93results about "Broadcast transmission systems" patented technology

Methods and apparatus are described for enhanced node communication within a wireless node network having nodes and a server. The method begins with a first node associating with a second node, and the first node capturing relevant node information. The first node transmits the relevant node information to the server via the second node operating as an intermediary for indirect communication with the server. A third node captures relevant node information and transmits the relevant node information to the server without using the second node as an intermediary or bridge to the server. Each of the first node, the second node, and the third node may be wireless transceiver-based nodes and respectively implemented as integrated circuits.

Systems and apparatus are described for enhanced communication within a wireless node network. A system includes a server and multiple nodes, where each node can generate sensed data about or around the node and receive external data from another node according to a server tracked logical connection between those nodes. At least a subset of the nodes can connect to the server using a first connectivity mode or an intermediary connectivity mode. In the first connectivity mode, a first node of the subset can transmit a message directly to the server without using intermediary ones of the nodes (where the message includes sensed data about or around the first node). In the intermediary connectivity mode, the first node can receive the external data from the another node and transmit the external data to the server (where the external data is sensed data about or around the another node).

Methods and apparatus are described for enhanced node communication within a wireless node network having nodes and a server. A first subset of nodes transmits first data messages to the server without using an intermediary device where the first data messages include sensed data generated by the nodes of the first subset of the plurality of nodes about or around the nodes of the first subset of the plurality of nodes. A second subset of the plurality of nodes receives external data from the other of the nodes. The second subset of the plurality of nodes are intermediary devices that transmit the received external data to the server, wherein the received external data from the other of the nodes comprises sensed data about or around the other of the nodes.

Methods and apparatus are described for enhanced node communication within a wireless node network having nodes and a server. The method begins with a first node associating with a second node, and the first node capturing relevant node information. When the first node is in a first connectivity mode, the relevant node information is transmitted to the server via the second node operating as an intermediary for indirect communication with the server. When the first node is in a second connectivity mode, the first node transmits the relevant node information to the server without using the second node as the intermediary or bridge to the server. Each of the first node and second node may be wireless transceiver-based nodes and respectively implemented as integrated circuits.

Methods, systems and apparatus are described for enhanced node communication within a wireless node network having nodes and a server. The method begins with a first node associating with a second according to a server tracked logical connection authorized by the server. The first node captures relevant node information including shared data from another of the nodes. The first node transmits, when operating in a first connectivity mode, at least the shared data to the server using the second node operating as an intermediary for indirect communication with the server. The first node transmits, when operating in a second connectivity mode, at least the shared data to the server without using the second intermediary node by having the first node transmitting a message with at least the shared data to the server while avoiding the need to first send the message to the second node during transit to the server.

A method and apparatus for multicast broadcast service. The method implemented at an access and mobility management function (AMF) entity comprises receiving a message for starting a multicast / broadcast (MB) session from a session management function (SMF) entity. The message comprises first location information. The method further comprises sending an MB session joining accept, reject, or cancel message to at least one terminal device based on the first location information.

In one aspect, an example method includes (i) encountering, by a media playback device of a vehicle, a trigger to update a list of currently tunable radio stations; (ii) based on encountering the trigger to update the list of currently tunable radio stations, updating, by the media playback device, the list of currently tunable radio stations using a location of the vehicle and radio station contour data stored in a local database of the media playback device; and (iii) displaying, by the media playback device, a station list using the list of currently tunable radio stations.

In aspects of audio broadcast management based on audio disruption, a wireless device receives an audio broadcast from an audio source device, and initiates a connection to the audio broadcast. The wireless device detects an audio disrupt event of the audio broadcast based on audio frequency data, audio intensity data, or a predefined time limit associated with the audio broadcast. In response to this, the wireless device initiates a disconnection from the audio broadcast, and initiates a connection to a new in-range audio broadcast.

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 broadcast signal transmission apparatus according to one embodiment of the present invention comprises: a first RF subframe signal generation unit for generating at least one first RF signal; a second RF subframe signal generation unit for generating at least one second RF signal; a first RF unit for generating, on the basis of at least a portion of the at least one first RF signal, at least one first RF transmission signal corresponding to a first RF channel from among the first RF channel and a second RF channel, which are channel-bonded; and a second RF unit for generating, on the basis of at least a portion of the at least one second RF signal, at least one second RF transmission signal corresponding to the second RF channel.

