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The Golden Quantizer: The Complex Gaussian Random Variable Case
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-6026-322X
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-7182-9543
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-7926-5081
2018 (English)In: IEEE Wireless Communications Letters, ISSN 2162-2337, E-ISSN 2162-2345, Vol. 7, no 3, p. 312-315Article in journal (Refereed) Published
Abstract [en]

The problem of quantizing a circularly symmetric complex Gaussian random variable is considered. For this purpose, we design two non-uniform quantizers, a high-rate- and a Lloyd-Max-quantizer, that are both based on the (golden angle) spiral-phyllotaxis packing principle. We find that the proposed schemes have lower mean-square error distortion compared to (non)-uniform polar/rectangular-quantizers, and near-identical to the best performing trained vector quantizers. The proposed quantizer scheme offers a structured design, a simple natural index ordering, and allows for any number of centroids.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018. Vol. 7, no 3, p. 312-315
Keywords [en]
Non-uniform quantization, golden angle
National Category
Computer Sciences
Identifiers
URN: urn:nbn:se:kth:diva-240235DOI: 10.1109/LWC.2017.2774824ISI: 000436010400008Scopus ID: 2-s2.0-85035136568OAI: oai:DiVA.org:kth-240235DiVA, id: diva2:1270676
Note

QC 20181214

Available from: 2018-12-14 Created: 2018-12-14 Last updated: 2018-12-14Bibliographically approved

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Larsson, PeterRasmussen, Lars KildehöjSkoglund, Mikael

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CiteExportLink to record
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  • apa
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