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- W2100088981 abstract "Subspace-based channel impulse response (CIR) estimators have been proposed for multi carrier code division multiple access (MC-CDMA) systems. Channel identifiability conditions have been formulated for blind (non-data-aided) CIR estimators. These identifiability conditions require the channel filtering matrix to satisfy certain rank conditions. In this paper, the generalized uplink MC-CDMA system model is analyzed in detail. It will be shown that each user's signal subspace dimensionality is independent of the user's spreading code and CIR. Furthermore, for any realization of the users' CIR, the channel identifiability is established by only imposing a simple rank condition on the users' spreading codes." @default.
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- W2100088981 date "2008-01-01" @default.
- W2100088981 modified "2023-09-22" @default.
- W2100088981 title "Channel Identifiability for Blind Subspace-Based Channel Estimator in Uplink MC-CDMA Systems" @default.
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- W2100088981 doi "https://doi.org/10.1109/icc.2008.115" @default.
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