Q. GMSK is a ________ of MSK.

View solution

Q. Which of the following holds true for GMSK?

View solution

Q. MSK has complex demodulation and synchronization circuits.

View solution

Q. Which of the following is a combined linear and constant envelope technique?

View solution

Q. In an M-ary signalling scheme two or more bits are grouped together to form a _______

View solution

Q. The number of possible signal in M-ary signalling is given by M and M = __________ where n is an integer.

View solution

Q. M-ary signalling techniques are not sensitive to timing jitters.

View solution

Q. M-ary modulation schemes have very good power efficiency.

View solution

Q. In M-ary PSK, the carrier ___________ takes one of M possible values.

View solution

Q. The constellation of M-ary PSK is ____________ dimensional.

View solution

Q. What is the radius of the circle in M-ary PSK on which message points are equaly spaced?

View solution

Q. As the value of M _________ the bandwidth efficiency ________

View solution

Q. The power efficiency of the M ary PSK decreases because of the _____

View solution

Q. In QAM, the amplitude is _______ and phase is _______

View solution

Q. M-ary QAM signal have constant energy per symbol.

View solution

Q. In comparison to M-ary PSK, M-ary QAM bandwidth efficiency is _____ and power efficiency is ________

View solution

Q. The bandwidth efficiency of an M-ary FSK signal ________ with ________ in M.

View solution

Q. Power efficiency of M-ary FSK increases, since _________

View solution

Q. The transmission bandwidth of spread spectrum techniques is equal to the minimum required signal bandwidth.

View solution

Q. Why spread spectrum technique is inefficient for a single user?

View solution