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Comparison of LED illumination patterns for camera based car to car communications | IEEE Conference Publication | IEEE Xplore

Comparison of LED illumination patterns for camera based car to car communications


Abstract:

In this paper a comparison between a spiral and a strip shaped LED is presented in terms of the maximum link distance achievable in visible light based car to car communi...Show More

Abstract:

In this paper a comparison between a spiral and a strip shaped LED is presented in terms of the maximum link distance achievable in visible light based car to car communications (VLC-C2C). The transmitted data is recovered from the frame brightness of the video signal. The intensity modulated LED is captured from two scenarios, using a focused and unfocused camera. A data rate of 180 bps with the bit error rate performance below the FEC limit of 10-3 at a distance of 100 cm is successfully achieved, sufficient for transmitting road safety messages for VLC-C2C. It is shown that under the same conditions, the strip LED can effectively recover the data from a greater distance than its spiral counterpart.
Date of Conference: 20-22 July 2016
Date Added to IEEE Xplore: 22 September 2016
ISBN Information:
Conference Location: Prague, Czech Republic

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