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Genetic algorithm optimisation of the SNR for indoor optical wireless communication systems
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Higgins, Matthew D., Green, Roger, Leeson, Mark S. and Hines, Evor (2010) Genetic algorithm optimisation of the SNR for indoor optical wireless communication systems. In: 12th International Conference on Transparent Optical Networks (ICTON), 2010, Munich, Germany, June 27 - July 1, 2010. Published in: Transparent Optical Networks (ICTON), 2010 12th International Conference on pp. 1-4. doi:10.1109/ICTON.2010.5549014
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Official URL: http://dx.doi.org/10.1109/ICTON.2010.5549014
Abstract
A genetic algorithm controlled multispot transmitter is proposed as an alternative approach to optimising the SNR for single element receivers in fully diffuse mobile indoor optical wireless communication systems. Results are presented that show by dynamically controlling the powers of individual diffusing spots, a consistent SNR distribution can be created in a deployment environment, independent of the room illumination sources, reflection characteristics and user movement patterns. The advantageous adaptability of the genetic algorithm approach removes the need for bespoke system design and provides a more cost effective system, capable of deployment in multiple locations, whilst improving end user friendliness. The case study scenarios considered in this paper are based around the use of a single element receiver with a FOV = 55° in two non-identically illuminated rooms. A genetic algorithm is then utilised to show the concepts capability to reduce the dynamic range of the SNR, referenced against the peak SNR, by up to 13% when empty. Furthermore, the algorithm is then shown to be capable of reducing the user movement induced SNR perturbation by up to 11%, and maintaining to within 21% of this optimised case, the SNR distribution.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Journal or Publication Title: | Transparent Optical Networks (ICTON), 2010 12th International Conference on | ||||
| Publisher: | Institute of Electrical and Electronics Engineers | ||||
| Book Title: | 2010 12th International Conference on Transparent Optical Networks | ||||
| Official Date: | 2010 | ||||
| Dates: |
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| Page Range: | pp. 1-4 | ||||
| DOI: | 10.1109/ICTON.2010.5549014 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | 12th International Conference on Transparent Optical Networks (ICTON), 2010 | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Munich, Germany | ||||
| Date(s) of Event: | June 27 - July 1, 2010 |
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