Video streaming over cognitive radio networks

Azin Dastpak, Jiangchuan Liu, Mohamed Hefeeda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Citations (Scopus)

Abstract

We propose a framework for video transmission over cognitive radio networks. Our objective is to determine the optimal streaming policy, optimal enhancement layer bit rate of each frame, in order to maximize the overall perceived video quality while keeping quality fluctuation at minimum. In our framework we introduce a channel usage pattern model based on the two-state Markov model and estimate the future busy and idle duration of spectrum based on past observations. On the basis of this scheme, we formulate the streaming optimization problem under the constraint of the available bandwidth budget so that the optimal number of enhancement layer bits are assigned to each frame. We extend this algorithm for three different optimization levels: frame, GOP and scene. We evaluate our algorithm through extensive trace-driven simulation, and show it improves the received video quality and increases bandwidth utilization.

Original languageEnglish
Title of host publicationMoVid'12 - Proceedings of the 4th Workshop on Mobile Video
Pages31-36
Number of pages6
DOIs
Publication statusPublished - 26 Mar 2012
Externally publishedYes
Event4th Workshop on Mobile Video, MoVid'12 - Chapel Hill, NC, United States
Duration: 24 Feb 201224 Feb 2012

Other

Other4th Workshop on Mobile Video, MoVid'12
CountryUnited States
CityChapel Hill, NC
Period24/2/1224/2/12

Fingerprint

Video streaming
Cognitive radio
Bandwidth

ASJC Scopus subject areas

  • Computer Networks and Communications

Cite this

Dastpak, A., Liu, J., & Hefeeda, M. (2012). Video streaming over cognitive radio networks. In MoVid'12 - Proceedings of the 4th Workshop on Mobile Video (pp. 31-36) https://doi.org/10.1145/2151677.2151685

Video streaming over cognitive radio networks. / Dastpak, Azin; Liu, Jiangchuan; Hefeeda, Mohamed.

MoVid'12 - Proceedings of the 4th Workshop on Mobile Video. 2012. p. 31-36.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dastpak, A, Liu, J & Hefeeda, M 2012, Video streaming over cognitive radio networks. in MoVid'12 - Proceedings of the 4th Workshop on Mobile Video. pp. 31-36, 4th Workshop on Mobile Video, MoVid'12, Chapel Hill, NC, United States, 24/2/12. https://doi.org/10.1145/2151677.2151685
Dastpak A, Liu J, Hefeeda M. Video streaming over cognitive radio networks. In MoVid'12 - Proceedings of the 4th Workshop on Mobile Video. 2012. p. 31-36 https://doi.org/10.1145/2151677.2151685
Dastpak, Azin ; Liu, Jiangchuan ; Hefeeda, Mohamed. / Video streaming over cognitive radio networks. MoVid'12 - Proceedings of the 4th Workshop on Mobile Video. 2012. pp. 31-36
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