The bit error rate or bit error ratio (BER) is the number of bit errors divided by the total number of transferred bits during a studied time interval. BER is a unitless performance measure, often expressed as a percentage.
The bit error probability pe is the expectation value of the BER. The BER can be considered as an approximate estimate of the bit error probability. This estimate is accurate for a long time interval and a high number of bit errors.
Read more about Bit Error Rate: Example, Packet Error Rate, Factors Affecting The BER, Analysis of The BER, Mathematical Draft, Bit Error Rate Test, Bit Error Rate Tester
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