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Energy-latency trade-off for multiuser wireless computation offloading
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机译：多用户无线计算卸载的能量延迟权衡
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摘要
This paper addresses the trade-off between latency and energy consumption in wireless application offloading in a multiuser set-up. The advantages of carrying out offloading versus executing an application locally at the user terminaluddepend on multiple parameters. This paper evaluates the impactudthat the transmission rate and the load of the system have on theudquality of service experienced by the users as well as on theudenergy saving that the users get from doing offloading. Based onudthis evaluation, the paper proposes a method to select the uplinkuddata rate that minimizes the latency experienced by the userudgiven a target energy saving with respect to the case of noudoffloading. The result depends on the channels conditions, theudsystem load, the application parameters, and the energyudconsumption features of the terminal. The method is presentedudfirstly for flat fading channels and secondly for non-flat fadingudchannels.
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