Document Type thesis Author Name He, Wenmin URN etd-042513-060738 Title Cooperative Channel State Information Dissemination Schemes in Wireless Ad-hoc Networks Degree MS Department Electrical & Computer Engineering Advisors Andrew G. Klein, Advisor D. Richard Brown III, Committee Member Xinming Huang, Committee Member Keywords dominating set MLST Hamiltonian decomposition channel state information Date of Presentation/Defense 2013-05-01 Availability restricted
This thesis considers a novel problem of obtaining global channel state information (CSI) at every node in an ad-hoc wireless network. A class of protocols for dissemination and estimation are developed which attempt to minimize the staleness of the estimates throughout the network. This thesis also provides an optimal protocol for CSI dissemination in networks with complete graph topology and a near optimal protocol in networks having incomplete graph topology. In networks with complete graph topology, the protocol for CSI dissemination is shown to have a resemblance to finding Eulerian tours in complete graphs. For networks having incomplete graph topology, a lower bound on maximum staleness is given and a near optimal algorithm based on finding minimum connected dominating sets and proper scheduling is described in this thesis.
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