Introduction to Optical Wireless communicaitons - Northumbria ...

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Issue 2: Artificial Light Interference (ALI) Optical power spectra of common ambient infrared sources. Spectra have been scaled to have the same maximum value.
ALI-Possible Solutions Differential receiver 1 Differential optical filtering 2 Electrical high pass filter 3,4 Polarisers 5 Angle diversity receiver 6,7 Discrete wavelet transform based denoising 8,9 1 J. R. Barry, PhD Dissertation, University of California at Berkeley, 1992 2 A.J.C Moreira, R. T. Valadas, A. M. De Oliveira Duarte, Optical Free Space Communication Links, IEE Colloquium on , vol., no., pp.5/1-510, 19 Feb 1996. 3 R. Narasimhan, M. D. Audeh, and J. M. Kahn, IEE Proceedings - Optoelectronics, vol. 143, pp. 347-354, 1996. 4 A. R. Hayes, Z. Ghassemlooy , N. L. Seed, and R. McLaughlin, IEE Proceedings - Optoelectronics vol. 147, pp. 295- 300, 2000. 5 S. Lee, Microwave and Optical Technology Letters, vol. 40, pp. 228-230, 2004. 6 R. T. Valadas, A. M. R. Tavares, and A. M. Duarte, International Journal of Wireless Information Networks, vol. 4, pp. 275-288, 1997 . 7 J. M. Kahn, P. Djahani, A. G. Weisbin, K. T. Beh, A. P. Tang, and R. You, IEEE Communications Magazine, vol. 36, pp. 88-94, 1998. 8 S. Rajbhandari; Z. Ghassemlooy; and M. Angelova, IJEEE, Vol. 5, no. 2 ,pp102-111. 2009. 9 S. Rajbhandari; Z. Ghassemlooy; and M. Angelova, Journal of Lightwave Technology, on print.
Page 1 and 2: Free space optics (Optical Wireless
Page 3 and 4: History of OWC 800BC Fire beacons (
Page 5 and 6: RF Bandwidth Congestions
Page 7 and 8: OWC: Overview • light beams (visi
Page 9 and 10: Comparison with RF Property Radio I
Page 11 and 12: Applications Send signal Send and r
Page 13 and 14: OWC- Applications Other application
Page 15 and 16: Classification of Indoor OWC Links
Page 17 and 18: Diffuse Links Tx Rx Use multiple r
Page 19 and 20: Propagation types and definitions D
Page 21 and 22: LOS/WLOS link margin analysis The c
Page 23 and 24: Safety Classifications - Point Sour
Page 25: Eye- safety- Possible Solutions Ad
Page 29 and 30: Channel Model and Performance witho
Page 31 and 32: Long Distance Systems

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