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               channel and a good estimation of the capacity in such a channel. Readers who are inter­
               ested in this topic should read the reference.33


          2.19    Summary
               In this chapter, we have selected only those macrocell prediction models that are widely
               used by the industry. Some of these models are simple and some are complicated. In
               general, we can categorize on the basis of the different approaches of prediction into
               three kinds of models: physical, empirical, and statistical. Physical models are not prac­
               tical to use in macrocell prediction because manipulating the model in coverage areas is
               complex. Statistical and empirical models are commonly used. For planning purposes,
               there are three different models: area-to-area, point-to-area, and point-to-point models.
               When exploring an area for a cellular system, the area-to-area model or point-to-area
               model is enough to get the information we are looking for. However, if deploying a cel­
               lular system in an area, then the point-to-point model is more adequate. Two point-to­
               point models will be introduced in Chap. 3: the Lee model and the Longley-Rice model.
                  We also include the on-body model in this chapter to give readers an overall picture
               of predicting the outcome from a cellular system, not only the radio path from the base
               station to the receiver but also the received signal affected by the human body.


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