39 results about "Broadcast scheduling" patented technology

A method for aligning downlink control information (DCI) is performed by a network device. The method includes: aligning a payload of a first DCI with a payload of one of second DCIs according to a classification mode of a size of the first DCI, wherein the first DCI is configured to schedule a multicast-broadcast scheduling (MBS) service, and the second DCI is configured to schedule a service other than the MBS service.

The invention relates to an intelligent emergency broadcast safe broadcast monitoring controller, which belongs to the technical field of emergency broadcast monitoring and comprises an emergency broadcast scheduling platform and a broadcast time plan management module. The emergency broadcast scheduling platform comprises a data acquisition module, a broadcast scheme monitoring and analysis module, a real-time audio stream monitoring and analysis module and an intelligent visual monitoring terminal management module, and the emergency broadcast scheduling platform is connected with a visual intelligent monitoring and control terminal. According to the intelligent emergency broadcast safe broadcast monitoring controller, broadcast task data, audio stream metadata of the IP broadcast microphone and equipment operation logs are integrated through the data acquisition module to carry out multi-dimensional dynamic monitoring on broadcast tasks, and if a certain broadcast task is triggered in an abnormal time period and the audio stream contains unauthorized content, the broadcast task is not triggered in the abnormal time period. The system can mark time violation and content abnormity at the same time and accurately position composite risks, so that the abnormity identification accuracy can be effectively improved, and the false report and missing report rate can be reduced.

The invention relates to the technical field of digital network broadcasting, in particular to a multifunctional integrated digital network broadcasting system based on an intelligent algorithm. Comprising a multi-modal data acquisition module, a broadcast content generation module, a broadcast scheduling decision module, an abnormal interference suppression module and a terminal collaborative feedback module. The multi-modal data acquisition module collects multi-source information of a coverage area in real time. And the broadcast content generation module performs intelligent clustering analysis based on the information to generate structured content. And the broadcast scheduling decision module adopts a graph attention scheduling algorithm to optimize a scheduling strategy. And the abnormal interference suppression module identifies an interference source by using a residual convolutional network, and repairs an interfered signal through a recurrent neural network. And the terminal collaborative feedback module executes playing and data feedback, and dynamically adjusts receiving parameters and pushing strategies by means of federal reinforcement learning. The intelligent level, the adaptability, the user satisfaction and the overall service efficiency of the digital network broadcasting system are remarkably improved.

The invention discloses a manual fire alarm and broadcast scheduling system and method for tunnel operation. The system comprises a manual alarm subsystem and a broadcast scheduling alarm subsystem. The manual alarm subsystem comprises a manual fire alarm and a fire-fighting audible and visual alarm; the broadcast scheduling subsystem comprises an explosion-proof IP telephone, a scheduling desk type host and an IP telephone server. The method comprises the steps that the manual alarm subsystem gives an alarm through a manual fire alarm fixed and preset in a tunnel, the manual fire alarm contacts with a dispatching desk type host, and the manual fire alarm triggers a fire-fighting audible and visual alarm to send out an audible and visual alarm signal to remind nearby people to evacuate at the same time; the broadcast scheduling subsystem displays alarm information through a scheduling desk type host, an IP telephone server contacts an explosion-proof IP telephone fixedly preset in a tunnel, and the explosion-proof IP telephone triggers a fire-fighting audible and visual alarm to send out an audible and visual alarm signal at the same time to remind people nearby to evacuate.

Operations for a data normalization server include augmenting an emergency event notification from a regional emergency notification concentrator with situational awareness data for an emergency event characterized in the emergency event notification to provide an augmented emergency notification and providing a broadcast dispatch data object (BDDO) that is generated based on the augmented emergency notification to an Advanced Television Systems Committee (ATSC) transport encoder. The BDDO includes a dispatch message with data characterizing the emergency event notification and the situational awareness data. The operations for the data normalization server also include generating an application programming interface (API) call for an ATSC transport encoder. The ATSC transport encoder encapsulates a portion of the BDDO in a broadcast stream for an ATSC broadcaster responsive to the API call.

