This is a topic under engineering.
Introduction to Wireless and Cellular Communications
swayam.gov.inA System View of Communications: From Signals to Packets (Part 3)
edx.orgA System View of Communications: From Signals to Packets (Part 1)
edx.orgUnderstanding Wireless: Technology, Economics, and Policy
edx.orgProbability and Random Variables/ Processes for Wireless Communications
onlinecourses.nptel.ac.inPrinciples of Modern CDMA/ MIMO/ OFDM Wireless Communications
onlinecourses.nptel.ac.inFiber-Optic Communication Systems and Techniques
swayam.gov.inModern Digital Communication Techniques
onlinecourses.nptel.ac.inPrinciples of Modern CDMA MIMO OFDM Wireless Communications
swayam.gov.in4G Network Essentials
edx.orgSpread Spectrum Communications and Jamming
onlinecourses.nptel.ac.inA System View of Communications: From Signals to Packets (Part 2)
edx.orgOpen Infrastructure to Support the 5G Transition
edx.orgOptical Communications
onlinecourses.nptel.ac.inLDPC and Polar Codes in 5G Standard
onlinecourses.nptel.ac.inWireless Communications for Everybody
coursera.orgFundamentals of MIMO Wireless Communication
onlinecourses.nptel.ac.inBayesian/ MMSE Estimation for MIMO/OFDM Wireless Communications
onlinecourses.nptel.ac.inPrinciples of Digital Communications
onlinecourses.nptel.ac.inEstimation for Wireless Communications –MIMO/ OFDM Cellular and Sensor Networks
onlinecourses.nptel.ac.inEvolution of Air Interface towards 5G
onlinecourses.nptel.ac.inBasics of software-defined radios and practical applications
onlinecourses.nptel.ac.inIntroduction to Satellite Communications
coursera.orgIntroduction to Radio Network Optimization
futurelearn.comPrinciples of Communication Systems-I
onlinecourses.nptel.ac.inPrinciples of Communication Systems Part II
swayam.gov.inAnalog Communication
swayam.gov.inMillimeter Wave Technology
onlinecourses.nptel.ac.inAntennas
onlinecourses.nptel.ac.inWireless Ad Hoc and Sensor Networks
onlinecourses.nptel.ac.inSatellite Communication Systems
onlinecourses.nptel.ac.inWireless Communication Emerging Technologies
coursera.org