47 results about "Broadcast transmission" patented technology

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, configuration information indicating that network coding is enabled for initial transmissions associated with a multicast / broadcast service (MBS) and indicating that network coding is enabled for retransmissions associated with the MBS. The UE may receive, via a multicast traffic channel or a dedicated traffic channel, an initial transmission associated with the MBS, wherein the initial transmission is associated with a first set of encoded packets. The UE may transmit a radio link control (RLC) status feedback message associated with the initial transmission. The UE may receive, via the multicast traffic channel or the dedicated traffic channel, a retransmission associated with the initial transmission, wherein the retransmission is associated with a second set of encoded packets. Numerous other aspects are described.

The application provides an emergency broadcast message transmission system and method, comprising: an emergency broadcast platform, a transmission coverage network and an emergency broadcast access device; the emergency broadcast access device comprises an embedded multi-channel message access card and a fire message access card, the fire message access card comprises a fire broadcast controller; the emergency broadcast platform acquires an emergency broadcast message, compiles the emergency broadcast message to generate an emergency broadcast transmission instruction, and sends the emergency broadcast transmission instruction to the transmission coverage network; the transmission coverage network sends the emergency broadcast transmission instruction to the emergency broadcast access device through a corresponding channel; the embedded multi-channel message access card performs unsealing, signature verification and analysis processing on the emergency broadcast transmission instruction to obtain the emergency broadcast message; the fire message access card performs protocol adaptation and re-encapsulation processing on the emergency broadcast message to obtain a re-encapsulated emergency broadcast message; and the fire broadcast controller distributes and broadcasts the re-encapsulated emergency broadcast message in a fire broadcast system.

Various embodiments enable broadcast communication security. Various embodiments enable authentication of broadcast communications. Various embodiments can enable asymmetric authentication and integrity protection of small size messages such as one or more signed messages with a total length of 250 bytes or less. Various embodiments can support encryption signature of beacon type messages using certificates. Various embodiments can include generating a beacon type message, encrypting signing the beacon type message using at least in part a certificate to generate a signed beacon message, and issuing the signed beacon type message in one or more broadcast transmissions in combination with or independent of certificate information used to verify the signed beacon message.

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products related to multi-radio spectrum sharing (MRSS) cell access are described. One method may include receiving, in a cell access broadcast channel, a cell access broadcast transmission associated with a first radio access technology, determining that cell access information associated with the first radio access technology is received in the cell access broadcast transmission, determining that cell access information associated with a second radio access technology is received in the cell access broadcast channel, determining the cell access information associated with the second radio access technology based on reserved bits in the cell access broadcast channel and the cell access information associated with the first radio access technology, and receiving cell system information associated with the second radio access technology using the determined cell access information associated with the second radio access technology.

This disclosure relates to parallel inference methods, apparatuses, devices, and media for multiple LoRA large models, and pertains to the field of deep learning technology. By adding a dedicated process for the LoRA model, it achieves decoupling and separate management from the original large model process at the process level. At the system architecture level, it realizes isolation and parallel computing of the basic large model and multiple LoRA models in terms of computing and storage resources. Compared with traditional methods that deploy the large model and LoRA models on the same device, this disclosure can deploy more LoRA models and improve inference concurrency. Before each iteration of inference, the metadata data is synchronized within the LoRA process group, and the input data is controlled to be broadcast only within the large model process group, avoiding communication and storage redundancy caused by broadcasting input data to the LoRA process and optimizing preprocessing efficiency. By separating the LoRA process and the large model process for parallel operation, efficient separation and collaboration of inference are achieved.

The present disclosure relates to a device and method for reliably transmitting audio data to a plurality of sinks in a broadcast transmission environment of Bluetooth low energy (LE) audio. Specifically, the present disclosure is based on a broadcast isochronous stream (BIS) transmission structure of Bluetooth LE audio. A forward error correction (FEC) technique is applied to solve a problem of a retransmission technique of the prior art in which a time occupancy rate increases in proportion to the number of channels and inefficiency in which original data and parity data need to be distinguished as separate BISs and separately transmitted.

