Sinulingga, Juwi, Wahyudin, Ade, AND Amanaf, Muntaqo. " ANALYSIS OF DESIGNING LTE-A RELEASE 12 WITH CARRIER AGGREGATION INTERBAND TECHNIQUE ON 1800 MHz FREQUENCY AND 2300 MHz OPERATOR X IN CENTRAL SEMARANG CITY" Jurnal Elektro dan Telekomunikasi Terapan (e-Journal) [Online], Volume 5 Number 1 (5 September 2018)