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We combine location information and mobility feedback to create an innovative mobile ad hoc network (MANET) routing protocol which we demonstrate is effective over a wide range of mobility conditions typical in a MANET. We use link duration as our mobility feedback metric, and we demonstrate that mobility feedback using link duration effectively enables adaptive MANET protocols. Using our mobility feedback agent, we develop a hybrid MANET routing protocol which adapts between two MANET routing protocols in order to combine the strengths of both component protocols while avoiding their weaknesses. Our hybrid, adaptive protocol achieves data packet delivery ratios above 80% in VERY demanding network mobility conditions (i.e. link durations less than 4 seconds). In more stable networks (i.e., link durations more than 15 seconds), our protocol achieves data packet delivery ratios above 90%. While other existing MANET routing protocols can achieve similar data packet delivery ratios in stable networks, no other existing MANET routing protocol can achieve such high performance in unstable networks.
Date of Conference: 2004