NDLI: Mobile ad hoc networks powered by energy harvesting: Battery-level dynamics and spatial throughput

Content Provider	IEEE Xplore Digital Library
Author	Kaibin Huang
Copyright Year	2013
Description	Author affiliation: Hong Kong Polytech. Univ., Hong Kong, China (Kaibin Huang)
Abstract	Wireless networks can be self sustaining by harvesting energy from ambient sources such as kinetic activities or electromagnetic radiation. In this paper, the spatial throughput of a mobile ad hoc network powered by energy harvesting is analyzed using a stochastic-geometry model where transmitters are Poisson distributed and powered by randomly arriving energy and each transmitter transmits with fixed power to an intended receiver under an outage constraint. We assume that harvested energy is stored in batteries with large capacity. The probability that a transmitter transmits, called transmission probability, is proved using the random-walk theory to be equal to one if the energy-arrival rate is larger than transmission power or otherwise equal to their ratio. This result and the stochastic-geometry theory are applied to maximize the network throughput by optimizing transmission power for a given energy-arrival rate. The maximum network throughput is shown to be proportional to the optimal transmission probability that is equal to one if the transmitter density is below a given function of the energy-arrival rate; otherwise the probability is smaller than one as derived. Moreover, the maximum network throughput is also obtained for the extreme cases of high energy-arrival rates or sparse/dense transmitters.
Starting Page	3121
Ending Page	3125
File Size	571578
Page Count	5
File Format	PDF
ISBN	9781467331227
ISSN	15503607
DOI	10.1109/ICC.2013.6655022
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-09
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Transmitters Energy harvesting Interference Batteries Mobile ad hoc networks Receivers
Content Type	Text
Resource Type	Article

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