1. The bit period, T, usec. 25 The symbol period, T = usec. Transmission bandwidth, Вт kHz.

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4.
The bit energy, Eg
µJ.
5.
The symbol energy, E =
HJ.
Hint: Use the Q-function tables.
Transcribed Image Text:4. The bit energy, Eg µJ. 5. The symbol energy, E = HJ. Hint: Use the Q-function tables.
Consider a digital communication
system with the following parameters:
• Carrier frequency f. = 40 kHz
• Required data rate
15 kbps.
-3
• Required BER, 3 × 10¬³,
• Noise PSD, No = 8µW/Hz.
If QPSK is used, find the following:
1.
The bit period, T,
usec.
25
The symbol period, T =
usec.
Transmission bandwidth,
Вт
kHz.
Transcribed Image Text:Consider a digital communication system with the following parameters: • Carrier frequency f. = 40 kHz • Required data rate 15 kbps. -3 • Required BER, 3 × 10¬³, • Noise PSD, No = 8µW/Hz. If QPSK is used, find the following: 1. The bit period, T, usec. 25 The symbol period, T = usec. Transmission bandwidth, Вт kHz.
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