A grid-based algorithm for on-device GSM positioning

  title={A grid-based algorithm for on-device GSM positioning},
  author={Petteri Nurmi and Sourav Bhattacharya and Joonas Kukkonen},
We propose a grid-based GSM positioning algorithm that can be deployed entirely on mobile devices. The algorithm uses Gaussian distributions to model signal intensity variations within each grid cell. Position estimates are calculated by combining a probabilistic centroid algorithm with particle filtering. In addition to presenting the positioning algorithm, we describe methods that can be used to create, update and maintain radio maps on a mobile device. We have implemented the positioning… CONTINUE READING
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