This terminal comprises: a schedule reception unit that receives a schedule that is broadcast and defines the transmission order of uplink transmission of the terminal and other terminals; a transmission order grasping unit that, on the basis of the schedule, grasps a preceding terminal that performs uplink transmission immediately before the terminal does; a notification reception unit that receives a transmission complete notification that is broadcast in a time unit in which uplink transmission is performed by the preceding terminal and indicates completion of uplink transmission; and a transmission determination unit that determines uplink transmission from the terminal when the transmission complete notification is a notification broadcast from the grasped preceding terminal.

The embodiment of the invention provides a live broadcast resource scheduling method. The method comprises the following steps: generating a target dyeing identifier through a dyeing system; the target dyeing identification is sent to a target computing node through the dyeing system, so that the target dyeing identification is updated to an environment variable of the target computing node, and the target computing node is at least one of a plurality of computing nodes; obtaining the updated environment variable through a scheduling system; determining the target dyeing identifier through the scheduling system according to the updated environment variable; and under the condition that a live broadcast stream request carrying the target dyeing identifier is received, selecting the target computing node from the plurality of computing nodes according to the target dyeing identifier through the scheduling system to provide a target live broadcast stream. According to the technical scheme of the embodiment of the invention, a traffic dyeing channel between a live broadcast scheduling system and third-party computing resources can be opened, and live broadcast full-link dyeing is realized.

The invention provides a live broadcast scheduling management method based on multi-role cooperation. The method comprises the steps of generating an initial scheduling scheme according to a task dependency relationship of roles in a live broadcast team and a time window constraint; calculating the load balance degree of each role based on the initial scheduling scheme and identifying potential conflict points; dynamically adjusting a task execution sequence of each role based on the potential conflict points to realize cross-role collaborative optimization; and generating a final scheduling task list based on the adjusted task execution sequence, and pushing the final scheduling task list to the corresponding role. According to the scheme provided by the embodiment of the invention, the execution sequence of the scheduling task can be dynamically regulated and controlled according to the task dependency relationship and the time window constraint of multiple roles such as the anchor, the operation and the field control in the live team so as to solve the scheduling conflict problem caused by unclear responsibility in the cross-role cooperation process.

The embodiment of the invention provides a live broadcast scheduling method and related equipment / products, and relates to the technical field of live broadcast. The live broadcast scheduling method comprises the following steps: receiving a scheduling request for a target live broadcast stream, obtaining a real-time code rate of the target live broadcast stream, and determining residual available bandwidths and current bandwidth utilization rates corresponding to a plurality of CDN nodes; determining the available bandwidth of the single instance on each CDN node according to the plurality of instances, the residual available bandwidths corresponding to the plurality of CDN nodes and the current bandwidth utilization rate; and according to the real-time code rate of the target live broadcast stream and the available bandwidth of the single instance in each CDN node, determining a target CDN node from the plurality of CDN nodes, the target CDN node being used for distributing the target live broadcast stream. According to the embodiment of the invention, the CDN node for distributing the live broadcast stream is dynamically selected according to the real-time code rate of the live broadcast stream, the residual available bandwidth of the plurality of CDN nodes and the current bandwidth utilization rate, so that the problem that the bandwidth of the CDN node exceeds the limit is effectively avoided, and the fluency of live broadcast is improved.

A first station (STA) in a wireless network comprises a memory and a processor coupled to the memory. The first STA receives from an associated access point (AP), a beacon frame or a probe response frame that indicates a number of target beacon transmission times (TBTTs). The first STA transmits, to a second STA, a tunneled direct link setup (TDLS) broadcast target wake time (TWT) request frame when the first STA intends to transmit one or more frames to the second STA over a TDLS link during a TWT service period corresponding to a broadcast TWT schedule. The first STA receives, from the second STA, a TDLS broadcast TWT response frame accepting the request. The second STA is expected to be in an awake state during one or more TWT service periods corresponding to the broadcast TWT schedule until the number of TBTTs indicated by the AP.

