Tips for Indoor Positioning Data Accuracy

Use the following tips to get the most accurate indoor positioning response.

WiFi

  • The objective of WiFi scanning is to capture all the WiFi APs (Access Point) observable by the device.
  • Limiting the number of WiFi APs in the object sent to server in any way is highly undesirable.
  • Indoor Positioning specifics
    • Rx level is mandatory
    • About timestamps
      • Including measurement timestamps to the object sent to server is highly recommended.
      • If measurement timestamps are available in the device, we recommend including up to a 10-second tail of measurements to the object sent to server.
      • If measurement timestamps are unavailable in the device, only include the instantaneous measurements (no tail) to the object sent to server.

Bluetooth

  • The objective of Bluetooth scanning is to capture all the Eddystone/iBeacon Bluetooth beacons observable by the device.
  • Limiting the number of beacons in the object sent to server in any way is highly undesirable.
  • Only include Eddystone and/or iBeacon beacons to the object sent to server.
  • Always include one of {MAC Address, EddystoneID, iBeaconID}. Prefer MAC Address.
  • About timestamps
    • Including measurement timestamps to the object sent to server is highly recommended.
    • If measurement timestamps are available in the device, we recommend including up to a 10-second tail of measurements to the object sent to server. In this case, make 500ms scans continuously.
    • If measurement timestamps are unavailable in the device, only include the instantaneous measurements (no tail) to the object sent to server. For an instantaneous measurement make a single 3000ms scan.

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