Privacy preserving control of uplink cellular wireless networks using hybrid ARQ
Sarıkaya, Yunus and Erçetin, Özgür and Köksal, Can Emre (2012) Privacy preserving control of uplink cellular wireless networks using hybrid ARQ. (Submitted)
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We consider the problem of cross-layer resource allocation in a time-varying cellular wireless networks, in which the transmitter only knows the distribution of channel gains, and incorporate information theoretic secrecy as a Quality of Service constraint. Particularly, each node in the network injects two types of traffic, private and open, at rates chosen in order to maximize a global utility function function subject to stability of the data queues, and a constraint on the privacy outage probability. Our scheme is based on hybrid ARQ transmission with incremental redundancy. We prove that our scheme achieves a utility, arbitrarily close to the maximum achievable utility. Numerical experiments are performed to verify the analytical results, and to show the efficacy of the dynamic control algorithm.
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