Digital Filter Multiple Access PONs With DSP-Enabled Software Reconfigurability

Bolea, M. and Giddings, R.P. and Bouich, M. and Aupetit-Berthelemot, C. and Tang, J.M. (2015) Digital Filter Multiple Access PONs With DSP-Enabled Software Reconfigurability. JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING, 7 (4). pp. 215-222. DOI: 10.1364/JOCN.7.000215

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Digital filter multiple access (DFMA) passive optical networks (PONs) are, for the first time to our knowledge, proposed and extensively investigated, where digital signal processing (DSP)-enabled, software-reconfigurable, digital orthogonal filtering is employed in each individual optical network unit (ONU) and the optical line terminal to enable all ONUs to dynamically share the transmission medium under the control of the centralized software-defined controller and the transceiver-embedded DSP controllers. The DFMA PONs fully support software-defined networking with the network control further extended to the physical layer. As digital filtering is the fundamental process at the heart of the proposed DFMA PONs, the filtering-induced tradeoffs among upstream transmission capacity, filter design flexibility, and filter DSP complexity are examined, based on which optimum filter design guidelines are identified for various application scenarios. Furthermore, the performance characteristics of theDFMA PONs are also numerically explored in terms of maximum achievable upstream transmission capacity, differential ONU launch power dynamic range, and ONU count-dependent minimum received optical power.

Item Type: Article
Subjects: Research Publications
Departments: College of Physical and Applied Sciences > School of Electronic Engineering
Date Deposited: 30 May 2015 02:36
Last Modified: 23 Sep 2015 02:47
ISSN: 1943-0620
URI: http://e.bangor.ac.uk/id/eprint/4610
Identification Number: DOI: 10.1364/JOCN.7.000215
Publisher: IEEE publishing
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