Abstract: Disclosed is a method for uplink power control in a communication system that includes determining a power control offset for controlling power for traffic to be transmitted by a subscriber station, according to whether a Hybrid Automatic Repeat reQuest (HARQ) is applied to the traffic, and transmitting the power control offset to the subscriber station.

Abstract: A method and an apparatus for transmitting a multimedia data packet are provided. The method includes generating Media Abstraction Layer (MAL) information for abstracting information on the multimedia data to be transmitted, generating a multimedia data packet including said MAL information, and transmitting the generated multimedia data packet to a network entity.

Abstract: A server for transmitting and receiving messages for a Signaling (S) layer in a Moving Picture Experts Group (MPEG) Media Transport (MMT) is provided. The server includes a first sub-layer of the S layer for producing first messages to provide information used for the use of MPEG a second sub-layer of the S layer for producing second messages to provide information used for delivering MPEG media, and a Delivery (D) layer for making external and internal deliveries of the first and the second messages, wherein each of the first and the second messages includes at least one field corresponding to each of the message type, version, length, extension field and payload.

Abstract: A method for generating a packet of transmitting apparatus is provided. The method includes: setting a value of a Deleted Null Packet (DNP) counter to zero; increasing the value for each deleted null packet preceding a non-null transport stream (TS) packet; and generating a packet comprising a header and a payload, wherein the header includes a DNP field, the payload includes the non-null TS packet, and the value of the DNP counter is used to set the DNP field.

Abstract: The present invention relates to a device and method for transmitting/receiving a packet in a communication system. The present invention includes: the processes of determining at least one MPEG media transport (MMT) asset protected by an application layer forward error correction (AL-FEC); determining at least one FEC flow for transmitting the at least one MMT asset; determining the MMT asset transmitted from the at least one FEC flow in each case and determining an FEC coding structure to apply to the at least one FEC flow; producing at least one source flow by dividing the MMT asset transmitted from the at least one FEC flow on a transmission unit basis; and producing and transmitting at least one parity flow by performing AL-FEC encoding on the at least one source flow according to the FEC coding structure.

Abstract: The present invention relates to a method of processing an object for an ancillary service associated with a broadcast service. A broadcast receiver establishes a session with surrounding sub device before an object execution time and transfers an object to the sub device with reference to a trigger or an EPG including object-related information when it becomes the object execution time. The sub device executes the object. According to the present invention, a user can use a broadcast service through the broadcast receiver, and an ancillary service associated with the broadcast service through a sub device such as a smart phone or a tablet.

Abstract: A method for protecting personal information in Audience Measurement (AM) of a digital broadcasting system is provided, including inserting an indicator, which notifies whether a consumption pattern of a service or content provided by a service provider can be measured, into a service guide, to which the information of the service or content is provided by a service provider; and determining whether the AM can be executed for the service or content in accordance with the indicator when the AM function is implemented in a terminal.

Abstract: Methods and apparatus are provided for providing a content service of a control device. A first request related to a content service is received. First information for a location corresponding to the first request and second information for a session corresponding to the first request are acquired based on the first request.

Abstract: A method and an apparatus for synchronizing media data and auxiliary data received by a service through a broadcast network or a communication network in a multimedia broadcast service are provided. The method includes receiving regular media data provided for a broadcast service, receiving and storing control information regarding adjunct media data comprising auxiliary data regarding the regular media data, determining location information of the adjunct media data included in the control information, and receiving and storing the adjunct media data according to the location information. If an identifier of the adjunct media data is included in a header of the regular media data, reading the stored adjunct media data corresponding to the identifier of the adjunct media data, and executing the adjunct media data in synchronization with the regular media data according to synchronization information included in the header.

Abstract: A method for transmitting scene composition information from an apparatus therefor in a multimedia communication system is provided. The method includes generating scene composition information comprising media attributes information and temporal information, and transmitting the scene composition information, wherein the media attributes information and temporal information is separated into different formats.

Abstract: A method for transmitting scene composition information from an apparatus therefor in a multimedia communication system is provided. The method includes generating scene composition information comprising media attributes information and temporal information, and transmitting the scene composition information, wherein the media attributes information and temporal information is separated into different formats.

