A Novel ZF-Based MAI Cancellation Scheme in the Time Domain for SC-FDMA System

Yu Lei Zhang; Tian Yuan Zhang; Shu Xin Guo

doi:10.4028/www.scientific.net/AMM.427-429.2432

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 427-429A Novel ZF-Based MAI Cancellation Scheme in the...

A Novel ZF-Based MAI Cancellation Scheme in the Time Domain for SC-FDMA System

Abstract:

Similar to the orthogonal frequency division multiple access (OFDMA) system, the carrier frequency offset (CFO) is a challenging problem in the single carrier frequency division multiple access (SC-FDMA) system, which can destroy the orthogonality among the subcarriers. As a consequence, multi-access interference (MAI) along with serious performance degradation will be induced. In this paper, a zero forcing (ZF)-based MAI cancellation scheme is proposed. Compared with other cancellation schemes, the proposed one mitigates the interferences in the time domain instead of the frequency domain. Simulation results show that the proposed method can significantly reduce the degradation and enhance the Bit Error Ratio (BER) performance.

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Periodical:

Applied Mechanics and Materials (Volumes 427-429)

Pages:

2432-2435

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.427-429.2432

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Online since:

September 2013

Authors:

Yu Lei Zhang, Tian Yuan Zhang, Shu Xin Guo

Keywords:

CFO, MAI Cancellation, Sc-FDMA, Zero Forcing

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