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Consider a mobile phone system cell using a frequency of 900 MHz providing coverage to a urban environment like the Oakland area of Pittsburgh.

need help with these 2 questions

1. Consider a mobile phone system cell using a frequency of 900 MHz providing coverage to a urban environment like the Oakland area of Pittsburgh. The height of the receiver is 2 meters and the cell site antenna is 34 meters tall. The mobile terminal receivers have a sensitivity of -90 dBm. Using the Okumura-Hata propagation model determine what power level the base station must operate at to have a cell coverage radius of 1.6 km.

 2. If you apply that fading margin to the mobile phone system in Problem 1, at what power level must the base station operate? 

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