Indoor Positioning for 2 Mobile Beacons | Marvelmind

Product Demos

Indoor Positioning for 2 Mobile Beacons | Marvelmind

▶ 0:20
📅 2016-01-23

Indoor Positioning for 2 Mobile Beacons | Marvelmind

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For more information, please contact: info@marvelmind.com

What This Video Covers

This video demonstrates Marvelmind's ability to precisely track two mobile beacons simultaneously with ±2cm accuracy. The system employs time division multiple access (TDMA) to manage multiple beacons, achieving approximately 8Hz update rates per beacon. Stationary beacons installed on walls provide the positioning infrastructure, while location data streams via USB modem to connected systems. The demo proves industrial-grade indoor positioning for autonomous robots, drones, and mobile equipment in warehouse and indoor navigation applications.

Key Takeaways

  • Simultaneous multi-beacon tracking achieves ±2cm accuracy without GPS
  • TDMA protocol efficiently manages multiple mobile beacons in real-time
  • Sub-10Hz update rates per beacon enable responsive autonomous robot control
  • Multiple interface options (USB/UART/SPI/I2C) simplify system integration
  • Stationary wall-mounted beacons require minimal infrastructure investment

👥 Who Should Watch This

Roboticists, drone operators, and warehouse automation engineers who need sub-centimeter indoor positioning accuracy for multiple moving assets. This demonstration proves that Marvelmind's ultrasonic indoor positioning system can simultaneously track multiple mobile beacons with ±2cm precision, solving the challenge of real-time localization in GPS-denied indoor environments.

? FAQ

Q: Can Marvelmind track multiple beacons simultaneously with accurate positioning?
Yes. This demo shows two mobile beacons tracked simultaneously with ±2cm precision. The system uses TDMA to manage multiple beacons, with each achieving ~8Hz update rate after accounting for switching overhead.
Q: What is the update rate for each beacon when tracking multiple units?
When tracking multiple beacons, the system divides available bandwidth using TDMA. With 2 beacons, each receives approximately 16/2Hz update rate minus timing losses from switching between beacons.
Q: How is location data accessed from the mobile beacons?
Location data can be obtained directly from mobile beacons or via a modem connected to a PC. The modem supports multiple interfaces: USB (virtual UART), UART, SPI, or I2C for seamless integration.
Q: Why is stationary beacon placement important for indoor positioning?
Stationary beacons on walls create the positioning infrastructure that ultrasonic signals reference. Their precise calibration and placement determine overall system accuracy and coverage area reliability.

Detailed Overview

Marvelmind's ultrasonic indoor positioning system delivers precise ±2cm tracking of multiple mobile beacons simultaneously, as demonstrated in this technical video. The system implements time division multiple access (TDMA) protocol, allowing each mobile beacon to achieve approximately 16/2Hz update rates while accounting for switching overhead—enabling near-real-time localization of multiple assets. The architecture uses stationary beacons strategically placed on walls as reference points, creating an indoor positioning infrastructure independent of GPS signals. Location data can be accessed directly from mobile beacons or through a USB-connected modem interfacing via virtual UART, UART, SPI, or I2C protocols. This multi-beacon capability addresses critical requirements in autonomous indoor robots, warehouse automation, forklift tracking, and indoor drone navigation. The demonstration validates Marvelmind's solution for applications requiring simultaneous tracking of multiple assets with centimeter-level accuracy, eliminating the need for expensive UWB systems while maintaining superior precision in line-of-sight indoor environments.

# Topics

indoor positioningmobile beaconsRTLSindoor trackingprecise locationautonomous robotswarehouse automation

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For more information, please contact: info@marvelmind.com
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