Abstract
An OFDM-modulated signal (daubed portion in the figure) is created by performing orthogonal frequency-division multiplexing to a transmission signal. An OFDM-CDKM-modulated signal (hatched portion in the figure) is created by performing orthogonal frequency-division multiplexing and code-division multiple access processing to a transmission signal. By transmitting the OFDM-modulated signal and the OFDM-CDM-modulated signal, it is possible to obtain effects that data can be transmitted at a significantly high rate by the OFDM-modulated signal and high-quality data can be transmitted by the OFDM-CDM-modulated signal although the transmission rate is slightly lowered than the OFDM-moulation.
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| 4G | 30/10/2019 | ISLD-201909-015 | INTERDIGITAL INC |
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