Q. Biorthogonal codes needs ________ bandwidth as orthogonal codes.

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Q. Transorthogonal code is obtained by

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Q. Which code requires minimum Eb/N0?

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Q. Structured sequences are

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Q. In binary symmetric channel, in the demodulator _____ decision is made.

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Q. In Gaussian channel demodulator ______ decision is made.

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Q. Which decoders are less complex?

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Q. The ratio of redundant bits to data bits is called as

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Q. If the parity bit takes value one then the summation of code-word gives

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Q. The summation operation is performed using _____ logical operation.

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Q. The probability of message error is written as

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Q. In a real time communication system addition of redundant bits leads to

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Q. Coding gain is defined as

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Q. The capacity per cell is ______ Eb/N0.

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Q. Hamming distance can be given by the number of elements in which

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Q. Code strength is characterized by its

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Q. The distance between two code-words is equal to the _____ of the third code-word which is the sum of the first two code-words.

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Q. Error detecting capability is given as

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Q. The minimum distance Dmin can also be given as

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Q. The number of errors that can be corrected without erasure information is

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