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Impact of power control on capacity of large scale Wireless Mesh Networks

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2 Author(s)
Pathak, P.H. ; Dept. of Comput. Sci., North Carolina State Univ., Raleigh, NC, USA ; Dutta, R.

Wireless mesh networks (WMNs) have emerged as low-cost alternative for broadband access networks in metropolitan area. In this paper, we revisit power control as a network layer problem in design of WMNs. Specifically, we show that increasing power levels of nodes in WMNs actually results into throughput improvements in node-to-gateway traffic pattern. It is proven that WMNs can achieve per node throughput of O(1/¿n) where ¿ is factor dependent on hop-radius of the network, which in turn is reliant on power control. Also, it is shown that in case of multiple gateways, increasing power levels of nodes is more cost-effective because it results into increased throughput with fewer number of gateways.

Published in:

Advanced Networks and Telecommunication Systems (ANTS), 2009 IEEE 3rd International Symposium on

Date of Conference:

14-16 Dec. 2009