NDLI: Distributed transmit power control for maximizing end-to-end throughput in wireless multi-hop networks

Content Provider	IEEE Xplore Digital Library
Author	Hyun-Ho Choi Jung-Ryun Lee
Copyright Year	2012
Description	Author affiliation: School of the Electrical Engineering, Chung-Ang University, Republic of Korea (Jung-Ryun Lee) \|\| Dept. of Electrical, Electronic and Control Engineering, Hankyong National University, Republic of Korea (Hyun-Ho Choi)
Abstract	Wireless multi-hop network has a solidarity property in which each link consisting of the multi-hop interferes mutually and so the increase of one link's rate results in the decrease of the other links' rate. In the multi-hop link, the end-to-end throughput between source and destination is restricted by the lowest link rate, so the max-min fair allocation on the link rates is an optimal strategy to maximize the end-to-end throughput. In this paper, we verify that if the wireless links have a solidarity property, the max-min fair allocation has all link rates equal, so we propose a transmit power control (TPC) algorithm that decides the transmit power of multi-hop nodes to make all link rates be equal. The proposed algorithm operates in a distributed manner where each node averages the recognized link rates around itself, allocates its transmit power to achieve this average rate, and iterates this operation until all link rates become equal. Intensive simulation shows that the proposed TPC algorithm enables all link rates to converge on the same value and so maximizes the multi-hop end-to-end throughput while decreasing the power consumption of multi-hop nodes.
Starting Page	74
Ending Page	79
File Size	410057
Page Count	6
File Format	PDF
ISBN	9781467313773
ISSN	21658528
e-ISBN	9781467313780
e-ISBN	9781467313766
DOI	10.1109/ICUFN.2012.6261667
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-04
Publisher Place	Thailand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Wireless sensor networks throughput maximization Power control Transmit power control Interference Spread spectrum communication distributed power control Throughput Ad hoc networks multi-hop network
Content Type	Text
Resource Type	Article

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