Saturday, October 12, 2019

Broadband and Baseband / Internet and Networking

Broadband and Baseband :-
            There are two different techniques that may be used to transmit the signal along the network wiren-baseband communication and broadband communication.  Let's take a look at each of these techniques.
Baseband:- Sends Digital signals through the media as a single channel that uses the entire bandwidth of the media.  The signal is delivered as a pulse of electricity or light,  depending on the type of cabling being used.  Baseband communication is also bidirectional,  which means that the same channel can be used to send receive signals.
Broadband :- Sends information in the from of an analog signal,  which flows as electro-magnetic waves or optical waves.  Each transmission is assigned to a portion of the the bandwidth,  so unlike with Baseband communication,  it is possible to have multiple transmissions at the same time,  with each remission b3ing assigned it's own channel or frequency.  Broadband communication is unidirectional,  so in order to send and receive,  two pathways will need to be used.  This can be accomplished either by assigning a frequency for sending and assigning a frequency for receiving along the same cable or by using two cables,  one for sending and one for receiving. 

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