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- W2775246374 abstract "OFDM (Orthogonal Frequency-Division Multiplexing) is one of the most used digital schemes at the moment. Conventionaly, OFDM uses inverse Fast Fourier transforms and Fast Fourier Transforms (IFFT/FFT) at the transmitter and receiver to modulate and demodulate data. This work analyses different alternatives to the use of these IFFT/FFT of OFDM systems by replacing them with Discrete Cosine Transform (DCT) blocks. This results in lower computational requirements, mainly due to the use of real arithmetic operations instead of complex operations, and higher information rates, shown in simulations." @default.
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- W2775246374 date "2017-09-01" @default.
- W2775246374 modified "2023-10-09" @default.
- W2775246374 title "Different alternatives for the use of Cosine Transform in OFDM systems" @default.
- W2775246374 doi "https://doi.org/10.23919/rpic.2017.8211617" @default.
- W2775246374 hasPublicationYear "2017" @default.
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