Method of transmitting and receiving orthogonal frequency division multiplexing (OFDM) signal using multiple antennas, and transmitter and receiver thereof
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United States of America Patent
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Apr 8, 2014
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app pub date -
Nov 10, 2010
filing date -
Feb 18, 2010
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Abstract
Provided is a transmitter for transmitting an orthogonal frequency division multiplexing (OFDM) signal using multiple antennas, including: a subgroup generator to divide data symbols of a frequency domain into a plurality of subgroups; an inverse fast Fourier transform (IFFT) unit to perform an IFFT with respect to each of the subgroups so as to generate partial signals of a time domain corresponding to the plurality of subgroups, respectively; a candidate OFDM signal generator to generate at least two candidate OFDM signals using a combination of the partial signals so that each of the partial signals is transmitted to one of transmit antennas; and a selector to select one of the at least two candidate OFDM signals.
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