Hardware & and software system for comparative analysis of GPS modules and chip antennas
0 likes314 views
The Unitess GPS Testing Lab provides hardware and software for comparative analysis of GPS modules and chip antennas, enabling optimal supplier selection based on price-quality ratios and automating the creation and storage of test protocols. Key features include testing GPS device precision, sensitivity, and compliance with standards while offering a motorized rotating device for antenna testing and a GNSS generator for signal simulation. The lab has been utilized by various international corporations and testing agencies to ensure quality control and compliance with GOST 55534.
Hardware & and software system for comparative analysis of GPS modules and chip antennas
- 1. UNITESS GPS TESTING LAB Hardware & and software system for comparative analysis of GPS modules and chip antennas from different manufacturers
- 2. UNITESS GPS TESTING LAB BENEFITS • Comparative analysis of chipsets from different manufacturers in order to select the optimal supplier by price-quality ratio based on the initial tests; • Automated creation of Test Protocols; • Saving Test Protocols in Database for further analysis; • Comparative tests of devices with different layouts, different battery types, in different material cases. • Quality Control at Output • GOST 55534 compliance testing • eCall and ERA-Glonass modules testing.
- 3. TESTING PARAMETERS • GPS Devices precision estimation in Static and Dynamic Modes; • GPS Devices sensitivity in satellite search and retention mode; • Time-To-First-Fix (TTFF) depends on the startup mode. All parameters are checking in Static and Dynamic Modes using different scenarios.
- 4. ANTENNA TESTING • 3D Antenna Radiation Pattern Reconstruction • Antenna gain & frequency selectivity • Standing Wave Ratio (VSWR).
- 5. SYSTEM COMPONENTS 1. UNITESS GNSS GENERATOR - Satellite Signal Simulator; 2. Precision Calibrated Antenna; 3. RF Shielded room; 4. Motorized Rotating Device; 5. Test Scripts Software for modeling different scenarios; 6. The Automated Workplace for test execution and automatic report generation.
- 8. UNITESS GNSS GENERATOR FEATURES • High-Frequency (HF) channels quantity — 2; • Simultaneously GLONASS and GPS signal emulation; • GPS satellites quantity — 12; • 16-Bit DAC; • Power error — 0,5 dB; • Frequency accuracy — 20 ppb; • Maximum generation bandwidth — 40 MHz; • Parasitic–free dynamic range (PFDR) — 80 dB; • Highly stable GPS Disciplined Reference Oscillators.
- 9. UNITESS GNSS GENERATOR SOFTWARE • Software pre-configured for navigation devices testing. • User-friendly interface. • Learn how to work in 2 days.
- 10. UNITESS GNSS GENERATOR SOFTWARE KEY BENEFITS • Imitation of the GPS device movement according to a predefined scenario; • Generating high-speed ballistic trajectories with ability to set acceleration and jerk on different parts of the trajectory; • Simultaneous emulation up to 12 GPS & 12 GLONASS satellites; • GNSS Ephemerides and Almanacs downloads.
- 11. TURN-KEY AUTOMATED MEASUREMENT SYSTEM Editable test scripts!
- 12. MOTORIZED ROTATING DEVICE • UNITESS development for testing GPS modules and GNSS chip antennas; • 2D and 3D far-field radiation patterns reconstruction; • The upper part of the rotating device made of radio transparent material that minimizes signal distortion.
- 13. RF SHILDED ROOM Radiation-absorbent material (RAM) to ensure magnetic field uniformity in the workspace
- 14. CALIBRATED ANTENNA To create electromagnet field at certain point
- 15. UNITESS GPS TESTING LAB Video: https://youtu.be/QD4-6GXL1HM
- 16. TESTING DEVICES
- 18. • connect equipment to a PC; • select the corresponding task from the list; • Click START and follow the instructions (mode selection, parameters setting, equipment switching, channel switching, etc.). At the end of measurements a protocol in MS Word and / or PDF format will be compiled and sent to the database. «ONE BUTTON» SOLUTION
- 19. • According to our experience, a large number of chipsets do not pass tests in dynamic mode for сompliance testing with GOST 55534. • Our system allows to carry out the tests in dynamic mode and check whether the modules complies with the declared characteristics. TESTING IN DYNAMIC MODE
- 20. OUR EXPERIENCE • A large number of GPS/GLONASS chipsets of different manufacturers have been tested at UNITESS workstations. • Our automated workplaces used in many Test Laboratories over the world to conduct preliminary tests of the ERA-GLONASS and eCall systems.
- 21. MORE THAN 50 IMPLEMENTED PROJECTS BELARUS • BELLIS Testing and Certification of Home Appliances and Industrial Products • Belarusian State Institute of Metrology (BelGIM) • Republican Unitary Enterprise Beltelecom • JSV Giprosvjaz • Armed Forces Metrological Service of the Belarus International • Qualcomm (USA) • FORD (USA) • CETECOM (Germany) • European GNSS Agency (GSA) • CAICT (China) RUSSIA • Rostest, Moscow • Test-Saint Petersburg • Moscow region Center of Standardization and Metrology • Nizhny Novgorod Center of Standardization and Metrology • Northern Shipbuilding and Repair Center
- 22. UNITESS GNSS GENERATOR passed the tests at the European GNSS Institute (GSA)