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Interference Mitigation Strategies for WiMAX Networks

Overview WiMAX IEEE802.16e systems are intended to provide high spectral efficiency in order to support services with challenging quality of service constraints in heterogeneous scenarios. However, when addressing such goal, it is important to consider in detail the impact of deployment related issues that can affect relevantly the expected system performance. Inter-cell interference is a key aspect that limits system level performances. On the other side, WiMAX standard provides several useful features at both PHY and MAC layer for facing propagation channel impairment and that can be exploited in order to combat inter-cell interference. In this paper an analysis of the main features influencing the inter-cell interference scenario is provided and interference mitigation strategies are proposed and evaluated through system level simulations.

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Publisher
Politecnico di Milano
File Format
PDF
Date Published
May 2, 2007
Format
White Papers
Topics
WiMAX (802.16), Mobile - Wireless Communications

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