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Study on an Enhanced Link-Stability based Routing Scheme for Mobile Ad hoc Networks

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2 Author(s)
Wen-Fong Wang ; Dept. of Electron. Eng., Nat. Yunlin Univ. of Sci. & Technol. ; Po-Hun Shih

In a mobile ad hoc network, each node can move arbitrarily such that its network topology may change frequently. This mobility factor may incur link failure during data packet transmission. The SSA routing protocol can get longer lived routes for ad hoc networks by using a route selection criteria based on signal strength and location stability. It indeed reduces route reconstruction that is caused by the link failure, and thus increases network throughput and decreases overhead. However, SSA is only suitable to the condition of high node density and low mobility, which is the most stable situation for ad hoc networks, due to the route selection strategy in its control algorithm. To compensate SSA for its weakness in the condition of high node density and high mobility and the condition of low node density and low mobility, we proposed an enhanced scheme named as SSA+. In this paper, we will describe the mechanisms of SSA+ and conduct several simulation experiments to verify and evaluate the performance of our scheme with respect to SSA. Simulation results show that SSA+ can effectively reduce the route reconstructions needed in all conditions

Published in:

Sensor and Ad Hoc Communications and Networks, 2006. SECON '06. 2006 3rd Annual IEEE Communications Society on  (Volume:3 )

Date of Conference:

28-28 Sept. 2006

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