22 results about "Multimedia broadcasting" patented technology

The embodiment of the invention relates to a multimedia broadcast multicast service (MBS) processing method, terminal equipment, a base station, a device and a medium, the method comprises the following steps: receiving first information sent by the base station, the first information comprising a corresponding relation between first MBS service area information and MBS broadcast and / or multicast information; and monitoring the MBS broadcast and / or multicast service corresponding to the MBS broadcast and / or multicast information based on the corresponding relationship. According to the embodiment of the invention, the interference and power consumption on the terminal equipment can be reduced, and the safety and reliability of communication can be improved.

Embodiments of the present application provide a unicast multicast conversion method and apparatus, and a processor-readable storage medium, wherein the unicast multicast conversion method comprises: receiving a Radio Resource Control (RRC) reconfiguration message sent by a first network node, when Multimedia Broadcast Multicast Service (MBMS) service data packets sent by the first network node are received through a multicast bearer and a User Equipment (UE) is in a connected state; reconstructing an MBMS Packet Data Convergence Protocol (MBMS PDCP) entity according to the RRC reconfiguration message; sending a reconfiguration completion message to the first network node so that the first network node converts the multicast bearer to a unicast bearer and sends the MBMS service data packets to the UE through the unicast bearer, the reconfiguration completion message being configured to characterize that reconstruction of the MBMS PDCP entity is accomplished by the UE; and receiving the MBMS service data packets sent by the first network node through the unicast bearer. The method realizes the conversion of the UE from receiving the MBMS service data packets through the multicast bearer to receiving the MBMS service data packets through the unicast bearer, thereby ensuring that no data packets are lost.

Disclosed are example embodiments of methods, apparatuses and systems supporting beam diversity for multimedia broadcast multicast services. A method may comprise receiving information of one or more beams and abeam-specific repetition pattern for at least one of the one or more beams for transmission of a service from a network device, and receiving the service on the at least one of the one or more beams based on the beam-specific repetition pattern.

Methods and procedures may be needed to enable communication and proper operation to support coexistence of low-cost WTRUs and normal WTRUs.SOLUTION: Uplink transmissions and multimedia broadcast multicast service (MBMS) may be supported in a WTRU operating on a reduced bandwidth within an overall system bandwidth by receiving an uplink (UL) resource allocation within the reduced bandwidth and sending a transmission via the UL resource allocation. The reduced bandwidth may include a small number of physical resource blocks (PRBs) that do not overlap with PRBs located at the band edge of the entire system bandwidth including the system PUCCH. The UL resources may be located at both band edges of the reduced bandwidth, may be a PRB pair at the same frequency of the reduced bandwidth, or may be a PRB pair in the first slot of the first subframe and the second slot of the second subframe of the reduced bandwidth.SELECTED DRAWING: Figure 4

The present disclosure describes methods, system, and devices for determining a user equipment (UE) to perform multimedia broadcast multicast (MBMS) uplink feedback. The method includes receiving, by at least one UE, a multicast traffic channel (MTCH) transmission in a MBMS service from a radio access network (RAN). The method further includes, in response to determining that a channel quality indicator (CQI) of the UE satisfies a preset condition, determining, by the UE, to perform MBMS uplink feedback.

1. Name of the Design Product: Electronic Device with a Graphical User Interface for Multimedia Broadcasting. 2. Use of the Design Product: For an electronic device. 3. Design Key Points of the Design Product: Lies in the content of the graphical user interface. 4. Picture or Photograph that Best Illustrates the Design Key Points: Front View. 5. Use of the Graphical User Interface: The graphical user interface of the electronic device is used to display multimedia broadcasting content. 6. Human-Computer Interaction Method of the Graphical User Interface: The front view is the system login interface. After completing the login verification, it enters the interface change state diagram 1; the interface change state diagram 1 is the main core interface; the business operations are displayed on the left. After entering the interface change state diagram 1, it defaults to the achievement display; click on the account dropdown box in the upper right corner of the page of the interface change state diagram 1, and the interface jumps to the interface change state diagram 2; the function introduction appears in the upper right corner of the interface change state diagram 2.

