a position weight according to the RSSI signal strength of a Bluetooth label broadcast frame periodically received by the door lock; obtaining adjacent door lock IDs based on a topological relation pre-stored in the building information model, and obtaining a position information topological table synchronized in the whole network; according to the position information topology table, the voting weight value of each door lock is calculated by adopting a grading voting algorithm of a main vote right, a secondary vote right and a weak vote right, and a door lock voting result table is generated through vote accumulation; and in response to a Bluetooth equipment ID query request input by a loser, screening door locks with weights higher than a preset threshold value according to the voting result table, sorting the door locks according to the total number of votes, forwarding object searching instructions to a predetermined number of door locks with the highest number of votes, and triggering voice and screen display guide prompts. According to the embodiment of the invention, high-efficiency and low-delay object searching feedback can be realized, and the positioning precision and reliability are improved.

A disclosure of the present specification provides a method for performing multicast-related communication by an SMF. The method may comprise the steps of: receiving, from a UE, a join request message for requesting participation in multicast communication; transmitting, to an AMF node, an allocation request message for requesting allocation of an EBI to a unicast QoS flow corresponding to a multicast QoS flow related to the multicast communication; and receiving information of the EBI allocated to the unicast QoS flow from the AMF node.

The invention relates to the technical field of data processing systems, and discloses a command and dispatch management method and system based on artificial intelligence, and the method comprises the steps: generating a space-time occupancy statement containing an occupancy area, a time window and a task state through an edge node, and broadcasting the space-time occupancy statement to an adjacent node; and a receiver performs local conflict verification according to a state mutual exclusion rule, and triggers priority-based lightweight negotiation to adjust an occupied time window when detecting that static observation and dynamic intervention states coexist in an overlapped space-time. Postward conflict processing of traditional centralized scheduling is converted into beforehand conflict avoidance, the response speed and the operation toughness of the system are remarkably improved, and meanwhile, through physical reachability verification and a channel self-adaption mechanism, the cooperation reliability in a complex environment is guaranteed.

The invention discloses a door lock and card cooperative processing method and system, and the method comprises the steps: triggering a robot calling process according to preset times of doorbell button operation detected by a first door lock and read neighbor RFID card information, verifying a matching result of an RFID card and a resident registration form, and generating an authority verification passing signal; calculating a target multicast address based on the ID number of the RFID card, and converting the ID number of the RFID card into a false source IP address to obtain a communication parameter set; sending an IGMPv3 report message to the router according to the communication parameter set; according to the triggering operation of the same RFID card detected by the assisted second door lock, an assistance multicast request message is generated, the (S, G) forwarding table item is matched through the router and forwarded to the first door lock, the first door lock sends an assistance confirmation message to the second door lock, and robot calling authorization is completed. By utilizing the embodiment of the invention, efficient, safe and low-delay cross-door-lock cooperative operation can be realized.

The invention discloses a network communication dynamic optimization method based on multi-module collaboration, and relates to the technical field of network communication, a dual-mode communication module is deployed at each network node, and the network communication dynamic optimization method comprises the following steps: each network node broadcasts own existence information and power line channel characteristics through an HPLC (High Performance Liquid Chromatography) channel of the dual-mode communication module; each network node scans surrounding wireless networks through an HRF channel of the dual-mode communication module and reports own wireless channel quality information to the gateway; the global state sensing module collects all information and constructs a global network view containing physical topology and a channel quality map. A dual-mode cooperation mechanism, a machine learning prediction model and a dynamic decision strategy can adapt to complex dynamic environments such as power line noise fluctuation and wireless interference change, and communication parameters can be autonomously optimized without manual intervention; and meanwhile, the modular design is convenient to expand to a multi-mode communication scene, and has a wide application prospect.

