Real-time location system is the technology framework that continuously estimates and reports the location of lots, carriers, and material assets inside the fab - it reduces search latency and improves flow-control decisions.

What Is Real-time location system?

• Definition: RTLS infrastructure using sensors, tags, and positioning algorithms for live asset tracking.
• Tracking Granularity: Can provide zone-level, aisle-level, or exact interface-point location depending on design.
• Data Integration: Feeds MES, dispatch systems, and logistics dashboards.
• Signal Technologies: May use RFID, infrared, Wi-Fi, UWB, or hybrid location methods.

Why Real-time location system Matters

• Search Elimination: Reduces non-value time spent locating lots and carriers.
• Dispatch Accuracy: Improves routing decisions with current location awareness.
• Cycle-Time Control: Faster lot discovery and movement coordination shortens waiting periods.
• Exception Management: Speeds response to stuck, misplaced, or delayed carriers.
• Operational Transparency: Provides actionable visibility for logistics and production coordination.

How It Is Used in Practice

• Coverage Design: Deploy sensors and readers to eliminate location blind spots.
• System Coupling: Integrate RTLS events with AMHS and MES for closed-loop dispatch.
• Performance Monitoring: Track location accuracy, latency, and unresolved-location event rates.

Real-time location system is a high-impact logistics visibility tool for fabs - accurate live location data improves dispatch quality, reduces delays, and strengthens control over material flow execution.