## 1. Quadrature multiplexing is

## 2. A communication channel with AWGN operating at a signal to noise ratio SNR >> 1 and bandwidth 6 has capacity C_{1}. If the SNR is doubled keeping B constant, the resulting capacity C_{2} is given by

_{1}. If the SNR is doubled keeping B constant, the resulting capacity C

_{2}is given by

## 3. To obtain the transfer function of a convolutional code, the splitting of all-zero state takes place into . . . . . . . .

1. Starting state

2. First return to all-zero state

3. In-between state

1. Starting state

2. First return to all-zero state

3. In-between state

## 4. Which decoding method involves the evaluation by means of Fano Algorithm?

## 5. Which among the following compression techniques is/are intended for still images?

## 6. Lempel-Ziv algorithm is

## 7. If the errors are corrected at . . . . . . . . end/s, it is known as 'Forward Error Correction' (FEC).

## 8. d_{free} is defined as the Euclidean distance of coded signal in terms of . . . . . . . . possible distance between all allowed sequences.

_{free}is defined as the Euclidean distance of coded signal in terms of . . . . . . . . possible distance between all allowed sequences.

## 9. The event with minimum probability has least number of bits.

## 10. For the generation of a cyclic code, the generator polynomial should be the factor of . . . . . . . .

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