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Non-Data-Aided Carrier Offset Estimators for OFDM With Null Subcarriers: Identifiability, Algorithms, and Performance

Overview The ability of orthogonal frequency-division multiplexing systems to mitigate frequency-selective channels is impaired by the presence of Carrier Frequency Offsets (CFOs). This paper investigates identifiability issues involving high-resolution techniques that have been proposed for blind CFO estimation based on null subcarriers. This paper proposes new approaches that do not suffer from the lack of identifiability and adopt adaptive algorithms that are computationally feasible.

Further White Paper Details
Publisher	Institute of Electrical and Electronics Engineers	File Format	PDF
Date Published	December 2001
Format	White Papers
Topics	Wireless LAN, Mobile - Wireless Communications

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