Multi-symbol encapsulated OFDM system
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United States of America Patent
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Oct 20, 2009
Grant Date -
Mar 31, 2005
app pub date -
Sep 29, 2004
filing date -
Sep 29, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system for communication of information in OFDM format are disclosed. The method employs multi-symbol encapsulation (MSE), wherein multiple OFDM symbols are grouped together in cyclic frames having a single cyclic guard portion, for example a cyclic prefix, with multiple OFDM symbols sandwiched between each two consecutive cyclic guard portions. All OFDM symbols of one frame are equalized together at the receiver in a frequency domain using a single DFT/IDFT operation sequence. Embodiments of the MSE OFDM system are disclosed enabling high bandwidth efficiency, high tolerance to carrier frequency offset and low peak-to-average power ratio.
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