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METHOD AND APPARATUS FOR COMBINING SPACE-FREQUENCY BLOCK CODING, SPATIAL MULTIPLEXING AND BEAMFORMING IN A MIMO-OFDM SYSTEM
METHOD AND APPARATUS FOR COMBINING SPACE-FREQUENCY BLOCK CODING, SPATIAL MULTIPLEXING AND BEAMFORMING IN A MIMO-OFDM SYSTEM
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机译:MIMO-OFDM系统中空间频率块编码,空间复用和波束成形相结合的方法和装置
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摘要
A method and apparatus for combining space-frequency block coding (SFBC) in a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system is described herein. A transmitter, according to one embodiment, may include four antennas and circuitry configured to transmit in an OFDM symbol time period using both frequency diversity and SFBC. For frequency diversity at least one first data element may be repeated producing at least two second data elements and the two second data elements are transmitted using different subcarriers. For space frequency block coding, a pair of third data elements may be space frequency block coded producing four fourth data elements. The four fourth data elements may be transmitted using two subcarriers and only two of the four antennas.
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