Quadrature multiplexing is
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ECE · all questionsInformation Theory And Coding
Information Theory And Coding
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A communication channel with AWGN operating at a signal to noise ratio SNR >> 1 and bandwidth 6 has capacity C1. If the SNR is doubled keeping B constant, the resulting capacity C2 is given by
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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
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Which decoding method involves the evaluation by means of Fano Algorithm?
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Which among the following compression techniques is/are intended for still images?
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Lempel-Ziv algorithm is
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If the errors are corrected at . . . . . . . . end/s, it is known as 'Forward Error Correction' (FEC).
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dfree is defined as the Euclidean distance of coded signal in terms of . . . . . . . . possible distance between all allowed sequences.
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The event with minimum probability has least number of bits.
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For the generation of a cyclic code, the generator polynomial should be the factor of . . . . . . . .
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For a (6, 4) block code where n = 6, k = 4 and dmin = 3, how many errors can be corrected by this code?
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Decoding of RS code comprises the determination of error . . . . . . . .
1. Position
2. Magnitude
3. Angle
4. Frequency
1. Position
2. Magnitude
3. Angle
4. Frequency
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If a noiseless channel bandlimited to 5 kHz is sampled every 1msec, what will be the value of sampling frequency?
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When the base of the logarithm is 2, then the unit of measure of information is
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Consider the assertions related to decoding process of cyclic code. Which among the following is a correct sequence of steps necessary for the correction of errors?
1. Syndrome determination after the division of r(x) & g(x)
2. Addition of error pattern to received code word
3. Selection of error pattern corresponding to the syndrome
4. Preparation of table comprising error patterns and syndromes
1. Syndrome determination after the division of r(x) & g(x)
2. Addition of error pattern to received code word
3. Selection of error pattern corresponding to the syndrome
4. Preparation of table comprising error patterns and syndromes
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In RS code, the length is . . . . . . . . less than number of symbols in symbol set (q).
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BCH codes exhibit the multiple error correcting capability with the provision of selecting . . . . . . . .
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Information rate basically gives an idea about the generated information per . . . . . . . . by source.
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On which factor/s do/does the error probability depend/s after decoding?
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What is the value of leading coefficient of a monic polynomial?
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