I am analyzing the throughput of 802.15.4 for heterogeneous traffic. My simulation (in ns2) gives higher throughput than the results from my analytical modeling.
sure you can. this might be a factor of the capacity limitations in the analytical model, or might be a route choice query in the simulation model. Alternatively, there might be a small factoring value to your demand feeding into the simulation.
Analytical models os complex systems tend to be a limited appraisal of real operating conditions, whereas simulation can (partly) overcome such limitations
Im affraid not, unless your analytical model was limited in the number of variables to consider and their interrelashionships.
Since I work with airports, my perspective can be a limited one, for I was never able to see a analytical model that provided a better operational description of airport operations than a simulation one. Of course large airports can be considered complex systems requiring a large number of interrelated variables. Bt, of course, this can be a limited perspective of mine.
Since I work with airports, my perspective can be a limited one, for I was never able to see a analytical model that provided a better operational description of airport operations than a simulation one. Of course large airports can be considered complex systems requiring a large number of interrelated variables. Bt, of course, this can be a limited perspective of mine.
Results of any model, analytical or simulation, depend on the 'assumptions' made which are only a simplified version of the real world.
In practice, in many cases the observed throughput are higher than both analytical and simulation model results.
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