Using the Experience Sampling Method to Evaluate Ubicomp Applications
IEEE Pervasive Computing
Challenge: ubiquitous location-aware computing and the "place lab" initiative
Proceedings of the 1st ACM international workshop on Wireless mobile applications and services on WLAN hotspots
The BikeNet mobile sensing system for cyclist experience mapping
Proceedings of the 5th international conference on Embedded networked sensor systems
Geographic relevance in mobile services
Proceedings of the 2nd International Workshop on Location and the Web
EnTracked: energy-efficient robust position tracking for mobile devices
Proceedings of the 7th international conference on Mobile systems, applications, and services
Detecting and correcting WiFi positioning errors
Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing
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In this paper, we explore the viability and possible limitations of a delay-tolerant positioning process for location-based logging. Instead of estimating the device position on the device, a delay-tolerant technique stores the radio and Wi-Fi data needed to calculate that position, sends it to a server when appropriate, and it is the server that will calculate the position. This is very suitable for location logging because it supports the generation of frequent position registers without incurring in high communication and energy costs. We have conducted a controlled experiment to assess the accuracy of this technique and the results suggest that the accuracy of the positions calculated on the server using this technique is the same as those that can be obtained by calculating the position directly on the device.