Correction of the urban mobile propagation loss formula for residential areas on hilly and/or slope terrain, especially within 1km distance from a base station becomes one of the important issues in radio link and cell layout designs. This paper introduces an example of correction formula for the slope terrain area based on an experimental study of mobile path loss prediction. The result shows the path loss at the objective point can be estimated by the urban mobile path loss and the correction value according to the factor expressed by the elevation angle from the base station antenna top.
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