Mobile - Wireless Communications White Papers

Linearly Precoded or Coded OFDM Against Wireless Channel Fades?

Overview Orthogonal Frequency Division Multiplexing (OFDM) converts a dispersive channel into parallel subchannels and thus facilitates equalization. But when the channel has nulls close to or on the FFT grid, OFDM faces serious symbol recovery problems. This paper identifies the maximum achievable diversity order for i.i.d. or correlated Rayleigh fading channels and also provide design rules for achieving maximum diversity gains with LP-OFDM.

Further White Paper Details
PublisherRegents of the University of Minnesota File FormatPDF, requires Acrobat Rdr 5
Date PublishedMarch 2001
FormatWhite Papers   
Topics
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