The present invention proposes a distributed multi-channel anti-interference stable dynamic broadcast scheduling method and system, which relates to the technical field of wireless network broadcast scheduling, including: obtaining network source nodes and packet flows, building a multi-channel wireless network model according to network time and global accumulated wireless interference; using a random packet injection model to inject the packet flow at the source node into the multi-channel wireless network model; using a distributed multi-channel anti-interference wireless static broadcast scheduling method to propagate all packet flows at all source nodes to all source nodes in the entire network in the shortest possible time; wherein the distributed multi-channel anti-interference wireless static broadcast scheduling method is divided into two-stage scheduling iterations, and the broadcast task of the injected packet is realized through the iterative multi-channel anti-interference wireless static broadcast scheduling method. The present invention can maintain the continuity and stability of key communications even in an interference environment, better utilize spectrum resources, and improve spectrum utilization.

The invention discloses a live broadcast scheduling method, a transcoding scheduling device and an uplink scheduling device. The method comprises the following steps: a transcoding scheduling device generates transcoding prediction information of a live broadcast room for at least one live broadcast room; the uplink scheduling device determines a target uplink node of the target live broadcast stream according to target transcoding prediction information of a target live broadcast room to which the target live broadcast stream belongs; and the transcoding scheduling device determines a target transcoding node of the target live stream according to the node information of the target uplink node. According to the scheme, the uplink node scheduling process and the transcoding node scheduling process can be mutually referenced, the transmission overhead between the uplink node and the transcoding node corresponding to the same live broadcast room is reduced, and the live broadcast stability and the live broadcast effect are improved.

The present application relates to, but is not limited to, the technical field of communications. Provided are a service scheduling method, an electronic device and a storage medium. The service scheduling method comprises: first, receiving a service scheduling request message sent by a second fusion node (S110); and then, on the basis of the received service scheduling request message, sending a scheduling networking authorization message to the second fusion node, and sending a service processing pre-message to a third fusion node, wherein the scheduling networking authorization message is used for authorizing the second fusion node to broadcast scheduling networking information, and the service processing pre-message is used for instructing the third fusion node to determine whether to participate in service scheduling (S120).

Some embodiments include an apparatus and method for a mobile access point (AP) station that operates in an always-on soft AP mode where a station is associated with the mobile AP station, and switch back to operate as a station in an infrastructure mode with an AP. For example, in an always-on soft AP mode, the mobile AP station may implement a target wake time (TWT) responder power save mode feature. The mobile AP station may maintain a wake window after a beacon to enable unassociated devices to associate; establish a broadcast TWT schedule for unassociated TWT-capable devices to associate; schedule TWT for associated devices; go to sleep outside of the scheduled TWT of the associated devices; and switch back to infrastructure mode to perform as a station and maintain a connection with an AP.

The invention relates to a live broadcast scheduling system and method, and the system comprises the steps: a front-end console receives a live broadcast session, a scheduling draft and a to-be-filled time period of the day, generates a pre-recorded broadcast request according to the live broadcast session and the scheduling draft, and transmits the pre-recorded broadcast request to a scheduling service module; the back-end controller determines a TopN material according to the pre-recording and broadcasting request and a schedule draft, and determines a pre-recording and broadcasting schedule based on a time period in a to-be-filled time period on the current day and a material in the TopN material; when the front-end console receives an audit passing instruction of the pre-recorded broadcast schedule, the audit passing instruction is sent to the live broadcast platform, so that the live broadcast platform creates live broadcast plans in batches according to the pre-recorded broadcast schedule; through cooperation of the front-end console and the rear-end controller, the pre-recorded broadcast request is generated, the TopN material is determined, the time period is filled, and the live broadcast plan is created, so that the problems of complicated manual operation and easy errors are solved, and the effects of improving the efficiency and accuracy of live broadcast scheduling and reducing manual operation errors are achieved.

The aircraft heterogeneous node efficient data distribution middleware is composed of a two-stage structure, wherein the two-stage structure comprises an in-chip lightweight communication kernel and an inter-chip interface packaging soft bus; the in-chip lightweight communication kernel comprises a kernel driving module, a shared memory, a signal notification mechanism and a user space client library; the inter-chip interface packaging soft bus comprises a unified message packaging device, an interface adapter, a message routing module and a message bridging adapter. The invention aims to solve the problems of communication mechanism splitting, insufficient real-time performance, static solidification of system topology and the like among multi-chip and multi-architecture processors in an aircraft system. The middleware supports data frame registration and unbinding, broadcast scheduling and node adaptive updating during operation, has the characteristics of high throughput, low delay, strong extension, interface independence and the like, and is suitable for typical heterogeneous embedded systems such as aircraft task calculation, flight control navigation, image recognition and the like.

