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Energy-Aware Mobile Learning:Opportunities and Challenges

机译：节能移动学习：机遇与挑战

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摘要

As mobile devices are becoming more powerful and affordable they are increasingly used for mobile learning activities. By enabling learners' access to educational content anywhere and anytime, mobile learning has both the potential to provide online learners with new opportunities, and to reach less privileged categories of learners that lack access to traditional e-learning services. Among the many challenges with mobile learning, the battery-powered nature of mobile devices and in particular their limited battery life, stands out as one issue that can significantly limit learners' access to educational content while on the move. Adaptation and personalisation solutions have widely been considered for overcoming the differences between learners and between the characteristics of their mobile devices. However, while various energy saving solutions have been proposed in order to provide mobile users with extended device usage time, the areas of adaptive mobile learning and energy conservation in wireless communications failed to meet under the same umbrella. This paper bridges the two areas by presenting an overview of adaptive mobile learning systems as well as how these can be extended to make them energy-aware. Furthermore, the paper surveys various approaches for energy measurement, modelling and adaptation, three major aspects that have to be considered in order to deploy energy-aware mobile learning systems. Discussions on the applicability and limitations of these approaches for mobile learning are also provided.
机译：随着移动设备变得越来越强大和负担得起，它们越来越多地用于移动学习活动。通过使学习者可以随时随地访问教育内容，移动学习既有可能为在线学习者提供新的机会，又可以吸引那些无法获得传统电子学习服务的学习者特权级别较低的学习者。在移动学习面临的众多挑战中，移动设备的电池供电特性（尤其是其有限的电池寿命）突出成为一个问题，它可能会严重限制学习者在旅途中对教育内容的访问。适应和个性化解决方案已被广泛考虑以克服学习者之间及其移动设备特性之间的差异。然而，尽管已经提出了各种节能解决方案以向移动用户提供延长的设备使用时间，但是无线通信中的自适应移动学习和节能领域在同一保护伞下未能满足。本文通过提供自适应移动学习系统的概述以及如何扩展它们以使其具有能源意识，在这两个领域之间架起了桥梁。此外，本文还对能源测量，建模和适应的各种方法进行了调查，这是部署能源感知型移动学习系统必须考虑的三个主要方面。还讨论了这些方法在移动学习中的适用性和局限性。

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