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21
In a GSM system, 8 channels can co-exist in 200 kHz bandwidth using TDMA. A GSM based cellular operator is allocated 5 MHz bandwidth. Assuming a frequency reuse factor of $$\frac{1}{5},$$  i.e. a five-cell repeat pattern, the maximum number of simultaneous channels that can exist in one cell is
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Answer: Option B
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22
In decoding of cyclic code, which among the following is also regarded as 'Syndrome Polynomial'?
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Answer: Option D
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23
Which among the following error detecting technique is supposed to be parity bit associated with character code?
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Answer: Option B
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24
When X and Y are statistically independent, then I (x, y) is
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Answer: Option B
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25
Let U and V be two independent and identically distributed random variables such that $$P\left( {U = + 1} \right) = P\left( {U = - 1} \right) = \frac{1}{2}.$$      The entropy H(U + V) in bits is
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Answer: Option C
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26
While representing the convolutional code by (n, k, m), what does 'm' signify or represent in it?
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Answer: Option C
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27
Which coding terminology deals with the inverse operation of assigned words of second language corresponding to the words in the first language?
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Answer: Option B
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28
When probability of error during transmission is 0.5, it indicates that
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Answer: Option C
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29
H.261 is
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Answer: Option A
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30
Which among the following is/are the essential condition/s for a good error control coding technique?
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Answer: Option D
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