Abstract
This paper studies the optimised Lambertian order (OLO) of light-emitting diodes (LEDs) for an indoor non-directed line of sight optical wireless communication (NLOS-OWC) systems. We firstly derive an expression of the OLO from a conventional Lambertian LED model, Then, we analyse the indoor multi-cell NLOS-OWC channel characteristics including optical power distribution and multipath time dispersion for two cases of one-cell and four-cell configurations. Furthermore, we estimate the transmission bandwidth by simulating the channel frequency response. Numerical results show that, by using OLO a significant improvement of the transmission bandwidth can be achieved for in indoor NLOS-OWC systems, in particular, for multi-cell configurations.
| Original language | English |
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| Publication status | Published - 2012 |
| Event | ICCC 2012:First IEEE International Conference on Communication in China - Beijing, China Duration: 1 Jan 2012 → … |
Conference
| Conference | ICCC 2012:First IEEE International Conference on Communication in China |
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| Period | 1/01/12 → … |