Abstract
A simulation model for characterizing the geometry of infrared communication cells representing full connectivity has been developed. Measured spatial daylight distributions in a large open-plan office have been incorporated into the model. With a 1 Mbps transmission system based on 16-slot pulse-position modulation and a non-directed infrared source of 250 mW average optical power, cell sizes of up to 10 m and 20 m diameter can be achieved for peer-to-peer and client/server topologies, respectively. Daylight variations cause severe distortions and size reductions of the cells. A transmission system with adaptive data rate control (10 kbps to 10 Mbps) maintains full network connectivity within the cells at the expense of a graceful throughput degradation for terminals exposed to high levels of ambient light.
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References
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© 1994 Springer-Verlag Berlin Heidelberg
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Gfeller, F.R., Bernasconi, P., Hirt, W., Elisii, C., Weiss, B. (1994). Dynamic cell planning for wireless infrared in-house data transmission. In: Günther, C.G. (eds) Mobile Communications Advanced Systems and Components. IZS 1994. Lecture Notes in Computer Science, vol 783. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-57856-0_25
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DOI: https://doi.org/10.1007/3-540-57856-0_25
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