Interference Mitigation and Network Topology Optimization for Cooperative Wireless Cellular Systems

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The rapid and unprecedented growth of smart phones, tablets and laptops is driving an exponential demand for higher capacity, increased reliability and ubiquitous coverage in next-generation wireless cellular networks. The proposed research program will focus on innovative technologies that will power this continuing wireless revolution. The proposed study is based on a central observation that the future exponential growth in wireless networks will need to be enabled by novel cooperative transmission strategies across the network, and by the optimization of network topologies themselves, rather than by improvements of traditional wireless link-level techniques. This re-thinking of network design is necessitated by the fact that base-stations in future networks will become more densely deployed, frequencies more aggressively reused, and the network topologies increasingly heterogeneous. In such an environment, multiuser interference will become a critical bottleneck for service provisioning, and the management and mitigation of interference using cooperative techniques will become a central task.