NDLI: Optimum transmit range and capacity of mobile infostation networks

Content Provider	ACM Digital Library
Author	Yates, Roy D. Yuen, Wing Ho
Abstract	A mobile infostation network stipulates all transmissions to occur when nodes are in proximity. In this paper, the effect of transmit range on the capacity of four transmission strategies is studied. We show that a stipulated transmit range improves the capacity relative to the reference strategy with an unconstrained transmit range. This indicates an optimal trade-off exists between spatial transmission concurrency and spectral efficiency on individual links. The optimal number of neighbors is invariant to node density, and is between 0.6 to 1.2 for our transmission strategies. This result should be contrasted to a magic number of 6 to 8 neighbors for multihop networks, where the expected forward progress per hop is maximized. This reflects the different optimization criteria of mobile infostation and multihop ad hoc networks. In addition, the capacity per unit area increases linearly with node density. This is counter-intuitive but can be explained using a rescaling argument drawn from percolation theory.
Starting Page	45
Ending Page	47
Page Count	3
File Format	PDF
ISSN	15591662 19311222
DOI	10.1145/961268.961285
Journal	ACM SIGMOBILE Mobile Computing and Communications Review (MOCO)
Volume Number	7
Issue Number	3
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2007-07-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article

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Optimum transmit range and capacity of mobile infostation networks