Abstract
In this paper, we investigate the energy saving problem in mobile ad hoc network, and give out an improved variable-range transmission power control algorithm based on minimum spanning tree algorithm (MST). Using previous work by Gomez and Campbell [1], we show that in consider of node's mobility, the previous variable-range transmission power control based on minimum spanning tree algorithm can not support nodes' mobility in mobile ad hoc network. For this reason, we give out an improved variable-range transmission power control algorithm to support node's mobility and solve asymmetric graph problem. To save more energy without changing the topology of the network, we give out two new data transmission mechanisms based on the idea of cooperative communication. The results of this paper enhance the possibility of using variable-range transmission power control in mobile ad hoc networks.
Highlights
Energy saving problem is a very important issue in wireless ad hoc networks, because the transmission power impacts the connectivity and the traffic capacity of the network
In this paper, we investigate the energy saving problem in mobile ad hoc network, and give out an improved variable-range transmission power control algorithm based on minimum spanning tree algorithm (MST)
We give out some effective solutions to improve previous variable-range control such as improved minimum spanning tree algorithm, adaptive power control mechanism and the “Incremental” of transmission power
Summary
Energy saving problem is a very important issue in wireless ad hoc networks, because the transmission power impacts the connectivity and the traffic capacity of the network. In this paper we give out an improved power control algorithm based on minimum spanning tree to solve these problems and provide the possibility of using variable-range transmission power control in wireless ad hoc networks. We give out two new data transmission mechanisms based on the idea of cooperative communication We prove these two mechanisms can solve the energy saving problem by reducing the transmission time rather than changing node’s transmission power so it can be realized . Mission mechanism (SDCT) and Nearest Data Check Transmission mechanism (NDCT) based on our cooperative communication mechanism in detail to save more energy without changing the topology.
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