Q. In trellis diagram, the number of nodes ______ at successive branching.

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Q. Example for convolution encoder state diagram is

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Q. In maximum likelihood decoding technique, the likelihood function compares the

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Q. In maximum likelihood detector the error probability is

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Q. For a binary code, the maximum number of possible sequence made up of L branch words is

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Q. If the quantization level of a demodulator output is ________ then it is called as soft decision decoding.

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Q. Soft decision decoding requires

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Q. A binary symmetric channel is a

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Q. Binary symmetric channel is hard decision channel.

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Q. Gaussian channel is a hard decision channel.

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Q. Branch word synchronization is the process of determining the

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Q. Which distance is related to the error correcting capability of the code?

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Q. A catastrophic error is an event whereby ______ number of code symbol error causes _______ number of decoded data error bits.

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Q. A code should be selected such that it should

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Q. The error correcting capability of a code scheme increases as the

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Q. Which has a limited resolution?

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Q. Which parameter is used in soft decision algorithm?

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Q. Which factor is desirable?

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Q. Soft decision results in

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Q. A feedback decoder makes hard decision.

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