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Orthogonal space–time block codes for free-space IM/DD optical links

Premaratne, M. and Zheng, F.-C. (2007) Orthogonal space–time block codes for free-space IM/DD optical links. Electronics Letters, 43 (15). pp. 822-823. ISSN 0013-5194

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To link to this item DOI: 10.1049/el:20073712


Use of orthogonal space-time block codes (STBCs) with multiple transmitters and receivers can improve signal quality. However, in optical intensity modulated signals, output of the transmitter is non-negative and hence standard orthogonal STBC schemes need to be modified. A generalised framework for applying orthogonal STBCs for free-space IM/DD optical links is presented.

Item Type:Article
ID Code:18703
Uncontrolled Keywords:free-space IM-DD optical links, intensity modulation-direct detection, optical intensity modulated signals, orthogonal space-time block codes schemes, signal quality
Publisher:Institution of Engineering and Technology (IET)

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