Dynamic network control for confidential multi-hop communications

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Sarıkaya, Yunus and Erçetin, Özgür and Köksal, Emre (2013) Dynamic network control for confidential multi-hop communications. In: 11th International Symposium on Modeling & Optimization in Mobile, Ad Hoc & Wireless Networks (WiOpt 2013), Tsukuba City, Japan

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We consider the problem of resource allocation and control of multihop networks in which multiple source-destination pairs communicate confidential messages, secretly from the intermediate nodes. We pose the problem as that of network utility maximization, into which confidentiality is incorporated as an additional quality of service constraint. We develop a simple, and yet optimal dynamic control algorithm which combines flow control, routing and end-to-end secrecy-encoding. In order to achieve confidentiality, our scheme exploits multipath diversity and temporal diversity due to channel variability. Our end-to-end dynamic encoding scheme encodes confidential messages over many packets, to be combined at the ultimate destination for recovery. We also evaluated our scheme numerically under various conditions to show its efficacy.

Item Type:Papers in Conference Proceedings
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication
ID Code:22418
Deposited By:Özgür Erçetin
Deposited On:22 Jan 2014 09:40
Last Modified:01 Aug 2019 12:11

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