Abstract
A data transmitting and receiving method of transmitting supplementary data in an OFDM communication system is disclosed. The method of transmitting and receiving the OFDM signal includes: mapping an input bit stream into at least one transfer symbol; changing at least one of amplitudes and phases of the transfer symbols that are transmitted by a specific sub-carrier group having a plurality of sub-carriers using constellation modification information to indicate specific additional data; and transmitting the transfer symbols to which the changing is carried out to a receiving end by an orthogonal frequency division multiplexing data processing the constellation modification information being identical to each other with respect to the transfer symbols that are transmitted by the specific sub-carrier group.
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| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| Not Available | 17/09/2012 | ISLD-201209-004 | LG | No | Family Member | ||||
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| 4G | 04/10/2014 | ISLD-201410-003 | LG | Yes | Family Member | ||||
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No | Family Member | |||
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Yes | Basis Patent | |||
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No | Family Member | |||
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Yes | Family Member | |||
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No | Family Member | |||
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Yes | Family Member | |||
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Yes | Family Member | |||
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Yes | Basis Patent | |||
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