Data demodulator for multicode CDMA system

A data demodulator for a multicode Code Division Multiple Access (CDMA) system, the system transmitting data by allocating multiple codes to each user, the data demodulator comprising:

• code generating means for generating a local code and a plurality of local orthogonal codes for respectively despreading input channel signals and orthogonally despreading the despread channel signals;
• time error estimating means for generating time error information for the despread channel signals and outputting the time error information to the code generating means;
• symbol processing means including N symbol processing units, where N is a maximum number of local orthogonal codes allocable to each user, each said symbol processing unit demodulating symbols despread by each local orthogonal code into original symbols, wherein the number of enabled symbol processing units corresponds to the number of local orthogonal codes allocated to said user, and wherein the remaining symbol processing units are disabled;
• and
• symbol deskewing means for classifying the demodulated symbols according to the codes and writing the classified symbols in sequence into a two-dimensional memory.