MATLAb code for basic OFDM model
2016-08-23
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In digital communications, information is expressed in the form of bits. The
term symbol refers to a collection, in various sizes, of bits [6]. OFDM data are
generated by taking symbols in the spectral space using M-PSK, QAM, etc, and
convert the spectra to time domain by taking the Inverse Discrete Fourier Transform
(IDFT). Since Inverse Fast Fourier Transform (IFFT) is more cost effective to
implement, it is usually used instead [3]. Once the OFDM data are modulated to time
signal, all carriers transmit in parallel to fully occupy the available frequency
bandwidth [7]. During modulation, OFDM symbols are typically divide
term symbol refers to a collection, in various sizes, of bits [6]. OFDM data are
generated by taking symbols in the spectral space using M-PSK, QAM, etc, and
convert the spectra to time domain by taking the Inverse Discrete Fourier Transform
(IDFT). Since Inverse Fast Fourier Transform (IFFT) is more cost effective to
implement, it is usually used instead [3]. Once the OFDM data are modulated to time
signal, all carriers transmit in parallel to fully occupy the available frequency
bandwidth [7]. During modulation, OFDM symbols are typically divide
matlab
ofdm
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