The invention provides an online game state synchronization system and method based on block chain asynchronous network service, and the system comprises the following components: a client which is constructed by adopting a Unity game engine and is responsible for the rendering of a game scene, the user interaction and the visual presentation of a local state; the network service layer adopts a Node.js running environment, integrates an Express framework and an ethers.js library, serves as a security agent intermediary between a client and a block chain network, and is responsible for transaction signature construction, transaction broadcast transmission, data format conversion and provision of a standardized RESTful application programming interface; the intelligent contract is compiled by adopting a Solidiity language, is deployed in an Ethereum test network or a main network, and is used as a unique authoritative storage and logic execution carrier of an on-chain state; according to the system, the influence of block chain confirmation delay on player experience can be effectively relieved, the traceability and non-tampering performance of data are guaranteed, and the system is suitable for asynchronous cooperation type multi-player online game scenes.

To efficiently transmit a partially scrambled content in a digital broadcasting system using MMT.SOLUTION: A broadcast transmitter 100 for a digital broadcasting system using MMT as a multiplexing method includes scrambling means 140 for performing scrambling on a scramble portion as a scrambling target when the scramble portion is contained in a sub sample extracted from a video or audio broadcast content stream, and multiplexing means 150 for arranging scrambling range information including length information of each of division ranges stored in a payload of an MMTP packet out of a scramble portion and a non-scramble portion in a header portion of the MMTP packet when a sub sample containing a scrambled scramble portion and a non-scrambled non-scramble portion is stored in the payload of the MMTP packet.SELECTED DRAWING: Figure 2

The invention relates to the technical field of display driving chips, and particularly discloses an interface, method and device for information transmission in a display driving chip, the interface comprises a ring bus, a plurality of IP cores and a processing module handler, the ring bus is sequentially connected with the IP cores and the processing module to form a one-way closed data transmission loop, and the processing module handler is connected with the ring bus. And four types of signal lines, namely clock, data, validity and token, are included. The processing module sends a token to the loop and receives and returns the token, and the IP core determines whether to intercept the token according to a data transmission demand after receiving the token, and forwards the token after completing the transmission. The processing module also recovers data in the loop that is not received by any IP core. According to the invention, the IP inter-core interconnection structure and the data transmission logic are simplified, broadcast transmission is supported, the transmission efficiency and the system stability are improved, and the digital rear-end winding difficulty is reduced.

The invention discloses a firmware upgrading method and device and related equipment, and belongs to the technical field of power line carrier communication. The firmware upgrading method comprises the steps of performing compression processing on an original firmware file, and generating a digital signature based on the compressed firmware file to obtain a to-be-distributed firmware upgrading package; sending a firmware upgrading indication message in a broadcast mode; the method comprises the following steps of: performing paging and blocking on a firmware upgrade package by adopting a broadcast mode, then transmitting the firmware upgrade package, acquiring and storing a data receiving state of each HPLC communication module after transmitting one or more pages of firmware data, calculating a packet loss rate and a receiving delay according to the data receiving state, and dynamically adjusting the number of repeated transmission times and the transmission delay; after the sending of the firmware upgrade packet broadcast is completed, the public packet loss data is re-sent in a broadcast mode; and supplementing packets for the HPLC communication modules which still have packet loss one by one in a unicast mode. According to the method, the security, the success rate and the efficiency of the firmware upgrading of the HPLC communication module can be improved.

Provided in an embodiment of the present invention are an augmented reality XR video transmission method, an electronic device and a computer program product, by sending a first request to a core network, the first request being used for instructing the core network to establish a transmission channel according to a data transmission mode corresponding to the first request, the data transmission mode comprising broadcast or multicast; performing multi-angle rendering on the XR video based on a data transmission mode corresponding to the first request to obtain a target XR video; and pushing the target XR video to the core network through the transmission channel. The problem that multi-angle rendering and multicast or broadcast transmission of the XR video cannot be realized in the prior art is solved, and the effects of multi-angle rendering and multicast or broadcast transmission of the XR video are realized.

The utility model discloses a broadcast transmitter with a stable structure, which comprises an equipment main body and a supporting block, one end of the supporting block is movably sleeved with a telescopic block, a spring is fixedly connected between the surface of the telescopic block positioned on the inner side of the supporting block and the inner side wall of the supporting block, and the top end of the telescopic block is fixedly connected with a fixed column. The upper end of the outer side wall of the fixing column is provided with a threaded groove and is in threaded connection with an annular top block. According to the utility model, the annular top block and the fixing column are arranged to wind the wire, and when the wire needs to be taken down, the wire can be taken out at one time only by dismounting the annular top block, so that the wire winding device is convenient and rapid, and has strong practicability.

