Techniques for enhancing baud rate in light-based communication
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United States of America Patent
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Sep 12, 2017
Grant Date -
Oct 1, 2015
app pub date -
Dec 18, 2014
filing date -
Mar 25, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques are disclosed for coding light-based communication (LCom) data in a manner that allows for detection thereof, for example, via a standard low-speed (e.g., 30 frames per second) smartphone camera. In accordance with some embodiments, the disclosed techniques can be used, for example, in encoding and decoding LCom data in a manner that: (1) prevents or otherwise minimizes perceivable flicker of the light output by a transmitting LCom-enabled luminaire; and/or (2) avoids or otherwise reduces a need for additional, specialized receiver hardware at the receiver computing device including the camera. In some cases, the disclosed techniques can be used, for example, to enhance the baud rate between a transmitting LCom-enabled luminaire and a receiver device.
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International Classification(s)
- H04N:PICTORIAL COMMUNICATION, e.g. TELEVISION
- G06T:IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- H04B:TRANSMISSION
- G01C:MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING....
- G01S:RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMI....
- H04J:MULTIPLEX COMMUNICATION
- G06K:RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD ....
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