Yesterday, 3GPP has officially announced that 5G' would become the official name of the next generation of mobile connectivity technologies that would succeed today's 4G technologies like LTE or LTE-Advanced. 3GPP has also released the official logo for the new technology standard. The logo's new wave pattern is basically carried over from the existing 4G logo while the green waves of the LTE-A logo are now a part of 5G's new logo. Official 5G Logo The use of the 5G logo on 3GPP specification cover sheets is intended to help the industry to identify at which point in time 5G...
Source: http://www.gsmarena.com/successor_to_4g_is_officially_named_5g-news-23292.php