NDLI: Exploiting multihop diversity through efficient localized searching with CDMA and route metric-based power control

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Exploiting multihop diversity through efficient localized searching with CDMA and route metric-based power control

Content Provider	ACM Digital Library
Author	Bohacek, Stephan Kim, Jonghyun
Abstract	Wireless links a subject to large deviations in quality. While such deviations may result in the failure of routes, it also means that some routes may be substantially better than others. In order to utilize these routes, the routing protocol must find these good routes. This paper presents a method for locally searching for routes. Specifically, through passive overhearing of data packets, nodes determine which control packets they should forward. Furthermore, nodes use CDMA with route metric-based power control in order to allow multiple nodes to transmit simultaneously and yet ensure that the control packets advertising the best routes are received. Packet level simulations indicate that these techniques result in significantly better packet delivery ratio, lower delay, and far fewer route failures. For example, in one scenario examined, it was found that the techniques presented resulted in 90% of the connections not requiring any route search after the initial route was found, whereas the other protocols were forced to perform between 4 and 25 route searches for each connection.
Starting Page	155
Ending Page	164
Page Count	10
File Format	PDF
ISBN	1595934774
DOI	10.1145/1164717.1164746
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2006-10-07
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Multihop wireless networks Diversity Cdma
Content Type	Text
Resource Type	Article

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