Abstract
Energy saving becomes one of the most important design considerations in the WBAN applications, and the power consumption is required to be strictly controlled. However, traditional WSN route protocols can't solve this very well. In this paper, we propose the cross-layer route which integrates adaptive sleep technology and DSR protocol with dynamic physical level power control scheme to meet the harsh requirements by reducing the power consumption of each sensor node. We developed a mathematical model of the send power control and analyzed the total battery energy consumption to forward a symbol. The experimental results on NS-2 platform indicate that the network life span and data package re-send rate of the improved DSR is better than the traditional one, and better fits the energy requirements of WBAN scenario.
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