Nonlinearity Modelling and Mitigation for LED Communications

In recent years, light-emitting diodes (LEDs) technology, known as “Green Illumination”, is growing rapidly. LED communications, or visible light communications is a promising field and is getting more and more research focus. LED is the major source of nonlinearity in LED communications, and the nonlinearity needs to be modelled effectively and thereby mitigated through pre-distortion or post-distortion to avoid severe degradation of communication performance.