4.7 Article

A Novel Joint Mobile Cache and Power Management Scheme for Energy-Efficient Mobile Augmented Reality Service in Mobile Edge Computing

期刊

IEEE WIRELESS COMMUNICATIONS LETTERS
卷 10, 期 5, 页码 1061-1065

出版社

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LWC.2021.3057114

关键词

Object detection; Servers; Energy consumption; Batteries; Wireless communication; Computational modeling; Analytical models; Augmented reality; energy efficiency; mobile edge computing; object detection; cache management

资金

  1. IT Research and Development Program of Ministry of Science and ICT (MSIT, A Development for Intellectualized Edge Networking Based on AI) [2018-0-01502]
  2. Gachon University Research Fund of 2020 [GCU-202002520001]

向作者/读者索取更多资源

In this study, a novel joint mobile cache and power management scheme is proposed for energy-efficient mobile augmented reality services in mobile edge computing. Analytical models for energy consumption and service latency of an MAR device are derived, and a theoretical framework is designed to optimize mobile cache size and transmission power while guaranteeing required service latency. Numerical experiments evaluate the performance of the proposed scheme and provide insights on optimizing MEC-assisted MAR services with a mobile cache.
In this letter, we propose a novel joint mobile cache and power management scheme for energy-efficient mobile augmented reality (MAR) services in mobile edge computing (MEC). For this purpose, depending on whether the cache is hit or not, analytical models for 1) the energy consumption of an MAR device (MD) and 2) the service latency for the MAR are derived and investigated. Considering a tradeoff between energy and service latency in terms of the cache size in MAR with MEC, we design a theoretical framework for the mobile cache management of the MD to optimize the mobile cache size as well as transmission power while guaranteeing the required service latency. From the numerical experiments, we evaluate the performance of the proposed scheme and demonstrate insights regarding the optimization of the performance of MEC-assisted MAR services with a mobile cache.

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