Paper Info
Title
Storage Management Strategy in Mobile Phones for Photo Crowdsensing.
Abstract
In mobile crowdsensing, some users jointly finish a sensing task through the sensors equipped in their intelligent terminals. In particular, the photo crowdsensing based on Mobile Edge Computing (MEC) collects pictures for some specific targets or events and uploads them to nearby edge servers, which leads to richer data content and more efficient data storage compared with the common mobile crowdsensing; hence, it has attracted an important amount of attention recently. However, the mobile users prefer uploading the photos through Wifi APs (PoIs) rather than cellular networks. Therefore, photos stored in mobile phones are exchanged among users, in order to quickly upload them to the PoIs, which are actually the edge services. In this paper, we propose a utility-based Storage Management strategy in mobile phones for Photo Crowdsensing (SMPC), which makes a sending/deleting decision on a user's device for either maximizing photo delivery ratio (SMPC-R) or minimizing average delay (SMPC-D). The decision is made according to the photo's utility, which is calculated by measuring the impact of reproducing or deleting a photo on the above performance goals. We have done simulations based on the random-waypoint model and three real traces: roma/taxi, epfl, and geolife. The results show that, compared with other storage management strategies, SMPC-R gets the highest delivery ratio and SMPC-D achieves the lowest average delay.
Year
DOI
Venue
2020
10.3390/s20082199
SENSORS
Keywords
DocType
Volume
mobile crowdsensing,edge computing,photo crowdsensing,storage management,utility-based
Journal
20
Issue
ISSN
Citations 
8.0
1424-8220
0
PageRank 
References 
Authors
0.34
0
7
Name
Order
Citations
PageRank
En Wang15715.09
Zhengdao Qu200.34
Xinyao Liang300.34
Xiangyu Meng410.69
Yongjian Yang53914.05
Dawei Li601.01
Weibin Meng751.76