Comparison of MOE and blind LMS

TitleComparison of MOE and blind LMS
Publication TypeJournal Article
Year of Publication2003
AuthorsSchober, R., W. H. Gerstacker, and L. Lampe
JournalCommunications Letters, IEEE
Volume7
Pagination204 - 206
Date Publishedmay.
ISSN1089-7798
Keywordsblind adaptive algorithms, blind least-mean-square algorithm, blind LMS, BLMS, code division multiple access, complexity, convergence, digital filters, direct-sequence code-division multiple access, DS-CDMA, interference suppression, least mean squares methods, MAI suppression, minimum mean-squared error filter, minimum-output-energy algorithm, MMSE filter, MOE, multiple access interference, spread spectrum communication, stability, steady-state performance, transient behavior
Abstract

In this letter, we provide a rigorous analytical comparison of two blind adaptive algorithms for adjustment of the minimum mean-squared error (MMSE) filter for multiple access interference (MAI) suppression for direct-sequence code-division multiple access (DS-CDMA). In particular, we compare the popular minimum-output-energy (MOE) algorithm and the blind least-mean-square algorithm (BLMS) in terms of complexity, transient behavior, convergence, stability, and steady-state performance. We show analytically that the MOE algorithm enjoys a faster speed of convergence and has a superior steady-state performance, while the BLMS algorithm is computationally less complex.

URLhttp://dx.doi.org/10.1109/LCOMM.2003.812177
DOI10.1109/LCOMM.2003.812177

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