Centimeter Positioning with a Smartphone-Quality GNSS Antenna

Pesyna, Kenneth M.; Heath, Robert W.; Humphreys, Todd E.

doi:10.15781/t2ht2gv0r

Cited by 6 publications

(1 citation statement)

References 9 publications

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“…Respondents also proved willing to provide annotative data to the passive traces. Although this currently takes the form of labeling stops for purpose and tracks for transportation mode, these are variables which could conceivably be calculated from the data itself as the accuracy of mobile-device GPS units approaches centimeter-level accuracy (Dabove and Di Pietra 2019;Humphreys 2018). This frees researchers to reduce respondent burden by either relying on the passive data itself or adapting a verification approach where respondents either confirm the predicted mode or correct it.…”

Section: Discussionmentioning

confidence: 99%

An App-Assisted Travel Survey in Official Statistics: Possibilities and Challenges

McCool

Lugtig

Mussmann

et al. 2021

Journal of Official Statistics

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Advances in smartphone technology have allowed for individuals to have access to near-continuous location tracking at a very precise level. As the backbone of mobility research, the Travel Diary Study, has continued to offer decreasing response rates over the years, researchers are looking to these mobile devices to bridge the gap between self-report recall studies and a person’s underlying travel behavior. This article details an open-source application that collects real-time location data which respondents may then annotate to provide a detailed travel diary. Results of the field test involving 674 participants are discussed, including technical performance, data quality and response rate.

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Section: Discussionmentioning

confidence: 99%