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A Link-Connectivity-Prediction-Based Location-Aided Routing Protocol for Hybrid Wired-Wireless Networks

A hybrid wired-wireless network comprises a fixed wired backbone network interconnecting wireless ad hoc networks. In such environments with promising potential commercial applications, efficient routing is critical to achieve good performance. Previous research in such hybrid network environment has not taken advantage of research on routing which exploits location information. In this paper, we propose a Link-Connectivity-PredictionBased Location-Aided Routing (LLR) protocol specially designed for this hybrid network environment. We also propose a gateway discovery algorithm to help build K-hop subnets around gateways, which is fundamental to the proposed routing protocol. The efficiency of our protocol is verified using simulations.