Part I: Preparing a Simple Ray Tracing Software Using MATLAB a) If the transmitted power is 1mW, derive an expression for calculation of P., the free space received signal strength in Im distance from the transmitter, as a function of frequency of operation, f. b) Calculates the path length associated to each of the seven paths from the geometrical relations shown in Figure 1. c) Calculate the path amplitude, phase and delay for each path from i - th path phasor a; =a; Po Ao d; d ; Po a; : Reflection Coefficient di d; P. =2xd / 2 C c : Speed of light Figure 2: Phasor diagram to calculate magnitude, delay and phase of a path of length d