A Distributed Correlative Power Control Scheme for Mobile Ad hoc Networks using Prediction Filters

Transmission power control (TPC) in a Mobile Ad hoc network (MANET) environment reduces the total energy consumed in packet delivery and/or enhances network throughput by increasing the channel's spatial reuse. In this paper, a distributed correlative power control scheme using prediction filters (Kalman or extended Kalman) is proposed. The prediction filter is used to estimate the forthcoming interference. Both the transmitter and receiver in MANET environment make use of predicted interference to assign correlative power values to their associated ensued packets to guarantee the success of the IEEE 802.11 four-way handshaking communication (RTS/CTS/DATA/ACK). Simulation results for different topologies are used to demonstrate the significant throughput and energy gains that can be obtained by the proposed power control scheme.

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