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http://dx.doi.org/10.6109/jkiice.2016.20.10.1873

Distributed Transmit Power Control Algorithm Based on Flocking Model for Energy-Efficient Cellular Networks  

Choi, Hyun-Ho (Department of Electrical, Electronic and Control Engineering, Institute for Information Technology Convergence, Hankyong National University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.20, no.10, 2016 , pp. 1873-1880 More about this Journal
Abstract
Most of the energy used to operate a cellular network is consumed by a base station (BS), and reducing the transmission power of a BS is required for energy-efficient cellular networks. In this paper, a distributed transmit power control (TPC) algorithm is proposed based on the flocking model to improve the energy efficiency of a cellular network. Just as each bird in a flock attempts to match its velocity with the average velocity of adjacent birds, in the proposed algorithm each mobile station (MS) in a cell matches its rate with the average rate of the co-channel MSs in adjacent cells by controlling the transmit power of its serving BS. Simulation results show that the proposed TPC algorithm follows the same convergence properties as the flocking model and also effectively reduces the power consumption at the BSs while maintaining a low outage probability as the inter-cell interference increases. Consequently, it significantly improves the energy efficiency of a cellular network.
Keywords
Transmit power control; Flocking model; Energy efficiency; Energy-efficient cellular networks;
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Times Cited By KSCI : 1  (Citation Analysis)
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