HTC has been experimenting with some new features in a recent SteamVR beta update which allows up to 16 SteamVR Tracking 2.0 base stations to be linked together to form a continuous tracking volume.
Lighthouse is Valve’s laser-based tracking system that forms the bedrock of Steam VR’s input system. Alan Yates, Hardware Engineer at Valve was a key player in the system’s design and implementation.