Multilevel Modulated Signal Transmission Over Serial Single-Mode and Multimode Fiber Links Using Vertical-Cavity Surface-Emitting Lasers for Millimeter-Wave Wireless Communications

Quadrature phase-shift keying, 16 quadrature amplitude modulation (QAM), and 64-QAM data transmission - Worldwide Interoperability for Microwave Access modulation schemes - at 6 and 20 MS/s is demonstrated for a link that emulates a cost-effective 1.55 mum vertical-cavity surface-emitting laser base...

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Veröffentlicht in:	IEEE transactions on microwave theory and techniques 2007-06, Vol.55 (6), p.1219-1228
Hauptverfasser:	Nkansah, A., Das, A., Gomes, N.J., Pengbo Shen
Format:	Artikel
Sprache:	eng
Schlagworte:	Antennas Applied sciences Circuit properties Data communication Data transmission Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Fiber lasers Fibers Links Masers Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Microwaves Millimeter-wave communications Multilevel Offices Optical fiber communication Oscillators, resonators, synthetizers Phase modulation Phase shift keying picocellular systems Quadrature amplitude modulation radio over fiber system Radiocommunications Signal transmission Surface emitting lasers Telecommunications Telecommunications and information theory Vertical cavity surface emission lasers Vertical cavity surface emitting lasers vertical-cavity surface-emitting laser (VCSEL) Wireless communication Worldwide Interoperability for Microwave Access (WiMAX)
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Zusammenfassung:	Quadrature phase-shift keying, 16 quadrature amplitude modulation (QAM), and 64-QAM data transmission - Worldwide Interoperability for Microwave Access modulation schemes - at 6 and 20 MS/s is demonstrated for a link that emulates a cost-effective 1.55 mum vertical-cavity surface-emitting laser based radio over fiber millimeter-wave indoor picocellular system. The system consists of a concatenation of 20-km single-mode fiber and 300-m multimode fiber links between a central office and remote antenna unit and employs remote 30-GHz local oscillator delivery. Successful transmission over both optical and wireless paths is achieved with good error vector magnitude performance recorded for both uplink and downlink. The performance is compared to other demonstrations of multilevel signal transmission in millimeter-wave over fiber systems.
ISSN:	0018-9480 1557-9670
DOI:	10.1109/TMTT.2007.897728