Repetition control for at least one of broadcast transmission and multicast transmission is appropriately controlled. A user terminal has a reception unit that receives specific information transmitted through at least one of broadcast and multicast, and a control unit that decides a transmission timing of repetition control information for the specific information based on at least one of a value defined in advance and information transmitted from a network.

Embodiments of the present disclosure provide a wireless communication method and a first device. The method includes: adjusting, by the first device, a contention window corresponding to each priority of at least one priority, based on feedback information for a first channel transmitted within a reference time unit or a reference time period. A transmission mode of the first channel includes at least one of a groupcast transmission mode, a multicast transmission mode, or a broadcast transmission mode.

A user equipment (UE) is configured to transmit a discovery message for a sidelink connection. The UE: receives a discovery message configuration, wherein the discovery message configuration includes at least one parameter dedicated to transmitting a discovery message for a second connection; transmits the discovery message as a broadcast; and receives a signal from a further UE regarding the discovery message, wherein the second connection is a sidelink connection.

The present invention relates to a video encoding apparatus, a three-dimensional (3D) broadcast transmission apparatus including the same, and a 3D broadcast transmission method, and the video encoding apparatus includes a memory configured to store a program for encoding a 3D video and a processor configured to execute the program stored in the memory, wherein the processor encodes a downsampled low-resolution additional view to generate a base layer bitstream, upscales the encoded low-resolution additional view, and secondarily encodes a residual signal between a reference view and the upscaled additional view to generate an enhancement layer bitstream.

The application provides a digital television emergency broadcast dynamic scheduling method and system based on state estimation, and relates to the technical field of emergency broadcast transmission, and the method comprises the following steps: S0, dividing a target area into a closed area and an open area based on the type of digital television; S1, when receiving current emergency information related to the target area, obtaining the historical on-off logs of all household digital televisions in the closed area, obtaining the initial coverage range of all public digital televisions on the grid in the open area, and obtaining the historical passenger flow data collected by all cameras; S2, estimating the first coverage range generated by the household digital televisions playing the current emergency information based on the historical on-off logs; S3, estimating the second coverage range generated by the public digital televisions playing the current emergency information on the grid based on the historical passenger flow data and the initial coverage range; and S4, rendering the target area based on the first coverage range and the second coverage range.

The invention relates to the technical field of vehicle driving control systems, and discloses a vehicle driving control system based on Internet of Things neurons, which comprises a receiving module, a sending module and a central processing module, wherein the sending module can send information such as vehicle speed, lanes and vehicle actions such as steering, lane changing, braking and overtaking to the outside, and all vehicles within a certain range around the vehicle can receive the information so as to make corresponding avoidance or provide conditions; and the receiving module. According to the vehicle driving control system based on the Internet of Things neurons, the sending module and the receiving module are adopted, communication between the neurons is achieved, namely interaction between vehicles is achieved, a neuron system does not need to wait for a new technology, low-delay broadcast sending can be achieved through an existing 5G technology, quasi-real-time sharing of vehicle parameters in a local area is achieved, and the vehicle driving control system is high in practicability. And further research and development are carried out on the basis, so that leap-type development of the automatic driving technology can be greatly accelerated.

The invention discloses an implementation method of a large-scale information issuing system, and relates to the technical field of multimedia information transmission. According to the implementation method of the large-scale information issuing system, three independent virtual local area networks are divided in an enterprise network and are respectively used for transmission of control instructions and issuing materials, broadcast transmission of multimedia signals and transmission of power supply control signals, and cross-device intercommunication is realized by utilizing a TRUNK link. A control computer, a multimedia player, an HDM I network extender, an intelligent PDU, a power supply controller and other devices are connected to corresponding VLANs, and independent and stable transmission of signals is achieved. And meanwhile, a timing task is set through the power supply controller to realize automatic startup and shutdown of the display screen and power utilization state monitoring, and equipment fault alarm is automatically triggered based on current abnormity. According to the method, the signal transmission quality and the system scale expansibility are improved, the equipment cost is reduced, the safety is improved, and intelligent power supply control and equipment state monitoring are realized.

The present disclosure describes methods, system, and devices for configuring extended cyclic prefix (ECP) for broadcast and / or multicast transmission. One method includes determining, by a user equipment (UE), ECP resource for at least one of broadcast transmission and multicast transmission according to predefined resources; and receiving, by the UE from a base station, a broadcast transmission or multicast transmission in the ECP resource. Another method includes configuring, by a base station, ECP resource for at least one of broadcast transmission and multicast transmission according to predefined resources; and transmitting, by the base station to at least one UE, a broadcast transmission or multicast transmission in the ECP resource.

To provide a digital broadcast receiver capable of executing a function with a higher added value.SOLUTION: A broadcast receiving device 40100 includes a broadcast receiving unit capable of receiving broadcast data of a broadcast program content and location information describing a reference destination for acquiring data related to the broadcast data from a broadcast transmission path, a communication unit capable of receiving communication data of a program content from the reference destination described in the location information via a communication line, a recording and reproducing unit capable of recording and reproducing the broadcast data of the broadcast program content received by the broadcast receiving unit, an output unit that outputs the broadcast data of the broadcast program content reproduced from the recording and reproducing unit to an external device, and a server function unit having a server function for the external device. In the output state from the output unit, the location information in which the description of the reference destination is rewritten to the description indicating the server function unit is output together with the broadcast data reproduced from the recording and reproducing unit.SELECTED DRAWING: Figure 29A

Methods, systems, and devices for wireless communications are described. Generally, a base station may transmit system information indicating multiple multicast-broadcast network areas, and may further provide configuration information for each multicast-broadcast network area indicating a location of multicast scheduling information (MSI). The MSI may include an indication of frequency resources on which to receive broadcast or multicast services. The MSI may indicate specific services for an multicast-broadcast network area that are provided via the different frequency resources (for example, different cells, carriers, channels, among other examples). In some examples, the base station may schedule broadcast or multicast services across frequency resources via semi-persistent scheduling. The MSI may indicate a redundancy version configuration (for example, time and frequency patterns for combined redundancy version broadcast transmissions).

To provide a display control method for more suitably receiving advanced digital broadcasting service.SOLUTION: In a display control method in a broadcast receiver capable of receiving a broadcast wave in which simultaneous broadcasting of a 4K broadcast service and a 2K broadcast service is performed via a broadcast transmission path and further capable of receiving IP simultaneous broadcasting of the 4K broadcast service via a communication transmission path, the broadcast receiver receives and demodulates the 4K broadcast service included in the broadcast wave and displays a broadcast program of the 4K broadcast service. When a failure occurs in receiving, demodulating, or displaying a 4K broadcast service, a first display switching process of receiving and demodulating a 4K broadcast service that is a simultaneous broadcast of a 2K broadcast service via a broadcast transmission path and displaying a broadcast program of the 2K broadcast service, and a second display switching process of receiving and demodulating an IP simultaneous broadcast that is a simultaneous broadcast of a 4K broadcast service via a communication transmission path and displaying a program of the IP simultaneous broadcast are selected and executed according to predetermined priorities.SELECTED DRAWING: Figure 16

The invention provides a bus communication system and a slave station communication address allocation and setting method, and the method comprises the steps: enabling slave station devices to serve as target slave station devices in sequence after a master station device enters a configuration mode, generating a unique device identification code, and generating a slave station broadcast message according to the unique device identification code, and carrying out the broadcast transmission of the slave station broadcast message; the master station device allocates a unique slave station communication address to the target slave station device according to a unique device identification code in the slave station broadcast message, and generates a master station broadcast message to broadcast and send, so that the target slave station device analyzes the master station broadcast message to obtain the allocated slave station communication address; the communication address of the slave station is modified into the communication address of the slave station; after each slave station device completes slave station communication address configuration, the master station device quits the configuration mode; therefore, the labor cost and time consumption for configuring the slave station communication address are greatly reduced, configuration errors are effectively reduced, and the configuration efficiency is improved.

