Method and apparatus for improving quality of multimedia streaming service

A method for receiving a multimedia streaming service, comprising:

• receiving from a server, by a client, a Media Presentation Description (MPD) including information about media data;
• detecting, by the client, segment information in the received MPD;
• transmitting to the server, by the client, a partial request message requesting a part of media data having a range according to a defined range in the MPD;
• and
• receiving from the server, by the client, a segment having the range in response to the partial request message,
• wherein the segment includes at least one fragment, segment index information including information indicating the position of the at least one fragment in the segment, and fragment index information including information indicating the position of each of a plurality of samples included in the at least one fragment, and wherein the fragment index information includes information about a total size of the samples.

A server apparatus for providing a multimedia streaming service, comprising:

• a Media Presentation Description (MPD) transmitter for transmitting an MPD including information about media data to a client;
• and
• a transceiver for receiving, from the client, a partial request message requesting a part of media data having a range according to a defined range in the MPD, and transmitting to the client a segment having the range in response to the partial request message,
• wherein the segment includes at least one fragment, segment index information including information indicating the position of the at least one fragment in the segment, and fragment index information including information indicating the position of each of a plurality of samples included in the at least one fragment, and wherein the fragment index information includes information about a total size of the samples.

A client apparatus for receiving a multimedia streaming service, comprising:

• a Media Presentation Description (MPD) receiver for receiving, from a server, an MPD including information about media data;
• a data requester for detecting segment information in the received MPD and transmitting to the server a partial request message requesting a part of media data having a range according to a defined range in the MPD;
• and
• a data receiver for receiving, from the server, a segment having the range in response to the partial request message,
• wherein the segment includes at least one fragment, segment index information including information indicating the position of the at least one fragment in the segment, and fragment index information including information indicating the position of each of a plurality of samples included in the at least one fragment, and wherein the fragment index information includes information about a total size of the samples.