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Study and analysis of various frequency offset correction schemes in orthogonal frequency division multiplexing (OFDM) based long term evaluation (LTE) systems
, , Gupta S, Sharma U, Pratik P.
Published in Institution of Engineering and Technology
2012
Volume: 2012
   
Issue: CP652
Pages: 214 - 217
Abstract
Orthogonal Frequency Division Multiplexing (OFDM) is the technology which is used in 4G based high data rate applications. The standards like Long Term Evaluation (LTE), Long Term Evaluation Advanced (LTE-A) and Wi-MAX promise to offer a high data rate at high mobility. But the mobility destroys the orthogonality of OFDM systems and also reduces the spectral efficiency. The orthogonality loss due to frequency synchronization errors cause Inter Carrier Interference (ICI) which is a severe problem in OFDM based systems. In this paper we have discussed the effects of Carrier Frequency Offset (CFO) and various estimation techniques and compare their performance. The simulation results prove that Moose method of frequency domain estimation offers less Mean Square Error (MSE) when compared to other techniques.
About the journal
JournalFourth International Conference on Advances in Recent Technologies in Communication and Computing (ARTCom2012)
PublisherInstitution of Engineering and Technology
Open Access0