Some punctured codes of several families of binary linear codes

01/21/2021
by   Xiaoqiang Wang, et al.
0

Two general constructions of linear codes with functions over finite fields have been extensively studied in the literature. The first one is given by 𝒞(f)={ Tr(af(x)+bx)_x ∈𝔽_q^m^*: a,b ∈𝔽_q^m}, where q is a prime power, _q^m^*=_q^m∖{0}, is the trace function from _q^m to _q, and f(x) is a function from 𝔽_q^m to 𝔽_q^m with f(0)=0. Almost bent functions, quadratic functions and some monomials on _2^m were used in the first construction, and many families of binary linear codes with few weights were obtained in the literature. This paper studies some punctured codes of these binary codes. Several families of binary linear codes with few weights and new parameters are obtained in this paper. Several families of distance-optimal binary linear codes with new parameters are also produced in this paper.

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