IEEE Communications Letters · 2013 · 144 citations · 7 references
EngineeringCommunicationElectrical EngineeringComputer NetworksOptimizationWireless CommunicationsCommunication NetworksDevice-to-device CommunicationInterference ManagementMobile CommunicationMobile NetworksNetwork Information TheoryAnalytical CharacterizationCapacity OptimizationCellular Network OptimizationComplexityD2d Underlay NetworksDevice-to-device Communication In Cellular NetworksNonconvex OptimizationOptimal Resource Allocation
The benefit of device-to-device (D2D) communication hinges on intelligent resource sharing between cellular and D2D users. This letter aims to optimize resource sharing for D2D communication to better utilize uplink resources in a multi-user cellular system with guaranteed quality of normal cellular communications. Despite the nonconvex difficulty, we provide an analytical characterization of the globally optimal resource sharing strategy, and furthermore propose two suboptimal strategies with less complexity. The superiority of the proposed resource sharing strategies is demonstrated through numerical examples.
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