Theauthorsprovideacomprehensiveoverviewofthe5GRANdesignguidelines,keydesignconsiderations,andfunctionalinnovationsasidentifiedanddevelopedbykeyplayersinthefield.Theydepicttheairinterfaceandscapethatisenvisionedfor5G,andelaborateonhowthiswilllikelybeharmonizedandintegratedintoanove