EAST: Energy Efficient Adaptive Scheme for Transmission in Wireless Sensor Networks
M. Tahir, N. Javaid, Z. A. Khan, U. Qasim, M. Ishfaq

TL;DR
EAST is an energy-efficient transmission scheme for wireless sensor networks that adapts power based on temperature-induced link quality changes, reducing overhead and energy use while maintaining reliable communication.
Contribution
The paper introduces EAST, a novel temperature-aware adaptive transmission scheme compliant with IEEE 802.15.4, combining open-loop and closed-loop methods to optimize power control in WSNs.
Findings
EAST reduces control packet overhead compared to classical single-region approaches.
EAST effectively adapts transmission power to temperature-induced link quality variations.
Simulation results demonstrate energy savings and improved link reliability.
Abstract
In this paper, we propose Energy-efficient Adaptive Scheme for Transmission (EAST) in WSNs. EAST is IEEE 802.15.4 standard compliant. In this approach, open-loop is used for temperature-aware link quality estimation and compensation. Whereas, closed-loop feedback helps to divide network into three logical regions to minimize overhead of control packets on basis of Threshold transmitter power loss (RSSIloss) for each region and current number of neighbor nodes that help to adapt transmit power according to link quality changes due to temperature variation. Simulation results show that propose scheme; EAST effectively adapts transmission power to changing link quality with less control packets overhead and energy consumption compared to classical approach with single region in which maximum transmitter power assigned to compensate temperature variation.
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