LASR: A Load-Aware Source Routing Protocol in a High Load Ad-hoc Network and its Evaluation.

Accession number;03A0163619
Title;LASR: A Load-Aware Source Routing Protocol in a High Load Ad-hoc Network and its Evaluation.
Author; MUNAKA TATSUJI (Mitsubishi Electric Corp., Information Technol. R&D Center, JPN) OBA MAKOTO (Shizuoka Univ., Fac. Information, JPN) OKUDA TAKAHIRO (Shizuoka Univ., Fac. Information, JPN) WATANABE TAKASHI (Shizuoka Univ., Fac. Information, JPN)
Journal Title;IEICE Transactions on Communications (Japanese Edition)
Journal Code:S0622C
ISSN:1344-4697
VOL.J86-B;NO.3;PAGE.322-332(2003)
Figure&Table&Reference;FIG.11, REF.12
Pub. Country;Japan
Language;Japanese
Abstract;Adhoc networks capable of mutually communicating not through basic stations by using other users' portable terminals for relay nodes are focused. As most of the proposed routing protocol were always intended to establish the shortest routes without considering load of mobile nodes,it had a problem unenable to carry out effective communication by centering the load to a specific mobile node only. In this paper, was proposed a routing protocol (LASR) enable to establish a route on response to load of the mobile nodes. When establishing the route, it was judged by comparison of loads of adjacent nodes with their own nodes if the mobile nodes could be the relay nodes of required routes. At high loading, it was refused to become the relay nodes, but it was resultantly enabled by using nodes with comparatively low loads to establish routes by cancelling control messages to establish the routes at that time to avoid flooding, so it was enabled to secure data transfer feature for whole of adhoc networks. As a result of evaluating the proposed method by using simulation, it was confirmed that priority of the proposed method became remarkable together with increase of the node numbers on comparison with that of DSR well-known as on-demand thpe routing protocol, and that packet reaching ratio could be upgraded about 13.5% in maximum, and packet communication delay also could be reduced 85.3% in maximum.
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