Dynamic Power Management Method Considering VBR Video Traffic in Wi-Fi Direct 


Vol. 40,  No. 11, pp. 2218-2229, Nov.  2015


PDF
  Abstract

Recently Wi-Fi Alliance defined Wi-Fi direct, which can communicate through a direct connection between the mobile device anytime, anywhere. In Wi-Fi direct, all devices are categorized by group of owner (GO) and client. Since portability is emphasized in Wi-Fi direct devices, it is essential to control the energy consumption of a device very efficiently. In order to avoid unnecessary power consumed by GO, Wi-Fi direct standard defines two power management schemes: Opportunistic power saving scheme and Notice Of Absence (NOA) scheme. But, these two schemes do not consider the traffic pattern, so we cannot expect high energy efficiency. In this paper, we suggest an algorithm to enhance the energy efficiency of Wi-Fi direct power saving, considering the characteristics of multimedia video traffic. Proposed algorithm utilizes the statistical distribution for the size of video frames and adjusts the length of awake interval dynamically. Also, considering the inter-dependency among video frames, the proposed algorithm assigns priorities to video frames and ensures that a video frame with high priority is transmitted with higher probability than other frames with low priority. Simulation results shows that the proposed method outperforms the traditional NOA in terms with average delay and energy efficiency.

  Statistics
Cumulative Counts from November, 2022
Multiple requests among the same browser session are counted as one view. If you mouse over a chart, the values of data points will be shown.


  Cite this article

[IEEE Style]

M. Jin, J. Jung, J. Lee, "Dynamic Power Management Method Considering VBR Video Traffic in Wi-Fi Direct," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 11, pp. 2218-2229, 2015. DOI: .

[ACM Style]

Mei-Hua Jin, Ji-Young Jung, and Jung-Ryun Lee. 2015. Dynamic Power Management Method Considering VBR Video Traffic in Wi-Fi Direct. The Journal of Korean Institute of Communications and Information Sciences, 40, 11, (2015), 2218-2229. DOI: .

[KICS Style]

Mei-Hua Jin, Ji-Young Jung, Jung-Ryun Lee, "Dynamic Power Management Method Considering VBR Video Traffic in Wi-Fi Direct," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 11, pp. 2218-2229, 11. 2015.

Search
(IN TITLE, AUTHOR, ABSTRACT,KEYWORDS)

Advanced Search ▼

POPULAR KEYWORDS
(TOP 10 KEYWORDS)

Recent Publications
(LAST 3 YEARS)






pISSN : 1226 - 4717
eISSN : 2287 - 3880