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Journal article

MIMO-OFDM WDM PON with DM-VCSEL for femtocells application

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Metro-Access and Short Range Systems, Department of Photonics Engineering, Technical University of Denmark1

Department of Photonics Engineering, Technical University of Denmark2

Technical University of Denmark3

We report on experimental demonstration of 2x2 MIMO-OFDM 5.6-GHz radio over fiber signaling over 20 km WDM-PON with directly modulated (DM) VCSELs for femtocells application. MIMO-OFDM algorithms effectively compensate for impairments in the wireless link. Error-free signal demodulation of 64 subcarrier 4-QAM signals modulated at 198.5 Mb/s net data rate is achieved after fiber and 2 m indoor wireless transmission.

We report BER of 7x10−3 at the receiver for 16-QAM signals modulated at 397 Mb/s after 1 m of wireless transmission. Performance dependence on different wireless transmission path lengths, antenna separation, and number of subcarriers have been investigated.

Language: English
Year: 2011
Pages: B537-42
ISSN: 10944087
Types: Journal article
DOI: 10.1364/OE.19.00B537
ORCIDs: Tafur Monroy, Idelfonso

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