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- Title
An Efficient Transmission Scheme of MPEG2-TS over RTP for a Hybrid DMB System.
- Authors
Hyung-Yoon Seo; Byungjun Bae; Jong-Deok Kim
- Abstract
Hybrid digital multimedia broadcasting (DMB) is a next-generation mobile TV system that combines broadcasting and wireless communication networks and can provide various high-quality multimedia services. However, if a system adheres to the current standard of transmitting the DMB content in the form of MPEG2-TS through wireless networks, it results in a burden on the network due to low transmission efficiency. The reasons for the low transmission efficiency are as follows. First, due to its constant bitrate characteristic, DMB MPEG2-TS includes a considerable amount of needless information, such as NULL packets and stuffing bytes. Second, due to the inflexibility of the Real-time Transport Protocol (RTP) standard, one cannot fully utilize the maximum transmission unit of the network when converting MPEG2-TS to RTP stream for transmission. This paper proposes a new transmission scheme that resolves these problems. Experiment results show that the proposed scheme improves data bitrate transmission efficiency by 8% to 36%, compared to the standard scheme, in the streaming of various real-DMB contents.
- Subjects
DIGITAL multimedia broadcasting; MOBILE television; WIRELESS communications; IP networks; TRANSPORT protocols (Computer network protocols); STREAMING technology; DATA transmission systems
- Publication
ETRI Journal, 2013, Vol 35, Issue 4, p655
- ISSN
1225-6463
- Publication type
Article
- DOI
10.4218/etrij.13.0112.0124