Abstract: In the near future, i.e., beyond 4G, some of the prime objectives or demands that need to be addressed are increased capacity, improved data rate, decreased latency, and better quality of ...

Abstract: This paper provides an overview of the most significant existing methods for indoor positioning on a contemporary smartphone. The approaches include Wi-Fi and Bluetooth based positioning, ...

Ray casting is a popular graphic rendering techniques in the 90s, used to render semi-3D worlds in many games. These repository contain demos for the ray-casting tutorials at permadi.com.