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A source generates four messages m1 m2 m3 and m4 with...

This question belongs to Electronics And Communications Engineering Information Theory And Coding
Information Theory and Coding
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A source generates four messages m1, m2, m3 and m4, with probabilities 0.5, 0.25, 0.125 and 0.125 respectively. The messages are generated independently of each other. A source coder assigns binary code to each message. Which of the following codes has minimum average length and is also uniquely decodable (sequence as per m1, m2, m3, m4)?

Answer & Solution
Correct Answer: Option D
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