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Technologies

Ubudu supports most standard low power radio technologies BLE, UWB and LoRa to offer affordable solutions that best fit your requirements and environment.

Radio Technologies

Ubudu hybrid approach leveraging different radio technologies through the same system enables to adapt the solution to all use cases in different environments with the highest ROI.

Ultra Wide Band (UWB)

Uses a very low energy level for short impulses, wide-bandwidth that are immune to multi-path and interference to bring high accuracy.

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Best accuracy on the market (cm)
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Low power consumption
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Best reactivity (ms)
Bluetooth Low Energy (BLE)

Is used to provide considerably reduced power consumption and cost while maintaining a similar communication range than classic Bluetooth.

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Good accuracy (m)
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Very low power consumption
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Compatible with Smartphones and Tablets
LoRa / LoRaWan

Low Power, Wide Area (LPWA) networking protocol designed to wirelessly connect battery operated ‘things’ to the internet with very long range.

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Up to 2000m range
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Low power consumption
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Private or public network
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Radio standards

IEEE radio standards are used in all Ubudu products to ensure system openness, compatibility and cost efficiency.

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Highly secured

Security from the transmission of wireless data packets to data access and management on the software hosted on the cloud or on-premise.

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Low maintenance

High availability & redundancy, horizontal scalability through automatic load balancing and supervision tools with automatic alerts

Technical architectures

Ubudu Hybrid RTLS technical architecture can be used separately or simultaneously.
Infrastructure can even be mutualised between different technical architectures.

UWB Time Difference of Arrival (TDoA) uses the difference in the time of arrival of the  signal received by different anchors from the tag to measure the distance of the tag to the anchors and compute a position through trilateration.

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Best accuracy and stability

This architecture provides 20-30cm accuracy and accelerometer data is used to stabilise the positions.

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Best latency

The positions of thousands of tags can be updated in real-time without any delay.

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Best for

Industrial sites, warehouses, metallic environment with large open areas, high ceiling.

BLE Smart architecture uses the RSSi value of wireless BLE emitters (Beacons) received by the Tags and transmitted back to the network through Bluetooth Low Energy.

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Good accuracy and stability

This architecture provides 2-3m accuracy and can be used also to locate tags by zone

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Light and flexible infrastructure

Thanks to the use of wireless beacons, the infrastructure is light and the accuracy can be easily adapted to different areas.

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Best for

Medium to big size venues with small open areas (hospitals, restaurants)
Retrofit existing building with simple wireless solution

BLE Smart LoRa architecture uses the RSSi value of wireless BLE emitters (Beacons) received by the Tags and transmitted back to the network through LoRa network.

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Good accuracy

This architecture provides 2-3m accuracy and can be used also to locate tags by zone.

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Very light and flexible infrastructure

No cabling needed for this architecture thanks to the use of wireless beacons and long-range LoRa gateways that can receive data from tags at a range of several hundred meters.

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Best for

Very large sites with mix of indoor and outdoor (construction site, warehouse, factory).

BLE Network Directional architecture uses the RSSi value received by the directional antennas from the tags to detect the tag by zone in real-time.

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Good accuracy

This architecture provides 2-3m accuracy and can be used also to locate tags by zone.

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Good latency

Few seconds latency maximum to detect the tag in the zone which means that it can be used to detect entry / exits in zone to generate real-time alerts.

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Best for

Small size venues with low ceiling and small open areas (restaurants, clinics) or when only entry/exit detection is needed.
New buildings with cabling still to be done.

Our Technology Partners

Ubudu Technology Partners are key in the conception and development of Ubudu solutions.
3 Lignes Ubudu4 verticales Lignes Ubudu

Software technology features

Ubudu RTLS platform

Best algorithms

Ubudu takes advantage of word class algorithmic approaches developed in C++ to compute locations with data available combining a dozen of advanced techniques :

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Multiple RF location estimation techniques : TDOA, multi-lateration, fuzzy systems, attractors mode, presence, angle/phase of arrival detection.
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Particle (Monte-Carlo) and Kalman filtering, motion models / pedestrian dead reckoning.
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Map matching : obstacle and map constraints, hidden Markov chain model to estimate position on graph.
Extremely scalable & fully monitored

Ubudu platform is designed to scale in the cloud or on-premise to provide high scalability thanks to its horizontally scalable architecture and high performant micro-services :

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All time critical micro-services developed in C++, Go or Rust.
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Fully docker containerised and orchestration through HashieCorp's Nomad providing automatic allocations of services in cluster and HA (High Availability).
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All micro-services have their own health check and are constantly monitored. Deployment of patches is largely automated. 
Own optimised firmwares

Ubudu develops since 2013 its own firmwares which is fully parametrisable and provides some unique features in the market :

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UWB, BLE and LoRa support and configurable through UART interface.
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BLE 5 back-channel  for device configuration and communication which can be performed either through mobile apps or remotely through gateways.
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Battery management firmware optimisations to leverage deep sleep modes or stacking / storage of devices.

Get a demo

Interested to see how the solution works ?
Contact us to organise a live demo with one of our experts.

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Frequently Asked Questions

Is there something you need to know?

01
What technology has the highest accuracy for RTLS?
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UWB TDoA has the highest accuracy and can compute positions up to a 20-30 cm accuracy of thousands of tags simultaneously.

02
What radio frequencies are used in RTLS ?
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BLE frequency is 2.4GHz.
UWB supports 9 RF bands from 3.5 GHz to 9 GHz. We typically use channel 5 at 6.48 Mhz.
LoRa frequency for Europe is 868MHz.

03
Why is UWB outperforming other technologies ? 
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Impulse radio UWB (Ultra Wide Band) outperforms other technologies because it is very short impulsions concentrate energy and are therefore more immune to multi-path and interferences that narrow band technologies such as BLE and Wifi.

04
Does Ubudu RTLS uses other sensors to estimate positions ? 
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Ubudu tags typically integrates an accelerometer or eventually even an IMU that can be used in conjunction with RF signals to estimate position of tags. In our mobile SDK we leverage all sensors from smartphones (GPS for outdoor, accelerometer, gyroscope, magnetometer, barometer). All sensors data and RF localisation techniques are fused with particle filtering algorithm methods (a set of Monte Carlo algorithms used to solve filtering problems arising in signal processing and Bayesian statistical inference).