73 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.

A machine automation system for controlling and operating an automated machine. The system comprises a controller and a sensor bus comprising a central processing core and a multimedia transport intranet for enabling dynamic bursting for a broadcast transmission scheme. Wherein messages are burst from the nodes to the central processing core and broadcast from the central processing core to all nodes.

A reception method for receiving a broadcast signal is disclosed. The reception method according to embodiments may comprise the steps of: receiving a broadcast signal; physical layer processing the broadcast signal to obtain link layer packets; link layer processing the link layer packets to obtain UDP / IP packets; UDP / IP layer processing the UDP / IP packets to obtain first data packets based on a first delivery protocol or second data packets based on a second delivery protocol; and processing the first data packets or the second data packets to obtain service data for a first service or service data for a second service.

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.

The invention discloses an image correction method and device, electronic equipment and a readable storage medium, the method is applied to the technical field of image processing, and the method comprises the following steps: broadcasting and transmitting a to-be-processed image to at least one computing node in a local area network; obtaining a correction result fed back by each computing node; the correction result is obtained after the at least one computing node carries out correction processing on a target area in the to-be-processed image according to the computing power of the computing node; and splicing the correction results to obtain a target correction result corresponding to the to-be-processed image. According to the invention, the image correction process of local processing can also be processed in parallel in a plurality of computing devices in a local area network, and the image correction efficiency is improved.

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 invention discloses an OTA upgrading method and system based on 5G NR broadcast, belongs to the technical field of 5G NR broadcast, and aims to solve the technical problem of how to improve the OTA upgrading efficiency, reduce the cost and improve the OTA upgrading safety and user experience. According to the technical scheme, the method comprises the steps of upgrading plan making and upgrading information processing, wherein an OTA upgrading server makes a detailed OTA upgrading plan according to the type and version condition of terminal equipment, and the upgrading time, the upgrading object and the upgrading content are determined; according to the OTA upgrading plan, upgrading information including an application ID, a version description, verification information and an applicable terminal identifier is generated and arranged into a format suitable for 5G NR broadcast transmission, the upgrading information is encrypted, encrypted upgrading information is generated, and the upgrading information, the encrypted upgrading information and the OTA upgrading plan are stored at the same time; broadcasting resource allocation and session establishment; broadcasting upgrading information; and the terminal equipment receives and processes.

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.

A method for managing radio resources suitable for a system in a non-terrestrial network (NTN) comprising at least a NTN satellite (100) and plurality of user equipment (200) that are configured to transmit data to NTN satellite (100) through random access. It is characterized by comprising following steps realized by the NTN satellite (100); assigning resource units (RU) from a resource pool to a first user equipment group as a first priority random access (RA) resource and to a second user equipment group as a second priority RA resource (420) for a next random access period where said first group of user equipment (310) have higher priority than second group of user equipment (320) for data transmission through random access, determining a first transmission probability for said first user equipment group and a second transmission probability for said second user equipment group where first transmission probability is higher than second transmission probability, broadcasting transmission probabilities to first group of user equipment (310) and second group of user equipment (320).

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.

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, from a broadcast transmission path, broadcast data of a broadcast program content and location information in which a reference destination for acquiring data related to the broadcast data is described, a communication unit capable of receiving communication data of the broadcast 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, and an output unit that outputs the broadcast data of the broadcast program content reproduced from the recording and reproducing unit to an external device. The output state from the output unit includes a state in which the location information in which the description of the reference destination is rewritten to the description indicating the server function unit and the layout control information of the description in the state received by the broadcast receiving unit are output.SELECTED DRAWING: Figure 29A

To provide a digital broadcast receiver capable of executing higher value-added functions. [Solution] A broadcast receiving device 40100 includes a broadcast receiving unit capable of receiving broadcast data of broadcast program content from a broadcast transmission path and location information describing a reference destination for acquiring data related to the broadcast data, a communication unit capable of receiving communication data of the broadcast program content from the reference destination described in the location information via a communication line, a recording / playback unit capable of recording and playing back the broadcast data of the broadcast program content received by the broadcast receiving unit, and an output unit that outputs the broadcast data of the broadcast program content played back from the recording / playback unit to an external device. The output state from the output unit includes a state in which location information in which the description of the reference destination has been rewritten to a description indicating a server function unit and layout control information with the description unchanged from when it was received by the broadcast receiving unit are output.