Embodiments of the present disclosure relate to a multimedia multicast / broadcast service (MBS) processing method, a terminal device, a base station, an apparatus, and a medium. The method comprises: receiving first information sent by a base station, wherein the first information comprises a correspondence between first MBS area information and MBS information; and monitoring, on the basis of the correspondence, MBS corresponding to the MBS information. The embodiments of the present disclosure can reduce interference and power consumption of terminal devices, and can improve the security and reliability of communications.

This disclosure describes a method, system, and apparatus for determining whether a user equipment (UE) is performing Multimedia Broadcast Multicast (MBMS) uplink feedback. The method includes at least one UE receiving a multicast traffic channel (MTCH) transmission in an MBMS service from a radio access network (RAN). The method further includes the UE determining to perform MBMS uplink feedback in response to determining that its channel quality indicator (CQI) meets preset conditions.

The present disclosure describes methods, systems, and devices for allocating uplink resources for multimedia broadcast multicast (MBMS) uplink feedback information. The method includes a radio access network (RAN) transmitting at least one multicast traffic channel (MTCH) transmission in an MBMS service to at least one user equipment (UE). The method also includes the RAN allocating at least one resource for the at least one UE to transmit MBMS related uplink feedback information corresponding to the at least one MTCH transmission.

This application relates to a channel switching method for mobile communication multimedia broadcasting and terrestrial digital television broadcasting. The method includes: inserting multiple program stream time tags into the target digital television broadcasting program stream to obtain two identical target program streams; inputting the target program streams to a target broadcasting channel and a mobile internet channel respectively, and performing program stream time tag detection to obtain first and second program stream time tag detection results; and based on the first and second program stream time tag detection results, performing buffer control on the target digital television broadcasting program streams to achieve real-time seamless switching of the target digital television broadcasting program between the mobile network digital television broadcasting platform and the terrestrial digital television broadcasting system. This solves the problems of incompatibility and lack of seamless integration between traditional broadcast television services and online audiovisual services, resulting in poor user experience.

The present disclosure provides multimedia broadcast monitoring method and system, and an electronic device. The method includes generating a first verification image of a play plan according to a pre-generated first identification image and configuration information of a display terminal, the first identification image being configured to represent first identity authentication information configured to represent the play plan; generating to-be-displayed data according to the play plan, a multimedia file corresponding to the play plan, and the first verification image, so that the display terminal performs display in response to the to-be displayed data; receiving and analyzing a display image sent by the display terminal, and after a second identification image is derived from the display image, acquiring second identity authentication information; and comparing the second identity authentication information with the first identity authentication information, and determining whether the display image is correct according to a comparison result.

Embodiments of the present disclosure provide a key management method and a communication apparatus, and relate to the field of communication technologies, to securely transmit multicast service data, and prevent an unauthorized terminal device from obtaining the multicast service data. The method includes: A terminal device obtains a target key, where the target key includes at least one of a target multimedia broadcast / multicast service service key (MSK), a first sub-key corresponding to the target MSK, or a second sub-key corresponding to the target MSK, the first sub-key is for confidentiality protection calculation, and the second sub-key is for integrity protection calculation. The terminal device receives target data, on which security protection is performed, from a multicast user-plane processing network element. Then, the terminal device processes the target data using the target key.

The invention relates to a channel switching method for mobile communication multimedia broadcasting and terrestrial digital television broadcasting, and the method comprises the steps: inserting a plurality of program code stream time labels in a target digital television broadcasting program code stream, and obtaining two paths of same target program code streams; respectively inputting the target program code stream into a target broadcast channel and a mobile internet channel, and carrying out program code stream time label detection on the target program code stream and the mobile internet channel to obtain a first program code stream time label detection result and a second program code stream time label detection result; and performing cache control on the code stream of the target digital television broadcasting program based on the detection results of the time labels of the first program code stream and the second program code stream so as to seamlessly switch the target digital television broadcasting program between the mobile network digital television broadcasting platform and the terrestrial digital television broadcasting system in real time. Therefore, the problems that the traditional broadcast television service and the network audio-visual service cannot be compatible and work together, seamless connection of the same program is difficult to realize, the user experience is poor and the like are solved.

