Mr. Klaus Hagedorn Profile

Klaus Hagedorn

at Univ Duisburg-Essen

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Proceedings Article | 1 September 2004 Paper

Heterogeneous wireless/wireline optical access networks with the R-EAT as backend component

Klaus Hagedorn, Ralf Gindera, Andreas Stohr, Dieter Jager

Proceedings Volume 5466, (2004) https://doi.org/10.1117/12.548960

KEYWORDS: Transceivers, Optical networks, Modulation, Analog electronics, Channel projecting optics, Modulators, Optical fibers, Fiber optics, Transmittance, Local area networks

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A heterogeneous wireless/wireline optical transmission link using a reflection type electroabsorption transceiver (R-EAT) is presented. Simultaneous transmission of full-duplex broadband wireless LAN (WLAN) channels and 1Gb/s base band data is experimentally demonstrated. The system link employs sub-carrier multiplexing (SCM) and two optical channels for full duplex transmission of various analog WLAN channels and downlink digital base band data. The developed link architecture is suitable for simultaneous transmission of broadband wireline and wireless signals, it enables the coexistence and interoperability between wireline and wireless access technologies. The developed R-EAT component employed in this wireline/wireless access system, features "single-chip-component" base stations in access networks with star type topology where only a single optical fiber is used for bidirectional optical transmission. The R-EAT can be used within the optical C-band (1530- 1560nm) and is suitable for (D)WDM networks. Bit error rate measurements demonstrate the capabilities of the R-EAT for 1Gb/s base band transmission. The analog performance for WLAN transmission is characterised by a spurious free dynamic range (SFDR) of more than 75dB and 90dB for uplink and downlink transmission, respectively. The link gain for uplink and downlink transmission is -42dB and -37dB, respectively. The demonstrates the analog performances of the R-EAT for being used in wireless access networks such as W-LAN.

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