Monthly Archives: April 2011

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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It’s filamentary my dear Watson

Keith Day posted a great article about the light bulb based Femto Cell. If this had been posted on the 2nd of April rather than the first, and if he had used an LED rather than a compact flourescent lamp, … Continue reading

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