GATE EC Weightage Analysis for Communication Systems

By Kajal Vats|Updated : December 9th, 2020

GATE (The Graduate Aptitude Test for Engineering) 2021 Exam is a gateway for qualifying candidates to secure admission for postgraduate programs in centrally funded Indian institutions. This year IIT Delhi is organizing institute for GATE Exam.

GATE is a highly competitive entrance exam where lakhs of candidates appear for the examination to crack the exam and hence it requires good tips for GATE preparation.


Here we are providing the detailed GATE EC weightage analysis for Communication Systems. GATE EC Exam conducted in various sessions. The following weightage analysis helps you to understand the importance of the subject in GATE Exam.

Communication Systems Analysis 

  • GATE Electronics and Communication Engineering 2020
    • Paper Analysis: 13 Marks
  • GATE Electronics and Communication Engineering 2019
    • Paper Analysis: 12 Marks
  • GATE Electronics and Communication Engineering 2018
    • Paper-1 Analysis: 11 Marks
  • GATE Electronics and Communication Engineering 2017 
    • Paper-1 Analysis: 3 Marks
    • Paper-2 Analysis: 11 Marks
  • GATE Electronics and Communication Engineering 2016 
    • Paper-1 Analysis: 6 Marks
    • Paper-2 Analysis: 10 Marks
    • Paper-3 Analysis: 11 Marks

Important Topics

  • Topics Covered in 2020: Amplitude Modulation, Phase & frequency modulation, Random variable, Digital communication system, Smith Chart
  • Topics Covered in 2019: Amplitude and Frequency Modulation, Random Process, Random Variable
  • Topics covered in 2018: AM, Binary Channel, Probability of Error, Gaussian Noise, Random Variable
  • Topics covered in 2017: Random Variable, DPCM, FSK, Information Theory, Channel Capacity, PCM, Sampling, Phase Modulation, Amplitude Modulation

We hope this analysis will be useful to prepare Communication Systems. You can analyze frequently asked topics in GATE from the given analysis to crack the GATE 2021 Exam.

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Load Previous Comments
Gulam Sarowar Hussain
Sanjay Sharma and proakis
Gautam Kumar
Sanjay Sharma

AnoopNov 2, 2016

Pls any one give a list of imp subjects wch hav more weightage...i know tht the weightage keep on changing...but any one can give approx. Estimaste of weightage ...
Abid Parray

Abid ParrayDec 23, 2016

Important topics
Vivek Kumar

Vivek KumarDec 30, 2016

Singh & Sapre
Jay Singh

Jay SinghOct 5, 2018

Is B. P. Lathi good book for communication systems?
Venkatesh Jammugani
I am 3rd year student ,pls suggest  me  some important subjects in GATE   ,so that those subjects I will cover in this semester
Durgesh Bhangale
Are MAP and ML coding important ?? Is it mandatory to study them or can we skip them ?? What is your opinion @Rahul Ranjan ??

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