156results 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.

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.

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.

In aspects of automatic selection of audio broadcast based on direction, a media playback manager detects an available Bluetooth Low Energy (BLE) audio broadcast from a media device. Based on a location of a tag associated with the media device, the media playback manger determines a position of a wireless device relative to the media device. The media playback manager then receives the BLE audio broadcast at the wireless device based on the position of the wireless device relative to the location of the tag that is associated with the media device.

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.

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.

A transmission system includes encoding and modulation means for encoding and mapping a plurality of frames. Each frame encapsulates a set of information bits of the data traffic, and is associated with a first modulation order and a coding rate, to a plurality of frames of encoded and modulated symbols; physical layer framing means arranged for inserting synchronization symbols taken from a second modulation order into at least one frame of encoded and modulated symbols of said plurality, to obtain a plurality of physical layer frames. The transmission system has expansion means to replace, if the second modulation order is smaller than the first modulation order, at least a subset of the synchronization symbols inserted by the physical layer framing means by symbols from the same constellation as the modulated symbols in the frames of encoded and modulated symbols.

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 described technology is generally directed towards an adapting radio access network coverage for location-based alerts. A group of cells and / or cell sectors can be selected for sending an alert, according to selection techniques described herein. The selection techniques can provide a target level of cellular coverage for a geographic area, while avoiding over-inclusion of cells and consequent dissemination of alerts to subscribers outside the geographic area. The target level of coverage can comprise a desired amount of service overlap, to achieve a corresponding level of confidence that subscribers within the geographic area will receive an alert. The selection techniques can furthermore close identified coverage gaps within the geographic area.

Disclosed technology includes a sensory prosthesis configured to automatically select a broadcast channel based on a comparison with a signal from a sensor of the sensory prosthesis. In an example, a sound processor automatically connects to an appropriate wireless broadcast audio channel by comparing the sound the sound processor receives on a microphone with the audio the sound processor receives from each of the wireless broadcast channels that the sound processor can receive. If the sound processor finds a match between the sound from the microphone and the sound from a broadcast, then the sound processor automatically selects the matching wireless broadcast channel. The sound processor then provides auditory stimulation to the recipient based on the selected broadcast channel.

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.

Some embodiments of the disclosure provide an isolator which includes a body, a first circuit module, and a second circuit module. In some examples, the first circuit module is arranged at a first connecting port of the body and includes a first integrated circuit board, a first shell surrounding the first integrated circuit board, a first signal processing circuit penetrating through the first integrated circuit board, and a joint sleeved on an insulating bushing. The joint partially surrounds the first signal processing circuit. A first end portion of the first signal processing circuit is electrically connected to a first contact element. The second circuit module is arranged at a second connecting port of the body and includes a second integrated circuit board, a second shell surrounding the second integrated circuit board, and a second signal processing circuit extending along a length direction of the second integrated circuit board.

The invention discloses a multi-path driver passenger full duplex emergency call and stop announcement broadcast coexistence method, and relates to the technical field of audio processing. According to the scheme, station reporting broadcast and multi-path talkback signals are transmitted at the same time through a single MVB bus, coexistence of multi-path driver passenger emergency calls and station reporting broadcast and talkback of a driver with multiple passengers at the same time are achieved, hardware redundancy of a traditional discrete communication channel is omitted, the system complexity and cost are reduced, and the communication efficiency is improved. According to the weight, the multiple paths of talkback audio data are combined, the voice quality of the multiple paths of audio signals is improved, and signal conflicts are also avoided.

Methods for handling Media-based Modulation (MBM) in a wireless network (1000) by a Mission Critical (MC) Gateway (GW) User Equipment (UE) (300) are provided. The method includes storing information associated with an identifier at the MC gateway UE (300) in response to receiving an MC gateway Multimedia Broadcast Multicast Services (MBMS) bearer announcement from an MC client (100). The MC gateway UE (300) uses the identifier and the information to activate for monitoring the MBMS bearer by the MC gateway UE (300). Further, the method includes sending an MBMS listening status report to the MC client (100) based on the MC GW MBMS bearer announcement. Further, the method includes establishing a communication channel with the MC client (100) based on a parameter to receive an MC service data from the MC gateway UE (300), where the MC gateway UE (300) forwards the MC service data to the MC client (100).