The utility model relates to the technical field of seat driving, and discloses a wireless somatosensory vibration system for a home theater, which comprises an audio signal processing end and a vibration driving end arranged in each seat of the home theater. The audio signal processing end comprises an audio signal processing module and a first Bluetooth module and is used for acquiring an audio signal output by a home theater sound system, quantizing the amplitude and frequency of the audio signal and then sending the audio signal; and the vibration driving end comprises a second Bluetooth module, a vibration signal processing module and a somatosensory vibrator, and is used for receiving the frequency and amplitude of the audio signal and generating a sine wave current signal to drive the somatosensory vibrator to vibrate. According to the utility model, the audio signal is analyzed to obtain the corresponding digital signal, so that the anti-interference performance of the signal is improved, and the signal is not easily interfered by the environment; and the Bluetooth module is used for broadcast transmission, so that the trouble of wiring is avoided, the cost is reduced, the quality and reliability of signal transmission are improved, and the film watching experience of a user is improved.

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.

To provide a technology for more suitably transmitting or receiving high grade digital broadcast services.SOLUTION: A transmission wave processing method for a digital broadcast transmission / reception system includes: transmitting a plurality of different transmission waves in a plurality of different polarization directions using the same frequency; so that frequencies of the plurality of different transmission waves do not overlap with each other, converting frequencies; performing frequency conversion to generate a plurality of transmission waves having different frequencies; mixing the transmission waves having different frequencies to generate a mixture transmission wave; splitting the mixture transmission wave to output a plurality of different transmission waves having different frequencies; receiving the output plurality of different transmission waves having different frequencies; and demodulating the received transmission waves to generate a stream. In the frequency conversion, processing of switching a transmission wave to be a target of frequency conversion processing and / or processing of switching a frequency of a converted transmission wave are enabled.SELECTED DRAWING: Figure 7D

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 application relates to a kind of coherent detection space light cooperation transmission methods based on local oscillator elastic light splitting, belong to space light communication technical field.The method includes: in optical transmitting terminal, bit sequence is modulated into optical signal using quadrature amplitude modulation method, then is divided into multiple channel uncorrelated sub-signals for broadcast transmission through fixed optical splitter;In optical receiving terminal, the signal transmitted by even-numbered link is phase-shifted through 90 degree phase shifter, and the phase orthogonality of even-numbered link and odd-numbered link signal is realized;At the same time, through elastic optical splitter, local oscillator light power is adaptively allocated to the photodetector corresponding to each link;The bit sequence is restored after the output signal of photodetector is demodulated through coherent receiver.The power distribution of elastic optical splitter is controlled by voltage controller, wherein the output voltage of voltage controller is dynamically determined according to the state of atmospheric channel by DDPG algorithm.The application can flexibly cope with the influence of different atmospheric channel conditions on transmission performance.

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 application provides a distributed multi-channel multi-source random broadcast transmission scheduling method and system, and belongs to the field of wireless communication. The method comprises the following steps: initializing node states, setting a source node as an active node, and setting the rest of the nodes as non-active nodes; for the active node, a wheel-based channel selection strategy is adopted to keep the channel selection of each node unchanged in each wheel containing continuous time slots; a pseudo-random channel mapping mechanism is used to construct the mapping relationship between channels and determine the final participating channel; when a non-active node receives a packet, the non-active node is converted to an active state; an active node transmits the first packet with an initial transmission probability, and adjusts the transmission probability according to a packet transmission probability dynamic adjustment strategy; when the number of packets transmitted by the node with a high probability reaches the number of packets initially stored by all source nodes, the packets initially stored by the source nodes are transmitted to all nodes in the network. The application can break away from the dependence on node degree information, and effectively resist interference such as frequency sweeping and blocking.

A station (STA) and a method performed by the STA are disclosed. The method includes receiving a frame including a broadcast service element from a transmitting STA, the broadcast service element including one or more fields associated with an enhanced broadcast service (eBCS) traffic flow that may be provided by the STA, the field comprises an identifier associated with one of the eBCS traffic flows, a field indicating whether a negotiation with the transmitting STA is required to receive data of one of the eBCS traffic flows, and scheduling information for receiving a broadcast transmission comprising the data of one of the eBCS traffic flows; and receiving, based on the scheduling information, the broadcast transmission of the data comprising the identifier associated with the one of the eBCS traffic flows and the one of the eBCS traffic flows.

To provide a broadcast transmission device and a relay device that can reproduce a scrambled content transmitted by digital broadcasting on various terminals.SOLUTION: A broadcast transmission device 100 includes sampling means 110 that divides a stream of a broadcast content to obtain a sample, sub-sampling means 120 that divides the sample into sub-samples such that each scrambled portion other than at least the last sub-sample is an integer multiple of the encryption key length, unitizing means 130 that stores the sub-samples in an MMTP packet and perform division into units in which at least the scramble portion in the MMTP packets other than the last unit is an integral multiple of the encryption key, scrambling means 150 that scrambles the scrambled portion to be scrambled for the sub-samples, and packetizing means 160 that stores the scrambled and unscrambled portions in separate MMTP packets when the sub-samples contain the scrambled portion and the unscrambled portion.SELECTED DRAWING: Figure 3