Abstract: The present disclosure relates to a method of transmitting multimedia content in a broadcast communication system, and comprises the steps of: identifying protocol information mapped for each service corresponding to multimedia content; transmitting service-related information including the identified protocol information mapped for each service; and transmitting multimedia content corresponding to related services to a receiving side by using the identified protocol.

Abstract: A method for determining a network for receiving, by a user terminal, data for a content service, according to an embodiment of the present disclosure, comprises the steps of: receiving the data from a first network; receiving transmission characteristic information of the data for receiving the data from the first network; obtaining network state information of a second network using information included in a packet header of the data; and determining whether to switch the network for receiving the data from the first network to the second network, on the basis of the transmission characteristic information and the second network information.

Abstract: A transmitting apparatus is provided.

Abstract: The present invention provides a method for a transmission apparatus in a multimedia system. The method comprises a step of transmitting a message including a priority order of media source location information, and three or more pieces of media source location information, wherein the three or more pieces of media source location information include primary media source location information, alternative media source location information and original media source location information.

Abstract: The present disclosure relates to a method of transmitting multimedia content in a broadcast communication system, and comprises the steps of: identifying protocol information mapped for each service corresponding to multimedia content; transmitting service-related information including the identified protocol information mapped for each service; and transmitting multimedia content corresponding to related services to a receiving side by using the identified protocol.

Abstract: A method for transmitting and receiving an MMT protocol (MMTP) packet by an MPEG media transport (MMT) receiver is disclosed. The method comprises the steps of: by an MMT receiver, establishing a network connection with an MMT transmitter such that an MMTP packet can be transmitted and received; generating a first MMT signaling message; converting the generated first MMT signaling message into a first MMTP packet; transmitting the first MMTP packet by means of the established network connection; receiving a second MMTP packet by means of the established network connection; generating a second MMT signaling message by means of the second MMTP packet; receiving a third MMTP packet; and reconstructing MPU data by means of the third MMTP packet and the second MMT signaling message.

Abstract: A transmitting apparatus is provided.

Abstract: A method for providing a media service list to a user according to an embodiment of the present disclosure comprises the steps of: acquiring location information of at least one media service list; receiving the at least one media service list on the basis of the location information; generating an integrated media service list by integrating the received at least one media service list; and providing the integrated media service list to a user.

Abstract: Disclosed is a method for receiving a data packet by a receiving apparatus in a multimedia system, the method comprising: receiving the data packet; obtaining, from a payload header of the data packet, a fragment indicator including information about fragmentation of a data unit in a payload of the data packet and a fragment counter indicating a number of at least one payload containing at least one fragment of the data unit succeeding the payload; and identifying that at least one number indicated by the fragment counter is to be reused in a case that the fragment indicator includes a value indicating that the payload contains a fragment of the data unit that is neither a first nor a last fragment, and the fragment counter indicates a number indicating that there is no at least one payload containing the at least one fragment of the data unit succeeding the payload, wherein a total number of fragments of the data unit is larger than a maximum number indicated by the fragment counter.

Abstract: According to an embodiment of the disclosure, a method for providing media content comprises the steps of: receiving a change request message for requesting a change of at least a part of specific media data constituting media content; updating a signaling message for the consumption of the media content on the basis of the change request message; and transmitting the updated signaling message to a reception entity.

Abstract: Disclosed are a method and a device for providing content-related information of a multimedia service. The method comprises the steps of: transmitting a signaling message comprising schedule information and delivery type information of a media content to be serviced; receiving, from at least one terminal, at least one report message comprising identification information and transfer type information of the media content; and transmitting an updated signaling message on the basis of the at least one report message received from the at least one terminal receiving the media content.

Abstract: A method for providing a broadcast service is provided. The method includes transmitting a user datagram protocol (UDP)/internet protocol (IP) packet including a first message, the first message containing information about a message to be signed and transmitted, and transmitting a moving picture experts group (MPEG) media transport protocol (MMTP) packet including a second message, the second message containing information about the broadcast service and information indicating whether the information about the broadcast service is signed. The first message includes an identifier of a key used to verify a signature of the message to be transmitted and signed and an identifier of a hash algorithm used to calculate a hash value of the message to be transmitted and signed.

Abstract: An apparatus and a method for transmitting uplink information in a broadcasting system are provided. A repeater of a mobile broadcasting system includes a plurality of transmitting stations each transmitting a broadcast signal for at least one broadcast service, a plurality of terminals receiving the broadcast signal for the at least one broadcast service through at least one transmitting station among the transmitting stations, and the repeater, the repeated being coupled between the plurality of transmitting stations and the plurality of terminals. The repeater includes a receiving unit configured to receive uplink information from the terminals, a control unit configured to classify the received uplink information by broadcast service and to create uplink information per broadcast service, and a transmitting unit configured to transmit the created uplink information to at least one corresponding transmitting station.

Abstract: A transmitting apparatus is provided.

Abstract: A method for providing a multimedia service based on unicast, according to the present invention, comprises the steps of: packetizing multimedia data; when a terminal accesses the multimedia service, determining a mode for transmitting the multimedia data to the terminal; generating a signaling message including information on the determined mode, and transmitting the signaling message to the terminal; and transmitting first data among the packetized multimedia data to the terminal on the basis of the determined mode.

Abstract: A method for transmitting media data according to an embodiment of the present disclosure comprises receiving meta data, converting the meta data into a predetermined format corresponding to a bit stream for media data, incorporating the converted meta data into the bit stream, and transmitting the bit stream incorporating the meta data.

Abstract: The present invention relates to a method of playing back a bitstream for transferring a group of pictures, the method comprising the steps of: parsing, when a random access occurs in a first picture, a network abstraction layer (NAL) unit header of at least one second picture following the first picture and determining a NAL unit type of the at least one second picture; removing the at least one second picture from the bitstream on the basis of the determined NAL unit type; and decoding and displaying the bitstream from which the at least one second picture has been removed.

Abstract: A method for determining a network for receiving, by a user terminal, data for a content service, according to an embodiment of the present disclosure, comprises the steps of: receiving the data from a first network; receiving transmission characteristic information of the data for receiving the data from the first network; obtaining network state information of a second network using information included in a packet header of the data; and determining whether to switch the network for receiving the data from the first network to the second network, on the basis of the transmission characteristic information and the second network information.

Abstract: Disclosed is a method by which a multimedia device processes a multimedia packet. To this end, a multimedia packet, which comprises a header including a type information field having type information recorded therein, and a payload including data of a type indicated by the type information, is received, and, when it is recognized that null data is not included in the payload by the type information, the data included in the payload may be processed.

Abstract: The present invention relates to a device and method for transmitting or receiving media resource identification (MRI) information for managing traffic of a service in a communication system. A method for transmitting information associated with content provision in a communication system according to an embodiment of the present invention comprises the steps of: acquiring content configuration information and transmission scheme information for a content; generating media resource identification information including scheduling information and the transmission scheme information according to each content type on the basis of the content configuration information and the transmission scheme information; and transmitting the media resource identification information.