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Adaptive channel estimation in DS-CDMA systems
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Choi, Ji-Woong | - |
dc.contributor.author | Lee, Yong-Hwan | - |
dc.date.accessioned | 2009-08-10T04:35:31Z | - |
dc.date.available | 2009-08-10T04:35:31Z | - |
dc.date.issued | 2004-02-01 | - |
dc.identifier.citation | ECTI TRANSACTIONS on Electrical Eng., Electronics, and Communications, vol. 2, no. 1, pp. 1-10, February 2004 | en |
dc.identifier.issn | 1685-9545 | - |
dc.identifier.uri | https://hdl.handle.net/10371/6765 | - |
dc.description.abstract | The 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.iso | en | en |
dc.publisher | Electrical Engineering/Electronics, Computer, Communications and Information Technology Association (ECTI) | en |
dc.subject | channel estimation filter | en |
dc.title | Adaptive channel estimation in DS-CDMA systems | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | 최지웅 | - |
dc.contributor.AlternativeAuthor | 이용환 | - |
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