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Adaptive channel estimation in DS-CDMA systems

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dc.contributor.authorChoi, Ji-Woong-
dc.contributor.authorLee, Yong-Hwan-
dc.date.accessioned2009-08-10T04:35:31Z-
dc.date.available2009-08-10T04:35:31Z-
dc.date.issued2004-02-01-
dc.identifier.citationECTI TRANSACTIONS on Electrical Eng., Electronics, and Communications, vol. 2, no. 1, pp. 1-10, February 2004en
dc.identifier.issn1685-9545-
dc.identifier.urihttps://hdl.handle.net/10371/6765-
dc.description.abstractThe accuracy of channel estimation (CE) significantly
affects the performance of the coherent rake receiver
in DS-CDMA systems. It is desirable to employ
a CE scheme that can provide good estimation performance
and fast tracking the channel fading with
reduced complexity. Such a CE scheme needs to employ
a so-called channel estimation filter (CEF) that
can effectively reduce the noise effect according to the
channel condition. In this paper, we consider the use
of adaptive channel estimators that employ a moving
average (MA) FIR filter as the CEF. Numerical
results show that the use of adaptive MA FIR CEF
for pilot based and hybrid CE schemes can provide a
performance similar to the use of Wiener CEF, while
significantly reducing the implementation complexity.
en
dc.language.isoenen
dc.publisherElectrical Engineering/Electronics, Computer, Communications and Information Technology Association (ECTI)en
dc.subjectchannel estimation filteren
dc.titleAdaptive channel estimation in DS-CDMA systemsen
dc.typeArticleen
dc.contributor.AlternativeAuthor최지웅-
dc.contributor.AlternativeAuthor이용환-
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