一道有关WCDM链路损耗，断点模型的计算题

Establish the WCDM link budget for the uplink of 64 kbit/s data rate channel in a vehicular (fast
moving) environment, with soft handover. Compute the results assuming the following values:
The MA stramnsmit power is 21dBm, antenna gain at BS and MS is 18 and −3 dB, respectively,
and extra loss through the car is 8 dB. The BS noise figure is 5 dB, interference margin is 3 dB,
required Eb/N0 is 3.4 dB, cable loss at BS is 2 dB, shadowing fading margin is 7.2 dB, no fast
fading margin is required.
For the path loss, assume a simple breakpoint model with dbreak = 100 m, n = 2 for d < dbreak,
and n = 4 for d >dbreak. What is the range that can be achieved?

已思考，无奈基础知识不牢固，望各位大神给出见解。