Abstract
We describe a pointing, acquisition, and tracking (PAT) technique and efficient heuristic algorithms for autonomous physical and logical reconfiguration (Topology Control) in a free space optical communication network. First, we show a GPS-based pointing technique to steer the local directional laser beam of an optical transceiver to a target optical transceiver at a remote node, where the pointing accuracy is in the milliradian range. Second, we present fast heuristics for the congestion minimization problem and a multiobjective optimization problem (jointly minimizing the two objectives of physical network cost and congestion) for a bi-connected ring network topology. Finally, we present a GPS-based autonomous reconfiguration scenario for mobile nodes, which combines the PAT technique and heuristic algorithms.
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Shim, Y., Gabriel, S., Milner, S., Davis, C. (2008). Topology Control in a Free Space Optical Network. In: Raghavan, S., Golden, B., Wasil, E. (eds) Telecommunications Modeling, Policy, and Technology. Operations Research/Computer Science Interfaces, vol 44. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-77780-1_14
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DOI: https://doi.org/10.1007/978-0-387-77780-1_14
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