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Computationally-Efficient Design of a Dynamic System-Level LTE Simulator

Munoz P., Bandera I. de la, Ruiz F., Luna-Ramirez S., Barco R., Toril M., Lázaro P., Rodriguez J.

International Journal of Electronics and Telecommunications

2011

Vol. 57, No. 3

347-358

The Long-Term Evolution (LTE) is the next generation of current mobile telecommunication networks. LTE has a new flat radio-network architecture and a significant increase in spectrum efficiency. In this paper, a computationally-efficient tool for dynamic system-level LTE simulations is proposed. A physical layer abstraction is performed to predict link-layer performance with a low computational cost. At link layer, there are two important functions designed to increase the network capacity: Link Adaptation and Dynamic Scheduling. Other Radio Resource Management functionalities such as Admission Control and Mobility Management are performed at network layer. The simulator is conceived for large simulated network time to allow evaluation of optimization algorithms for the main network-level functionalities.