6G represents a crucial advancement from 5G. Although discussions about 6G have been ongoing for several years, its official path toward standardization commenced in December 2023 when the International Telecommunication Union (ITU) published the framework for developing standards and radio interfaces for 6G.
This framework established a deadline of the end of 2030 for finalizing the radio interface specifications. The 3rd Generation Partnership Project (3GPP) is tasked with defining these specifications, collaborating closely with the ITU-Radiocommunications Sector Working Party (ITU-R WP) 5D to create precise technical specifications and standards.
The defining features of 6G include significant enhancements in speed, reliability, coverage, and spectral efficiency compared to 5G, along with ultra-low latency and the capability to connect an unprecedented number of devices.
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6G could achieve speeds of up to 1 Tbps, which is 2,000 times faster than the 100–500 Mbps range currently experienced by mobile and Fixed Wireless Access (FWA) users in areas with strong 5G coverage. This advancement will enhance downloads and streaming as global video content consumption continues to surge. It will also facilitate future applications ranging from 3D telepresence to agentic AI applications that demand low-latency network computing.
Increased speed is expected to accompany the anticipated ultra-low latency of 1 microsecond, which is 1,000 times quicker than the 1 millisecond target set by 5G for low single-digit millisecond latency—ideal for monitoring time-sensitive processes or conditions.
These elevated speeds and potential for reduced latencies will be achieved through the utilization of higher spectrum frequencies than those employed by 5G (as detailed below), combined with integrated AI to optimize network resource usage for efficiency far exceeding human decision-making capabilities.
The advancement of smart cities and the Internet of Things (IoT) across various contexts requires technology that can reliably and affordably support a number of devices that will far exceed current usage.
