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Rate adaptation and base station reconfiguration for battery efficient video download

机译：速率适配和基站重新配置，可实现节电的视频下载

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摘要

With increasing usage of mobile devices to watch mobile video, the battery consumption of mobile devices will be dominated by video delivery and playback. In this paper, we develop battery efficient video delivery techniques that vary video transmission rate dynamically depending on battery and buffer levels of the mobile device, the channel conditions experienced, and video quality requirements while maximizing battery life and ensuring user experience. The proposed dynamic video rate adaptation techniques enable the base station to adapt the Multi Input Multi Output (MIMO) transceiver configurations to reduce battery current required by MIMO components on the mobile device. The proposed techniques also make the base station stop video transmission opportunistically, thereby eliminating the battery load imposed by the mobile MIMO components. Experiments conducted under various network conditions for various video download profiles show that more than 50% improvement in battery lifetime is possible in comparison to conventional video download techniques not aware of battery.
机译：随着越来越多地使用移动设备观看移动视频，移动设备的电池消耗将由视频传输和回放控制。在本文中，我们开发了电池高效的视频传输技术，该技术可根据移动设备的电池和缓冲区级别，所经历的信道条件以及视频质量要求动态地改变视频传输速率，同时最大限度地延长电池寿命并确保用户体验。提出的动态视频速率自适应技术使基站能够自适应多输入多输出（MIMO）收发器配置，以减少移动设备上MIMO组件所需的电池电流。所提出的技术还使基站机会性地停止视频传输，从而消除了由移动MIMO组件引起的电池负载。在各种网络条件下针对各种视频下载配置文件进行的实验表明，与不了解电池的传统视频下载技术相比，电池寿命可以提高50％以上。

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