A novel MMSE detection technique for DS-CDMA

Tao Luo Tao Luo,Yong Liang Guan Yong Liang Guan,Choi Look Law Choi Look Law,Shaoqian Li Shaoqian Li,Gang Wu Gang Wu

doi:10.1109/icics.2007.4449607

A novel MMSE detection technique for DS-CDMA

Tao Luo Tao Luo, Yong Liang Guan Yong Liang Guan + Show 3 more

https://doi.org/10.1109/icics.2007.4449607

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Publication Date: Jan 1, 2007

Citations: 2

Affiliation: University of Electronic Science and Technology of China, Nanyang Technological University

#Direct Sequence Code-division Multiple Access #Frequency Domain Equalization + Show 8 more

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Abstract

A novel linear per user minimum mean square error (PU-MMSE) detection technique for direct sequence code- division multiple access (DS-CDMA) with frequency domain equalization (FDE) based on the MMSE criterion applied per user is presented, which approximately restores the orthogonality among the spreading sequences and reduces the interference. It is shown by computer simulation that the DS-CDMA with PU-MMSE FDE obviously outperforms the DS-CDMA with conventional MMSE FDE.

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