Einar C. Santos
ABSTRACT
The growing traffic demand in broadband wireless access networks requires increasingly efficient resource allocation mechanisms and Quality of Service (QoS) guarantee, especially in mobility and low quality signal scenarios, with devices moving at high speed or positioned at the cell edge, for example. To overcome such limitations and optimize overall network performance, the 3rd Generation Partnership Project (3GPP) specification of Long Term Evolution Advanced (LTE-A) networks with Relay Nodes Type 1 aims to improve channel quality at the cells edge in addition to expanding the coverage area, providing better quality and access to a greater number of devices. This paper presents a simulation model for LTE-A with Relay Nodes (RNs) developed in order to evaluate performance of such network. Presented model operates within the LTE-Sim simulator, a free open-source software widely known and validated in academic community. Additionally, we present a comparative evaluation carried out among different scheduling mechanisms available in literature over the developed platform.
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