Case Studies
Turning Legacy Trains into Connected Assets with Secure IoT Data Integration
Combining industrial IoT hardware, SACEM data collection, secure transmission and intelligent event analysis to unlock the operational data inside legacy transport assets.
GNS Engineering Team · 1 min readSecuring 100M+ Daily Train Logs with Multi-Layer Railway Data Protection
How GNS protects more than 100 million train logs per day with private APN LTE, AES-256 VPN encryption and secure cloud architecture — while keeping real-time analytics running.
GNS Engineering Team · 1 min readBringing Real-Time Train Monitoring to Legacy Rolling Stock with IoT LTE
GNS designed dedicated IoT LTE hardware that connects legacy trains without wireless connectivity to SACEM systems and enables secure, real-time train-log transmission.
GNS Engineering Team · 1 min readKeeping MTR Workshops Running: Hybrid Cloud + On-Premise Failover
A hybrid cloud disaster-recovery architecture for 24/7 railway workshops — automatic failover, industrial-grade Wi-Fi and end-to-end infrastructure deployment by GNS.
GNS Engineering Team · 1 min readBuilding a Digital Maintenance Brain for MTR Workshops
How GNS deployed a large-scale Maintenance Management System (MMS) for MTR workshop operations — real-time collaboration, preventive maintenance and precise parts tracking for a 100-person team.
GNS Engineering Team · 2 min readAI video analytics for railway: forecasting safe train operation with reinforcement learning
How GNS combined SACEM datalogger data and HKO open weather data to predict allowable train operation times — targeting 80–90% accuracy within ±15 minutes.
Anson Ng · 2 min readPrivacy-preserving area monitoring with 3D cameras
A 3D camera solution that records only depth maps — no optical images — covering 60 × 60 m with under 10% dimension error, for people counting, vehicle classification and package measurement.
GNS Engineering Team · 1 min read