期刊
IEEE TRANSACTIONS ON MOBILE COMPUTING
卷 21, 期 9, 页码 3071-3083出版社
IEEE COMPUTER SOC
DOI: 10.1109/TMC.2021.3055865
关键词
Privacy; Mobile computing; Servers; Batteries; Quality of service; Encryption; Wireless fidelity; Privacy preservation; framework; location-based services; resource consumption
资金
- National Key R&D Program of China [2016YFB0801001]
- National Natural Science Foundation of China [61932015, 61872441, U1836203]
- Youth Innovation Promotion Association, Chinese Academy of Sciences [2018196]
This paper discusses how to utilize multiple single privacy preserving mechanisms (PPMs) for location privacy protection in different scenarios, and proposes a general framework called SmartGuard that dynamically selects the best privacy preservation strategy for a user based on her preferences and the current status of her mobile device. Evaluation results show that the proposed solution outperforms existing PPMs under various scenarios.
Location privacy has been one of the most important research areas over recent years, and many location Privacy Preserving Mechanisms (PPMs) have been proposed. Each PPM typically achieves certain tradeoffs between privacy protection and resource consumption, and no PPM performs perfectly in all cases. Instead of designing one PPM that works for all cases, this paper studies how to make the best use of multiple single PPMs for location privacy protection in different scenarios. In particular, we propose a general framework called SmartGuard, which dynamically selects the best privacy preservation strategy for a user based on her preferences and the current status of her mobile device. SmartGuard quantifies user privacy under various scenarios, models the effects of different PPMs on several key factors such as the remaining battery level and network bandwidth, and then recommends the best privacy strategy for the user. To illustrate how our SmartGuard works, we apply it to a specific scenario of LBSs and implement it on Android based phones. Evaluation results show that our solution outperforms existing PPMs under various scenarios.
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