Convolutional Codes MCQ

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• In Viterbi’s algorithm, the selected paths are regarded as __________
  ক

  Survivors

  খ

  Defenders

  গ

  Destroyers

  ঘ

  Carriers
• Which decoding method involves the evaluation by means of Fano’s algorithm?
  ক

  Maximum Likelihood Decoding

  খ

  Sequential Decoding

  গ

  Maximum a priori

  ঘ

  Minimum mean square
• Which of the following is not an error correction and detection code?
  ক

  Block code

  খ

  Convolutional codes

  গ

  Passive codes

  ঘ

  Turbo codes
• In comparison to stack algorithm, Fano’s algorithm is simpler.
  ক

  True

  খ

  False
• Which of the following is not an advantage of Fano’s algorithm in comparison to Viterbi’s algorithm?
  ক

  Less storage

  খ

  Large constraint length

  গ

  Error rate

  ঘ

  Small delays
• Fano’s algorithm searches all the paths of trellis diagram at same time to find the most probable path.
  ক

  True

  খ

  False
• Viterbi algorithm performs ____________ decoding of convolutional codes.
  ক

  Maximum likelihood

  খ

  Maximum a posteriori

  গ

  Minimum square

  ঘ

  Minimum mean square
• Which of the following is not an algorithm for decoding convolution codes?
  ক

  Viterbi algorithm

  খ

  Stack algorithm

  গ

  Fano’s sequential coding

  ঘ

  Ant colony optimization
• Which of the following is not a way to represent convolution code?
  ক

  State diagram

  খ

  Trellis diagram

  গ

  Tree diagram

  ঘ

  Linear matrix
• Block codes can achieve a larger coding gain than convolution coding.
  ক

  True

  খ

  False