Analysis of cyclic prefix length effect on ISI limitation in OFDM system over a Rayleigh-fading multipath
In this work, the influence of the cyclic prefix on the performance of the OFDM system is studied. We worked out an OFDM transceiver using a 16 QAM modulation scheme, a comparison of the BER for various lengths of the cyclic prefix has been achieved, and the influence of the noise introduced in the...
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| Veröffentlicht in: | International journal of electrical and computer engineering (Malacca, Malacca) Malacca), 2021-08, Vol.11 (4), p.3114 |
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| container_title | International journal of electrical and computer engineering (Malacca, Malacca) |
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| creator | Zanafi, Sarah Aknin, Noura |
| description | In this work, the influence of the cyclic prefix on the performance of the OFDM system is studied. We worked out an OFDM transceiver using a 16 QAM modulation scheme, a comparison of the BER for various lengths of the cyclic prefix has been achieved, and the influence of the noise introduced in the channel has been highlighted, for both a Gaussian and Rayleigh noise. The simulation was carried out on MATLAB where the curves of the BER for various lengths of the cyclic prefix are given and compared. We also adopted as a metric the QAM constellation to show the dispersion of the carriers as a consequence of the transmission channel, the mitigation of this effect by the CP is noticeable. |
| doi_str_mv | 10.11591/ijece.v11i4.pp3114-3122 |
| format | Article |
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| ispartof | International journal of electrical and computer engineering (Malacca, Malacca), 2021-08, Vol.11 (4), p.3114 |
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| language | eng |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Algorithms Efficiency Information technology Noise Quadrature amplitude modulation |
| title | Analysis of cyclic prefix length effect on ISI limitation in OFDM system over a Rayleigh-fading multipath |
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