MIMO-OFDM preamble for channel estimation
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United States of America Patent
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Oct 20, 2009
Grant Date -
N/A
app pub date -
Oct 23, 2003
filing date -
May 14, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A preamble for a MIMO-OFDM system includes multiple training symbols. Each training symbol has a pattern in which data symbols and null symbols are transmitted on all tones and on all transmit antennas. The pattern for each training symbol corresponds to a cyclic shift of the patterns of the other training symbols.
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