Indoor Asset Tracking
Our outdoor strengths open new indoor possibilities
Tracking mobile assets indoors is hard for cellular networks. Bluetooth solutions offer crude location capability with limited range and feature set. For mobile assets that move through difficult indoor environments or migrate between indoor and outdoor environments, Haystack offers an unmatched combination of RF signal propagation over LoRa using XR2 error correction along with a DASH7 feature set that offers maximum flexibility in designing a location solution that fits your business requirements.
Like our outdoor mobile asset tracking capabilities, Haystack enables real-time, on-demand location features that minimize power draw and offer location precision to just a few meters in indoor environments. Received Signal Strength Indicators (RSSI) form the backbone of our indoor location methodology, but time-based (TDOA) approaches are also available. And like outdoor asset tracking, Haystack offers low-power indoor geofencing capabilities.
No fancy antenna arrays, no “hacking” indoor location with WiFi, and no overpriced “readers” that nuke your budget: Haystack’s capabilities for indoor location are the simplest, most cost effective, and most versatile of any LPWAN technology in the marketplace.
Real-time, Low Power Indoor Location
• Haystack utilizes the strength of wireless signals, aka Received Signal Strength Indicators, to compute the location of mobile assets without the use of GNSS/GPS. We use trilateration to compute the geometric location of vertices in a polygon, resulting in high precision indoor location up to 1 meter.
• In most cases, we recommend fixed reference nodes to assist in the trilateration computation. The greater the number of fixed reference nodes in a location, the higher the location precision. Similarly, as assets go into motion additional vertices are created allowing for further location granularity.
• Multicast query and peer-to-peer networking determines relative signal strength between mobile endpoint and reference nodes. Single query
• Haystack gateways multicast A-GPS datagrams to nearby endpoints
• Location acquisition time is usually ~2-3 seconds with ~3 meters accuracy