Abstract: The different categories of CDMA address codes and corresponding characteristics are introduced.The method of constructing a two-dimensional combined address code of time spreading/frequency hopping is given, and the characteristics of constructed address code are analyzed. In the end, the realization method of this address code is illustrated. This new code has good performances in autocorrelation, cross-correlation and capacity, and can be easily implemented by FBG and AWG. The decoder and encoder of two dimensional code are easier in selecting address and integration than those of one dimensional code.