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Optimum Nyquist windowing for improved OFDM receivers

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2 Author(s)
S. H. Muller-Weinfurtner ; Lehrstuhl fur Nachrichtentechnik II, Erlangen-Nurnberg Univ., Germany ; J. B. Huber

Conventional orthogonal frequency-division multiplexing (OFDM) receivers disregard oversized guard intervals. An (adaptive) Nyquist-shaped receive window could exploit signal samples in its unconsumed portion to improve demodulation. The OFDM transmitter is not modified, subcarrier orthogonality is preserved, and the DFT size may be retained. In this paper, we optimize the window shape by considering additive noise and intercarrier interference due to carrier frequency offsets, jointly

Published in:

Global Telecommunications Conference, 2000. GLOBECOM '00. IEEE  (Volume:2 )

Date of Conference:

2000