5) (10 points) A single cell CDMA system with W = 5 MHz bandwidth and white...

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5) (10 points) A single cell CDMA system with W = 5 MHz bandwidth and white noise power spectral density, No 10-2 W/Hz has 5 users. = User 1 with h = = 10. = = 10. 10-4 transmits at r User 2 with h = 5 10-5 transmits at r2 User 3 with h3 = 8 10-6 transmits at r3 User 4 with h4 = 10-6 transmits at r 40 Kbps and needs an SINR of 1 40 Kbps and needs an SINR of 2 = 20 Kbps and needs an SINR of 3 = 10. 10 Kbps and needs an SINR of 4 = = 8. = User 5 with h5 = 10-8 transmits at r5 5 Kbps and needs an SINR of 5 = 5. = Determine the transmit powers, P, P2, P3, P4 and P5 for users 1, 2, 3, 4 and 5, respectively, that satisfy their signal quality (i.e., signal-to-interference-noise ratio (SINR)) requirements. [Remark: Do not just provide the final solutions. Show the expression you used for each case.] 5) (10 points) A single cell CDMA system with W = 5 MHz bandwidth and white noise power spectral density, No 10-2 W/Hz has 5 users. = User 1 with h = = 10. = = 10. 10-4 transmits at r User 2 with h = 5 10-5 transmits at r2 User 3 with h3 = 8 10-6 transmits at r3 User 4 with h4 = 10-6 transmits at r 40 Kbps and needs an SINR of 1 40 Kbps and needs an SINR of 2 = 20 Kbps and needs an SINR of 3 = 10. 10 Kbps and needs an SINR of 4 = = 8. = User 5 with h5 = 10-8 transmits at r5 5 Kbps and needs an SINR of 5 = 5. = Determine the transmit powers, P, P2, P3, P4 and P5 for users 1, 2, 3, 4 and 5, respectively, that satisfy their signal quality (i.e., signal-to-interference-noise ratio (SINR)) requirements. [Remark: Do not just provide the final solutions. Show the expression you used for each case.]