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Enhancement of Beaconless Location-Based Routing with Signal Strength Assistance for Ad-Hoc Networks
Guowei CHEN Kenichi ITOH Takuro SATO
IEICE TRANSACTIONS on Communications
Publication Date: 2008/07/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
routing, location-based, beaconless, ad-hoc networks, RSSI,
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Routing in Ad-hoc networks is unreliable due to the mobility of the nodes. Location-based routing protocols, unlike other protocols which rely on flooding, excel in network scalability. Furthermore, new location-based routing protocols, like, e.g. BLR  , IGF , & CBF  have been proposed, with the feature of not requiring beacons in MAC-layer, which improve more in terms of scalability. Such beaconless routing protocols can work efficiently in dense network areas. However, these protocols' algorithms have no ability to avoid from routing into sparse areas. In this article, historical signal strength has been added as a factor into the BLR algorithm, which avoids routing into sparse area, and consequently improves the global routing efficiency.