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http://hdl.handle.net/10071/12986
Title: | Inter-ring band-transfer limited by laser wavelength drift in DD MB-OFDM metro networks |
Authors: | Soeiro, R. O. J. Alves, T. M. F. Cartaxo, A. V. T. |
Keywords: | Direct detection (DD) Inter-ring band-transfer Laser wavelength drift Multi-band Metropolitan networks Orthogonal frequency division multiplexing Single sideband Virtual carrier (VC) |
Issue Date: | 2016 |
Publisher: | IEEE Photonics Society |
Abstract: | The performance of a virtual carrier assisted direct-detection single sideband (SSB) multiband (MB) orthogonal frequency division multiplexing (OFDM) metropolitan network impaired by the inter-ring OFDM band-transfer and laser wavelength drift effects is assessed numerically. A 42.8-Gbit/s three-band and a 57.07-Gbit/s four-band SSB-MB-OFDM signal, both with a band spacing of 6.25 GHz, are considered. In order to assess the system resiliency against the inter-ring band-transfer and laser wavelength drift effects, 16-quadrature-amplitude modulation (QAM) and 32-QAM are employed. It is shown that, considering only the impairments related with the inter-ring band-transfer, i.e., neglecting the laser wavelength drift, and using band-selectors with similar -3 dB bandwidths to realize inter-ring band-transfer, a maximum of 4 and 12 band-transfers are achieved with an optical signal-to-noise ratio (OSNR) penalty not exceeding 1 dB, for 16-QAM and 32-QAM, respectively. When the inter-ring band-transfer and laser wavelength drift effects are considered together, the frequency drift ranges leading to an OSNR penalty not exceeding 1 dB, when one band-transfer is considered, are between -400 and 200 MHz, and between -500 and 500 MHz, for the transferred band, adopting 16-QAM and 32-QAM, respectively. The frequency drift ranges are reduced to between -100 and 100 MHz, and between -200 and 200 MHz for four band-transfers, adopting 16-QAM and 32-QAM, respectively. |
Peer reviewed: | yes |
URI: | http://hdl.handle.net/10071/12986 |
DOI: | 10.1109/JLT.2016.2539822 |
ISSN: | 0733-8724 |
Ciência-IUL: | https://ciencia.iscte-iul.pt/id/ci-pub-34545 |
Accession number: | WOS:000375716100013 |
Appears in Collections: | IT-RI - Artigo em revista internacional com arbitragem científica |
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