Residual bit error rate

The residual bit error rate (RBER) is a receive quality metric in digital transmission, one of several used to quantify the accuracy of the received data.[1]

## Overview

In digital transmission schemes, including cellular telephony systems such as GSM, a certain percentage of received data will be detected as containing errors, and will be discarded. The likelihood that a particular bit will be detected as erroneous is the bit error rate.

The RBER characterizes the likelihood that a given bit will be erroneous but will not be detected as such[2]

## Applications

When digital communication systems are being designed, the maximum acceptable residual bit error rate can be used, along with other quality metrics, to calculate the minimum acceptable signal-to-noise ratio in the system. This in turn provides minimum requirements for the physical and electronic design of the transmitter and receiver.[3]

## References

1. ↑ Smith, David Russell (2004). Digital transmission systems. Springer. pp. 47–48. ISBN 1-4020-7587-1. https://books.google.com/books?id=4IASeihofskC&q="residual+bit+error+rate"&pg=PA48.
2. ↑ Crols, Jan; Steyaert, Michiel (1997). CMOS wireless transceiver design. Springer. ISBN 0-7923-9960-9. https://books.google.com/books?id=YFj97fOjSHkC&q=rber+gsm&pg=PA108.
3. ↑ Crols, Jan; Steyaert, Michiel (1997). CMOS wireless transceiver design. Springer. p. 109. ISBN 0-7923-9960-9. https://books.google.com/books?id=YFj97fOjSHkC&q=rber+gsm&pg=PA109.

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