The invention discloses a method and system for cooperatively positioning a vehicle through a door lock, and the method comprises the steps: obtaining and dynamically updating a neighbor door lock list through the detected door lock of the vehicle according to the broadcast and scanning data of a Bluetooth tag on a moving vehicle; according to the periodic detection report of the door locks on the vehicle and the global analysis of the management system, the cooperative timers of the related door locks are synchronized, and timing management for preventing repeated triggering is implemented; according to the response of the obtained neighbor door lock which initiates multicast query after the collaborative timer expires, the door lock which initiates the query verifies whether all responders are in the neighbor list, so as to judge whether the vehicle is stably parked; and according to the vehicle parking information confirmed by the door lock, the management system updates the global state and sends a parking position notification to the owner. According to the embodiment of the invention, accurate and low-misjudgment judgment of the parking state of the vehicle can be realized, and the reliability and real-time performance of vehicle positioning management are improved by means of global state synchronization.

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 method, UPF function / node, computer program, and computer program product to classify traffic of a user equipment, UE by a UPF is provided. A PFCP session establishment request comprising a session ID and a flow information profile is received. Responsive to the flow information profile indicating that flow information is to be stored for sessions by the UE, whether or not there is stored flow information for a session associated with the session ID is determined. UE application traffic is received, the UE application traffic including the session ID. Responsive to there being stored flow information for the session, the UE application traffic is classified based on the stored flow information. Responsive to there not being stored flow information for the session, the UE application traffic for a corresponding packet detection rule of the session; is classified and flow information for the session based on the classifying is stored.

The invention discloses a door lock assisted vehicle positioning method and system, and the method comprises the steps: enabling a home door lock to join in a first multicast group used for receiving a final position notice according to the pre-configured vehicle Bluetooth tag ID and multicast group setting, and enabling a unit door lock gateway to join in a second multicast group used for cooperative communication between gateways; according to vehicle Bluetooth signals periodically detected by a unit door lock, a unit door lock gateway connected with the unit door lock carries out local recording and statistics; distinguishing a single-gateway scene from a multi-gateway scene according to an accumulation and time comparison result of the collaborative notification information among the unit door lock gateways, and carrying out final parking position judgment; according to a query request of the owner, unit door lock position information corresponding to the vehicle is read from a home door lock local storage in a near field communication mode. According to the embodiment of the invention, accurate judgment and active notification of the final parking position of the vehicle in the community can be realized, and the problem of vehicle searching by the vehicle owner is effectively solved.

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.

The invention particularly relates to an emergency broadcast intelligent early warning system applied to disaster prevention and reduction, and relates to the technical field of communication. The redundant communication and self-adaptive switching module is configured to establish a multi-mode communication network, monitor link states in real time and realize intelligent switching and load balancing of communication links based on a dynamic algorithm; an intelligent decision-making and precise broadcasting module; and the emergency broadcast terminal is connected with the offline execution module. According to the invention, a multi-mode communication architecture is established, each link monitors parameters such as signal strength, delay, packet loss rate and the like in real time, and intelligent switching and load balancing are carried out through a dynamic routing algorithm; and meanwhile, on the basis of memory thermal characteristic analysis, link faults are pre-judged in advance, switching is triggered, the success rate of early warning information transmission under extreme disasters is ensured, and the problem of transmission interruption of traditional single link communication under the scenes of power failure, base station damage and the like is solved.

A method for MCCH acquisition in a 5G wireless network (1000) by a UE (100) includes: receiving, by the UE, a MCCH change notification from the gNodeB over a PDCCH. Further, the method includes detecting whether at least one of the UE is interested to receive a new MBS and the UE is already receiving an MBS. Further, the method includes determining the start of the new MBS session for the new MBS by reading the first bit of the MCCH change notification in response to detecting that the UE is interested to receive the new MBS, or determining the modification to the MBS session configuration of the ongoing MBS session by reading the second bit of the MCCH change notification in response to detecting that the UE is already receiving the MBS.

Various embodiments of the present disclosure relate to a next-generation wireless communication system for supporting high data transfer rates beyond the 4th generation (4G) wireless communication system. According to the various embodiments, a method of transmitting and receiving signals in a wireless communication system and apparatus for supporting the same may be provided.

