Decentralized Channel Management in Scalable Multihop Spread-Spectrum Packet Radio Networks (1995)
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BibTeX
@MISC{Shepard95decentralizedchannel,
author = {Timothy Jason Shepard},
title = {Decentralized Channel Management in Scalable Multihop Spread-Spectrum Packet Radio Networks},
year = {1995}
}
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Abstract
This thesis addresses the problems of managing the transmissions of stations in a spread-spectrum packet radio network so that the system can remain effective when scaled to millions of nodes concentrated in a metropolitan area. The principal difficulty in scaling a system of packet radio stations is interference from other stations in the system. Interference comes both from nearby stations and from distant stations. Each nearby interfering station is a particular problem, because a signal received from it may be as strong as or stronger than the desired signal from some other station. Far-off interfering stations are not individually a problem, since each of their signals will be weaker, but the combined effect may be the dominant source of interference. The thesis begins with an analysis of propagation and interference models. The overall noise level in the system (mainly caused by the many distant stations) is then analyzed, and found to remain manageable even as the system scales ...
