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Issue No. 12 - December (2009 vol. 21)
ISSN: 1041-4347
pp: 1783-1797
Dik Lun Lee , Hong Kong University of Science and Technology, Hong Kong
Baihua Zheng , Singapore Management University, Singapore
Peng Liu , Pennsylvania State University, University Park
Wang-Chien Lee , Pennsylvania State University, University Park
Xuhua Ding , Singapore Management University, Singapore
In this paper, we investigate the trade off between performance and confidentiality in signature-based air indexing schemes for wireless data broadcast. Two metrics, namely, false drop probability and false guess probability, are defined to quantify the filtering efficiency and confidentiality loss of a signature scheme. Our analysis reveals that false drop probability and false guess probability share a similar trend as the tuning parameters of a signature scheme change and it is impossible to achieve a low false drop probability and a high false guess probability simultaneously. In order to balance the performance and confidentiality, we perform an analysis to provide a guidance for parameter settings of the signature schemes to meet different system requirements. In addition, we propose the jump pointer technique and the XOR signature scheme to further improve the performance and confidentiality. A comprehensive simulation has been conducted to validate our findings.
Wireless broadcast, indexing, search performance, confidentiality.
Dik Lun Lee, Baihua Zheng, Peng Liu, Wang-Chien Lee, Xuhua Ding, "Tuning On-Air Signatures for Balancing Performance and Confidentiality", IEEE Transactions on Knowledge & Data Engineering, vol. 21, no. , pp. 1783-1797, December 2009, doi:10.1109/TKDE.2009.43
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