71 results about "Mobile broadcasting" patented technology

A device providing an emergency alert service via a mobile broadcasting according to one embodiment of the present invention includes an RS frame encoder configured to generate an RS frame, which is a 2nd dimensional data frame, in a manner of performing an RS (Reed-Solomon)-CRC (Cyclic Redundancy Check) encoding on an ensemble comprising a mobile data for a mobile broadcasting service and a service signaling channel containing an access information on the mobile broadcasting service, an RS frame divider configured to divide the generated RS frame into a plurality of RS frame portions, a signaling encoder configured to generate a signaling data comprising a TPC (Transmission Parameter Channel) for signaling a transmission parameter of the mobile broadcasting and a FIC (Fast Information Channel) containing a connection information between the ensemble and the broadcasting service, a data group formatter configured to generate a data group containing a part of the signaling data and the RS frame portion, and a broadcasting signal generating unit configured to generate a mobile broadcasting signal containing the data group.

A roaming service method in a mobile broadcasting system and a system thereof are provided. A terminal receives a service guide from a corresponding visited service provider (Visited SP) when the terminal moves to a roaming area. The terminal transmits a roaming request message for requesting a purchase item allowable for individual services to a home service provider (Home SP) based on the received service guide. Upon receipt of the roaming request message, the Home SP negotiates roaming availability and allowable scope for each individual service with the Visited SP where the terminal is located, based on the roaming request message. The Home SP transmits the roaming availability and allowable scope for the individual service, negotiated with the Visited SP, to the terminal.

Methods and apparatuses for transporting and receiving mobile broadcasting services in order to efficiently provide broadcasting services in a mobile communication system are provided. In the method of receiving mobile broadcasting services, a predetermined transport channel is determined by using service configuration information extracted from a service information channel, at least one transport packet is extracted from the determined transport channel, information about the transport packets is extracted from the transport packets, at least one encapsulation packet including the transport packets is generated by using the information about the transport packets, and application data including the encapsulation packets is generated by using information about the encapsulation packets which is extracted from the encapsulation packets.

An apparatus for receiving and processing a broadcast signal in a mobile broadcasting terminal is provided. A preprocessor receives a broadcast signal, converts the broadcast signal into a baseband signal, and then performs OFDM demodulation, Viterbi decoding, and convolutional deinterleaving thereon. A first Reed-Solomon (RS) decoder RS-decodes the signal output from the preprocessor, and outputs a Transport Stream (TS) packet. A checker checks Cyclic Redundancy Check (CRC) of the TS packet. A datagram extractor extracts a datagram having a good CRC result. A datagram controller receives the datagram having a good CRC result and outputs the received datagram to an application controller. The application controller decodes the broadcast data using the datagram received from the datagram controller and provides the decoded broadcast data to a user.

An Eureka-147 mobile broadcasting receiver for reducing power consumption and a method thereof is provided. In the present invention, addresses of capacity units carrying service components of a target broadcasting service are determined based on information included in multiplex configuration information (MCI) of a fast information channel (FIC) in a transmitting frame. Based on the determined addresses of the capacity units, a transmitting order number of OFDM symbol carrying the determined addresses of the capacity units is calculated. After calculating, a time region of receiving a synchronization channel, the FIC, the calculated OFDM symbol and an OFDM symbol previously received than the calculated OFDM symbol is setup as a power-on region. Power consumption of the mobile broadcasting receiver is reduced by activating analog circuits such as a tuner and an ADC only in the power-on region.

An apparatus and method for providing signaling information using inband transmission in a digital video broadcasting system where a frame for transmitting broadcasting data according to a ground-wave broadcasting service and broadcasting data according to a mobile broadcasting service is generated, and the generated frame is transmitted with an additional area for recording recognition information that indicates whether signaling information to be transmitted in the generated frame or the frame to be transmitted next time has been changed is allocated to a signaling information field of the generated frame.

A method and apparatus for providing an SG in a mobile broadcasting system are provided. The apparatus and method include a terminal for receiving a first SG, for acquiring reception information about a second SG from the first SG, if a service fragment list extracted from the first SG includes information about at least one second SG different from the first SG, and for receiving the second SG based on the acquired reception information.

An encryption key distribution method for service and content protection in a mobile broadcasting system, and a system for the same which includes generating, by a network, a first encryption key when the broadcast service is first provided; transmitting a generalized rights object message, which includes identification information for identifying the generated first encryption key, to the terminal; generating a second encryption key before the lifetime of the first encryption key expires; and transmitting the generalized rights object message, which includes identification information for identifying the generated second encryption key, to the terminal.

A method for registering Broadcast / Multicast Service (BCMCS) in a mobile broadcasting system including an access terminal, a BCMCS server for providing a BCMCS service to the access terminal, and a mobile communication system connected to the BCMCS server. The access terminal exchanges information, necessary for BCMCS setup, with a BCMCS controller connected to the BCMCS server during a state wherein a session to the mobile communication system is set up. Upon receiving a BCMCS overhead from an access network in the mobile communication system, the access terminal transmits a message, including BCMCS identification information for a desired BCMCS service, to the access network. Upon receiving the message, the access network transmits a BCMCS connect setup message to a packet control function in the mobile communication system. Upon receiving the BCMCS connect setup message, the packet control function then transmits a registration message, including BCMCS information, to a packet data service node in the mobile communication system.

