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TDHQ Enabling Fine-granularity Adaptive Loading for SSB-DMT Systems
Huazhong University of Science and Technology, China.
Huazhong University of Science and Technology, China.
Huazhong University of Science and Technology, China.
Huazhong University of Science and Technology, China.
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2018 (English)In: IEEE Photonics Technology Letters, ISSN 1041-1135, E-ISSN 1941-0174, Vol. 30, no 19, p. 1687-1690Article in journal (Refereed) Published
Abstract [en]

In this letter, we introduce time domain hybrid quadrature amplitude modulation (TDHQ) for the single sideband (SSB) discrete multi-tone (DMT) systems. Experimental results reveal that with a single precoding set and the proposed adaptive loading algorithm, the TDHQ scheme can achieve finer granularity and therefore smoother continuous growth of data rate than that with the conventional quadrature amplitude modulation (QAM). Besides, thanks to the frame construction and the tailored mapping rule, the scheme with TDHQ has an obviously better peak to average power ratio (PAPR).

Place, publisher, year, edition, pages
2018. Vol. 30, no 19, p. 1687-1690
Keywords [en]
adaptive loading, discrete multi-tone (DMT), Optical filters, Optical transmitters, Peak to average power ratio, Precoding, Quadrature amplitude modulation, Signal to noise ratio, single sideband (SSB), Time domain hybrid quadrature amplitude modulation (TDHQ), Adaptive optics, Discrete multi-tone, Single side bands, Time domain, Loading
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Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-35162DOI: 10.1109/LPT.2018.2866434Scopus ID: 2-s2.0-85052678149OAI: oai:DiVA.org:ri-35162DiVA, id: diva2:1247286
Available from: 2018-09-11 Created: 2018-09-11 Last updated: 2018-12-11Bibliographically approved

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Ozolins, OskarsUdalcovs, Aleksejs

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