NDLI: Throughput and Energy Efficiency in Wireless Ad Hoc Networks with Gaussian Channels

Content Provider	IEEE Xplore Digital Library
Author	Hanan Shpungin Zongpeng Li
Copyright Year	2010
Abstract	This paper studies the problem of topology control in random wireless ad hoc networks through power assignment for n nodes uniformly distributed in a unit square. We require that the network is strongly connected and look to maximize the minimum throughput (or capacity) link in the case that all the nodes transmit simultaneously. According to the Gaussian channel model, the throughput of a wireless link (u,v) is B\log(1+S/N) bps, where B is the channel bandwidth and S/N is the signal to noise ratio. We distinguish between two types of power assignments: homogeneous (all nodes have the same power level) and heterogeneous (nodes may have different power levels) cases. For the homogeneous case we give lower and upper bounds on the minimum capacity link. In the heterogeneous case we develop an energy efficient power assignment algorithm which achieves a minimum throughput of \Omega(B\log(1+1/\sqrt{n}\log^2 n)) and also discuss how to implement this algorithm in a distributed fashion. Finally, we present some simulation results. To the best of our knowledge, these are the first provable bounds for capacity in wireless networks, when nodes are allowed to transmit simultaneously.
Starting Page	1
Ending Page	9
File Size	223353
Page Count	9
File Format	PDF
ISBN	9781424471508
e-ISBN	9781424471515
DOI	10.1109/SECON.2010.5508258
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-21
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Energy efficiency Mobile ad hoc networks Gaussian channels Network topology Peer to peer computing Wireless networks Signal to noise ratio Computer science Electronic mail
Content Type	Text
Resource Type	Article

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