Knowledge Resources | Dar Al-hikmah Library | Public Access
Summary: The evolution of mobile communication systems began with the 1st generation (1G) in the 1980s, the second generation Global System for Mobile Communications (2G-GSM) in the early 1990s, the third generation Universal Mobile Telecommunications System (3G-UMTS) in 2002, and the fourth generation Long Term Evolution (4G-LTE) technology i