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dc.contributor.authorWu, F. M.en_US
dc.contributor.authorLin, C. T.en_US
dc.contributor.authorWei, C. C.en_US
dc.contributor.authorChen, C. W.en_US
dc.contributor.authorChen, Z. Y.en_US
dc.contributor.authorHuang, H. T.en_US
dc.contributor.authorChi, Sienen_US
dc.date.accessioned2014-12-08T15:31:04Z-
dc.date.available2014-12-08T15:31:04Z-
dc.date.issued2013-08-01en_US
dc.identifier.issn1943-0655en_US
dc.identifier.urihttp://dx.doi.org/10.1109/JPHOT.2013.2271637en_US
dc.identifier.urihttp://hdl.handle.net/11536/22153-
dc.description.abstractWe experimentally demonstrate a visible light communication (VLC) system based on a single commercially available RGB-type LED. High spectrally efficient carrier-less amplitude and phase (CAP) modulation and orthogonal frequency-division multiplexing (OFDM) are adopted in the intensity-modulation and direct-detection VLC system of limited bandwidth. In order to achieve higher capacity of the uneven-frequency-response LED-based VLC system, OFDM signals are combined with the bit-and power-loading techniques, and CAP signals of various modulation are pre-emphasized to modulate one of the RGB chips. To reach the BER of less than 10(-3), CAP and OFDM signals demonstrate the maximum data rates of 1.32 and 1.08 Gb/s, respectively, employing the blue chip. In addition to spectrally efficient formats, the wavelength-division-multiplexing (WDM) scheme is applied to further increase the capacity. After individually optimizing RGB chips, the maximum aggregate data rates of CAP and OFDM are 3.22 and 2.93 Gb/s, respectively, in our RGB-LED-based WDM VLC system. Hence, compared with OFDM, the CAP scheme shows competitive performance and provides an alternative spectrally efficient modulation for next generation optical wireless networks.en_US
dc.language.isoen_USen_US
dc.subjectVisible light communicationen_US
dc.subjectcarrier-less amplitude and phase modulationen_US
dc.subjectwavelength-division-multiplexingen_US
dc.titlePerformance Comparison of OFDM Signal and CAP Signal Over High Capacity RGB-LED-Based WDM Visible Light Communicationen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/JPHOT.2013.2271637en_US
dc.identifier.journalIEEE PHOTONICS JOURNALen_US
dc.citation.volume5en_US
dc.citation.issue4en_US
dc.citation.epageen_US
dc.contributor.department光電系統研究所zh_TW
dc.contributor.departmentInstitute of Photonic Systemen_US
dc.identifier.wosnumberWOS:000321913800020-
dc.citation.woscount5-
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