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Smart city article details
| Title | A Privacy-Preserving Location Data Collection Framework For Intelligent Systems In Edge Computing |
|---|---|
| ID_Doc | 3809 |
| Authors | Yao A.; Pal S.; Li X.; Zhang Z.; Dong C.; Jiang F.; Liu X. |
| Year | 2024 |
| Published | Ad Hoc Networks, 161 |
| DOI | http://dx.doi.org/10.1016/j.adhoc.2024.103532 |
| Abstract | With the rise of smart city applications, the accessibility of users’ location data by smart devices has increased significantly. However, this poses a privacy concern as attackers can deduce personal information from the raw location data. In this paper, we propose a framework to collect user location data while ensuring local differential privacy (LDP) in the last-mile delivery system of Unmanned Aerial Vehicles (UAVs) within an edge computing environment. Firstly, we obtain the user location distribution Quad-tree by employing a region partitioning method based on Quad-tree retrieval in the specified data collection area. Next, the user location matrix is retrieved from the obtained Quad-tree, and we perturb the user location data using an LDP perturbation scheme on the location matrix. Finally, the collected data is aggregated using blockchain to evaluate the utility of the dataset from various regions. Furthermore, to validate the effectiveness of our framework in a real-world scenario, we conduct extensive simulations using datasets from multiple cities with varying urban densities and mobility patterns. These simulations not only demonstrate the scalability of our approach but also showcase its adaptability to different urban environments and delivery demands. Finally, our research opens new avenues for future work, including the exploration of more sophisticated LDP mechanisms that can offer higher levels of privacy without significantly compromising the quality of service. Additionally, the integration of emerging technologies such as 5G and beyond in the edge computing environment could further enhance the efficiency and reliability of UAV-based delivery systems, while also offering new challenges and opportunities for privacy-preserving data collection and analysis. © 2024 The Author(s) |
| Author Keywords | Blockchain; Edge computing; Local differential privacy; Location data collection; UAV delivery systems |
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