Communication Systems - Engineering

Q1:

Consider the following differences between QPSK and MSK
  1. The side lobes in MSK are relatively much smaller in comparison to the main lobe
  2. The spectrum of MSK has a main centre lobe which is 1.5 times as wide as the main lobe of QPSK
  3. The waveforms of both MSK and QPSK exhibit phase continuity
Which of the above statements are correct?

A 1 only

B 1 and 2 only

C 1, 2 and 3

D 2 and 3 only

ANS:B - 1 and 2 only

No answer description is available.