Q. QPSK amplitude modulates

View solution

Q. QAM is a combination of

View solution

Q. Which refers to the presence of error correction coding scheme?

View solution

Q. The system will be more bandwidth efficient as WTb decreases.

View solution

Q. In MPSK, R/W

View solution

Q. In MFSK, R/W

View solution

Q. Which modulation is selected for power limited system?

View solution

Q. The transmission rate is given as

View solution

Q. Code’s redundancy is given as

View solution

Q. For more than two quantization level, _______ is used.

View solution

Q. How can the throughput of the system be increased?

View solution

Q. In which technique spot beam antennas are used to point the radio signals in different directions?

View solution

Q. In polarization division technique ______ polarization is used.

View solution

Q. Channelization characterized by orthogonal spectra is called as

View solution

Q. In double side band spectrum which side-band is called as inverted side-band?

View solution

Q. The mixing and filtering of DSB removes

View solution

Q. The super group is made up of

View solution

Q. The orbital period of communication satellites is _______ as that of earth’s rotational period.

View solution

Q. Adding improvement to the signal subset choice by starting with the densest possible lattice for the space is called as

View solution

Q. Choosing a closely packed signal subset from any regular lattice or array of candidate points is called as

View solution