The utility model relates to the field of information detection, and provides FPGA-based portable signal detection equipment, which comprises a shell, an integrated conformal antenna, a signal demodulation module, an FPGA module, a communication module, a storage module, a power supply module, a touch display screen module and an audio output module. The device can receive and demodulate various types of broadcast and communication signals, such as FM / AM broadcast signals, DTMB terrestrial digital television signals and CMMB mobile multimedia broadcast signals, and comprehensively detect and process a physical layer, a code stream layer and an audio and video layer through the FPGA module. And meanwhile, the equipment has the function of transmitting detection data and alarm information back to a monitoring center, so that efficient signal detection and management are realized, and the accuracy and convenience of signal detection are improved.

A user equipment device (UE) can receive multimedia broadcast and multicast service (MBMS) transmissions on a bandwidth part (BWP) that is specifically allocated for MBMS point-to-multipoint (PTM) transmissions or on MBMS-specific resources configured for PTM transmissions within a UE-specific BWP. A network (e.g., a base station) can configure a MBMS-specific BWP for the UE for the PTM transmissions of each serving cell. The MBMS-specific BWP can be for downlink transmissions and can be cell-specific or UE-specific for each serving cell. The base station can provide the UE with MBMS PTM scheduling information for each BWP, can indicate whether a UE-specific BWP can be used for PTM scheduling and transmissions, and can provide the corresponding scheduling configuration when applicable. The UE can communicate to the base station various capabilities of the UE related to MBMS reception and simultaneous reception of PTM and point-to-point (PTP) transmissions to assist the base station in scheduling communications for the UE.

The present application relates to methods, systems, and devices related to digital wireless communication, and more specifically, to techniques related to determining PUCCH resources for a HARQ-ACK codebook of a MBMS service. In one exemplary aspect, a method for wireless communication is disclosed. The method includes receiving, by a terminal, a first set of information relating to a unicast service and a second set of information relating to a multimedia broadcast multicast service (MBMS). The method also includes generating, by the terminal, a final codebook that is a concatenation of a first codebook based on the first set of information and a second codebook based on the second set of information.

The utility model discloses a DTMB (Digital Television Terrestrial Multimedia Broadcasting) high-definition digital television receiving monitor and belongs to the technical field of audio and video monitoring. The monitor comprises: a casing, the side surface of which in the length direction is provided with a panel; the input and output interface module is arranged on the side surface of the shell; the receiving demodulation module is arranged in the shell; the plurality of display modules are arranged on the panel; the audio indication module is arranged on the panel and located on one side of the display module; the interaction module is arranged on the panel; the main control module is arranged in the shell; the input / output interface module is connected with the receiving demodulation module; the display module is connected with the audio indication module; the input and output interface modules, the receiving demodulation modules, the audio indication modules, the interaction modules and the display modules are equal in number; and the main control module is connected with the receiving demodulation module, the display module and the interaction module. The three display modules are arranged on the panel, audio and video signals of three sets of programs can be output at the same time, and the effect of monitoring emission of multiple frequencies at the same time is facilitated.

The present disclosure describes methods, system, and devices for allocating uplink resource for multimedia broadcast multicast (MBMS) uplink feedback information. The method includes sending, by a radio access network (RAN) to at least one user equipment (UE), at least one multicast traffic channel (MTCH) transmission in a MBMS service. The method also includes allocating, by the RAN for the at least one UE, at least one resource for transmitting MBMS-related uplink feedback information corresponding to the at least one MTCH transmission.

A communication method includes receiving, by a terminal device, first indication information. The first indication information is useable to indicate to the terminal device to disable a feedback function corresponding to a multimedia broadcast multicast service. The method further comprises disabling, by the terminal device, the feedback function corresponding to the multimedia broadcast multicast service.