US Patent 7268709 Method for generating codeword using repetition

Disclosed is a method for generating codewords through a repetition having a number of repetitions by means of multiple code symbols generated by a mother code and included in a slot. The method including the steps of generating the code symbols through a channel coding for input information symbols, and mapping the code symbols so that copies generated by the repetition are located within a bit sequence in an order different from an order of the code symbols in a bit sequence before the repetition, and performing the repetition.