TDMA Mode Configuration for IA Systems | Marvelmind
Inverse Architecture Configuration: Overview
This setup guide explains how to enable and configure TDMA mode in Marvelmind's IA architecture for improved indoor positioning performance. TDMA (Time Division Multiple Access) modes optimize ultrasonic signal transmission in complex environments where standard coverage is challenging. Perfect for warehouse automation, forklift tracking, and autonomous indoor robot applications requiring robust indoor location tracking.
Transcript
This setup guide explains how to enable and configure TDMA mode in Marvelmind's IA architecture for improved indoor positioning performance. TDMA (Time Division Multiple Access) modes optimize ultrasonic signal transmission in complex environments where standard coverage is challenging. Perfect for warehouse automation, forklift tracking, and autonomous indoor robot applications requiring robust indoor location tracking.
0:00 Hello. This video is about submaps in time division multiple access mode, or TDMA for short. This is a new software feature for Inverse Architecture systems, which is helpful in challenging environments for ultrasound. By this I mean situations where the mobile beacon does not have an unobstructed view to two or more stationary beacons, which is required for our system to work. This can happen because of columns, walls, or other obstacles. In this setup here we have two submaps with completely overlapping service zones. With TDMA mode, the mobile beacon automatically chooses which of the submaps has better tracking. If there is an obstacle at one, tracking becomes better in the other submap, the beacon switches. This is TDMA mode 1. TDMA mode 2 works slightly differently but serves the same purpose. In this mode, the mobile beacon is constantly switching between the submaps.
0:58 While the first mode is more accurate in good conditions, under certain circumstances it can mislead. The second mode is more robust, but gives you accurate tracking at least half of the time. You can switch between these two modes by selecting the mobile beacon, going into ultrasound settings on the right, and scrolling down. There you'll have TDMA mode 1 and 2. Now let's take a look at how to turn on TDMA. First you select the beacon and go to ultrasound settings on the right, then go down until TDMA sequence length and position in sequence. By default, TDMA is turned off, so the sequence length is 1. To turn TDMA on, switch it to 2 or higher. Since we have two submaps, I'll set it to 2. The beacons in this submap will be in the first position of the sequence, so I'll leave 0. Repeat for all beacons. The
1:58 second submap will be in the second position of the sequence, so I'll change the 0 to a 1. Now we'll move the mobile beacon around. Remember to set the ultrasound frequencies correctly: 19 and 31 kilohertz, and the same on the other submap. Effectively we have two identical submaps that are serving the same area but not at the same time, and the system chooses the best submap for tracking. The frequencies don't have to be 19 and 31 kilohertz, but they have to be mirroring each other on the submaps. Thank you for your attention, and see you in the next video.
Video Contents
Key Takeaways
- TDMA mode optimizes ultrasonic transmission timing to reduce signal interference in complex warehouse environments
- Essential configuration for multi-level facilities and dense beacon networks requiring robust indoor positioning
- Improves positioning accuracy for forklift tracking and autonomous robot navigation applications
- Requires proper beacon placement and line-of-sight coverage planning before activation
- Integrates seamlessly with Marvelmind's broader indoor GPS and RTLS architecture
Relevant For: System Architects & Integration Specialists
Warehouse automation engineers and integrators deploying Marvelmind indoor positioning systems in challenging environments with complex ultrasonic coverage requirements. This guide solves the problem of signal interference and coverage gaps in multi-level facilities, forklift tracking areas, and autonomous robot navigation zones by explaining TDMA mode configuration.
FAQ
Inverse Architecture System Design
TDMA (Time Division Multiple Access) mode is a critical configuration option in Marvelmind's indoor positioning system that enhances performance in complex, signal-challenging environments. This help video provides step-by-step instructions for enabling TDMA mode within the IA architecture, enabling better ultrasonic coverage distribution across your facility. TDMA mode is particularly valuable for warehouse automation deployments, forklift tracking systems, and autonomous indoor robot navigation where multiple beacons and receivers operate in close proximity. By implementing time-division protocols, TDMA reduces ultrasonic signal collisions and improves positioning accuracy in areas with structural obstacles, metal infrastructure, or high electromagnetic interference. The configuration process integrates with Marvelmind's broader indoor GPS and RTLS framework, making it suitable for facilities of varying complexity. This guide is essential for system integrators planning indoor positioning implementations in demanding industrial environments, complementing standard installation procedures with advanced optimization techniques.
Topics
Related Resources
📍 Need precise indoor positioning for your project?