Diversity coded OFDM for high data-rate communication
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United States of America Patent
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Sep 9, 2003
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N/A
app pub date -
Dec 17, 1998
filing date -
Feb 6, 1998
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Abstract
Orthogonal Frequency Division Multiplexing (OFDM) is combined with a plurality of transmitting antennas to yield a system that provides space, frequency and time diversity. Specifically, an arrangement is created where a transmitter includes a plurality of antennas that are transmitting simultaneously over the same frequency subbands, and the symbols that are transmitted over each subband, in any given time slot, over the different antennas are encoded to provide diversity. The principles of trellis coding, space-time coding, or any other diversity-producing coding can be applied in this arrangement.
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