Disclosed is a method and system for efficiently providing a multi-content, including a plurality of contents in one service, by means of a service guide upon providing the multi-content in an Open Mobile Alliance (OMA) mobile broadcasting system. When a broadcast transmitting apparatus provides a broadcast receiving apparatus with a multi-content by inserting a plurality of content into one service, the broadcast transmitting apparatus sets one of the plurality of content as a primary content, and provides a service guide including primary-content setting information to the broadcast receiving apparatus. The primary content represents a content set to be primarily provided to a user, among a plurality of content included in one service and simultaneously provided during a specific time period. The primary-content setting information represents information for identifying the primary content. The primary-content setting information may be included in a content fragment or schedule fragment of a service guide.

Systems and methods for processing and distributing legal text information allow content providers to distribute legal text to terminals receiving broadcast content. The legal text may include terms and conditions associated with content that a user may want to purchase or subscribe. Upon receiving a content selection that a user wishes to purchase, a terminal may determine whether the content is associated with legal text information. If so, the legal text may be obtained and rendered for the user. The terminal may further determine whether user consent is required and if so, prompt the user with a consent agreement. Legal text information may be obtained in a variety of manners including from a service provisioning system, from a local cache in the terminal and / or from a file delivery server. Communication of legal text information may further be conducted using messages storing legal text attributes and elements.

An apparatus and a method for providing broadcasting service information in a mobile broadcasting system are provided. The method for determining broadcasting service information includes determining a mapping table which matches information of a Service Map Table (SMT) and an Electronic Service Guide (ESG); determining at least one component ID in an SMT provided from a serving base station; determining whether there is an ESG matching to the component ID of the SMT using the mapping table; and, when detecting the ESG matching to the component ID of the SMT, determining service information by combining the ESG that matches the SMT with the SMT.

Disclosed herein is a video decoding system of a mobile broadcasting receiver. The video decoding system of a mobile broadcasting receiver for decoding a compression-coded video signal includes: at least one buffer memory for performing video decoding; a plurality of coprocessors including a data processing unit partitioned into one or more hardware blocks, wherein the data processing unit performs actual video decoding via data input / output from / to the buffer memory; and a DMA (Direct Memory Access) coprocessor for performing a direct access operation to an external memory, wherein, the at least one buffer memory, the plurality of coprocessors and the DMA coprocessor take the form of hardware, and operations thereof are controlled via software in a processor.

An apparatus and method for providing mobile broadcasting services through a communication network and a broadcast network, wherein a mobile terminal receives and stores Greenwich Mean Time (GMT) access address through an Electronic Service Guide (ESG) bootstrap File deLivery over Unidirectional Transport (FLUTE) session. The GMT access address is included in the ESG bootstrap FLUTE session when transmitted. The mobile terminal requests the GMT from the communication network using the GMT access address, receives the GMT from the communication network, and stores and sets the GMT.

Provided is an apparatus and a method for providing a three-dimensional (3D) broadcasting service that may provide a two-dimensional (2D) fixed broadcasting service using a fixed broadcasting signal or a 2D mobile broadcasting service using a mobile broadcasting signal when a transmitter transmits each of a left image and a right image constituting a 3D image using the fixed broadcasting signal or the mobile broadcasting signal, and the receiver receives the fixed broadcasting signal and the mobile broadcasting signal, or may provide a 3D broadcasting service by composing an image received using the fixed broadcasting signal and an image received using the mobile broadcasting signal into a 3D image.

A method of self-adaptable adjusting the sending power of the broadcasting station, which is applied to communicate information between a mobile station and a base station when the change of the fast decline and slow decline of a communication signal during the high speed running, according to the recorded values of the sending record queue of the sent groups, calculate the average retransmiting times in order to adjust the output power of the mobile broadcasting station dynamic ally, and then the channels are working in perfect state.

This invention relates to a digital mobile broadcast TV including a digital multimedia broadcast or a receiving and transmitting method used in ground digital video broadcast of handheld devices and DMB or DVB-H terminal used by this method, in which, the receiving includes: receiving DMB or DVB-H signals and transferring them into information data signals containing mobile video flow media, DAB sound frame, service information and quick information channels or IP data packets containing video flow, audio flow, or other data objects, the transferring step includes: converting various information data signals of mobile video flow media, DAB sound frame and service information and the quick information channels or IP data packets containing video flow, audio flow or other data objects to a format suitable of being transmitted to peripheral equipments to be transmitted to them. DMB or DVB-H terminal includes independent power, receiving sub-modules and communication sub-modules of 2.4 GHz blue tooth sub-modules transforming various information data in terms of the blue tooth standard and transmitting them via radio devices.

