what is SNR?? WHY IT IS IMPORTANT IN COMMUNICATION NETWORK?

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what is SNR?? WHY IT IS IMPORTANT IN COMMUNICATION NETWORK?..

Answer / girish

SNR or "Signal to Noise Ratio" is a parameter used in
measuring the effectiveness of a communication system or
network. It is simply obtained as a ratio of the signal
power to the noise power in the received signal.
In communication systems, the message signal should be
dominant than the noise in the received signal for the
message to be detected and decoded. Hence a threshold limit
is established beyond which if the noise increases, the
message would be lost. Thus for effective communication, the
SNR should be as large as possible and always be greater
than "1".

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what is SNR?? WHY IT IS IMPORTANT IN COMMUNICATION NETWORK?..

Answer / yajnesh padiyar

what girish siad above is for sure right but if noise is
dominant over message signal then message wont be lost just
it would be distorted. to over come this we go for digital
communication where it is more immune to noise.
a communication is said to very good if its SNR is very high.

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what is SNR?? WHY IT IS IMPORTANT IN COMMUNICATION NETWORK?..

Answer / jagrut

singnal to noise ratio must be high

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what is SNR?? WHY IT IS IMPORTANT IN COMMUNICATION NETWORK?..

Answer / ashish manne

becoz it made high eifficenccy in n/w so there is flow of
signal properly.