Tuesday, 17 December 2019

WHAT IS THE CONCEPT OF WIRELESS NETWORK ?

WIRELESS TECHNOLOGIES MEDIA:



Wireless could be easily refer to one or more than two computers that communicating using different  standards network ,rules or the protocols.  Instead the computers can use wireless radio signals to send the information from one computer to others.The air is the main medium for the wireless transmission and other transmission media includes:


WIRELESS TECHNOLOGIES MEDIA

The Wireless could also be refer to one or more than two computers which also communicating using standard network and rules or protocols.  Instead of the computers use the wireless radio signasl to send all of the information from one computer to another very easily. Air is only the main medium for all of the wireless transmission while the other transmission media included.



Through Sattelite:

Earth-orbiting  that really  provides the communication over to the long distance only by the ref of relaying radio frequency signals.  These systems could  be one-way or  we can say two-way. With one-way system, you can easily download via the satellite but you must upload a dial-up phone line. The Satellite service really requires a substantial set-up fees, equipment which could  cost a lot.



ADVANTAGES OF SATELLITE

i.                    The  speeds is fast, reaching almost 7Mbps.
ii.                   It is really the best option in whole area where there is no other broadband service is available.
iii.                  By this Large data can be transfer (upload or download) with .

PROBLEMS OF SATELLITE

i.                     It is really very cost to set up.
ii.                   Internet service can be stop by bad weather.
iii.                  It really takes time for the signal to travel to and from a satellite and this really take the user experience  in data transmission.

b.      RADIO WAVES

It is a wireless communication media which sent through the space from one antenna to the another antenna  as means of communication. The Radio waves are really used for the receiving of AM and also FM radio station and also as well as for receiving television stations. Some of the telecommunication system can also uses radio waves and also they are cordless telephone service such as cellular, GSM etc.





ADVANTAGES OF RADIO WAVES

i.                    As  Some are reflected off the ionosphere, which can easily can travel around the earth.
ii.                   It can carry out  a message instantaneously over to a wide area.
iii.       The wires are really not needed as they travel through the air, thus, a cheaper form of the communication.



PROBLEMS OF RADIO WAVES


  •               It really requires the aerials to receive all the signal.
  •                   It really travels in a straight line, so we can say repeater stations may be needed. 

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