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Wireless cellular communication is one of the §largest markets in the world and it is still growing §rapidly. Currently, the cellular communication §system is moving toward high date rate transmission §and high spectrum efficiency. An attractive approach §is the CDMA technology. However, the capacity of a §CDMA cellular system is limited by two phenomena, §namely Multiuser Access Interference(MAI) and near-§far problem. Lots of researches have been conducted §to tackle these problems. Interference suppression§techniques such as adaptive antenna arrays and §multiuser detection (MUD) have been investigated to §overcome such problems. Adaptive antenna array has a §spatial filtering property, which makes it possible §to receive signal from a particular direction while §simultaneously blocking interferences from other§direction. Thus, adaptive antenna array is a very §promising solution to reduce MAI in the CDMA §communication system. The research presented in this §monograph is on the development of advanced receiver §algorithms with antenna arrays for DS-CDMA §communication system.