Author Archives: gordonpovey

World Health Organization announcement; a driver for VLC?

The World Health Organization’s International Agency for Research on Cancer, in a press release on 31st May 2011, officially classified “radiofrequency electromagnetic fields as possibly carcinogenic to humans”.  The question in my mind is; will this help encourage the adoption … Continue reading

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Visible Light Communications opportunity equals 10,000!

The answer to life, the universe and everything might be 42, but I will use some “pseudo mathematics” in this post to show that the VLC opportunity equates to 10,000! Here we go, There are approximately 1.4 million cellular base … Continue reading

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Google’s Android @Home developers and smart lighting.

Google’s developers could soon create smart lighting applications using the Android @Home platform. The recent Google I/O’11 conference in San Francisco had some interesting announcements around home automation based on the launch of Android @ Home open source hardware and … Continue reading

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TED puts Visible Light Communications in the spotlight

For those unfamiliar with TED, TED stands for Technology, Entertainment and Design although it has evolved to become much more than this.  The strap line is “Ideas Worth Spreading” and it is about just that; inspirational speakers spreading the word … Continue reading

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Could Europe’s call to ban WiFi in schools be a boost for VLC?

The Council of Europe, based in Strasbourg, is calling for a ban on mobile phones and WiFi in schools after examining evidence that wireless technologies had ‘potentially harmful’ effects on humans.  A major study found that the electromagnetic radiation generated … Continue reading

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Obama helps fuel demand for Visible Light Communications.

US President Barack Obama is fuelling the drive for VLC through a number of initiatives and funding packages.  He made energy efficiency a priority within months of being elected as president and acknowledged that simply changing a light bulb with … Continue reading

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VLC versus WiFi (complementary or competitors?)

I thought it interesting to making some comparisons between a VLC system a WiFi system.  This comparison implies that VLC and WiFi are competitors in this space, although this may prove not to be the case. In marketing we often … Continue reading

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Visible Light Communications with Powerline Communications

Visible Light Communications (VLC) and Powerline Communications (PLC) are two interesting communication technologies that have potential synergies.  Over the past couple of years PLC through the HomePlug standard has emerged as a reliable wired Ethernet alternative.  The advantages over CAT … Continue reading

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An IEEE Standard for Visible Light Communications

Late last year the IEEE802.15.7 draft standard for VLC [1] was produced.  This standard covers both the physical layer (PHY) air interface and the medium-access control (MAC). We might consider the MAC layer in more detail in later articles but … Continue reading

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Top 10 Visible Light Communications Applications

There are many applications for VLC and here are my top 10 applications areas.  In later blogs I will consider certain applications in a little more detail. 1. SMART LIGHTING Smart buildings require smart lighting. Smart lighting with VLC provides … Continue reading

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