Derive the formulas for the optimum powers

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The squared magnitude response of a linear channel, denoted by |H(f)|2, is shown in Figure P8.14. Assuming that the gap and the noise variance for all subchannels, do the following:

a. Derive the formulas for the optimum powers P₁, P₂, and P₃, allocated to the three subchannels of frequency bands (0, W₁), (W₁, W₂), and (W₂, W).

b. Given that the total transmit power P = 10, l1 = 2/3, and l2 = 1/3, calculate the corresponding values of P₁, P₂, and P₃

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Reference no: EM131282658

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