Interference model and antenna parameters setting effects on 4G-LTE networks coverage

Authors:
Nourredine Tabia;Alexandre Gondran;Oumaya Baala;Alexandre Caminada
Affiliations:
University of Belfort-Montbéliard, Belfort, France;EcoleNationale d'Aviation Civile, Toulouse, France;University of Belfort-Montbéliard, Belfort, France;University of Belfort-Montbéliard, Belfort, France
Venue:
Proceedings of the 7th ACM workshop on Performance monitoring and measurement of heterogeneous wireless and wired networks
Year:
2012

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Abstract

The currently emerging Long Term Evolution 4G-LTE cellular networks are based on new technique of transmission called the Orthogonal Frequency Division Multiple Access (OFDMA). This paper shows the interest of robust approach due to the uncertainty of traffic distribution. First, we develop and validate the interference model based on SINR metric for the deployment of the LTE network, and then we use greedy algorithms to show how frequency and tilt parameter settings can impact the coverage performance metric. Two frequency schemes have been compared to validate our model: the frequency reuse 1 scheme whereby the whole available bandwidth is used in each cell/sector and the frequency reuse 3 scheme in which the entire bandwidth is divided into 3 non-overlapping groups and assigned to 3 co-site sectors within each cell.