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WiFi GPS based combined positioning algorithm

机译：基于WiFi GPS的组合定位算法

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摘要

If nowadays, positioning becomes more and more accurate, and covers better and better a territory (indoor and outdoor), it remains territories where traditional (and basic) positioning system (GPS, gsm or WiFi) and hybrid ones (GPS- gsm, GPS-WiFi, GPS-WiFi-gsm, …) are insufficient and requires research investment treating combined positioning. In this paper we propose a GPS-WiFi combined positioning algorithm, based on trilateration technique. Real experiments and other simulation are conduced and demonstrate accuracy gains, even where various criteria dilution of precision (GPS dop''s criteria, or ours WiFi geometrical and signal attenuation''s dop proposal, or hybrid dop one''s) indicate all the disruption of positioning service. A testbed scenario issued from a real urban campus environment validates not only our GPS-WiFi combined positioning algorithm but also an implementation of pertinent positioning techniques and dop''s criteria. This work constitutes a further step to better position everywhere and to ensure continuity of a positioning service.
机译：如果如今，定位变得越来越精确，并且覆盖越来越好的区域（室内和室外），它仍然是传统（和基本）定位系统（GPS，gsm或WiFi）和混合定位系统（GPS-gsm，GPS）的领土-WiFi，GPS-WiFi-gsm等）不足，需要进行联合定位的研究投资。本文提出了一种基于三边测量技术的GPS-WiFi联合定位算法。即使进行了各种标准的精度稀释（GPS dop的标准，或者我们的WiFi几何和信号衰减的dop提案，或者混合dop的），即使进行了各种标准的稀释，实际的实验和其他模拟也可以证明并提高了精度定位服务的中断。在真实的城市校园环境中发布的测试平台不仅可以验证我们的GPS-WiFi组合定位算法，还可以验证相关定位技术和Dop准则的实现。这项工作构成了进一步的步骤，以更好地在任何地方定位并确保定位服务的连续性。

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