The invention relates to a method and device for configuring a Bluetooth Mesh network through Bluetooth broadcast. The method comprises the following steps: receiving Bluetooth distribution network broadcast information; according to a first matching result of the message label and the cache information, determining a processing state of the Bluetooth network distribution broadcast information by the equipment to be subjected to network distribution; if the first matching result shows that the broadcast information is not processed, determining a matching relationship between the to-be-distributed network equipment and the target to-be-distributed network equipment according to a second matching result of the target address information and the address information of the to-be-distributed network equipment; if the second matching result shows that the two are matched, accessing the to-be-distributed network equipment to the network based on the broadcast information; and if the second matching result shows that the two devices are not matched, updating the message forwarding mark to obtain the updated broadcast message and forwarding the updated broadcast message to the next device until the target device to be subjected to network configuration is obtained through matching within the dynamic message distance determined based on the message forwarding mark and is accessed to the network. By adopting the method, the network distribution efficiency can be improved, and the resource redundancy in the network distribution process can be reduced.

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.

A wireless device can receive, on a first component carrier (CC), a radio resource control (RRC) configuration message from a serving base station (BS). The RRC configuration message can comprise multicast and broadcast services (MBS) scheduling information or configuration information. The wireless device can further receive a transmission from a MBS BS comprising additional MBS information on the first CC. The wireless device can determine a collision between a unicast transmission and a broadcast transmission and transmit an indication of interest to the MBS BS. The wireless device can receive, from the MBS BS and on a second CC a RRC reconfiguration message comprising adjusted scheduling information or configuration information corresponding to the unicast transmission. The wireless device can receive the broadcast transmission from the MBS BS and the unicast transmission from the serving BS based at least in part on the adjusted scheduling information or configuration information.

The invention belongs to the technical field of air traffic management, and discloses a control tower and flight guarantee command room decision instruction transmission method based on edge nodes, priorities are distributed for instructions through an intelligent grading model, the high-priority instructions can reserve resources in advance and are transmitted preferentially, the resources can be preempted in emergency, and the control tower and flight guarantee command room decision instruction transmission efficiency is improved. A multi-path transmission strategy is automatically switched when a certain path fails, data integrity is ensured in combination with fragment verification and block chain recording, instruction loss caused by a single point of failure is avoided through edge-cloud redundant backup, and the problems that instruction transmission is prone to interference and insufficient in safety in a traditional method are solved; through intelligent priority grading, resources are inclined to high-priority instructions, resource waste is avoided, a collaborative scheduling mechanism of an edge node cluster can dynamically adjust resource allocation according to a real-time load, and a transmission quality feedback and adaptive optimization strategy is continuously optimized, so that the system can still efficiently process a large number of instructions in a flight take-off and landing intensive period.

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.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may determine a group-specific multicast / broadcast communication configuration. The group-specific multicast / broadcast communication configuration may be independently configured from a unicast communication configuration and a cell-specific communication configuration. The UE may determine one or more multicast / broadcast communication parameters according to the group-specific multicast / broadcast communication configuration. The communication parameters may include a time resource allocation, a frequency resource allocation, a slot configuration, a downlink reference signal configuration and a resource mapping configuration for receiving multicast / broadcast downlink signals. The UE may receive multicast / broadcast downlink signals from the base station based on the one or more multicast / broadcast communication parameters.

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 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.

The invention provides a multi-level wake-up method and system based on a low-power-consumption wake-up protocol, a medium and a product, and relates to the technical field of intelligent voice recognition, and the method comprises the steps: triggering a first-level wake-up code broadcast module to broadcast a target wake-up signal through a target low-power-consumption wake-up protocol by using a received external trigger signal; obtaining a validity verification result obtained after the to-be-awakened device performs validity verification on the received target awakening signal, and determining whether the to-be-awakened device enters a low-power-consumption standby state or not according to the validity verification result; triggering a second-level voiceprint recognition module to monitor a target user in a preset distance range under the condition that the to-be-awakened device is determined to enter the low-power-consumption standby state, so as to collect a voice signal in the preset distance range; and obtaining a voiceprint feature matching result obtained after the second-stage voiceprint recognition module performs voiceprint feature verification on the collected voice signal, and judging whether to activate the to-be-awakened device or not according to the voiceprint feature matching result.

