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Frame Error Rate: Why burst channel is better?

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neoflash

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Quoted from some lecture notes:

A channel with a BER of 10-7 and a average burst size of1000 bits is very different from one with independent random errors

• Example: For an average frame length of 10^4 bits
– random channel: E[Frame error rate] ~ 10^-3
– burst channel: E[Frame error rate] ~ 10^-6

Why burst channel has a lower Frame Error Rate? Is this because that most error bits locate in a single Frame thus the total frame error rate is lower?
 

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