A Power Saving Method for Tablet Based Online Social Network with Adaptive Firewall
Date Issued
2012
Date
2012
Author(s)
Lan, Chien-Wei
Abstract
Due to the explosive market development of smartphone and tablet PC in recent years, the requirements of mobile devices also grow up rapidly. Both high speed computing CPUs and large size screen cost higher power consumption. In order to use the battery more efficiently, power consumption of mobile devices has become a popular research issue.
Nowadays, the applications and web browsing of online social networks is one of the most popular internet services. With long wireless connection intervals, the data transmissions in background can consume a great amount of energy. In this thesis, we propose an efficient power saving mechanism for those mobile devices supporting such online social network applications.
Mobile devices have been designed to connect to Internet via wireless access networks such as Wi-Fi or UMTS/HSDPA for most of the usage. In our thesis, we will analyze the power consumption characteristics of transmissions over different wireless access networks and capture the packet transmissions of online social network applications. By analyzing the packet transmissions in idle mode, the redundant packet transmissions are found to be the major part of total power consumption. To reduce the redundant packet transmissions, we propose to use a so call Adaptive Firewall, which can save the energy efficiently. The power saving mechanism in this thesis can be implemented in Wi-Fi AP or mobile devices. With the results of measurement and analytical model, we discover that the power saving mechanism can save more energy for those applications with higher power consumptions and also extend the active time of mobile devices at the same time
Subjects
Social Network
smartphone
tablet PC
firewall
Type
thesis
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