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Line 4: The [[one-hot]] code and the '''balanced code''' are two widely used kinds of constant-weight code. The theory is closely connected to that of [[Combinatorial design\|designs]] (such as [[block design\|''t''-design]]s and [[Steiner system]]s). Most of the work on this ~~very vital~~ field of [[discrete mathematics]] is concerned with ''binary'' constant-weight codes. Binary constant-weight codes have several applications, including [[Frequency-hopping spread spectrum\|frequency hopping]] in [[Global System for Mobile Communications\|GSM]] networks.<ref name="smith">D. H. Smith, L. A. Hughes and S. Perkins (2006). "[http://www.combinatorics.org/Volume_13/Abstracts/v13i1a2.html A New Table of Constant Weight Codes of Length Greater than 28]". ''The Electronic Journal of Combinatorics'' '''13'''.</ref>

Constant-weight code: Difference between revisions