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Error Sensitivity Analysis of DMB Video Streams
Blekinge Institute of Technology, School of Computing.
Blekinge Institute of Technology, School of Computing.
2013 (English)Conference paper, (Refereed)
Abstract [en]

In this paper, we examine the sensitivity of digital multimedia broadcasting (DMB) streams on transmissions errors that are typically induced by a wireless channel. In particular, DMB data is broadcasted using the MPEG-2 transport stream (TS) format. In order to find the sensitivity of different parts of a TS packet on channel errors, each TS packet is divided into 4 parts with equal lengths of 48 bytes, except the last part which is 44 bytes long. Bit errors have been introduced into these different parts of the TS packets. The sensitivity of these DMB videos on the errors and their locations is computed in terms of the following measures: 1) Number of decodable frames which indicates temporal quality; 2) Spatial quality of the resulting videos. The structural similarity (SSIM) index is used as an objective perceptual quality metric to quantify the spatial quality while the well-known fidelity metric mean-squared-error (MSE) is used to quantify the spatial distortions in these erroneous videos. Simulations have been performed on 7 different DMB videos using different bit error rates. The results show that the first part of a TS packet is highly sensitive to bit errors compared to the other 3 parts, both in terms of spatial and temporal video quality. Further, the sensitivity level goes down as we go from Part 1 to Part 4 of the DMB TS packets. The error sensitivity analysis reported in this paper will help designing better transmission systems for future digital multimedia broadcasting and other similar services. Particularly, the insights gained from this study will support designing better error control mechanisms that, among other factors, also take into consideration the sensitivity of different parts of the associated video streams.

Place, publisher, year, edition, pages
Danang, Vietnam: Duy Tan University Press , 2013.
Keyword [en]
Error Sensitivity, Digital Multimedia Broadcasting, Video Streams
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:bth-6848Local ID: oai:bth.se:forskinfo226ADFF4647F0E6EC1257C2E005CE189OAI: oai:DiVA.org:bth-6848DiVA: diva2:834396
Conference
National Conference on ICT
Available from: 2013-11-29 Created: 2013-11-25 Last updated: 2017-03-16Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf