Indoor communication and positioning are significant fields of applications for indoor Internet
of Things (IoT) given the rapid growth of IoT in smart cities, smart grids, and smart industries …

There is a growing demand for indoor positioning systems (IPSs) in a wide range of
applications. However, traditional solutions such as GPS face many technical challenges. In …

Visible light positioning (VLP) is playing a critical role in delivering better location-based
services. However, traditional VLP systems rely on line-of-sight (LOS) paths and have a …

Traditional optical positioning techniques employing visible light signals or infrared light
signals require line-of-sight links between transmitters and receivers. The wireless …

The coordinates of beacon light-emitting diodes (LEDs) are assumed as known prior
information in most visible light positioning (VLP) systems. However, such an assumption …

Photodiode-based visible light positioning (VLP) systems can achieve centimeter-level
accuracy, high positioning frequency, and low signal processing complexity. Thus they can …

Optical positioning techniques have inherent ad-vantages such as high precision, low power
consuming and immunity to the electromagnetic interference. However, it is challenging to …

Multipath causes interferences to the optical receivers and reduces the accuracy of visible
light positioning (VLP). The existing works mainly focused on the simulation analysis of the …

Due to factors such as indoor multipath effects and noise, the positioning signal becomes
unstable, posing a challenge for visible light positioning systems relying on a single …

Existing visible light positioning systems suffer from high computational complexity or cannot
output rotation estimation results, making it difficult to support indoor navigation. This paper …