codeword
Noun
Meaning
(cryptography) A string representing an encoded piece of text.
Bob cannot get any information out of the codeword since he doesn't know what transmission bases Alice used.
A word or phrase (or by extension a concept) used to make a (concealed) reference to another word or concept.
Synonym: dogwhistle
A type of crossword puzzle where the letters of the alphabet are represented by numbers and the solver must identify them by their position and frequency.
Source: en.wiktionary.orgSynonyms
Antonyms
Phrases with the word
Examples
Although the codewords as produced by the above encoder schemes are not the same, there is a duality between the coefficients of polynomials and their values that would allow the same codeword to be considered as a set of coefficients or a set of values.
A particular codeword of any line code can either have no disparity (the average weight of the codeword is zero), negative disparity (the average weight of the codeword is negative), or positive disparity (the average weight of the codeword is positive).
However, the practical decoders described below require a generator polynomial known to the decoder, and view a codeword as a set of coefficients.
If the system of equations can be solved, then the receiver knows how to modify the received word to get the most likely codeword that was sent.
In a paired disparity code, every codeword that averages to a negative level (negative disparity) is paired with some other codeword that averages to a positive level (positive disparity).
In order to obtain a codeword of the Reed–Solomon code, the message is interpreted as the description of a polynomial p of degree less than k over the finite field F with q elements.