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An Energy-Efficient Ad-hoc Routing Protocol Based on DSDV  

Seong Jin-Kyu (LG전자 Mobile Handset R&D Center)
Lee Won-Joo (두원공과대학 인터넷프로그래밍과)
Jeon Chang-Ho (한양대학교 전자컴퓨터공학부)
Abstract
If a node stops functioning in an ad-hoc wireless network, routing paths involving the node will also fail, when construction of replacement routes is required. A major cause of node failure is energy exhaustion, and route replacements may in turn lead to successive node failures by making more nodes consume their energy. The result could be performance degradation of networks. Therefore it is important to ensure that nodes with limited remaining energy are not included in route construction from the beginning. In this paper we propose a new routing protocol, which takes residue energy of nodes into account in order to prevent node failures resulting from energy shortage. Our routing protocol examines the smallest value of node residue energy ($E_{m}$) from each of all possible routing paths and selects the path which has the largest value of $E_{m}$. We prove, through simulation, that our routing protocol extends the lifetime of nodes which have limited amount of energy, reducing chances of path replacement. It is also shown that our proposed protocol helps alleviate network performance degradation.
Keywords
Ad-hoc; DSDV; paDSDV; Residue Energy; Lifetime Extension;
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