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There is a lack of high-speed and low-cost wireless network at sea to meet the increasing need of maritime users. With this observation, we have envisaged a WiMAX mesh network for high-speed ship- to-ship/shore communications. Analysis of interference range in such maritime WiMAX mesh networks is presented in this paper. And based on the findings, scheduling transmission of MAC control messages and...
It is well-known that throughput of wired multi-hop, multi-commodity networks can be maximized by employing back-pressure scheduling. With this approach, packets belonging to different destinations are dynamically routed/scheduled in a network based on buffer occupancies and link quality. There has been a considerable amount of research on applying back-pressure scheduling in the wireless environment;...
The vehicle routing problem (VRP) is one of the most challenging combinatorial optimization task. This problem consists in designing the optimal set of routes for fleet of vehicles in order to serve a given set of customers. Almost all the research papers of VRPs focus on minimizing the sum of travel distance (travel time). However, vehicle managers are also interested in the vehicle routing schedules...
A cross layer approach is important for designing multi-hop wireless network routing protocols. In this paper, we maximize the path reliability by proper scheduling of transmissions at link layer over different paths. In our scheme, each node involved in the routing maintains two paths towards the destination. When forwarding a packet, the transmissions at link layer are optimally scheduled by considering...
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