Cross Layer Downlink Packet Scheduling Method based on Application QoE

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  • アプリケーションQoEに基づいた基地局スケジューリング方式の提案

Abstract

Thanks to mobile evolution, a lot of mobile applications are used in mobile networks. Conventional mobile networks allocate radio resources to user terminals using expected throughput of each terminal and fairness between terminals. However, it becomes much more important to assure communication quality for each application under the circumstance that users are using a variety of applications. In this paper, we propose a radio resource scheduling method on a base station considering user-experienced quality (QoE) for each application. We aim at increasing users whose experienced quality is higher than a certain threshold, since users tend to dissatisfy and stop communication when QoE is lower than it. We conducted evaluations assuming that users were watching a video and browsing a Web page while they were moving. Evaluation shows that average QoE for Web improves by up to 1.48 point and the number of users whose QoE is more than 3.0 is 2.1 times more than conventional methods.

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