Introduce the Multiuser Detection (MUD) for DS-CDMA system 􀂄 Give two MUD methods for DS-CDMA system –Decorrelating MUD –Subspace MMSE MUD 􀂄 Compare them with traditional decorrelating detection 􀂄 Study the BER vs. S

Ds_CDMA EASI 算法使用两个用户的分离实现PN序列以及用户信息的分离-To solve the problem of the direct sequence code division multiple access (DS-CDMA) system multiuser detection, this paper proposes a variable step-size based on performance index (PI) EASI algorithm for inform