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Power Management for Portable Devices by using Clutter Based Information


Muhammad. A, Mazliham M.S, Shahrulniza. M


Vol. 9  No. 4  pp. 237-244


Power management of portable devices is one of the major issues in the field of wireless communication. As the battery power is limited in portable devices, therefore it is required to manage the battery power in a way that it last longer. This research paper is focusing on the power management on the location estimation based history. The derived algorithm is divided into two parts; first: while the device is located in a single terrain only and secondly: when the device is falling at the intersection of two or more terrains. Location of the handheld device is used as a parameter for cluster calculation. At first the location estimation is done by triangulation method, an algorithm is derived which is getting information from Google earth about the terrain. Based on that knowledge by considering the Signal to Noise Ratio (SNR) and the phenomenon of reflection, diffraction and scattering it is decided that how much power will be required by the portable device to communicate with the tower. Calculation of the location is based on the Available Signal Strength (ASS) and the Receive Signal Strength (RSS). In this research, we are considering GSM architecture and the cell phone is operating as a portable device. In the last part of the algorithm, while the device is not participating in the communication it is directed to change its state from the active mode to a park mode, so the device will save the battery power. Proposed technique falls in the Dynamic Power Management (DPM) category as it is dealing with the battery power during run time.


SNR, DPM, Clutters, Tx, Rx