To provide a terminal capable of suppressing throughput degradation while avoiding signal congestion.SOLUTION: The terminal includes: a schedule reception unit that receives a broadcasted schedule in which the order of uplink transmissions between the terminal and other terminals is prescribed; a transmission order recognition part that recognizes a terminal that performs uplink transmission before the terminal based on the schedule; a notification receiver that receives a transmission completion notification, which is broadcast in a time unit in which the recognized terminal performs uplink transmission, and indicates the completion of uplink transmission; and a transmission determination unit that is configured so as to, when the transmission completion notification is a notification broadcast from the recognized terminal, determine uplink transmission from the terminal.SELECTED DRAWING: Figure 2

A first STA affiliated to a non-AP MLD and operating on a first link intends to establish on the first link a first broadcast TWT schedule aligned with a second broadcast TWT schedule on a second link on which a second STA affiliated to the non-AP MLD is operating. The first STA may decode a beacon frame or a detection response frame sent from a first AP affiliated to the AP MLD and operating on the first link to identify whether there is a broadcast TWT schedule on the first link aligned with a second broadcast TWT schedule on the second link. The first STA may identify the presence of an aligned schedule on the first link by checking a broadcast TWT parameter set field within a broadcast TWT element included in a beacon frame or a detection response frame.

A wireless communication network includes an access point (AP) multilink device (MLD) and a non-AP MLD. A target wakeup time (TWT) scheduling AP associated with an AP MLD transmits a broadcast frame announcing broadcast TWT scheduling to a TWT scheduled station (STA) associated with a non-AP MLD. The broadcast frame indicates whether there is a schedule aligned with the TWT schedule on other links. When the TWT scheduled STA is interested in joining the alignment scheduling, it sends a request to join the alignment scheduling on the link.

The invention relates to the technical field of edge computing, in particular to a broadcast content dynamic scheduling method and system based on edge computing driving, and the method comprises the steps: sensing the crowd density of each region in real time through deploying a lightweight crowd detection model at an edge end, and constructing a structured region state model as a space basis for judging whether to schedule or not; a structured event intention expression mechanism of a multi-source broadcast task is introduced, the degree of adaptation between the task and the space is calculated in combination with crowd state and task type semantics, and whether a scheduling task is generated or not is screened; a multi-factor task scoring mechanism is constructed, and regional scheduling saturation and resource redundancy suppression items, priority ranking of broadcast tasks and space competition management are introduced; an execution task package is constructed in real time according to a scheduling plan and an equipment state, a judgment function for judging whether a task can be executed and a mode control mechanism are fused, execution actions such as code rate reduction playing, playing delay and task caching are achieved, and it is ensured that broadcast scheduling is reasonable and has high execution force and high robustness.

Provided in the present application are a wireless communication method, and a device and a storage medium. The method comprises: a terminal device receiving a low power wake-up signal (LP-WUS) sent by a network device, wherein the LP-WUS is used for controlling the monitoring of a first physical downlink control channel (PDCCH) and / or a second PDCCH by a main radio (MR) of the terminal device, the first PDCCH is a PDCCH indicating unicast scheduling, and the second PDCCH is a PDCCH indicating multicast and / or broadcast scheduling.

A first tunnel direct link setup (TDLS) peer station (STA) includes a transceiver configured to transmit and receive signals and a processor operably coupled to the transceiver. The processor is configured to transmit a TDLS broadcast (TWT) request frame to a second TDLS peer STA. The processor is configured to receive a TDLS broadcast TWT response frame in response to a TDLS broadcast TWT request frame. The processor is configured to transmit one or more frames over the TDLS direct link to a second TDLS peer STA during a target wake-up time (TWT) service period (SP) corresponding to the broadcast TWT schedule. The first TDLS peer STA is a member of a broadcast TWT schedule.

Various aspects include methods for managing scheduling of AUX connection request messages (ACRQs) performed by a processor of an access point (AP). Firmware (FW) of the AP may receive from a Host entity of the AP information indicating one or more groups of electronic shelf labels (ESLs) to which the FW will broadcast an AUX connect request message (ACRQ). The FW may broadcast the ACRQ to one of the groups of ESLs according to the information when communication resources are available according to an ACRQ broadcast schedule determined by the FW.

