Simulation Tool and Online Demonstrator for CDMA-Based Ultrasonic Indoor Localization Systems

Area of Science:

• Robotics
• Electrical Engineering
• Computer Science

Background:

• Ultrasonic Indoor Positioning Systems (UIPSs) require flexible tools for development and testing.
• Existing UIPS development often involves time-consuming hardware design and prototyping.

Purpose of the Study:

• To introduce the CODEUS platform, integrating a simulator and online demonstrator for UIPS research.
• To provide researchers and developers with a flexible environment for analyzing and testing UIPS.

Main Methods:

• Developed a MATLAB-based simulation tool modeling UIPS components: signal processing, transducers, propagation, and algorithms.
• Integrated the simulator with a remotely accessible online demonstrator for real-world UIPS validation.
• Enabled testing of various encoding techniques, modulation schemes, and positioning algorithms.

Main Results:

• CODEUS provides comprehensive analysis of UIPS performance metrics at different signal processing stages.
• The platform allows validation of transmission schemes and algorithms in a configurable UIPS.
• Offers a user-friendly interface and remote management via a website, eliminating hardware needs for users.

Conclusions:

• CODEUS enhances flexibility and efficiency in UIPS research and development.
• The platform facilitates rapid experimental testing and algorithm validation for UIPS.
• Freely available simulator and demonstrator support researchers and students in the UIPS field.