Recent developments in blind channel equalization: from cyclostationarity to subspaces
Signal Processing - Special issue on subspace methods, part I: array signal processing and subspace computations
Wideband CDMA For Third Generation Mobile Communications: Universal Personal Communications
Wideband CDMA For Third Generation Mobile Communications: Universal Personal Communications
Wcdma for Umts
Subspace methods for the blind identification of multichannel FIRfilters
IEEE Transactions on Signal Processing
Blind equalization in antenna array CDMA systems
IEEE Transactions on Signal Processing
A Toeplitz displacement method for blind multipath estimation forlong code DS/CDMA signals
IEEE Transactions on Signal Processing
Wireless Personal Communications: An International Journal
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In this paper blind channel estimation methods for long code CDMA system withmulticode transmission are proposed. By allocating multiple codes, higher data rates may be provided to a user.Blind channel estimationallows reducing pilot signaling. Hence, higher effective data rates may beachieved and larger sample support may be obtained by using both the informationsymbols and known pilot symbols for channel estimation. Algorithms are extended to multi-antenna receiver which further improves theperformance.The performance of the algorithms is studied in extensive simulations usingWCDMA system model.The effects of code selection, interference and noise, number of antennas,antenna correlationare considered using frequency selective channel models. The proposed methods are more robust in the face of interference and code selection than the well-known subspace method in\cite{WF99}. The computational complexity is lower as well.