Content delivery with spatial caching scheme in mobile wireless networks

Authors:
Backhyun Kim;Iksoo Kim
Affiliations:
Department of Information and Telecommunication Engineering, Univ. of Incheon, Incheon, Korea;Department of Information and Telecommunication Engineering, Univ. of Incheon, Incheon, Korea
Venue:
ICCSA'06 Proceedings of the 2006 international conference on Computational Science and Its Applications - Volume Part IV
Year:
2006

Citing 5
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Abstract

Future wireless/mobile system will be served streaming service to support various applications. In this environment, users can access all the required information whenever and wherever they may be. In this paper, we proposed a new scheme that minimizes the network bandwidth consumption and the service blocking rate in mobile network. Our proposed scheme consists of location estimation and caching strategy. To estimate node's current location, we use hexagonal cellular based plane and cascading dynamic address scheme which make mobile equipments, mobile router (MR) and mobile node (MN), calculate the distance from sender and estimate the existence possibility of the alternative route toward sender. The service blocking can be minimized by using caching strategy. In evaluation, we examined our proposed scheme in the view of the total network bandwidth consumption and the connecting probability as well as the impact of each cache capacity. From simulation results, we confirm that the proposed scheme offers substantially better performance.