And a method for decoding apparatus for decoding the information word and the word channel encoding apparatus and method for encoding to n- bit channel word bit information word - (n-1)

摘要

It describes the encoding apparatus so as to obtain a channel signal of concatenated channel words by encoding the bit channel words n- bit information words - (57) [Abstract] (n-1). I will be a bit sequence having the characteristics of the K ''0'' occurs at most of this between ''one'' channel signal. Input means for receiving a bit information word and (1), (n-1) - - (n-1) the encoding device converting means for converting the bit channel words n- bit information words (2,4,5, and 7, S ₁ -S _9), I comprises a (9) for supplying the output means of the connecting channel signal n- bit channel word. The converting means is, (n-1) bits of one of the binary values ​​of the first or second - insert to be inserted into (2.8,2.9) between adjacent bit positions of the first and second specified bit information words I provided (7.9, S ₅₎ means. When you rise in the rising edge of the information word the number of "0" is the first integer of the specified in the (p-1) or more, or the number of falling ''0'' at the falling edge of the information word die of specified When it is an integer of 2 to (q-1) or more, or (n-1) the case of both - the adjacent bit positions between the first and second specified bit information words to insert a "0" bit . The decoding apparatus of the stand falling as well be set to value "1" the logical value of (7.1) the third bit position specified when you rise above the other number of "0" is the first equal to or greater than the number of specified '' are provided (S _1, S ₉₎ setting means for setting the value 1 ''logical value of the fourth bit positions specified when the number is the second number or more of the specified'' 0. 1 Tsutoshi of (p) the third number of the specified bit position of the rise of the information word, the third bit position of the designated die of specified falling bit position of the information word fourth bit position of the specified (7.17) 1 Tsutoshi of (q) 4 number, equal to the second number plus the specified fourth specified number of, k and n is an integer value here, for some k is the second and the number of the first specified I want to have a relationship. Also, the decoding device associated also described.