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IEEE Standard Reference Channel Models from CT&T

December 20th, 2015
LiFi channel models developed by CT&T Director Prof. Murat Uysal and PhD student Mr. Farshad Miramirkhani have been recognized as “reference channel models” for the ongoing development activities of the IEEE 802.15.7r standard.
A New Alternative Technology to WiFi
Optical wireless communications use visible light frequencies as an alternative to conventional radio frequency (RF) systems. The working principle of these systems, which are also known as LiFi, is the modulation of light emitting diodes (LED) which are widely used today for illumination, at very high frequencies without any adverse effects on human eye or the level of lighting. The dual use of LEDs for both illumination and wireless communication purposes is an energy efficient and sustainable technology which has the potential to revolutionize wireless industry dominated by RF products and devices.
International Standard for LiFi
IEEE, the international standardization institution which developed today’s widely used WiFi standard, has recently started working on this new technology. The IEEE 802.15.7r “Short-Range Optical Wireless Communication” Task Group has been formed to develop an international LiFi standard and bi-monthly group meetings are taking place since January 2015.
Reference Channel Models for LiFi 
Prof. Murat Uysal, a faculty member at Özyeğin University, renowned worldwide for his academic studies in the field of LiFi is also an active contributor to the IEEE’s standardization efforts. Prof. Murat Uysal in collaboration with his PhD student Farshad Miramirkhani have recently developed LiFi channel models for home, office and factory environments. The LiFi channels developed by Prof. Uysal and Mr. Miramirkhani were selected as the “LiFi Reference Channel Models” by the IEEE 802.15.7r Task Group during the IEEE’s latest meeting held in Bangkok, Thailand, in September. Accordingly, all companies, universities and research institutions are required to use these channel models as reference for their performance assessments and comparative analysis in the standardization proposals they will submit over the coming months. Prof. Uysal who was also elected as the Technical Editor of the IEEE 802.15.7r Task Group emphasized that the channel models developed by them are the most realistic models available in the literature and pointed out the significance of recognition and adoption of these models by the industry.
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