Benefits of the GPS Air Performance Test
- Accurately test your product’s GPS performance in ONE day
- Reduce product development time
- Detect performance variations
- Decrease the number of hardware builds
- Release time and money to other testing
Benefits compared to Field Regular Testing
✓ Affordable: release time and money to another testing
✓ Fast: cut down GPS field testing time to one day
✓ Accurate: test the device in a reliable environment
Verkotan Patent – Testing Method and Arrangement For GPS Positioning Measurements
✔ The invention discloses a test method and arrangement for testing GNNS signals in a test chamber. The test chamber walls have transmitting antennas that transmit simulated satellite signals.
✔ Dynamic satellite movements are simulated to create a true satellite signal. All visible satellites are considered to create simulated GPS signals across the whole virtual sky. The device under the test is attached to a moving and rotating body phantom located in the center of the chamber.
✔ Radio channel properties are modeled according to real-life environments and programmed into a real-time channel emulator and then transmitted to the antennas in the chamber.
✔ Main application areas are sport watches, wearable health products, animal tracking and any device needing accurate positioning.
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The story behind test system software development
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Near Field to Far Field Transformation
Near field to far field (NF-FF) transformation means transforming the near field antenna radiation pattern measurement to far field radiation pattern. NF-FF transformation is used in OTA testing process of large antennas since the antenna performance must be measured in far-field condition, which is possible only in huge test chambers. Continue reading to find out more information on what NF-FF transformation is and how it is done! Read more