Journal Title : International Journal of Modern Trends in Engineering and Science
Volume 03 Issue 06 2016
ISSN no: 2348-3121
Page no: 27-30
Abstract – The collision problem in the WSNs is a critical issue. When the multiple sensor nodes try to transmit more number of packets simultaneously, the collision occurs in the WSNs. We propose STAIRS, a time and energy efficient collision resolution mechanism for wireless sensor networks. The design of STAIRS includes the Received Signal Strength Indicator (RSSI) value of multiple collidingsignals with different packet lengths which exhibits a stairs-like pattern. We use an online change point detection algorithm with high detection accuracy.The simulation experiments demonstrate STAIRS achieves more collision resolution ability with respect to time and energy efficiency compared with existing approaches.
Keywords— STAIRS; RSSI; WSN’s
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