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Experimental demonstration of a statistical OFDM-PON with multiband ONUs and elastic bandwidth allocation

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10.1364/JOCN.7.000A73
 
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Cano Valadéz, Iván Nicolás
Escayola Elias, Francisco Javier
Schindler, Philipp C.
Santos Blanco, M. ConcepciónMés informacióMés informacióMés informació
Polo Querol, VíctorMés informacióMés informació
Leuthold, Juerg
Tomkos, Ioannis
Prat Gomà, Josep JoanMés informacióMés informacióMés informació
Document typeArticle
Defense date2015-01-01
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
The statistical orthogonal frequency division multiplexing passive optical network (OFDM-PON) concept with multiband optical network units (ONUs) is experimentally tested with two users and an optical line terminal at 2.5/5 Gb/s total effective capacity with binary phase-shift keying (BPSK)/quadrature phase-shift keying (QPSK) modulation. Both downstream and uplink were measured based on intensity modulation and direct detection. The ONUs consisted of local nonpreselected wavelength distributed feedback laser sources centrally controlled to reduce overlapping probability. In addition, a radio-frequency mixing stage in the ONUs up/downconverts the user data to/from the OFDM signal, reducing the computational effort. Compared with ONUs processing the whole signal, the multiband approach presents comparable results with almost symmetrical power budgets of around 25 and 20 dB with BPSK and QPSK, respectively, which could increase up to 4.5 dB by allocating a spectral guard interval between the optical carrier and the OFDM data. Furthermore, elastic bandwidth allocation is explored, which is shown to compensate for up to 18 dB differential link loss.
CitationCano, I., Escayola, F., Schindler, P.C., Santos, M., Polo, V., Leuthold, J., Tomkos, I., Prat, J. Experimental demonstration of a statistical OFDM-PON with multiband ONUs and elastic bandwidth allocation. "Journal of optical communications and networking", 01 Gener 2015, vol. 7, núm. 1, p. A73-A79. 
URIhttp://hdl.handle.net/2117/78250
DOI10.1364/JOCN.7.000A73
ISSN1943-0620
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  • Departament de Teoria del Senyal i Comunicacions - Articles de revista [2.395]
  • GCO - Grup de Comunicacions Òptiques - Articles de revista [218]
  • RF&MW - Grup de Recerca de Sistemes, Dispositius i Materials de RF i Microones - Articles de revista [200]
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