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A Subspace-Based Approach to Blind Channel Identification in Pulse Shaping OFDM/OQAM Systems

Overview This paper introduces a subspace-based algorithm for the blind identification of time-dispersive channels in pulse shaping OFDM systems based on offset QAM (OFDM/OQAM). The approach presented in this paper exploits cyclostationarity induced by the use of overlapping pulse shaping filters and uses second-order statistics only. The proposed method is similar in spirit to modulation-induced cyclostationarity. The algorithm assumes symbol-rate sampling in the receiver and does not require knowledge of the channel order. The paper provides simulation results demonstrating the performance of the new method.

Further White Paper Details
Publisher	Stanford University	File Format	PDF, requires Acrobat Rdr 5
Date Published	March 2005	Downloads	11
Format	White Papers
Topics	Wireless LAN, Modems, Mobile - Wireless Communications

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