Network flows: theory, algorithms, and applications
Network flows: theory, algorithms, and applications
Linear Programming and Network Flows
Linear Programming and Network Flows
Adaptive resource allocation in multiuser OFDM systems with proportional rate constraints
IEEE Transactions on Wireless Communications
Cross-Layer Adaptive Resource Management for Wireless Packet Networks With OFDM Signaling
IEEE Transactions on Wireless Communications
Multiuser OFDM with adaptive subcarrier, bit, and power allocation
IEEE Journal on Selected Areas in Communications
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We propose two efficient scheduling algorithms for OFDMA networks based on graph theory. The algorithms overcome many drawbacks of previously proposed algorithms such as assuming a single service scenario, limiting the QoS parameters to instantaneous data rate and considering a single OFDM symbol in each scheduling decision. Also, our algorithms enable the system designer to control the tradeoff between system performance, system complexity and the QoS experienced by the users. System simulations show that the proposed algorithms considerably enhance the system performance.