Abstract: A method for transmitting signaling information for reception of a broadcast service in a digital broadcasting system is provided. The method includes generating signaling information that includes a network information table indicating information about a transport network over which broadcast service data is transmitted, and a service information table indicating at least one broadcast service and information about at least one Physical Layer Pipe mapped to the at least one broadcast service, and transmitting the signaling information in a Generic Stream Encapsulation packet.

Abstract: An apparatus and a method for performing audience measurement (AM) in a multimedia streaming system are provided. In a method for operating a terminal in the multimedia streaming system, a transmission stream including contents is received. At least one of audience measurement participation information and audience measurement execution information is obtained from at least one signaling table included in the transmission stream.

Abstract: A receiving apparatus includes a first receiving unit that receives signaling information and a first signal comprising reference data through a radio frequency broadcast network; a control unit that detects a plurality of additional data source information from the signaling information; a second receiving unit that accesses an internet protocol communication network, and receives a second signal comprising additional data from a source apparatus corresponding to each of the plurality of additional data source information; a storage unit that stores the reference data contained in the first signal and the additional data contained in the second signal; and an output unit that processes, synchronizes and outputs each of the reference data and additional data.

Abstract: A receiving apparatus includes a first receiving unit that receives a first signal comprising an information descriptor to describe service characteristics, reference data, and additional data reference information through a RF communication network; a second receiving unit that can be connected to an IP network; a demux unit that detects the information descriptor from the first signal; a first signal processing unit that processes the reference data; a control unit that, if it is determined as a hybrid service depending on the information descriptor, controls the second receiving unit to access a source apparatus corresponding to the additional data reference information; a second signal process unit that, if a second signal comprising additional data is received through the IP communication network, processes the additional data; and an output unit that synchronizes and outputs the reference data and the additional data.

Abstract: A receiving apparatus is provided. The receiving apparatus includes a first receiver which receives a first signal through a radio frequency (RF) broadcast network, a second receiver which receives a second signal through an internet protocol (IP) communication network, and a signal processor which detects pair type information from at least one of the first signal and the second signal, selects pair information, corresponding to the pair type information, from among the pair information included in the at least one of the first signal and the second signal, and synchronizes the first signal and the second signal with each other according to the selected pair information. Accordingly, different signals are synchronized and output.

Abstract: A method for changing a subscription status of a service in a mobile communication system, and a system thereof. A method is provided for changing a subscription status of a service by a terminal in a mobile communication system. The method includes transmitting a pause request message, in which a pause period of the subscription status is included, to a network entity; receiving, from the network entity, a pause response message including therein a possible pause period for the pause period included in the pause request message, and a trigger for changing validity for a Long-term Key stored in the terminal; and changing validity for the Long-term Key using the trigger for the possible pause period included in the pause response message.

Abstract: Service guide transmission/reception methods and apparatuses for providing users with a service guide supporting multiplay service are provided. Service guide delivery information is received at a terminal. Device class grouping information is extracted from the Service guide delivery information. A Service Guide Data Unit (SGDU) having service guide information required for composing a service guide matched to the terminal is received. The service guide composed using the service guide information received by means of the SGDU is displayed.

Abstract: Provided is a broadcasting system based on a network using an Internet protocol (IP). In the broadcasting system, a broadcast transmitter previously transmits first access information including a first network address for transmitting a general notification message and second access information associated with management of the broadcasting system, to a broadcast receiver. If a general notification event occurs, the general notification message is generated and the generated general notification message is transmitted to the broadcast receiver via one of a broadcast network and an interaction network using the first network address. The broadcast receiver receives a general notification message based on the first network address in data received from the broadcast transmitter.

Abstract: An apparatus and a method for transmitting a multimedia frame through a heterogeneous network in a broadcast system supporting a multimedia service based on an interne protocol are provided. The method includes generating header information including a frame identifier distinguishing a multimedia frame and information measuring a quality of a connection service between network layers and end-to-end network capabilities, and combining the header information and multimedia data to configure the multimedia frame.

