Software & Systems

Articles of journal № 2 at 2013 year.

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61. Power saving algorithm for mobile devices with a wireless self-organizing android Wi-Fi networks (ad-hoc) [№2 за 2013 год]
Author: Окунев Б.В.
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The article considers energy efficient algorithm for mobile devices with self-organizing wireless Wi-Fi net-work (Ad-hoc). It is designed for using in mobile devices based on the operating system (OS) Android. The proposed algo-rithm allows optimizing the interaction of described devices with wireless networks, both from the point of energy saving and automation capabilities of the process. It is achieved by improving the process of finding and connecting to wireless net-works, as well as better use of undocumented features of Android-based smartphones and tablets to interact with ad-hoc net-works. When there is already existing connection to a wireless Wi-Fi network, continuous cyclic scanning other available networks is irrational from the point of energy saving. The primordial features of OS Android determine a one-time connec-tion to a single network. Connecting to ad-hoc network is carried out by specifying a set of static parameters (ip-address, subnet mask, default gateway, etc.) generated by the proposed algorithm designed as a software module. The paper considers one of possible implementations of the proposed algorithm in the Java programming language. Testing of this algorithm was performed on smartphones HTC Sensation and Samsung Galaxy S based on OS Android (2.2–4.1.1). The software module based on the proposed algorithm can be used by developers of network software for solving a wide range of problems con-nected to mobile devices interaction and wireless Wi-Fi networks.

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