A data transmission method includes receiving, by a first access network device, local service indication information and a service identifier from a core network device. The local service indication information indicates that a service to which a data packet of a first session belongs is a local service. The data transmission method also includes sending, by the first access network device, third indication information to a second access network device. The third indication information indicates that the service is the local service.

A system to broadcast an audio signal includes user equipment (UE) configured to concurrently broadcast the audio signal to a plurality of receiving devices based on a broadcast template. As the UE broadcasts the audio signal, the UE receives reception data from the plurality of receiving devices indicating the quality of the reception of the audio signal. Based on one or more event triggers occurring, the UE adjusts one or more broadcast parameters of the broadcast template based on the reception data received from the plurality of receiving devices. The UE then continues to broadcast the audio signal based on the adjusted broadcast parameters of the broadcast template.

One disclosure of the present specification provides a method by which a Session Management Function (SMF) provides a multicast service. The SMF performs the steps of: receiving a first message from a relay user equipment (UE), wherein on the basis of the relay UE receiving a join request of a first remote UE for a multicast group from the first remote UE, the first message includes (i) the join request of the first remote UE and (ii) information about the first remote UE, and on the basis of the relay UE wanting to join the multicast group by itself, the first message includes a join request of the relay UE; checking whether the join request included in the first message is a first join request for the multicast group from among the relay UE and one or more remote UEs receiving a network connection service from the relay UE.

Apparatuses for playing signals received from the internet or other information highway or a stored database on one or more speakers are described. The apparatus has a receiver for receiving information from preselected addresses; a processor for interpreting the signals; and a headset with at least one speaker for playing signals from the internet. There is at least display device in the headset in the form of a holographic projector connected to the receiver for displaying a 3D holographic image received from the internet. The processor selects images that correspond with the signals played by the speaker. The speaker projects the sound so that it appears that the sound is coming from a place other than the actual speaker itself. A holographic projector connected to the processor projects a 3D holographic image onto the place from which the sound appears to originate, rather than on the actual speaker itself.

Aspects of the present invention relate to an outdoor emergency broadcasting device, an outdoor emergency broadcasting system, and a computer-implemented outdoor emergency broadcasting method. The outdoor emergency broadcasting device comprises: one or more speakers configured to provide an audible emergency message; a wireless receiver configured to receive an emergency alert from an external device; a controller; one or more batteries for providing power to the one or more speakers, wireless receiver and controller; and a device housing substantially enclosing the controller and the one or more batteries; wherein the controller is configured to: receive, from the external device via the wireless receiver, the emergency alert; determine audio output data in dependence on receiving the emergency alert; and transmit the audio output data to the one or more speakers for providing the audible emergency message.

The invention is suitable for the technical field of data processing, and provides an audio playing control method and device and a loudspeaker. The method comprises the following steps: sending a request broadcast based on Bluetooth broadcast; obtaining a response broadcast sent by the terminal device based on the Bluetooth broadcast, and analyzing a device identification code and song list information of the terminal device from the response broadcast; obtaining a plurality of concerned tracks contained in the song list information; obtaining a music style label of each concerned track, screening out the concerned track of which the similarity between the music style label and the scene label of the place environment is higher than a threshold value, and setting the concerned track as a target track; and adding the target track into a playlist of the scene broadcast of the place environment for playing. The method has the advantages that the preference of field audiences is captured in real time through Bluetooth broadcasting, so that the playing content is dynamically matched with the place atmosphere; only the song unit data needs to be acquired, and the user does not need to log in or upload personal sensitive information, so that the method has relatively high privacy data protectiveness.

: A media data processing method according to embodiments may comprise the steps of: generating media data; generating a service list for the media data; and transmitting the media data and the service list on the basis of a network. A media data processing method according to embodiments may comprise the steps of: receiving media data and a service list for the media data on the basis of a network; and processing the media data on the basis of the service list.

