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On Delay Estimation Error for CDMA in Fast Fading Channels
Wei CHEN Erry GUNAWAN Kah Chan TEH
Publication
IEICE TRANSACTIONS on Communications
Vol.E88-B
No.9
pp.3788-3790 Publication Date: 2005/09/01 Online ISSN:
DOI: 10.1093/ietcom/e88-b.9.3788 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: DS-CDMA system, fast fading channel, space-time array manifold model, delay estimation,
Full Text: PDF>>
Summary:
Space-time array manifold model is usually used in a fast fading channel to estimate delay for the radio location. The existing additive white Gaussian noise (AWGN) estimation error model significantly overestimates the delay estimation. In this paper, we model the estimation error of the space-time array manifold channel impulse response (CIR) matrix as a correlated AWGN matrix and its performance is shown to be closer to the estimation error of practical systems than the existing model.
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