The invention provides a flight data processing method and device for an unmanned aerial vehicle and electronic equipment, and relates to the technical field of communication, and the method comprises the steps: collecting the original flight data of the unmanned aerial vehicle through a sensor disposed on the unmanned aerial vehicle, and carrying out the calculation, denoising and smoothing of the original flight data, and obtaining the real-time flight data of the unmanned aerial vehicle; generating a flight data packet according with a specified format based on the real-time flight data, a specified unmanned aerial vehicle ID corresponding to the unmanned aerial vehicle and specified flight plan data; encrypting the flight data packet by using an SM4 block cipher algorithm to obtain flight ciphertext data; in response to detecting that the signal receiving power of the current network of the data recording equipment is greater than the specified power, transmitting the flight ciphertext data to a supervision server by using the current network; and in response to detection that the signal receiving power of the current network is lower than or equal to the specified power, switching a communication channel for transmitting the flight ciphertext data to a satellite short message communication channel.

A method of multicast broadcast services (MBS) notification signaling includes determining, by a user equipment (UE), paging occasions for monitoring a downlink control channel associated with one or more paging messages comprising one or more MBS-related notifications that are associated with scheduling information for reception of MBS data; receiving the one or more MBS-related notifications based on monitoring the downlink control channel in one or more first paging occasions of the paging occasions; and receiving the MBS data based on the one or more MBS-related notifications.

A method and system for limiting mobile device functionality when the mobile device is located in a pre-defined fixed geographic area. The mobile device may receive a local disabling signal from a disabling device, which, when detected by a Device Owner Application resident on the mobile device, limits the mobile device functionality. Alternatively, the system may use GPS based geofencing to determine that the mobile device is in a predefined geographic area, and then transmit instructions to the mobile device, where a Device Owner Application operates to restrict the mobile device functionality. Mobile device functionality may be limited by restricting the mobile device's ability to send and receive text messages, email messages and phone calls; restricting the mobile device's ability to respond to user input; restricting the mobile device's ability to utilize a web browser; and restricting the mobile device's web browser from accessing predetermined web sites.

The present disclosure relates to a data transmission method, a UE and a network node. The method performed by a network node includes: configuring a first and / or second radio channel for a first PDU session, or configuring a first and / or second radio channel for at least one same QoS flow of a first PDU session. The first radio channel is configured to transmit first data to a UE; the second radio channel is configured to transmit second data to the UE; the first and second radio channels are one of a unicast radio channel, a broadcast or multicast radio channel; the first data represents first data of the first PDU session or first data of at least one QoS flow of the first PDU session; the second data represents second data of the first PDU session or second data of at least one Qos flow of the first PDU session.

The invention relates to the technical field of terminal communication, and provides a team state synchronization method based on ad hoc network communication, an intelligent terminal and a medium, after a plurality of intelligent terminals complete team networking, a first intelligent terminal elected as a team master device broadcasts a synchronization beacon frame, enabling the second intelligent terminal to enter a corresponding working state after receiving the synchronous beacon frame; predicting whether the bit error rate in a future short time is increased or not based on the channel impulse response fed back by the second intelligent terminal and the real-time position coordinates; when the predicted bit error rate is increased, forward error correction coding redundancy is increased in a pre-sent light effect instruction, and a target light effect instruction is obtained; and the target lighting effect instruction is sent to the second intelligent terminal, so that the second intelligent terminal controls the partition lamp group to output the corresponding lighting effect according to the received target lighting effect instruction, and visual synchronization of the team state is realized. According to the method, the accuracy of light effect instruction transmission can be guaranteed, and efficient visual synchronization of the team state is realized.

The invention discloses an equipment searching method and electronic equipment, which can realize accurate searching of the electronic equipment and improve the probability that a user finds the lost electronic equipment. And when the first electronic equipment is in a power-off state or a power-saving mode and the near field communication module of the first electronic equipment is connected with the near field communication module of the second electronic equipment, the near field communication module of the second electronic equipment sends a first instruction to the near field communication module of the first electronic equipment. And in response to the first instruction, the satellite flash module of the first electronic equipment sends a first broadcast message to the satellite flash module of the second electronic equipment. And in response to the first broadcast message, the second electronic equipment outputs at least one of the distance between the first electronic equipment and the second electronic equipment and the direction of the first electronic equipment in the second electronic equipment.