# TIA's Glossary of Telecommunication Terms

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## Hamming distance

The number of digit positions in which the corresponding digits of two binary words of the same length are different. *Note 1:* The Hamming distance between 1011101 and 1001001 is two. *Note 2:* The concept can be extended to other notation systems. For example, the Hamming distance between 2143896 and 2233796 is three, and between "toned" and "roses" it is also three. *Synonym* signal distance.

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