The invention relates to the technical field of intelligent traffic, and provides an intelligent traffic communication highway real-time road condition broadcasting system and method based on multi-source data fusion, and the system comprises five modules: a multi-source data collection and fusion module, a broadcast transmission module, an information processing and publishing module, a system integration and optimization module, and a safety and privacy protection module. The multi-source data acquisition and fusion module acquires data through a GPS floating car, a video monitor, a traffic flow detector and the like, and eliminates a single data source error by using a spatio-temporal data fusion algorithm; the broadcast transmission module realizes efficient transmission by means of 5G and V2X communication technologies; the information processing and publishing module performs real-time processing, prediction and personalized pushing based on big data analysis and an artificial intelligence algorithm; the system integration and optimization module adopts cloud computing and edge computing to optimize resource allocation; and the security and privacy protection module guarantees data security and user privacy by applying a block chain and a differential privacy technology. The objective of the invention is to improve the accuracy, real-time performance and personalized service level of road condition information.

The utility model relates to the field of broadcast transmission facilities, concretely relates to an IP ceiling loudspeaker with all-optical network transmission, including shell, is provided with double optical network interface, constant voltage output terminal and power input terminal on the shell, the frame is connected in the shell bottom mouth, the base is fixed in the shell with the frame junction, the base end surface is equipped with the exciting vibrator, the circuit board subassembly is arranged in the shell inside, and the circuit board subassembly includes power and power amplifier module, signal processing system module and light transceiver and switch module. Through the ring network double link redundancy connection of optical cable, realize all-optical network communication, solved the problem that traditional network cable long distance transmission needs to increase relay equipment, and avoided the network breakage, error rate and other disadvantages caused by the traditional network cable because of the electromagnetic interference, can be used as the central node of the broadcast area, expands the connection many traditional constant voltage ceiling loudspeakers, improves the coverage efficiency of broadcast signal.

The utility model discloses a portable communication device, include: network switch, wideband radio station, narrowband radio station, serial port server and power module, the wideband radio station is used for receiving wireless signal, and is used for converting the network signal of receiving into wireless signal and broadcast transmission, the narrowband radio station is used for receiving wireless signal, and is used for converting the network signal of receiving into wireless signal and broadcast transmission, the serial port server is connected with network switch and external serial port equipment, to realize the data conversion and transmission between network switch and serial port equipment, the power module is connected with network switch, is used for power supply, the utility model discloses the network switch, wideband radio station, narrowband radio station and serial port server cooperation each other can realize the communication connection between the equipment such as external network port equipment, external serial port equipment and the equipment needing communication.

The invention belongs to the technical field of avionics, and particularly relates to a cockpit instrument reconstruction method for flight comment, which comprises the following steps of: setting unique identifiers for different data blocks by constructing a full-flow processing mechanism of data encapsulation, broadcast transmission, accurate analysis and mapping display, and combining data analysis, identification and a preset display area mapping relationship to obtain a cockpit instrument for flight comment. According to the method, the flight parameter data can accurately correspond to the picture designated area of the cockpit system, efficient data interaction and picture reconstruction between the flight comment and the cockpit system are achieved, the unique identifier is set for the data block, and a data analysis and recognition mechanism is combined, so that the problem of data block confusion in a traditional mode is effectively solved; the data can be quickly and accurately reconstructed and displayed on a specified picture by using the pre-established mapping relationship between the identifier and the cabin instrument display area, so that the flight comment efficiency is greatly improved. Meanwhile, through verification processing in the data packaging process and format verification before data analysis, the integrity and reliability of the data in the transmission and processing process are ensured.

Methods, systems, and devices for wireless communications are described that provide for an indication of a channel state by a user equipment (UE) that can be used to select transmission parameters for a downlink broadcast transmission. A network entity may transmit a first downlink transmission that may be received at a UE and used to measure a channel quality at the UE. The UE may transmit an uplink communication that provides an indication of the channel quality. The network device may receive the uplink communication, determine one or more transmission parameters for a broadcast downlink transmission based on the indication of the channel quality, and transmit the broadcast downlink transmission.

This application provides a method, method, device, and apparatus for indicating resource allocation. The method includes: a target UE broadcasting transmission channel resource information, wherein the number of hidden nodes within a preset range of the target UE meets preset conditions, and the transmission channel resource information is used to indicate the transmission channel resources for the target UE to receive data. This method solves the technical problem of resource conflicts arising from different UEs selecting the same transmission resources due to hidden nodes.