Ikea’s popular Varmblixt lamp just got a smart home glow-up. The delightfully bulbous light now features color-changing, ...

Abstract: The escalating demand for indoor location-based services has propelled advancements in indoor positioning technologies in which visible light positioning (VLP) standing out for its accuracy ...

Abstract: White LED offers advantageous properties such as high brightness, reliability, lower power consumption and long lifetime. White LEDs are expected to serve in the next generation of lamps. An ...