Long Term Evolution B (LTE-B) is a designation used by some companies for a further development of LTE-A. This designation is not official. LTE-B is not a standard, it belongs to LTE-A. 3GPP has labeled the further developments of Long Term Evolution (LTE) with releases. All specifications for standard LTE fall under 3GPP Release 8. LTE-Advanced (LTE-A) belongs to Release 12.