CIF: Small:Interference Engineering in Wireless Systems

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Demands for wireless access to the Internet and voice communicationskeep growing exponentially, while the available spectrum remains scarce.As a result, cellular, WiFi, mesh, and cognitive networks areincreasingly interference-limited.Despite significant efforts over the last decade, key aspects of theinterference are still not well understood. In particular, the spatialand temporal correlation of the interference has been largely ignored,despite its profound impact on the performance. With the propermathematical and numerical tools from stochastic geometry and spatialstatistics, the impact of protocol decisions on the interference as arandom field in space and time can be assessed, and, even moreimportantly, the question of how to engineer the interference foroptimum performance can be addressed.This project aims at taking a major step in this direction. It focuseson developing a fundamental understanding of the structure of theinterference using a rigorous analytical approach. While the outcomes ofthe project will be applicable to and relevant for most modern wirelesssystems, they are particularly pertinent for cognitive systems, whereinterference between primary and secondary users is not just a technicalproblem leading to a performance reduction, but also a regulatory andlegal issue.