# Position Tracking for Virtual Reality Using Commodity WiFi

## TL;DR

WiCapture is a novel WiFi-based system that enables precise, range-resistant, and ubiquitous position tracking for virtual reality using commodity WiFi hardware, eliminating the need for specialized infrastructure.

## Contribution

This paper introduces WiCapture, the first WiFi-based VR position tracking system that achieves high accuracy with off-the-shelf hardware, surpassing existing 3-DoF solutions.

## Key findings

- Achieves 0.88 cm accuracy in position tracking
- Uses commodity WiFi radios for tracking
- Offers high range and resistance to occlusion

## Abstract

Today, experiencing virtual reality (VR) is a cumbersome experience which either requires dedicated infrastructure like infrared cameras to track the headset and hand-motion controllers (e.g., Oculus Rift, HTC Vive), or provides only 3-DoF (Degrees of Freedom) tracking which severely limits the user experience (e.g., Samsung Gear). To truly enable VR everywhere, we need position tracking to be available as a ubiquitous service. This paper presents WiCapture, a novel approach which leverages commodity WiFi infrastructure, which is ubiquitous today, for tracking purposes. We prototype WiCapture using off-the-shelf WiFi radios and show that it achieves an accuracy of 0.88 cm compared to sophisticated infrared based tracking systems like the Oculus, while providing much higher range, resistance to occlusion, ubiquity and ease of deployment.