ISRO Electronics & Communication (ECE) 2009 - Question 41

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Topic: Electronics Engineering

The advantage of $\pi/4$ QPSK compared to conventional QPSK is?

  • A. $\pi/4$ QPSK requires less bandwidth compared to conventional QPSK
  • B. $\pi/4$ QPSK produces lower envelope variation compared to conventional QPSK
  • C. $\pi/4$ QPSK receiver design is simple compared to conventional QPSK
  • D. There is no advantage

Answer: A. $\pi/4$ QPSK requires less bandwidth compared to conventional QPSK

Explanation: Detailed standard solution.

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