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.

To provide a technology for more suitably transmitting or receiving advanced digital broadcasting services.SOLUTION: A system is configured to transmit a composite wave obtained by combining an upper hierarchical modulated wave and a lower hierarchical modulated wave with different transmission powers in the same frequency band, change the difference in transmission power between the upper hierarchical modulated wave and the lower hierarchical modulated wave, and include information about the difference in transmission power in either the upper hierarchical modulated wave or the lower hierarchical modulated wave before transmitting.SELECTED DRAWING: Figure 2A

The method includes a processor of a first UE receiving first group information for a user group with user-device members, the first group information including information for mapping a sidelink channel resource for each of the user-device members to perform a groupcast communication over sidelink for the user group, the first UE being a user-device member of the user group. The method further includes receiving second group information for transmitting data within the groupcast communication, the second group information including updated information of the first group information that is specific to the first UE, initiating a first transmission process to transmit a first data block to the user group for the groupcast communication over the sidelink based on the first group information, and adapting the first transmission process of the first data block based on the second group information.

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.

A method for user equipment to improve position information of one or more communication devices including obtaining map information about positions of the one or more communication devices, determining radio channel information about the one or more communication devices by analyzing a radio channel, and generating a node map having improved position information of the one or more communication devices using the map information and the radio channel information.

The invention discloses a communication device for terminal emergency broadcast, and relates to the technical field of communication, the scheme comprises a digital mainboard module, a configuration interface, an antenna interface and a communication interface, the digital mainboard module is connected with the communication interface, the configuration interface and the antenna interface; the configuration interface is used for receiving an emergency broadcast configuration message and transmitting the message to the digital mainboard module; the communication interface is used for receiving external access data and sending the external access data to the digital mainboard module; the digital mainboard module is used for processing the emergency broadcast configuration message, generating an emergency broadcast signal based on external access data and sending the emergency broadcast signal to the antenna interface; and the antenna interface is used for sending the emergency broadcast signal to a terminal. The method does not need to depend on existing network element upgrading of an operator, service broadcast time delay is reduced, rapid deployment in an emergency scene can be achieved, a large amount of manpower and material resources do not need to be consumed, and the requirement of the emergency scene is met.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments of the present disclosure provides a method for establish a channel, a base station, and a multi-cell multicast coordination entity (MCE), the method being applied in the base station and including: a point-to-point establishment request transmitted by a multi-cell multicast coordination entity (MCE) is received, the point-to-point establishment request being used to indicate establishment of a point-to-point channel for transmission of a multimedia broadcast multicast service MBMS, and the point-to-point establishment request including at least one of an MBMS service identifier and an identifier of a protocol data unit session (PDU session), and a bearer establishment request is transmitted to a core network in accordance with the point-to-point establishment request, for determining that the point-to-point channel is successfully established and converting the point-to-multipoint channel to a point-to-point channel. The method provided by the present disclosure implements establishment of the point-to-point channel to a point-to-multipoint channel. The embodiments of the present application provide a multimedia broadcast and multicast service (MBMS) transmission method and device. The method is applied to a DU, comprising: receiving a first notification message transmitted by a CU; transmitting a first message to the CU; transmitting the MBMS notification message to the UE according to the first notification message, wherein the MBMS notification message is used to notify the UE to receive a message transmitted on a MBMS control channel; receiving an MBMS service start request message transmitted by the CU; transmitting a MBMS message to the UE, used for establishing an MBMS bearer and transmitting MBMS data. The method provided in the present application realizes the successful establishment of a MBMS bearer and the effective transmission of MBMS data under a separated architecture.