Method and Arrangement for Transmitting an Orthogonal Frequency Diversity Multiplex Signal via at Least One Optical Filter
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United States of America Patent
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Issued Date -
Jan 17, 2013
app pub date -
Feb 2, 2011
filing date -
Feb 5, 2010
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Abandoned
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Abstract
The invention describes method and an arrangement for transmitting an orthogonal frequency diversity multiplex signal via an optical filter. OFDM channels located near an edge of an OFDM spectrum are copied and shifted to an opposite edge of the OFDM spectrum and transmitted via the optical filter. At the receiver symbols are derived from original and the copied OFDM channels. Then the symbols having a better signal quality are elected for further processing.
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