WIRELESS COMMUNICATION BASE STATION DEVICE IN MULTIPLE-CARRIER COMMUNICATION AND WIRELESS COMMUNICATION METHOD

摘要

A base station is provided to suppress a drop of receiving power and deterioration of receiving characteristics by cancellation between the same symbols in the case of application of a repetition technology to multiple-carrier communication. In this base station (100), a repetition unit (103) for reproducing (making repetition of) each data symbol input from a modulating unit (102) to make out a plurality of identical data symbols, and a phase rotating unit (106) for giving a phase rotation to a data symbol input from a multiplexing unit (105). This time the phase rotating unit (106) provides the identical symbols made out by the repetition with the phase rotation which has a phase rotating difference different from phase rotating differences among a plurality of identical symbols transmitted with the ones identical to a plurality of the identical symbols at time and a frequency identical to those of a plurality of the identical symbols in adjacent cells or adjacent sectors.