The embodiment of the invention provides a live broadcast resource scheduling method which is used in a service scheduling node, and the method comprises the steps: receiving a live broadcast resource request for a target live broadcast room; sending the live broadcast resource request to a resource scheduling node so as to obtain a live broadcast resource address of the target live broadcast room from the resource scheduling node; and under the condition that the live broadcast resource address is not obtained within the preset time range, returning an overtime scheduling address corresponding to the live broadcast resource request to an audience end, so that the audience end accesses an overtime resource scheduling node according to the overtime scheduling address, and obtaining a redirection response for accessing the target live broadcast room from the overtime resource scheduling node. According to the technical scheme provided by the embodiment of the invention, the audience side can successfully play the live broadcast picture without the problems of playing failure, black screen and the like. And meanwhile, the redirection process is transparent to the user, so that the perception of the user on playing timeout can be reduced.

Various aspects include a method performed by a processor of an access point (AP) for managing AUX Connection Request Message (ACRQ) scheduling. A firmware (FW) of the AP may receive, from a host entity of the AP, information indicating one or more groups of electronic shelf labels (ESLs) to which the FW will broadcast an AUX Connection Request Message (ACRQ). When a communication resource is available according to an ACRQ broadcast schedule determined by the FW, the FW may broadcast the ACRQ to one ESL in the ESL group according to the information.

A method and apparatus for facilitating broadcast target wake time (TWT) negotiation on one link between multi-link devices (MLDs) in a wireless local area network to establish broadcast TWT scheduling on other links between the same MLD. A non-access point (AP) MLD includes a processor and stations (STAs), each including a transceiver configured to form a link with a corresponding AP of the AP MLD. The processor is operably coupled to the STA and configured to generate or receive a first message for broadcast TWT negotiation, where the first message indicates that the broadcast TWT negotiation is for broadcast TWT scheduling on at least one first of the links. The transceiver of the first STA is further configured to transmit the first message to or receive the first message from the AP MLD over the second link.

The application provides a wireless communication method, device and storage medium. The method comprises the following steps: a terminal device receives a low-power wake-up signal (LP-WUS) sent by a network device, wherein the LP-WUS is used for controlling a main receiver (MR) of the terminal device to monitor a first physical downlink control channel (PDCCH) and / or a second PDCCH, the first PDCCH is a PDCCH indicating unicast scheduling, and the second PDCCH is a PDCCH indicating groupcast and / or broadcast scheduling.

A first station (STA) in a wireless network comprises a memory and a processor coupled to the memory. The first STA receives from an associated access point (AP), a beacon frame or a probe response frame that indicates a number of target beacon transmission times (TBTTs). The first STA transmits, to a second STA, a tunneled direct link setup (TDLS) broadcast target wake time (TWT) request frame when the first STA intends to transmit one or more frames to the second STA over a TDLS link during a TWT service period corresponding to a broadcast TWT schedule. The first STA receives, from the second STA, a TDLS broadcast TWT response frame accepting the request. The second STA is expected to be in an awake state during one or more TWT service periods corresponding to the broadcast TWT schedule until the number of TBTTs indicated by the AP.

The invention provides an emergency broadcast scheduling command platform, and the platform comprises an audio and video collection module which is used for collecting on-site audio and video data in real time, carrying out the analysis of the audio and video data based on an integrated AI model, and recognizing an existing abnormal event; the emergency drill management module is used for issuing the drill task, receiving drill result data corresponding to the drill task and an online review result, and constructing a unit emergency capability portrait; the broadcast scheduling command module is used for determining basic abnormal parameters of the abnormal event and determining an emergency broadcast scheduling strategy for the abnormal event in combination with the unit emergency capability portrait; and the broadcast execution module is used for controlling the broadcast equipment to play the corresponding emergency broadcast content to the abnormal event site based on the emergency broadcast scheduling strategy. The timeliness, accuracy and overall coordination of emergency response are improved, human intervention errors are reduced, and the processing efficiency of emergencies is enhanced.