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Increasing Channel Occupancy in Large-Scale Mobile Radio Systems: Dynamic Channel REassignment

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2 Author(s)
Cox, D.C. ; Bell Laboratories, Holmdel, NJ, USA ; Reudink, D.O.

Large-scale mobile radio systems using dynamic channel REassignment switch the channels assigned to some of the calls in progress to maintain a nearly optimum separation between coverage areas simultaneously using the same channel. Dynamic channel REassignment produces a significant increase in channel occupancy. For example, in the systems studied, which have a uniform distribution of their fixed channels and were operated against a uniform spatial distribution of offered traffic, the channel occupancy was increased by frac23 over a pure fixed channel assignment system at a blocking rate of one percent. This corresponds to a channel savings of about 40 percent for the same traffic carried at one percent blocking by the hybrid systems that were studied.

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Communications, IEEE Transactions on  (Volume:21 ,  Issue: 11 )