Open Access Journal

ISSN : 2394-6849 (Online)

International Journal of Engineering Research in Electronics and Communication Engineering(IJERECE)

Monthly Journal for Electronics and Communication Engineering

Open Access Journal

International Journal of Engineering Research in Electronics and Communication Engineering(IJERECE)

Monthly Journal for Electronics and Communication Engineering

ISSN : 2394-6849 (Online)

DAWN Algorithm for Cellular Data Usage on the Quality of Service (QOS) Requirements of the Applications

Author : V.Rajanaik 1 B. Neelima 2 A.Rajani 3

Date of Publication :7th March 2016

Abstract: The Wi-Fi offloading with delay-tolerant applications under usage based pricing is the major problem in cellular data usage. We aim to achieve a good tradeoff between the userís payment and its QoS characterized by the file transfer deadline. A general Delay-Aware Wi-Fi Offloading and Network Selection (DAWN) algorithm for a general single-user decision scenario was used. We then analytically establish the sufficient conditions, under which the optimal policy exhibits a threshold structure in terms of both the time and file size. As a result, we propose a monotone DAWN algorithm that approximately solves the general offloading problem, and has a much lower computational complexity comparing to the optimal algorithm. Simulation results show that both the general and monotone DAWN schemes achieve a high probability of completing file transfer under a stringent deadline, and require the lowest payment under a non stringent deadline as compared with three heuristic schemes.

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