Invention Grant
US09594152B2 System and method for estimating the position and orientation of a mobile communications device in a beacon-based positioning system 有权
用于估计基于信标的定位系统中的移动通信设备的位置和方向的系统和方法

System and method for estimating the position and orientation of a mobile communications device in a beacon-based positioning system
Abstract:
An example of a lighting device including a light source, a modulator and a processor. The processor is configured to control the light source to emit light for general illumination and control the modulator to modulate the intensity of the emitted light to superimpose at least two sinusoids. Frequencies of the at least two sinusoids enable a mobile device to infer the physical location of the lighting device.
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