Performance evaluation of primary-secondary reliable resource-management in vehicular networks

We design and test a distributed and adaptive resource management controller in Vehicular Access Networks, allowing energy and computing-limited car smart phones to opportunistically accede to a spectral-limited wireless backbone. We cast the resource management problem into a suitable constrained stochastic Network Utility Maximization problem and derive the optimal cognitive resource management controller, which dynamically allocates the access time-windows at the serving Roadside Units (i.e., the primary users) and the access rates and traffic flows at the served Vehicular Clients (i.e., the secondary users), allowing hard reliability guarantees to Roadside Units. We validated the controller performances in real-word application scenarios.

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