Apparatus and method for spread spectrum signal generation using pseudo orthogonal code of CDMA mobile communication system

摘要

A spread spectrum signal generator using a pseudo orthogonal code of a CDMA mobile communication system includes a signal converter for converting a signal of a channel data bit stream to be input and a pseudo orthogonal code generator for generating a pseudo orthogonal code composed of M different Walsh codes, A spread code generator for spreading the converted signal by M number of signal streams and multiplying each spread signal sequence by a pseudo orthogonal code to spread by M number of N signal sequences; A pseudo orthogonal code spreading and pieness masking unit for multiplying and subjecting the pien code to the pien masking, and an output unit for frequency-converting the output of the pseudo orthogonal code spreading and the pien masking unit to a base band and a filtered signal and a radio signal.