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Improving QoS in High-Speed Mobility Using Bandwidth Maps
April 2012 (vol. 11 no. 4)
pp. 603-617
ASCII Text
x 
 
Jun Yao, Salil S. Kanhere, Mahbub Hassan, "Improving QoS in High-Speed Mobility Using Bandwidth Maps," IEEE Transactions on Mobile Computing, vol. 11, no. 4, pp. 603-617, April, 2012.
 
 
BibTex
x
 
@article{ 10.1109/TMC.2011.97,
author = {Jun Yao and Salil S. Kanhere and Mahbub Hassan},
title = {Improving QoS in High-Speed Mobility Using Bandwidth Maps},
journal ={IEEE Transactions on Mobile Computing},
volume = {11},
number = {4},
issn = {1536-1233},
year = {2012},
pages = {603-617},
doi = {http://doi.ieeecomputersociety.org/10.1109/TMC.2011.97},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - JOUR
JO - IEEE Transactions on Mobile Computing
TI - Improving QoS in High-Speed Mobility Using Bandwidth Maps
IS - 4
SN - 1536-1233
SP603
EP617
EPD - 603-617
A1 - Jun Yao,
A1 - Salil S. Kanhere,
A1 - Mahbub Hassan,
PY - 2012
KW - Location-dependent and sensitive
KW - mobile computing
KW - mobile environments
KW - mobile communication systems.
VL - 11
JA - IEEE Transactions on Mobile Computing
ER -
 
Jun Yao, The University of New South Wales, Sydney
Salil S. Kanhere, The University of New South Wales, Sydney
Mahbub Hassan, The University of New South Wales, Sydney
It is widely evidenced that location has a significant influence on the actual bandwidth that can be expected from Wireless Wide Area Networks (WWANs), e.g., 3G. Because a fast-moving vehicle continuously changes its location, vehicular mobile computing is confronted with the possibility of significant variations in available network bandwidth. While it is difficult for providers to eliminate bandwidth disparity over a large service area, it may be possible to map network bandwidth to the road network through repeated measurements. In this paper, we report results of an extensive measurement campaign to demonstrate the viability of such bandwidth maps. We show how bandwidth maps can be interfaced with adaptive multimedia servers and the emerging vehicular communication systems that use on-board mobile routers to deliver Internet services to the passengers. Using simulation experiments driven by our measurement data, we quantify the improvement in Quality of Service (QoS) that can be achieved by taking advantage of the geographical knowledge of bandwidth provided by the bandwidth maps. We find that our approach reduces the frequency of disruptions in perceived QoS for both audio and video applications in high-speed vehicular mobility by several orders of magnitude.

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Index Terms:
Location-dependent and sensitive, mobile computing, mobile environments, mobile communication systems.
Citation:
Jun Yao, Salil S. Kanhere, Mahbub Hassan, "Improving QoS in High-Speed Mobility Using Bandwidth Maps," IEEE Transactions on Mobile Computing, vol. 11, no. 4, pp. 603-617, April 2012, doi:10.1109/TMC.2011.97
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