Throughput Based Power Consumption Protocol in Wireless MANET

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Navdeep Saluja
Chanpreet Chhabra


Power conservation is a major issue in wireless Mobile Ad Hoc Networks (MANET), as most of the nodes are battery powered. Power control is not related to any particular layer, since we can apply power conservation methods in all layers. But most of the power control mechanisms are working in MAC layer. In this paper we designed a Power Control MAC protocol for wireless MANET. Our first aim is to control the overall power consumption and the second was improve the throughput of the network. Thus our protocol includes two phases; in the first phase we reduce the power consumption and in the second phase we improve the aggregate throughput of the network. Our work is based on the IEEE 802.11 MAC protocol. We added an additional field to the RTS (Request To Send) and CTS (Clear To Send) control packets (PRTS in RTS packet to indicate the power used to send RTS packet and PData in the CTS packet to indicate the power with which sender can send DATA packet) for the design purpose. For reducing the power consumption we used the following method: We send the RTS packet with maximum or default power. Our results show the improvement in spatial reusability increases the aggregate throughput of the network.


Keywords: Wireless MANET, Power Consumption Protocol, MAC Protocol.


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