Though we are very very early in the development cycle, 6G almost certainly will feature higher speeds, lower latency, lower energy consumption, widespread embedded use of artificial intelligence and essentially will solve issues that arise during 5G deployment and experience (use cases, apps and technology).
Advancements in some areas might not be as extensive as in the past, as we are close to physical limits in terms of latency (unless one wishes to consider the concept of negative latency, more a case of anticipating needs before they happen) and modulation complexity, for example.
NTT Docomo also believes the radio access technology will be a key focus, as well as
New ways to dynamically manage interference might be important, as small cells become a basic network building block, requiring more intensive interference management. As has become common, 6G might also incorporate use of other networks (satellite, high altitude pseudo satellite networks, local area networks).
As 5G has begun the use of millimeter wave frequencies, 6G will undoubtedly extend use of frequencies up towards 300 GHz. The trickiness of using such frequencies is why artificial intelligence will be foundational. Using AI makes possible smarter antennas, automated and dynamic interference control and other expected or possible capabilities such as dynamically using any available resource (spectrum, radio resources) or modifying performance (power levels, for example) as needed to maintain network performance or user experience.
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