Thế hệ kế tiếp của công nghệ CDMA. 1 Introduction 2 Basics of CDMA Communications 3 CDMA-Based 2G and 3G Systems 4 Technical Limitations of Traditional CDMA Technology 5 What is Next Generation CDMA Technology? 6 Complementary Codes 7 CDMA Systems Based on Complementary Codes 8 Integration of Space-Time Coding with CC-CDMA Technologies