Abstract: A method and an apparatus for transmitting data in a multimedia transmission system are provided. The method includes receiving, from an encapsulation function layer, a second data unit having one or more first data units, configuring payload header information, the payload header information including a payload type and configuration information, by analyzing header information of the second data unit, configuring one or more payloads from the second data unit based on sizes of the one or more first data units, configuring a multimedia data packet by combining payload header information corresponding to each of the one or more payloads, and transmitting the multimedia data packet to a counterpart entity. Each of the one or more payload includes at least one payload element, the type of which is selected from among a first type, a second type, a third type, a fourth type, and a fifth type.

Abstract: A method for transmitting complex multimedia data is provided. The method includes selecting one of a data headers composed of basic transmission units determined according to an amount of multimedia included in the complex multimedia data, generating a basic transmission unit of the complex multimedia data according to the selected data header, packetizing the complex multimedia data in the basic transmission unit; and transmitting the packetized complex multimedia data to a receiver.

Abstract: A method for transmitting complex multimedia data is provided. The method includes selecting one of a data headers composed of basic transmission units determined according to an amount of multimedia included in the complex multimedia data, generating a basic transmission unit of the complex multimedia data according to the selected data header, packetizing the complex multimedia data in the basic transmission unit; and transmitting the packetized complex multimedia data to a receiver.

Abstract: A system and method are provided for generating a Short Term Key Message (STKM) for protection of a broadcast service being broadcasted to a terminal in a mobile broadcast system. The method includes transmitting, by a Broadcast Service Subscription Management (BSM) for managing subscription information, at least one key information for authentication of the broadcast service to a Broadcast Service Distribution/Adaptation (BSD/A) for transmitting the broadcast service, generating, by the BSD/A, a Traffic Encryption Key (TEK) for deciphering of the broadcast service in the terminal and inserting the TEK into a partially created STKM, and performing, by the BSD/A, Message Authentication Code (MAC) processing on the TEK-inserted STKM using the at least one key information, thereby generating a completed STKM.

Abstract: A method for transmitting scene composition information from an apparatus therefor in a multimedia communication system is provided. The method includes generating scene composition information comprising media attributes information and temporal information, and transmitting the scene composition information, wherein the media attributes information and temporal information is separated into different formats.

Abstract: A method and apparatus for transmitting a notification about broadcasting services in a broadcasting system are provided. A method of a network entity includes detecting a notification event about a broadcasting service, the notification event including a change of a service guide of the broadcasting service; generating a notification message about the notification event; determining which channel is used for a transmission of the notification message; and transmitting the notification message to a terminal or a group of terminals over the determined channel. The channel used for the transmission of the notification message is determined based on whether the notification message is transmitted over a broadcast channel of a broadcast network or over an interaction channel of an interaction network. The service guide is generated based on service guide related information provided by a service provider of the broadcasting service.

Abstract: Methods and apparatus are provided for selecting a Content Delivery Network (CDN) for Internet Protocol (IP)-based services. A service request message is received from a user. The service request message includes user location information. The CDN is selected in accordance with the user location information. The service request message is transmitted to the CDN for connection of a corresponding delivery function module of the CDN to the user.

Abstract: A method and system for providing a content service such as an Internet Protocol Television (IPTV) using multiple devices are provided. A method, in which a gateway provides a content service using multiple devices, includes sending a service request to a service provider, receiving required list information from the service provider receiving the service request, the required list information indicating a list of devices required for a requested service, acquiring performance information of accessible devices on the basis of the required list information, receiving content with a service level corresponding to the acquired performance information from the service provider, and distributing the received content to the accessible devices to be used for the content service.

Abstract: A method and apparatus is provided for providing a mobile advertising service in a mobile advertising system, and for sharing a preference to deliver a personalized advertisement requested by a particular group member to other users. In a method for providing a mobile advertising service by a server of a mobile advertising system, a group creation request message including a user list and a group user preference is received from an advertising engine, a group is created according to the user list and the group user preference in the group creation request message, a response message to the group creation request message is sent to the advertising engine, an advertisement request message is received from one of advertising engines included in the user list, an advertisement appropriate for the group user preference is selected, and the selected advertisement is delivered to at least one advertising engine included in the user list. The at least one advertising engine is included in the same group.