Power consumption analysis of constant bit rate video transmission over 3G networks

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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This paper presents an analysis of the power consumption of video data transmission with constant bit rate over 3G mobile wireless networks. The work includes the description of the radio resource control transition state machine in 3G networks, followed by a detailed power consumption analysis and measurements of the radio link power consumption. Based on this description and analysis, we propose our power consumption model. The power model was evaluated on a smartphone Nokia N900, which follows 3GPP Release 5 and 6 supporting HSDPA/HSUPA data bearers. We also propose a method for parameter selection for the 3GPP transition state machine that allows to decrease power consumption on a mobile device taking signaling traffic, buffer size and latency restrictions into account. Furthermore, we discuss the gain in power consumption vs. PSNR for transmitted video and show the possibility of performing power consumption management based on the requirements for the video quality.
Original languageEnglish
JournalComputer Communications
Publication date2012
Volume35
Issue14
Pages1695-1706
ISSN0140-3664
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 2

Keywords

  • 3G, Video transmission, Constant bit rate, Power consumption modeling, Power saving
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