An apparatus for transmitting a broadcast signal according to one embodiment of the present invention comprises: a first RF BICM unit for generating at least one first RF core layer BICM signal and at least one first RF enhanced layer BICM signal; a second RF BICM unit for generating at least one second RF core layer BICM signal; a layered division modulation unit for generating at least one layered division multiplexed signal by performing layered division multiplexing corresponding to at least a part of the at least one first RF core layer BICM signal and at least a part of the at least one first RF enhanced layer BICM signal; and a transmission signal generation unit for generating at least one first RF transmission signal corresponding to the at least one layered division multiplexed signal and at least one second RF transmission signal generated on the basis of at least a part of the at least one second RF core layer BICM signal.

Method and system for conveying a plurality of component signals transmitted from a multi-waveform transmitter to a ground hub having or coupled to an equal plurality of receivers as a combined signal in a common frequency band. For each of the component signals respective adjusted signals are generated by adjusting at least one inherent characteristic of the respective component signals based on waveform-specific constraints so as to allow discrimination of the adjusted signals by a respective one of the receivers based solely on the at least one inherent characteristic without requiring additional signal information and without requiring encoding of the component signals by the transmitter. The adjusted signals are combined in a common frequency band to form a combined signal. and transmitted to the ground hub.

Systems and techniques are provided for wireless communication. A first network entity (e.g., a user equipment (UE)) can receive information indicative of a configuration for multicast discontinuous reception (DRX). The information can be received from a second network entity (e.g., a base station). The first network entity can perform unicast data communication using one or more multicast DRX cycles of a plurality of multicast DRX cycles corresponding to the configuration, wherein the unicast data communication is performed between the first network entity and the second network entity. A second network entity (e.g., a base station) can transmit, to a user equipment (UE), information indicative of a configuration for multicast discontinuous reception (DRX). The second network entity can perform unicast data communication with the UE using one or more multicast DRX cycles of a plurality of multicast DRX cycles corresponding to the configuration.

Systems and methods for implementing Soft-duplex functionality in an amplifier in a HFC network.

The invention provides a frequency modulation broadcast signal monitoring system, which comprises a modulation domain anomaly detection module, a modulation distortion identification unit based on deep learning, an FM signal modulation index deviation analysis module, an output anomaly type and a confidence coefficient in real time; the distributed sensing network is a three-layer monitoring node composed of a miniature repeater in a tunnel, a vehicle-mounted mobile monitoring terminal and a fixed base station, and networking is carried out through a LoRaWAN protocol; the multi-source data fusion engine is used for correlation analysis of modulation domain data, spatial position data and environmental electromagnetic data; through three innovations of modulation domain depth analysis, distributed passive sensing and multi-source data collaboration, the bottleneck of a traditional monitoring technology is thoroughly broken through, global real-time guarantee is provided for broadcast signal safety, modulation domain analysis is improved, the modulation distortion recognition accuracy is improved, faults are early warned in advance, a distributed network eliminates monitoring blind spots of shielding areas such as tunnels, and the safety of broadcast signals is improved. The emergency response time is shortened, the interference source three-dimensional positioning is realized through multi-source data fusion, the positioning error is small, and the troubleshooting efficiency is improved.

A system and method for monitoring respiratory movements and generating real-time audio feedback reflects a user's breathing pattern. The system includes a respiratory sensor, a signal processor, an audio synthesis unit, a wireless transmitter, and an audio output device. Respiratory signals are captured, filtered, and analyzed to determine inhalation and exhalation phases. The audio synthesis unit produces corresponding sound signals that are dynamically modulated based on the user's breathing intensity and rhythm. The audio output provides a continuous, natural-sounding auditory representation of breathing, which can be used for caregiver reassurance, sleep monitoring, or relaxation purposes. Abnormal events such as breathing cessation or muscle spasms may trigger audio alerts or spoken messages. Processed physiological metrics, including respiratory rate, heart rate, and sleep state, being transmitted to a cloud platform for long-term analysis. The system may also interface with smart lighting or external alerting devices to support hearing-impaired caregivers.

There is provided a face plate (36) for a cable tap (10) comprising a printed circuit board (PCB) (40) and first and second electrically conductive interface elements (32, 32′) in contact with the PCB (40), wherein the first interface element (32) has a first impedance and is configured to engage with an input connector (24) within a back box (12) and the second interface element (32′) has a second impedance and is configured to engage with an output connector (24′) within the back box (12). The interface elements are elongate pins, typically with a length in the range 2 to 25 mm. A support structure (42) disposed around each interface element. Part of the support structure (42) forms a boss (64, 64′) mountable on electrical switches associated with a power bar (70) within a back box.

The invention discloses a road traffic emergency broadcasting method, device and system, and relates to the technical field of intelligent traffic, and the method comprises the steps: collecting road traffic environment data in real time through a multi-source sensing device; carrying out fusion processing on the collected multi-source road traffic environment data, identifying emergencies, and determining the types, positions, influence ranges and emergency degrees of the emergencies; dynamically allocating 5G network slice resources according to the type, the influence range and the emergency degree of the event, and generating an optimal broadcast strategy; and based on the optimal broadcast strategy, through a vehicle wireless communication V2X interface and / or a 5G cellular network interface, cooperatively broadcasting emergency early warning information in a standardized format to vehicle terminals within the influence range. According to the invention, millisecond-level response from event sensing to information broadcasting is realized, the problems of response delay, non-uniform coverage, poor protocol compatibility and the like in the prior art are effectively solved, and the road traffic safety level in an intelligent network connection environment is remarkably improved.

Systems and methods for processing video packets that leave a dejitter buffer of a remote device in a distributed access architecture, in a manner indifferent to whether the remote device is synchronized with, or not synchronized with, a clock in a video core that provides the video packets to the remote device. Also, devices systems and methods implemented in a distributed access architecture that allow a remote device to automatically recover from a phase jump event without resetting. A remote device may recover without resetting when a negative phase jump is detected.

To deal with the issue in which delay of a system causes delay of display and the delay of display causes danger on viewers when emergency information sent when disasters occur is distributed in the same manner of transfer as the manner for transferring a picture sound content.SOLUTION: In the present invention, a picture sound distribution system formed of a distribution system for distributing a picture sound content and a reception terminal for receiving a picture content by a net distribution displays emergency information sent when disasters occur, with smaller delays than in the case of the picture sound content.SELECTED DRAWING: Figure 1

The utility model discloses a networked broadcast system, which comprises a networked broadcast host server, an Ethernet and a broadcast playing terminal, and the broadcast playing terminal is in communication connection with the networked broadcast host server through the Ethernet. The broadcast playing terminal comprises a networked outdoor partition explanation column loudspeaker, a network visual talkback terminal, a network visual LED screen terminal and an intelligent broadcast lamp post. The networked outdoor partition explanation sound post, the network visual talkback terminal, the network visual LED screen terminal and the intelligent broadcast lamp post communicate with the networked broadcast host server through the Ethernet, and broadcast playing, talkback and LED screen display functions are achieved under the control of the networked broadcast host server. The technical problem that an existing networked broadcasting system is difficult to meet diversified requirements of users is solved.

A provider equipment identification (ID) device includes a provider equipment with a plurality of output ports and an ID beacon device. The provider equipment is configured to perform a signal processing operation on an input signal and deliver an output signal to one or more of the output ports. The ID beacon device is coupled to the provider equipment. The ID beacon device is configured to output at least one pilot beacon signal which is receivable by each of the output ports to electrically excite each of the output ports such that the at least one pilot beacon signal is introduced in the output signal to generate an altered output signal capable of identifying the provider equipment.

The invention provides an all-optical ring network IP broadcast system, which is characterized by comprising a multi-link network broadcast server, a multi-link network broadcast inter-cut box, a multi-link network audio collector, a multi-link network fire-fighting linkage device, a multi-link optical fiber loudspeaker box, a multi-link optical fiber ceiling loudspeaker, a multi-link optical fiber sound post and a core ring network optical switch, the multilink network broadcast server, the multilink network broadcast inter-cut box, the multilink network audio collector, the multilink network fire-fighting linkage device, the multilink optical fiber loudspeaker box, the multilink optical fiber ceiling loudspeaker and the multilink optical fiber sound post are all internally provided with optical fiber data core boards. The system has the characteristics of streaming media transmission interconnection and intercommunication of a network broadcasting system, and also has the characteristic of no transmission delay of an audio optical transmitter and receiver; normal operation of equipment of the whole system is not affected when any optical fiber node is disconnected.