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http://dx.doi.org/10.12815/kits.2012.11.2.092

Distributed Transmit Power Control for Optimal End-to-End Throughput in Wireless Multihop Networks  

Choi, Hyun-Ho (국립한경대학교 전기전자제어공학과)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.11, no.2, 2012 , pp. 92-101 More about this Journal
Abstract
In this paper, we propose a distributed transmit power control algorithm for optimal end-to-end throughput in wireless multihop networks. Considering a solidarity property of link rates consisting of a multihop link and the fact that the multihop end-to-end throughput is determined by the minimum link rate, the proposed scheme controls the transmit power to make all link rates be equal and so maximizes the end-to-end throughput of multihop link. In addition, in the proposed scheme the transmit node calculates its transmit power autonomously in a distributed manner just through the information sharing with its neighbor nodes and so decreases the information sharing overhead. Simulation results show that the proposed scheme achieves significant improvements in terms of end-to-end throughput and power consumption compared with the conventional maximum equal power allocation scheme.
Keywords
Transmit power control; Distributed algorithm; Throughput optimization; Multihop network; ad hoc network;
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