Cellular Triangulation, GNSS Positioning & Telematics Security
Technical whitepapers, RF propagation physics, SS7 signaling defense audits, and enterprise MDM fleet management resources.
Mobile OS Location Permission Lifecycles: iOS Precise Location vs. Android Coarse Geolocation Tokens
How modern mobile operating systems protect location privacy: Apple iOS Precise Location toggles, Android 12 Approximate Location, and background tracking rate-limits.
Read Whitepaper โSpatial EngineeringInertial Navigation Systems (INS): Accelerometer, Gyroscope IMUs & Extended Kalman Filtering
Overcoming GPS signal loss in tunnels and urban canyons: 6-DoF MEMS inertial measurement units, sensor drift integration, and Kalman sensor fusion algorithms.
Read Whitepaper โEnterprise MDMEnterprise Mobile Device Management (MDM): Apple Business Manager & Android Enterprise Zero-Touch Enrolment
Architecting corporate device fleet visibility: supervising iOS devices via MDM profiles, Android Work Profiles, lost mode commands, and battery-optimized background location reporting.
Read Whitepaper โNetwork SecurityIMSI-Catcher & StingRay Countermeasures: Detecting Rogue Base Stations & 2G GSM Downgrade Attacks
Analyzing cellular surveillance hardware: fake BTS towers, force-downgrade attacks from LTE/5G to unencrypted 2G A5/0 ciphers, and mobile sensor detection heuristics.
Read Whitepaper โCellular PositioningEmergency E911 Phase II Compliance: FCC Wireless Location Accuracy Mandates & Z-Axis Altitude
How emergency dispatches pinpoint wireless 911 callers: FCC mandates for horizontal accuracy (within 50 meters) and barometric vertical Z-axis elevation (within 3 meters).
Read Whitepaper โNetwork SecuritySS7 & Diameter Protocol Vulnerabilities: Telecommunications Core Routing & Location Privacy
Deep dive into Signaling System No. 7: how SendRoutingInfoForSM (SRI-SM) and ProvideSubscriberInfo (PSI) messages expose mobile subscriber location globally.
Read Whitepaper โCellular PositioningSIM Card OTA Architecture: Remote USIM Applet Updates, eSIM Profiles & Clone Detection
How Universal Integrated Circuit Cards (UICC) work: Over-the-Air (OTA) SMS-PP commands, Java Card applet execution, eSIM GSMA RSP specifications, and SIM-swap detection.
Read Whitepaper โGNSS & SatelliteMulti-GNSS Positioning: GPS, GLONASS, Galileo & BeiDou Ephemeris Corrections & Dilution of Precision
Analyzing Global Navigation Satellite Systems: dual-frequency L1/L5 receivers, orbital almanacs, ionospheric delay compensation, and HDOP/VDOP metrics.
Read Whitepaper โBLE & IoTBluetooth Low Energy (BLE) Micro-Location: iBeacon Ranging, AoA/AoD Angle Estimation & Proximity Triggers
Understanding Bluetooth 5.1 direction finding: RSSI path loss formulas, Eddystone TLM frames, Angle of Arrival (AoA) antenna arrays, and sub-meter positioning.
Read Whitepaper โCellular PositioningCellular Network Triangulation: Timing Advance, RSSI Signal Attenuation & Hyperbolic Multilateration
How cellular base stations calculate mobile handset positions: Timing Advance (TA) measurements, Received Signal Strength Indicator (RSSI), and Time Difference of Arrival (TDoA).
Read Whitepaper โIndoor NavigationWi-Fi BSSID Geolocation & Indoor Fingerprinting: RSSI Signal Heatmapping vs. Pedestrian Dead Reckoning
How indoor navigation works without GPS: crowdsourced 802.11 access point BSSID databases, log-distance path loss modeling, and inertial sensor fusion.
Read Whitepaper โSpatial EngineeringGeofencing Engine Architecture: Circular Radius vs. Polygonal Polygons via Uber H3 & S2 Spatial Indexing
Building high-performance spatial trigger engines: comparing Point-in-Polygon (Ray Casting) algorithms against hierarchical hexagonal spatial index grids (H3/S2).
Read Whitepaper โ