Since the standardization of 5G mobile networks has been completed, the deployments of 5G network has started all over the world. 5G mobile and wireless networks have achieved significant improvements in terms of latency, data rates, spectral efficiency, mobility and number of connected smart mobile devices. Therefore, they have marked the beginning of a true digital society. Although 5G network offers support of many broadband applications and services, still it may not be able to meet the rapid increase of the traffic demands. Therefore, the main research and development activities started to focus on the next 6G mobile and wireless network, which is expected to be commercially available around 2030. In this direction, this paper highlights the vision of the technologies used in 6G network, 6G network architecture, 6G network challenges and potential solutions.

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