Implementation and co-simulation of hybrid pilot-aided channel estimation with decision feedback equalizer for OFDM systems

2.50
Hdl Handle:
http://hdl.handle.net/10547/272973
Title:
Implementation and co-simulation of hybrid pilot-aided channel estimation with decision feedback equalizer for OFDM systems
Authors:
Li, Wei; Zhang, Yue ( 0000-0003-0017-1398 ) ; Huang, Li-Ke; Maple, Carsten; Cosmas, John ( 0000-0003-4378-5576 )
Abstract:
This paper introduces novel hybrid pilot-aided channel estimation with decision feedback equalizer(DFE) for OFDM systems and its corresponding hardware co-simulation platform. This pilot-aided channel estimation algorithm consists of two parts: coarse estimation and fine estimation. In the coarse estimation, the combined classical channel estimation methods including carrier frequency offset (CFO) and channel impulse response (CIR) estimation are used. Based on the received training sequence and pilot tones in the frequency domain, the major CFO, sampling clock frequency offset (SFO) and CIR effect coefficients are derived. In the fine estimation, the pilot-aided polynomial interpolation estimation combined with a new decision feedback equalizer scheme based on minimum mean squared error (MMSE) criteria is proposed to reduce the residual effect caused by imperfect CIR equalizer, SFO and CFO. At the same time, for the purpose of speeding up the whole development and verification process, a new architecture of co-simulation platform which combines software and hardware is introduced. The simulation results on the co-simulation platform indicate that the proposed hybrid channel estimation scheme can enhance the receiver performance by 6 dB in terms of error vector magnitude (EVM) over large ranges of CFO and SFO and BER performance by 7 dB for SNR range over 15 dB.
Affiliation:
University of Bedfordshire
Citation:
Li, W., Zhang, Y., Huang, L.K., Maple, C., Cosmas, J.P. (2012) 'Implementation and Co-Simulation of Hybrid Pilot-Aided Channel Estimation With Decision Feedback Equalizer for OFDM Systems' IEEE Transactions on Broadcasting 58 (4):590-602
Publisher:
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Journal:
IEEE Transactions on Broadcasting
Issue Date:
2012
URI:
http://hdl.handle.net/10547/272973
DOI:
10.1109/TBC.2012.2207249
Additional Links:
http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=6279474
Type:
Article
Language:
en
ISSN:
0018-9316; 1557-9611
Appears in Collections:
Centre for Research in Distributed Technologies (CREDIT)

Full metadata record

DC FieldValue Language
dc.contributor.authorLi, Weien_GB
dc.contributor.authorZhang, Yueen_GB
dc.contributor.authorHuang, Li-Keen_GB
dc.contributor.authorMaple, Carstenen_GB
dc.contributor.authorCosmas, Johnen_GB
dc.date.accessioned2013-03-15T13:30:57Z-
dc.date.available2013-03-15T13:30:57Z-
dc.date.issued2012-
dc.identifier.citationLi, W., Zhang, Y., Huang, L.K., Maple, C., Cosmas, J.P. (2012) 'Implementation and Co-Simulation of Hybrid Pilot-Aided Channel Estimation With Decision Feedback Equalizer for OFDM Systems' IEEE Transactions on Broadcasting 58 (4):590-602en_GB
dc.identifier.issn0018-9316-
dc.identifier.issn1557-9611-
dc.identifier.doi10.1109/TBC.2012.2207249-
dc.identifier.urihttp://hdl.handle.net/10547/272973-
dc.description.abstractThis paper introduces novel hybrid pilot-aided channel estimation with decision feedback equalizer(DFE) for OFDM systems and its corresponding hardware co-simulation platform. This pilot-aided channel estimation algorithm consists of two parts: coarse estimation and fine estimation. In the coarse estimation, the combined classical channel estimation methods including carrier frequency offset (CFO) and channel impulse response (CIR) estimation are used. Based on the received training sequence and pilot tones in the frequency domain, the major CFO, sampling clock frequency offset (SFO) and CIR effect coefficients are derived. In the fine estimation, the pilot-aided polynomial interpolation estimation combined with a new decision feedback equalizer scheme based on minimum mean squared error (MMSE) criteria is proposed to reduce the residual effect caused by imperfect CIR equalizer, SFO and CFO. At the same time, for the purpose of speeding up the whole development and verification process, a new architecture of co-simulation platform which combines software and hardware is introduced. The simulation results on the co-simulation platform indicate that the proposed hybrid channel estimation scheme can enhance the receiver performance by 6 dB in terms of error vector magnitude (EVM) over large ranges of CFO and SFO and BER performance by 7 dB for SNR range over 15 dB.en_GB
dc.language.isoenen
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INCen_GB
dc.relation.urlhttp://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=6279474en_GB
dc.rightsArchived with thanks to IEEE Transactions on Broadcastingen_GB
dc.subjectCFOen_GB
dc.subjectDFEen_GB
dc.subjectEVMen_GB
dc.subjectFPGAen_GB
dc.subjectMMSEen_GB
dc.subjectOFDMen_GB
dc.subjectSFOen_GB
dc.subjectchannel estimationen_GB
dc.subjectco-simulationen_GB
dc.subjectOFDM modulationen_GB
dc.titleImplementation and co-simulation of hybrid pilot-aided channel estimation with decision feedback equalizer for OFDM systemsen
dc.typeArticleen
dc.contributor.departmentUniversity of Bedfordshireen_GB
dc.identifier.journalIEEE Transactions on Broadcastingen_GB
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