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MIMO-OFDM preamble for channel estimation
MIMO-OFDM preamble for channel estimation
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机译:用于信道估计的MIMO-OFDM前导
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摘要
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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