This is a topic under engineering.

Introduction to Wireless and Cellular Communications

swayam.gov.in

A System View of Communications: From Signals to Packets (Part 3)

edx.org

A System View of Communications: From Signals to Packets (Part 1)

edx.org

Understanding Wireless: Technology, Economics, and Policy

edx.org

Probability and Random Variables/ Processes for Wireless Communications

onlinecourses.nptel.ac.in

Principles of Modern CDMA/ MIMO/ OFDM Wireless Communications

onlinecourses.nptel.ac.in

Fiber-Optic Communication Systems and Techniques

swayam.gov.in

Modern Digital Communication Techniques

onlinecourses.nptel.ac.in

Principles of Modern CDMA MIMO OFDM Wireless Communications

swayam.gov.in

4G Network Essentials

edx.org

Spread Spectrum Communications and Jamming

onlinecourses.nptel.ac.in

A System View of Communications: From Signals to Packets (Part 2)

edx.org

Open Infrastructure to Support the 5G Transition

edx.org

Optical Communications

onlinecourses.nptel.ac.in

LDPC and Polar Codes in 5G Standard

onlinecourses.nptel.ac.in

Wireless Communications for Everybody

coursera.org

Fundamentals of MIMO Wireless Communication

onlinecourses.nptel.ac.in

Bayesian/ MMSE Estimation for MIMO/OFDM Wireless Communications

onlinecourses.nptel.ac.in

Principles of Digital Communications

onlinecourses.nptel.ac.in

Estimation for Wireless Communications –MIMO/ OFDM Cellular and Sensor Networks

onlinecourses.nptel.ac.in

Evolution of Air Interface towards 5G

onlinecourses.nptel.ac.in

Basics of software-defined radios and practical applications

onlinecourses.nptel.ac.in

Introduction to Satellite Communications

coursera.org

Introduction to Radio Network Optimization

futurelearn.com

Principles of Communication Systems-I

onlinecourses.nptel.ac.in

Principles of Communication Systems Part II

swayam.gov.in

Analog Communication

swayam.gov.in

Millimeter Wave Technology

onlinecourses.nptel.ac.in

Antennas

onlinecourses.nptel.ac.in

Wireless Ad Hoc and Sensor Networks

onlinecourses.nptel.ac.in

Satellite Communication Systems

onlinecourses.nptel.ac.in

Wireless Communication Emerging Technologies

coursera.org