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reliable digital data communication

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erece

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What are the parameters for reliable digital data communication ??
 

Bit error rate (BER), Signal to Noise Ratio (SNR) should pretty much cover that globally. Then there are the specifics like Eb/No, Symbol error rate, etc...at the channel level
Network Level: Packet loss, miss rate....

Essentially depends on your application and then you can decide on a suitable parameter. e.g. in cell phones you will use call drop rate
 

Bit error rate (BER), Signal to Noise Ratio (SNR) should pretty much cover that globally. Then there are the specifics like Eb/No, Symbol error rate, etc...at the channel level
Network Level: Packet loss, miss rate....

Essentially depends on your application and then you can decide on a suitable parameter. e.g. in cell phones you will use call drop rate
can you explain Eb/No and its effect on the reliability and why we use this term , why not just signal to noise ratio?
 

Eb/No (dB) = SNR (db-Hz) - R (dB bps) where R is the data rate of the channel.
They are all related from Shannon capcity theorem C=W*log_2(1+SNR) W is the bandwidth and C is channel capacity.
 
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    erece

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so higher the Eb/No , the higher is the reliability?
 

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