Joint Frame Synchronization and Channel Estimation: Sparse Recovery Approach and USRP Implementation

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dc.contributor.VIAF113149196515374792028 (Al-Dhahir, N)
dc.contributor.authorOzdemir, O.
dc.contributor.authorAnjinappa, C. K.
dc.contributor.authorHamila, R.
dc.contributor.authorAl-Dhahir, Naofal
dc.contributor.authorGuvenc, I.
dc.contributor.utdAuthorAl-Dhahir, Naofal
dc.date.accessioned2020-02-24T23:33:30Z
dc.date.available2020-02-24T23:33:30Z
dc.date.issued2019-03-25
dc.description.abstractCorrelation-based techniques used for frame synchronization can suffer significant performance degradation over multi-path frequency-selective channels. In this paper, we propose a joint frame synchronization and channel estimation (JFSCE) framework as a remedy to this problem. This framework, however, increases the size of the resulting combined channel vector which should capture both the channel impulse response vector and the frame boundary offset and, therefore, its estimation becomes more challenging. On the other hand, because the combined channel vector is sparse, sparse channel estimation methods can be applied. We propose several JFSCE methods using popular sparse signal recovery algorithms which exploit the sparsity of the combined channel vector. Subsequently, the sparse channel vector estimate is used to design a sparse equalizer. Our simulation results and experimental measurements using software defined radios show that in some scenarios our proposed method improves the overall system performance significantly, in terms of the mean square error between the transmitted and the equalized symbols compared to the conventional method. © 2013 IEEE.
dc.description.departmentErik Jonsson School of Engineering and Computer Science
dc.description.sponsorshipNSF through NCSU under Grant ACI-1541108; Qatar National Research Fund (a member of Qatar Foundation) under Grant NPRP 8-627-2-260.
dc.identifier.bibliographicCitationOzdemir, O., C. K. Anjinappa, R. Hamila, N. Al-Dhahir, et al. 2019. "Joint Frame Synchronization and Channel Estimation: Sparse Recovery Approach and USRP Implementation." IEEE Access 7: 39041-39053, doi: 10.1109/ACCESS.2019.2905761
dc.identifier.issn2169-3536
dc.identifier.urihttp://dx.doi.org/10.1109/ACCESS.2019.2905761
dc.identifier.urihttps://hdl.handle.net/10735.1/7297
dc.identifier.volume7
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.rightsOAPA. Commercial reuse is prohibited
dc.rights©2019 IEEE
dc.rights.urihttp://open.ieee.org
dc.source.journalIEEE Access
dc.subjectEqualizers (Electronics)
dc.subjectSoftware radio
dc.subjectMobile communication systems
dc.subjectComputer software
dc.subjectRadio—Receivers and reception
dc.subjectSynchronization
dc.titleJoint Frame Synchronization and Channel Estimation: Sparse Recovery Approach and USRP Implementation
dc.type.genrearticle

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