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Déjà Vu - A local RF based back end for the µg Pro for Android

1.1.12 GPL-3.0-or-later

Mobile/cell and WLAN/Wi-Fi based network provider for UnifiedNlp and microG

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Version
1.1.12 (21)
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Developer
n76
Category
Navigation
Source Code
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Déjà Vu app

Déjà Vu is Navigation application that is open source under the GPL-3.0-or-later license. UnifiedNlp backend that uses locally acquired WLAN/Wi-Fi AP and mobile/cellular
tower data to resolve user location. Collectively, “WLAN/WiFi and
mobile/cellular” signals will be called “RF emitters” below.

Conceptually, this backend consists of two parts sharing a common database. One
part passively monitors the GPS. If the GPS has acquired and has a good position
accuracy, then the coverage maps for RF emitters detected by the phone are
created and saved.

The other part is the actual location provider which uses the database to
estimate location when the GPS is not available.

This backend uses no network data. All data acquired by the phone stays on the
phone.

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