Radio Access Networks Evolution

Cellular Radio Access Networks (RAN) have entered their fifth generation with 3GPP 5G NR. This paper traces the evolution of RAN architectures from custom-built outdoor units to current variants tailored for outdoor, indoor, and special-purpose deployments. These variants address terrestrial and non-terrestrial use cases.

By Roney Paul Kurien
Head – Communication Engineering
Sasken Technologies Ltd.
Radio Access Networks Evolution