A coherence-based algorithm for optimizing rank-1 Grassmannian codebooks

dc.contributor.authorLaue, Heinrich Edgar Arnold
dc.contributor.authorDu Plessis, Warren Paul
dc.contributor.emailwarren.duplessis@up.ac.zaen_ZA
dc.date.accessioned2017-09-05T05:55:05Z
dc.date.available2017-09-05T05:55:05Z
dc.date.issued2017-06
dc.description.abstractAn iterative algorithm for the numerical optimization of rank-1 Grassmannian codebooks is presented. This algorithm achieves the same results as the current state-of-the-art algorithm, but requires a median of 9.52 times less computation time. This improvement is achieved by reformulating the optimization problem to directly minimize coherence instead of maximizing the Euclidean distance between codewords, thereby removing the need to consider large numbers of complex antipodals. The runtime improvement achieved allows the optimization of the larger code-books required in many applications.en_ZA
dc.description.departmentElectrical, Electronic and Computer Engineeringen_ZA
dc.description.librarianhj2017en_ZA
dc.description.sponsorshipNational Research Foundation of South Africa [85845]en_ZA
dc.description.urihttp://signalprocessingsociety.org/publications-resources/ieee-signal-processing-letters/ieee-signal-processing-lettersen_ZA
dc.identifier.citationLaue, H.E.A. & Du Plessis, W.P. 2017, 'A coherence-based algorithm for optimizing rank-1 Grassmannian codebooks', IEEE Signal Processing Letters, vol.24, no. 6, pp. 823-827.en_ZA
dc.identifier.issn1070-9908 (online)
dc.identifier.issn1558-2361 (print)
dc.identifier.other10.1109/LSP.2017.2690466
dc.identifier.urihttp://hdl.handle.net/2263/62182
dc.language.isoenen_ZA
dc.publisherInstitute of Electrical and Electronics Engineersen_ZA
dc.rights© 2017 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission.en_ZA
dc.subjectSensing matrixen_ZA
dc.subjectRank-1 Grassmannian codebooksen_ZA
dc.subjectOptimizationen_ZA
dc.subjectCoherenceen_ZA
dc.subjectCompressive sensing (CS)en_ZA
dc.titleA coherence-based algorithm for optimizing rank-1 Grassmannian codebooksen_ZA
dc.typePostprint Articleen_ZA

Files

Original bundle

Now showing 1 - 1 of 1
Loading...
Thumbnail Image
Name:
Laue_CoherenceBased_2017.pdf
Size:
432.46 KB
Format:
Adobe Portable Document Format
Description:
Postprint Article

License bundle

Now showing 1 - 1 of 1
Loading...
Thumbnail Image
Name:
license.txt
Size:
1.75 KB
Format:
Item-specific license agreed upon to submission
Description: