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Simple Coarse Frequency Offset Estimation Schemes for OFDM Burst Transmission

Overview Simple methods of the estimation of that part of the frequency offset, which is a multiple of the subcarrier spacing in the OFDM (Orthogonal Frequency Division Multiplexing) systems have been proposed. Described methods are aimed at burst transmission systems and take use of only one preamble symbol also required for the timing offset estimation. The methods are based on the frequency domain search for the unused subcarriers in the received signal spectrum. The proposed algorithms are immune to a constant phase shift (e.g. caused by timing errors). The estimation range depends on the algorithm but in general can be made as large as desired (but less than a half of the signal band-width).

Further White Paper Details
Publisher	Institute of Electrical and Electronics Engineers	File Format	PDF
Date Published	August 2002
Format	White Papers
Topics	Wireless LAN, Mobile - Wireless Communications

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