Patent ID: 9300433
Filing Date: 2016-03-29
CPC Classification: H04L

Claim Text:
1. A constant amplitude encoding apparatus that is applied to a code division multiplexing communication system comprising: the constant amplitude encoding apparatus configured to: divide, by an input frame generation module, a data bit string into a predetermined length and generate a cyclic redundancy check bit of the divided data bit string and add the cyclic redundancy check bit to the divided data bit string to generate an input frame; form, by a 1/N conversion module, the input frame into a plurality of blocks according to a predetermined block code rate; convert, by an interleaving module, the plurality of blocks to a matrix by filling in one direction of a horizontal direction and a vertical direction and read out the converted matrix in a direction different from the filled direction of a horizontal direction and a vertical direction to output the converted matrix to a series of bit strings; output, by a 9/16 turbo product code module, an encoded result by adding an additional bit to the output of the interleaving module; perform, by a constant amplitude multiplexing module, a constant amplitude multiplexing process on the output of the 9/16 turbo product code module; and divide the data bit string into a 32 bit-512 bit length and add the cyclic redundancy check bit to the divided data bit string in order to make a length of the divided data bit string into a multiple of 9; and a receiving terminal configured to receive data transmitted by the constant amplitude encoding apparatus.