Fast CDMA multiuser detection by orthogonal projection onto an interference null space

Abstract

This paper presents a method for asynchronous code-division multiple-access (CDMA) multiuser detection that has low computational complexity and that provides fast convergence. The proposed method efficiently finds an interference subspace from data samples and projects received signals onto its orthogonal complement to suppress multiple access… (More)
DOI: 10.1016/j.dsp.2008.01.001

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