METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING MULTIMEDIA SERVICE

摘要

According to the present invention, a server for transmitting and receiving messages for a signaling (S) layer in a moving picture experts group media transport (MMT) which includes a first sublayer of the S layer for generating first messages to provide information necessary for the use of MPEG, a second sublayer of the S layer for generating second messages to provide information used for delivering MPEG media, and a delivery (D) layer for performing the external and internal delivery of the first and second messages, wherein each of the first and second messages includes at least one field corresponding to each of the message type, version, length, extension field, and payload. [Reference numerals] (801) Service data providing unit;(803) Package generating unit;(805) Transmission unit