Though some believe 6G will add multi-sensory elements including taste and smell, most researchers from industry firms (such as Samsung) believe multi-sensory features in the 6G standard will focus more on immersive extended reality based on artificial and augmented or virtual reality but still anchored in vision and sound.
Nokia Bell Labs also has what seems a more-grounded view of likely 6G performance attributes, as befits a research outfit whose owner will have to be involved in setting actual global standards.
Nokia Bell Labs says there are at least five new network capabilities 6G might bring:
cognitive spectrum sharing methods and new spectrum bands
integration of localization and sensing capabilities into the system definition
extreme performance requirements on latency and reliability
new network architecture paradigms involving sub-networks and RAN– core convergence
new security and privacy schemes
That makes sense, as 6G will be a communications platform, not a detailed set of applications or use cases, as such. As 5G enables IoT and ultra-low-latency apps, as 5G enables network slicing, so 6G will enable new use cases, without providing explicit protocol support for them.
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