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Aditya Chopra (The University of Texas at Austin), “Modeling and Mitigation of Interference in Wireless Receivers with Multiple Antennae”, Advisor: Prof. Brian L. Evans, 2011
The demand for mobile Internet data is on track to increase by 1000x over this decade. The most significant gain in communication capacity will continue to come through increased frequency reuse. Increased frequency reuse, will primarily be realized by using smaller picocells and femtocells, which will lead to increased interference on the antennas deployed on these small-cell basestations and mobile receivers. This dissertation proposes a unified framework for modeling multi-antenna interference in various network topologies. This framework is based on statistical-physical mechanisms of interference generation and propagation. The contributions of this dissertation include (i) modeling multidimensional interference statistics as a continuum between spherically isotropic and statistically independent, inclusive; (ii) analyzing communication performance of multi-antenna receivers in interference-limited wireless networks; and (iii) proposing receiver algorithms to mitigate the impact of interference on communication performance. The proposed algorithms include multi-antenna combining strategies, as well as antenna selection algorithms for cooperative communications.
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