Intelligent Reflecting Surface-Assisted Wireless Powered Heterogeneous Networks

Mathematics

• Heterogeneous Wireless Networks 100%
• Phase Shift 30%
• Uplink 28%
• Information Transfer 23%
• Energy Transfer 22%
• Semidefinite Programming Relaxation 20%
• Scheduling 15%
• Energy Harvesting 13%
• Energy Consumption 11%
• Karush-Kuhn-Tucker Conditions 10%
• Energy 10%
• Non-convexity 10%
• Throughput 9%
• Low Complexity 9%
• Harvesting 8%
• Nonconvex Problems 8%
• Dual Problem 8%
• Computational Complexity 7%
• Optimality 6%
• Closed-form 6%
• Riemannian Manifold 6%
• Internal 6%
• Verify 6%
• Optimization 5%
• Simulation 4%

Engineering & Materials Science

• Heterogeneous networks 47%
• Phase shift 24%
• Energy transfer 17%
• Relaxation 14%
• Scheduling 10%
• Energy harvesting 7%
• Computational complexity 6%
• Energy utilization 5%
• Throughput 5%