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Pedestrian dead reckoning (PDR) is a promising solution for indoor positioning. It can work without either GPS signals or Wi-Fi coverage. Commonly, a foot mounted PDR system is relatively more accurate, but a PDR system mounted on the waist or integrated in a Smartphone can be more convenient. However, such systems have difficulties with step length estimation. Most of them estimate step length indirectly...
Due to increase in location based services, the need for efficient network based location methods has been made of paramount of importance. Among the mobile positioning techniques Time of Arrival (TOA) and Time Difference of Arrival (TDOA) arisen as promising techniques. In order to deal with such technology some theoretical approaches have been put forward to draw the estimation under the technological...
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