Mobile Tutorial 2 4

Out of the mobile wireless communication the thing of concern with us is the cellular communication.

First of all dont get confused between mobile communiation and cellular communication . Mobile communication is in general term which includes all system such as pager sys, cordless sys or others wireless sys. while the cellular communication deals with the communication of the mobile we use in the present world.

In walkie- talkie sys there used to be only one controlling centre known as Main switching centre (MSC).In CELLULAR comm. the whole area are divided in no of cells which is hexagonal in shape hence the name.

Each cell is controlled by base station (BS) and all the BS are controlled by MSC.