Sciece and Technology Point

Cellular Network Basics:   There are any types of cellular services, before developing into details focus on basics ( helps navigate the "acronym soup") Cellular network is radio based technology, radio waves are electromagnetic waves that antenna propagate. Most of signals are in the range of 850 MHz, 900 MHz,1800 MHz and 1900MHz frequency band. Cell phone operating frequency range Cellular Network: Base stations transmit to and receive from mobiles at the assigned spectrum ( Multiple base stations use the same spectrum). The service area of each base stations is called a cell.     Each mobile terminal is typically served by the closest base stations.     Handoff when terminal move. Cellular Network Generations: It is useful to think of cellular telephony in terms of generation         -  0G : Briefcase size mobile radio telephones       - 1G : Analog cellular telephony. ...