Radio over Fiber Networks Synthesis Using Meta-Heuristic BCO
2013
Radio access network over fiber (RoF) technology combines both wireless and fiber-optic technology. The advantages of this technology are low attenuation, bigger network bandwidth, easy installation and management, reduced power consumption, multiservice, dynamic allocation of resources. There are many methods of designing optical and wire-less networks. Since RoF combines these technologies, the design tasks are a complex problem. Therefore there is a need for a new design method for RoF technology. The main problem in designing DWDM transport networks is the wavelength assignment of light paths. If the network topology has a great need to use heuristic methods there is one way to solve this problem: use of the BCO-RWA algorithm. Meta-based heuristic algorithm BCO-RWA contains the modeling of the beha-vior of bees collecting nectar. The main advantage of this algorithm is low computational complexity. However, BCO-RWA has the following disadvantage: during the calculation of route selection probability, base algorithm does not take into account the nonlinear four-wave mixing phenomenon. In this paper we present new method to design RoF network and modification of BCO-RWA algorithm.
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