Methods for mapping and de-mapping data, transmitting device and receiving device
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United States of America Patent
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Apr 19, 2016
Grant Date -
Apr 21, 2011
app pub date -
Oct 19, 2010
filing date -
Oct 19, 2009
priority date (Note) -
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Abstract
An apparatus and a method for mapping data and de-mapping data are provided. In the method, each modulated datum is mapped into two centrosymmetric Orthogonal Frequency Division Multiplexing (OFDM) subcarriers at the transmitting end, a certain functional transformation is performed on data in one of the two OFDM subcarriers, and original data may be restored at the receiving end according to data of the two centrosymmetric OFDM subcarriers. Exemplary embodiments of the invention also provide a transmitting device and a receiving device. By adopting embodiments of the invention, self-cancellation of interference among subcarriers may be implemented effectively, and the interference among subcarriers may be reduced.
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