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A Novel blind frequency offset estimation method for OFDM systems

Vivek K. Dwivedi, Pradeep Kumar, Ghanshyam Kumar Singh

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Abstract

OFDM digital communication system is highly frequency sensitive to carrier frequency offset between transmitter and receiver local oscillators, which disturbs orthogonality among carriers. Consequently, the performance of OFDM system is reduced greatly due to inter-carrier-interference (ICI). In this paper, we have presented a novel approach for the frequency offset estimation of the OFDM communication systems and the results have been compared with other reported literature.

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What this paper is about

OFDM digital communication system is highly frequency sensitive to carrier frequency offset between transmitter and receiver local oscillators, which disturbs orthogonality among carriers. Consequently, the performance of OFDM system is reduced greatly due to inter-carrier-interference (ICI). In this paper, we have presented a novel approach for the frequency offset estimation of the OFDM communication systems and the results have been compared with other reported literature.

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Available abstract

OFDM digital communication system is highly frequency sensitive to carrier frequency offset between transmitter and receiver local oscillators, which disturbs orthogonality among carriers. Consequently, the performance of OFDM system is reduced greatly due to inter-carrier-interference (ICI). In this paper, we have presented a novel approach for the frequency offset estimation of the OFDM communication systems and the results have been compared with other reported literature.

Key concepts: Orthogonal frequency-division multiplexing, Carrier frequency offset, Frequency offset, Transmitter, Orthogonality, Computer science, Electronic engineering, Interference (communication)

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