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Publication
ISIT 1994
Conference paper
High-order spectral-null codes: Constructions and bounds
Abstract
Derives upper and lower bounds on the cardinality and minimum distance of the set S(n,k) of length-n sequences with order-k spectral null at zero frequency. The authors also provide constructions of block codes that are subsets of S(n,k) with rate approaching unity as n → ∞. © 1994 IEEE.