Modeling mobility and workload for wireless metropolitan area networks
Computer Communications
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Currently, we see the evolution of large scale communityand metropolitan area networks based on inexpensivewireless local area network technology. We presentthe results of an experimental analysis which investigatesthe potential of quality of service routing mechanismswithin this challenging environment. Ourinvestigation is based on a model of a radio access networkdesigned to cover a large city center by means ofdecentralized and distributed routers, which are tightlymeshed. The workload is modeled to reflect the estimatedusage patterns based on statistical data collection of usermobility and combined with synthetic traffic matrices.We present results for various routing strategies includingshortest path routing, delay constrained routing aswell as various multipath quality of service routing variants.Moreover, we investigate different traffic distributions.Our findings are, that multipath routing is able toenhance the utility of the network significantly.