OFDM program
2016-08-23
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In this paper, orthogonal frequency division multiplexing (OFDM) system simulation is realized by MATLAB programming. The system adopts convolutional code and interleaved code concatenation error control coding. Taking Gaussian noise channel and power line channel as examples, the relationship between BER and SNR in the case of no error control coding and error control coding is calculated respectively. The results show that the requirement of SNR is greatly reduced when the BER reaches 10-3 by adding error control coding. With the increase of signal-to-noise ratio, the bit error rate of the system decreases in the form of approximate conic curve or partial approximate conic curve, and the difference can be controlled in the range of 0.005 ~ 0.02 by simulating the conic curves with different coefficients.
matlab
ofdm
程序
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