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Article Information

A phase noise suppression algorithm for OFDM-based WLANs

Songping Wu; Bar-Ness, Y.
Communications Letters, IEEE
Volume 6, Issue 12, Dec 2002 Page(s): 535 - 537
Digital Object Identifier   10.1109/LCOMM.2002.806468
Summary: Orthogonal frequency-division multiplexing (OFDM) has been specified by the IEEE 802.11a standard as the transmission technique for high-rate wireless local area networks (WLANs). The performance of an OFDM system, however, is heavily degraded by random Wiener phase noise, which causes both common phase error (CPE) and inter-carrier interference (ICI). To mitigate this problem, a new phase noise suppression (PNS) algorithm is proposed to efficiently eliminate the effect of phase noise on OFDM-based WLANs. Numerical results are presented to illustrate the effectiveness of the proposed algorithm.

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