Abstract: 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.

Abstract: A method and system is provided for sharing a service guide or a service guide fragment in a mobile broadcast system supporting a mobile broadcast service. A Broadcast Service Provisioning Client Function (BSP-C) sends a request for the service guide or service guide fragment to a Broadcast Service Provisioning Management Function (BSP-M). The BSP-M transmits the service guide or service guide fragment to the BSP-C if the BSP-M has the service guide or service guide fragment.

Abstract: 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.

Abstract: Embodiments disclose a method of processing signals in a digital broadcast receiving apparatus. The method of processing signals in the digital broadcast receiving apparatus further includes: extracting information about at least one widget, associated with a current broadcast program, from streaming data received through a broadcast network; installing the at least one widget in the digital broadcast receiving device on the basis of the extracted information; and executing the installed widget using input data installed in the streaming data of the current broadcast program.

Abstract: Disclosed is an inter-entity coupling method for service protection in a broadcast environment including a terminal and a broadcast network, which includes a Broadcast Service Application (BSA), a Broadcast Service Distribution (BSD) and a Broadcast Service Management (BSM) function. The method includes executing enrollment and service joining procedures for the terminal, wherein the terminal acquires a group key in the enrollment procedure and acquires a Rights Object (RO) for the service in the service joining procedure; receiving a message including a traffic key in the terminal; acquiring the traffic key from the message using the RO; receiving an encrypted service encrypted by the BSD in the terminal; and decrypting the encrypted service using the traffic key in the terminal.

Abstract: 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.

Abstract: A method of updating software of terminals in a mobile broadcast system is provided. The method includes creating an update command for terminals of a particular model, the update command including update information; and broadcasting the created update command. The update information includes software version information and at least one of terminal manufacturer information and terminal model information. Further, the method may further include, before broadcasting the created update command, forcibly requiring terminals subscribe to an update service; and creating and broadcasting an update file for terminals of the particular model from among the forcibly subscribed terminals. The software of the terminals may be firmware.

Abstract: A unified device management method and system for unified management of a fixed and mobile device includes a command execution controller which receives a device management command, sends a query message to the device, receives a response message transmitted by the device, creates a command execution policy based on the settings contained in the response message, and executes the device management command according to a policy, the device which generates and sends the response message to the command execution controller according to user inputs, and a remote access server which connects the device and the command execution controller by using a remote access protocol.

Abstract: A method and apparatus for allocating channel bandwidths in a wireless IPTV system is provided. The method includes measuring, if an additional service offering request is received in a saturation channel state, remaining execution times until a service of each terminal that is currently receiving a service is terminated, and setting a minimum of the measured remaining execution times to a unit time; calculating a securable channel bandwidth per the unit time with respect to each terminal that is currently receiving a service; and allocating, if the summation of the securable channel bandwidths per the unit time is equal to or greater than a channel bandwidth required to provide the additional service, the requested channel bandwidth in order to provide the additional service.

Abstract: A method for providing a notification message in a transmitter of a mobile broadcast system supporting an interaction channel is disclosed. Upon an occurrence of a notification event, a first means generates a notification message, and generates at least one delivery request message including a target address based on subscription information of the corresponding terminal, using the generated notification message. A second means determines a channel over which it will deliver a notification message to the corresponding terminal based on the target address, and delivers the notification message over the determined channel.

Abstract: Methods and apparatus for providing a multimedia service are provided. A first request message is transmitted from the device to a rights issuer requesting a first right object required to execute an advertisement. A first request response message having the first right object is transmitted from the rights issuer to the device. The advertisement is executed at the device using the first right object. A report message having an advertisement consumption specification is transmitted from the device based on execution of the advertisement. A report response message having an advertisement consumption certificate is received at the device. A second request message is transmitted from the device to the rights issuer requesting a second right object required to execute the content. A second request response message having the second right object is transmitted from the rights issuer to the device, when the second request message includes the advertisement consumption certificate.