The degree of engineering in the branch of electronics is in a good demand. The development in any sector is directly related to the electronics sector. The different government sectors also need the electronics engineers for their different fields.

Paper Pattern:

Questions in the paper of Digital Communication and coding techniques are technical ones and so it requires a good knowledge of the paper. The paper contains 7 questions and 5 are to be attempted from it. Questions are further divided into 2-3 sub-questions. Question No. 7 is short notes and out of 4 short notes, 3 are to be solved. The questions in the paper are required to be solved with relevant diagrams.  Question No. 1 is compulsory and rest 4 are to be solved from the remaining questions.

Frequently asked questions:

All questions asked in the paper are from syllabus. The questions asked are such as Channel coding theorem. Rationale for coding and types of codes, Discrete memory less channel , some Algebraic concepts, Digital Modulation formats , coherent and non-modulation. Digital modulation techniques-BPSK, Modifications of BPSK, QPSK, and Spread Spectrum Modulation –Pseudo noise Sequences, Processing Gain and Jamming etc.

Total marks and time allotted:

The paper is of 100 marks and students are given 3 hours to solve the paper. Each question is of 20 marks and most sub-questions are of 10 marks.

Recommended Books:

• Digital Communication and Coding Techniques by Kuo
• Precoding Techniques for Digital Communication Systems by Willey Publications