It also covers all those confusing acronyms like FDMA, TDMA, CDMA, WCDMA, and HSDPA/HSPA.Sponsored linksWhat's inside your phone? Photo: Cellphones past and present. Left: A Motorola V66 from about 2000, a Nokia 106 from about 2010, and an LG G series smartphone from about 2016. I ...
the frequency bands were still getting overcrowded. So the engineers put their thinking caps on again and found yet another way to squeeze more users into the system. The idea they came up with next was calledcode-division multiple access (CDMA)and uses elements of both TDMA and FDMA so a ...