01622716

Component

Travel data collection on how people move in time and space has long been an important subject for transportation planning. Traditionally, travel data collection relies upon self-reports from the respondents. Usually, these data collection methods share some common drawbacks including respondent fatigue, missing trips, increasing costs, and declining response rates. To overcome above insufficiencies, smartphone-based surveys have emerged as a promising alternative in recent years to collect travel data and a number of such smartphone apps with different functionalities have been developed and implemented for different purposes. However, regarding the real-world implementation of apps, there are still challenges to be addressed. One fundamental concern is the battery power consumption. Since the battery power depletes rapidly from frequent and continuous operation of multiple sensors, especially the GPS receiver, the inconvenience caused by frequent battery recharge often drives away users and offsets the potential benefits of using those apps. This issue has not yet been systematically explored in the literature on travel data collection. This paper seeks to update the current knowledge of positioning and motion detection technologies on the existing apps for travel data collection and provide a state of the art discussion on the various strategies that can be implemented to preserve battery power on the smartphones.

This paper was sponsored by TRB committee ABJ40 Standing Committee on Travel Survey Methods.

01618707

17-00436

English

20p

2017

Transportation Research Board 96th Annual Meeting

Digital/other

References; Tables

Data collection; Detection and identification systems; Electric batteries; Energy consumption; Global Positioning System; Mobile applications; Smartphones; Travel surveys

Data and Information Technology; Highways

Transportation Research Board Annual Meeting 2017 Paper #17-00436

PRP, TRIS, TRB, ATRI

Dec 8 2016 10:04AM