Communication is a way of conveying the message from the sender to the receiver. And a communication system is a system model that describes a communication exchange between transmitter and receiver. In the communication system, signals or information passes from source to distention through a channel, which represents a way that signals use it to move from the source toward the destination.
Basic Communication System Elements
In the communication system information source is the first step. Every communication system serves to convey the message or information. This message started in the information source.
Transmitter converts the message signal into a form that is suitable for transmission over the communication channel.
Channel is a medium through which the message travels from the transmitter to the receiver. And this can be either guided or no-guided.
This function is to receive the signal and convert the message signal into the original form.
In the communication destination is the final step. Message consume in the destination.
Communication system and its types
Radio Communication System
In this system the information flows with the help of a radio, hence it called the radio communication system. It works with the aid of a transmitter and a receiver both equipped with an antenna. The transmitter with the help of an antenna generate signals which are carried through radio carrier wave and the receiver also with the help of an antenna receives the signal.
Optical Communication System
Optical means light, so the optical communication system depends on light as the medium for communication. In this communication system, the transmitter converts the information into an optical signal and finally, the signal then reaches the recipient. After that, the recipient then decodes the signal and responds accordingly.
Duplex Communications System
In this duplex communication system, two equipment can communicate with each other in both directions simultaneously. When one person interacts with another person over the telephone, both of them can listen to each other at the same time. Here the communication actually takes place between the speaker and the receiver simultaneously.
Half Duplex Communication System
In this half-duplex communication system, both the two parties can’t communicate simultaneously. Here sender has to stop sending the signals to the recipient and then only the recipient can respond. For example a walkie talkie work on the half-duplex communication system.
Tactical Communication System
In the tactical communication system, communication varies according to the changes in the environmental conditions and other situations.
Due to the communication systems, communication has become very easy.