Intercarrier Interference Immune OFDM system |
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BibTeX: |
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@article{IJIRSTV2I9049, |
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Abstract: |
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In Today’s world OFDM plays very important role for wireless communication systems.OFDM has overlapping subcarrier spectrum due to this overlapping spectrum OFDM has very high spectral efficiency. OFDM is also known as Multicarrier modulation technique and this OFDM system is very sensitive to carrier frequency offset, which cause loss of Orthogonality and amplitude reduction of OFDM signal and lead to Inter Carrier Interference( ICI) ,which is one of the major weakness of OFDM system. Existing techniques for OFDM can be directly adopted in SC-OFDM to improve performance however, this improved performance comes at costs such as decreased throughput. We have analyzed the effect of ICI on an SC-OFDM system. This system is immune to ICI and it outperforms OFDM, SC-OFDM systems with Phase Shift Keying modulation and quadrature Amplitude Modulation. |
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Keywords: |
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OFDM, ICI, BER, CFO, SC-OFDM, MKM |
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