A Multi-CAP Visible-Light Communications System With 4.85-b/s/Hz Spectral Efficiency

被引：79

作者：

Haigh, Paul Anthony ^{[1
]}

Burton, Andrew ^{[2
]}

Werfli, Khald ^{[2
]}

Minh, Hoa Le ^{[2
]}

Bentley, Edward ^{[2
]}

Chvojka, Petr ^{[3
]}

Popoola, Wasiu O. ^{[4
]}

Papakonstantinou, Ioannis ^{[5
]}

Zvanovec, Stanislav ^{[3
]}

机构：

[1] Univ Bristol, Fac Engn, Bristol BS8 1TR, Avon, England

[2] Northumbria Univ, Fac Engn & Environm, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England

[3] Czech Tech Univ, Dept Electromagnet Field, Prague 16627, Czech Republic

[4] Univ Edinburgh, Sch Engn, Inst Digital Commun, Edinburgh EH9 3JL, Midlothian, Scotland

[5] UCL, Dept Elect & Elect Engn, London WC1E 6BT, England

来源：

IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS | 2015年 / 33卷 / 09期

关键词：

Bit error rate; equalizers; light emitting diodes; visible light communications; AMPLITUDE-PHASE MODULATION; CARRIER-LESS AMPLITUDE; EQUALIZER;

D O I：

10.1109/JSAC.2015.2433053

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we experimentally demonstrate a multiband carrierless amplitude and phase modulation format for the first time in VLC. We split a conventional carrierless amplitude and phase modulated signal into m subcarriers in order to protect from the attenuation experienced at high frequencies in low-pass VLC systems. We investigate the relationship between throughput/spectral efficiency and m, where m = {10, 8, 6, 4, 2, 1} subcarriers over a fixed total signal bandwidth of 6.5 MHz. We show that transmission speeds (spectral efficiencies) of 31.53 (4.85), 30.88 (4.75), 25.40 (3.90), 23.65 (3.60), 15.78 (2.40), and 9.04 (1.40) Mb/s (b/s/Hz) can be achieved for the listed values of m, respectively.

引用

页码：1771 / 1779

页数：9

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