An Economic User-Centric WiFi Offloading Algorithm for Heterogeneous Network

Jinfeng Kou, Yang Xiao and Dong Wang

Mathematical Problems in Engineering, 2015, vol. 2015, 1-10

Abstract:

An economic user-centric WiFi offloading algorithm is proposed to satisfy the major concerns of wireless users, who wish to have better network performance with even less network expense. Thus in this paper both system throughput and network expense are considered, and the goal of the proposed offloading algorithm is to obtain an optimal offloading ratio, which can both maximize the system throughput and minimize the network expense. Firstly, a practical system model is set up on the basis of a typical scenario of heterogeneous network. In this model, the average throughput of both cellular network and WiFi network is analyzed carefully. Then an economic user-centric WiFi offloading algorithm is proposed with an evaluation function to evaluate the system, and the optimal offloading ratio can be obtained by minimizing the evaluation function. At last, numerical results represent a direct calculating process of the optimal offloading ratio. These results in return validate the efficiency of the proposed offloading algorithm as well.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:341292

DOI: 10.1155/2015/341292

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