a third-generation (3G) mobile phone technologies standardized by the 3GPP as the successor to GSM.
						                            Source(s):
						                            
								                            
                                                                
                                                                    NISTIR 7250
                                                                
                                                                										                             under Universal Mobile Telecommunications System 
                                                                                                                                
									                            
                                                                
                                                                    NISTIR 7387
                                                                
                                                                										                             under Universal Mobile Telecommunications System