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= Problem 4. A certain digital communication system is required to transmit information at 10 Mbps. The input noise level is No 10-11 W/Hz. It is desired to have P₁ = 10-6. Find the carrier power that is needed to be delivered to the decoder (or demodulator) for QPSK modulation.

= Problem 4. A certain digital communication system is required to transmit information at 10 Mbps. The input noise level is No 10-11 W/Hz. It is desired to have P₁ = 10-6. Find the carrier power that is needed to be delivered to the decoder (or demodulator) for QPSK modulation.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Problem 4. A certain digital communication system is required to transmit information at 10 Mbps. The input noise level is No 10-11 W/Hz. It = is desired to have P = 10-6. Find the carrier power that is needed to be delivered to the decoder (or demodulator) for QPSK modulation.
Transcribed Image Text:Problem 4. A certain digital communication system is required to transmit information at 10 Mbps. The input noise level is No 10-11 W/Hz. It = is desired to have P = 10-6. Find the carrier power that is needed to be delivered to the decoder (or demodulator) for QPSK modulation.
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Digital Modulation Scheme (Amplitude-Shift Keying [ASK], Phase-Shift Keying [PSK], Frequency-Shift Keying [FSK])
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