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Interference is an important threat to GPS performance. Such high accuracy demands excellent operation from GPS timing receivers. Synchronizing telecommunications equipment, currently providing an accuracy of up to 10ns.
![wifi interference test wifi interference test](https://i.stack.imgur.com/XLmwI.png)
GPS based synchronizers have long been used for The rapid evolution of current and upcoming high speed and complex communications networks often necessitates flawless time synchronization among the network nodes in order to guarantee performance. Also, Locata characteristics have been identified which can be exploited to mitigate RFI issues. Test results presented in this paper give an insight into this situation.
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It is shown that significant improvement has been made in Version 3 for rejecting RFI. A comparison of Version 2 and Version 3 devices is presented. This paper evaluates the performance of Locata in the presence of WiFi interference. WiFi devices operating in this band have been identified as the most likely potential interferer, due partially to their use of the whole ISM band. This problem magnifies due the fact that Locata operates in the licence-free 2.4GHz ISM band. However, like any other system relying on wireless technology, a Locata positioning network faces issues in the presence of RF interference (RFI). "Locata" offers augmentation, and even replacement, to GPS in such environments. Classically difficult positioning environments have always called for some augmentation technology to assist the Global Positioning System (GPS).
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