Channel estimation with iterative discrete Fourier transform-based smoothing for orthogonal frequency-division multiplexing systems with non-uniformly spaced pilots in channels with long delay spread

  • S. D. You
  • Published 2014 in IET Communications

Abstract

An orthogonal frequency-division multiplexing (OFDM) system with non-uniformly spaced pilots, such as worldwide interoperability for microwave access, voids virtually all discrete Fourier transform (DFT)-based interpolation methods for channel estimation, because they all require pilots to be uniformly spaced. Therefore, we propose two iterative algorithms… (More)
DOI: 10.1049/iet-com.2014.0141

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