IEEE Future Networks World Forum
13–15 November 2023 // Baltimore, MD, USA
Imagining the Network of the Future

TUT4: Physical and Virtual world - Bridging the gap in 6G



This tutorial provides a quick overview of the effort from 6G cellular standards to support Immersive communication for 3D with high-resolution video. This technology is expected to make a major impact on society by the end of this decade. To support it using 3GPP specifications, technologies currently being deployed in 5G, such as eMBB (enhanced mobile broadband), URLLC (ultra-reliable low latency communication) and AI (Artificial Intelligence) are being enhanced. This tutorial will present typical applications that need such wireless technologies to help society and enhance our lives. Concepts of VR (Virtual reality), Metaverse, and network performance needed to support high-resolution 3D video or XR (Extended reality of VR headsets or smartphones) to display the virtual world will be described.

In addition to entertainment applications like interactive games, others such as telesurgery, immersive learning, holographic conferences will need this technology of 6G to bring about important changes. Realizing its importance, the 3GPP standard, as well as ITU (Int’l Telecom Union) are working on detailed specifications to meet that goal. The major impact of 6G will be felt in driverless electric vehicles, smart manufacturing and agriculture, and smart grids, which will be discussed in this tutorial.


Krishnamurthy Raghunandan is a senior manager at MTA, New York City Transit, since 2005. He has been responsible for the deployment of 5G services in all the subway stations and WiFi (both 2.4 GHz unlicensed and 4.9GHz licensed) at yards and stations. He was also instrumental in deploying millimetric wave links in rail yards to bring camera traffic to security booths. Prior to joining MTA, Raghu worked in Bell labs and was the Radio Access Network (RAN) lead at 3GPP standards. He was responsible for field test of cell phones and Sirius satellite radio used in premium cars today. Raghu has bachelor’s, master’s and research degrees in Electrical engineering, with a long-standing career in wireless communication. He is the author of the textbook “Introduction to Wireless communication and networks – a practical perspective” which was published by Springer Nature in April 2022. This book was approved by the IEEE communication society as a textbook for graduate students in telecommunication. He is currently teaching wireless communications to graduate students at Rutgers University.



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