A system for reporting a reception ratio of a broadcast service in a broadcasting system. A network entity sends a reception ratio report indication message indicating at least one measurement type of a reception ratio for a broadcast streaming service. A terminal receives the reception ratio report indication message, and sends a reception ratio report message including the reception ratio indicative of a ratio of an expectedTotalPackets indicating a total number of packets that the terminal expects to receive for a reception ratio measurement interval according to a measurement type indicated by the reception ratio report indication message, to a receivedTotalPackets indicating a total number of packets that the terminal has received for the reception ratio measurement interval.

The invention discloses an integrated cabinet structured mobile recording and broadcasting system which is used for broadcasting and recording an onsite activity via a network. The system comprises a data source controllable center, wherein the data source controllable center can switch audio and video and desktop data streams through a plurality of integrated modules; a service strategy based content scheduling and time sequence management module customizes all equipment operation states and real-time process control by controlling equipment work time sequence logics, and carries out priority protection on equipment through predefined logical operation; and a plurality of data code compression algorithm modules are used for realizing synchronization and code compression of a plurality of data sources, and are used for network distribution. The integrated mobile broadcasting system can integrate all live broadcasting activity required equipment into an integrated work cabinet and bring the equipment to a site according to requirement so as to simplify the working process of the system and improve the working efficiency of onsite recording and rebroadcasting.

The invention relates to a high-power mobile broadcasting GEO satellite device and a transmission method. By adopting a compound feed source, the weight of a forward downlink antenna feed source array is reduced by more than 10%. In order to solve the problem brought by high-power components, the design of spatial power synthesis and output multiplex integration and antenna hierarchical power allocation is adopted. By adopting the spatial power synthesis technology, the loss is reduced by 1-2dB, and the synthesis efficiency is improved by about 5%. Through power synthesis and output multiplex integration, the loss is further reduced by 0.7-1dB, and the weight is reduced by 5%. For antenna hierarchical power allocation, components (such as a waveguide) with strong power bearing capacity (at 2000w level) are chosen for front-stage power division, and components (such as coaxial components) with small size and low weight (the size is reduced by more than 50% and the weight is reduced by 10% compared with the use of a waveguide) are chosen for rear-stage power division. In addition, a reverse link provides reverse service transmission capacity for a satellite. The high-power mobile radio GEO satellite device and the transmission method adapt to diversified development of broadcasting satellite service in the future, for example, user feedback, on-demand broadcasting and data acquisition capabilities can be provided. The satellite availability is improved.

An apparatus and method for measuring signal quality information in a mobile broadcasting network are provided, as well as a system supporting the same. A broadcast server provides a reporting condition for signal quality to a mobile terminal using a control message. The mobile terminal, when it satisfies the reporting condition, transmits a reporting message for signal quality to a management server managing signal qualities. The reporting message includes signal quality measurement results at the current location. In this way, information on the low-signal quality area is automatically collected from the mobile terminal, making it possible to rapidly and easily comprehend the sate of the mobile broadcasting network depending on the collected information.

A method and a system for distributing an encryption key for service protection and content protection in a mobile broadcasting system are provided where a network generates a first encryption key when a broadcasting service is first provided to the terminal, and transmits a long term key message including the generated first encryption key to the terminal. Also, the network generates a second encryption key before the life-time of a first access value pair expires, and transmits a long term key message including the generated second encryption key to the terminal.

An apparatus and method for providing mobile broadcasting services through a communication network and a broadcast network, wherein a mobile terminal receives and stores Greenwich Mean Time (GMT) access address through an Electronic Service Guide (ESG) bootstrap File deLivery over Unidirectional Transport (FLUTE) session. The GMT access address is included in the ESG bootstrap FLUTE session when transmitted. The mobile terminal requests the GMT from the communication network using the GMT access address, receives the GMT from the communication network, and stores and sets the GMT.

Disclosed is a broadcast receiving device. A terrestrial broadcast receiving unit receives a terrestrial broadcasting service. A mobile receiving unit receives a mobile broadcasting service transmitted via a network for mobile communication. A control unit allows the terrestrial broadcasting service and the mobile broadcasting service to be selectively received.

The present invention relates to a method for protecting mobile TV service content, comprising the following steps: Step 1, mobile TV / mobile multimedia broadcast content provider using a control word generated by a conditional access system to encrypt mobile broadcast content; Step 2, sending the control word to The mobile phone TV service platform of the mobile communication operator; Step 3, the control entity in the mobile TV service platform encrypts the control word; Step 4, decrypts the encrypted control word and the terminal after the encrypted The parameters needed by the control word are sent to the mobile phone TV / mobile multimedia broadcasting content provider; step 5, the mobile phone TV / mobile multimedia broadcasting content provider encrypts the mobile phone TV / mobile multimedia broadcasting content provider through the content provider network The broadcast content, the encrypted control word and the parameters are sent to the terminal; step 6, the terminal decrypts the mobile broadcast content encrypted by the control word. By adopting the method of the present invention, the least changes to the system are made, and it is also beneficial for mobile communication operators to develop broadcast and multicast services after establishing a BCMCS network in the future.