Low Complexity Residual Phase Tracking Algorithm for OFDM-based WLAN Systems

  title={Low Complexity Residual Phase Tracking Algorithm for OFDM-based WLAN Systems},
  author={Suvra Sekhar Das and R. V. Rajakumar and Muhammad Imadur Rahman and Arpan Pal and Frank H. P. Fitzek and Ole Olsen and Ramjee Prasad},
This paper presents the design of an efficient low complexity residual phase tracking algorithm for Orthogonal Frequency Division Multiplexing (OFDM) based Wireless Local Area Network receivers. In this paper the focus is on mitigation of the residual carrier frequency synchronization offset and sampling frequency offset. We propose a novel algorithm that uses piecewise linear approximation to estimate the complex exponential of the phase angle at pilot locations instead of estimating the… CONTINUE READING
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