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Logistics / Indoor Asset Tracking

BLE Beacon RTLS: Indoor Asset Tracking for Warehouses and Commercial Sites

For a Dubai client we built a BLE beacon RTLS for indoor asset tracking: custom beacons, RSSI triangulation and fingerprinting, OTA updates and a dashboard. Completed by early 2025; asset search time fell about 70% (client-reported).

What we did: We designed the BLE beacon hardware and low-power firmware (3+ year coin-cell life as the design target), the RSSI triangulation and fingerprinting location engine, over-the-air firmware updates, API integration with the client's warehouse and asset-management software, and a web and mobile dashboard for live tracking and alerts.

Asset-tracking client, Dubai, UAE5 monthsTeam of 4

Published Last reviewed:

~70%
Less time searching for assets
Measured by client
3+ years
Beacon life on a coin cell
Design target
BLE
RSSI triangulation + fingerprinting
OTA
Remote beacon firmware updates
Illustrative photo: a coin-cell Bluetooth beacon tag on a warehouse trolleyIllustrative image

The Challenge

The client needed to find assets quickly inside large warehouses, offices and other commercial buildings, where GPS does not work. The system had to be accurate in dense, RF-noisy spaces, run beacons for years on small batteries, plug into existing warehouse and enterprise software, and stay affordable at large scale.

Indoor positioning in dense spaces

Racks, walls and people block and reflect radio signals, which makes indoor location estimates noisy.

Impact: Dense warehouse and office layouts

Years on a small battery

Large fleets of beacons cannot be recharged often, so each one had to run for years on a coin cell.

Impact: 3+ year battery-life goal

Fit existing software

Location data had to flow into the client's existing warehouse and enterprise asset-management systems.

Impact: API integration

RF interference

Wi-Fi, other Bluetooth devices and machinery crowd the 2.4 GHz band, so tracking had to stay reliable in RF noise.

Impact: Interference mitigation

Our Solution

We built a Bluetooth Low Energy real-time location system (RTLS). Custom beacons advertise from each asset, their received signal strength (RSSI) is measured, and a location engine combines triangulation with fingerprinting (matching live readings against a recorded signal map of the site) to estimate position. Firmware keeps the beacons in low-power states, and over-the-air updates let the client manage beacons remotely.

System Architecture

Beacons on assets, a location engine, and integration into the client's software.

Beacon hardware and firmware

  • Custom BLE beacon hardware with extended range
  • Low-power firmware; coin-cell powered
  • Over-the-air (OTA) firmware updates

Location engine

  • RSSI-based triangulation
  • Fingerprinting against a recorded site signal map

Software integration

  • API integration with warehouse and asset-management software
  • Web and mobile dashboard
  • Real-time tracking and alerts

Key Design Points

RadioBluetooth Low Energy
Positioning methodRSSI triangulation + fingerprinting
PowerCoin cell; 3+ years (design target)
UpdatesOver-the-air firmware
IntegrationAPI to WMS / asset software

What We Delivered

  • Custom BLE beacon hardware
  • Low-power beacon firmware
  • RSSI triangulation and fingerprinting algorithms
  • OTA firmware update path for remote beacon management
  • API integration with enterprise asset software
  • Web and mobile dashboard with alerts

Outcome

The system was tested in several industrial environments and integrated with the client's enterprise software. The client reported that staff spent about 70% less time searching for assets. The 3+ year beacon battery life is a design target. We do not publish a positioning-accuracy figure because no test protocol for it is on record.

How to read the labels: Measured by client = measured by the client's own team in operation; Design target = an engineering target, not a field measurement.

Asset search time

Measured by client

~70% lower

Reported by the client

Beacon battery life

Design target

3+ years

On a coin cell

Software integration

API

Connected to existing warehouse and enterprise asset software

Design duration

5 months

Team of 4

Technologies Used

Bluetooth Low EnergyBLE beaconsRSSI triangulationRF fingerprintingOTA firmware updatesRTLSAPI integrationWeb dashboardMobile app

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