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A Subcarrier Allocation Algorithm for Efficiently Reducing Power in Multiuser OFDM Systems
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Tiny MAP: An efficient MAP in IEEE 802.16/WiMAX broadband wireless access systems
Computer Communications
EURASIP Journal on Wireless Communications and Networking
Capacity planning for group-mobility users in OFDMA wireless networks
EURASIP Journal on Wireless Communications and Networking
IEEE/ACM Transactions on Networking (TON)
Comparison of multimedia delivery scenarios using parallel wireless links and path diversity
Mobile Networks and Applications
Proceedings of the 14th ACM international conference on Mobile computing and networking
Cross-layer multiuser resource allocation for video communication over OFDM networks
Computer Communications
Radio resource allocation problems for OFDMA cellular systems
Computers and Operations Research
Competitive scheduling for OFDMA systems with guaranteed transmission rate
Computer Communications
OFDMA techniques in multicellular networks with total frequency reuse
Computer Communications
CDIT-based constrained resource allocation for mobile WiMAX systems
EURASIP Journal on Wireless Communications and Networking - Special issue on fairness in radio resource management for wireless networks
Admission control threshold in cellular relay networks with power adjustment
EURASIP Journal on Wireless Communications and Networking - Special issue on OFDMA architectures, protocols, and applications
An Improved Margin Adaptive Subcarrier Allocation with Fairness for Multiuser OFDMA System
ISNN 2009 Proceedings of the 6th International Symposium on Neural Networks: Advances in Neural Networks - Part III
Resource allocation in OFDMA wireless communications systems supporting multimedia services
IEEE/ACM Transactions on Networking (TON)
Fitness landscape analysis for resource allocation in multiuser OFDM based cognitive radio systems
ACM SIGMOBILE Mobile Computing and Communications Review
Optimal resource allocation in the OFDMA downlink with imperfect channel knowledge
IEEE Transactions on Communications
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IEEE Transactions on Communications
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IEEE Transactions on Communications
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IEEE Transactions on Wireless Communications
Variable power and rate allocation using simple CQI for multiuser OFDMA-CDM systems
IEEE Transactions on Wireless Communications
Optimal and near-optimal resource allocation algorithms for OFDMA networks
IEEE Transactions on Wireless Communications
Queue-aware subchannel and power allocation for downlink OFDM-based cognitive radio networks
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
Sub-channel allocation in multi-user MIMO-OFDMA communication system
WOCN'09 Proceedings of the Sixth international conference on Wireless and Optical Communications Networks
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WOCC'09 Proceedings of the 18th international conference on Wireless and Optical Communications Conference
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IEEE Transactions on Information Theory
Wireless Personal Communications: An International Journal
EUC'07 Proceedings of the 2007 international conference on Embedded and ubiquitous computing
Dual optimal resource allocation for heterogeneous transmission in OFDMA systems
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
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IEEE/ACM Transactions on Networking (TON)
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ICC'09 Proceedings of the 2009 IEEE international conference on Communications
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ICC'09 Proceedings of the 2009 IEEE international conference on Communications
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ICC'09 Proceedings of the 2009 IEEE international conference on Communications
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
EURASIP Journal on Advances in Signal Processing - Special issue on filter banks for next-generation multicarrier wireless communications
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IEEE Transactions on Information Theory
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IEEE Transactions on Wireless Communications
Queue-aware resource allocation for downlink OFDMA cognitive radio networks
IEEE Transactions on Wireless Communications
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EURASIP Journal on Wireless Communications and Networking - Special issue on adaptive cross-layer strategies for fourth generation wireless communications
Primal decomposition-based method for weighted sum-rate maximization in downlink OFDMA systems
EURASIP Journal on Wireless Communications and Networking
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Wireless Personal Communications: An International Journal
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International Journal of Network Management
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International Journal of Mobile Network Design and Innovation
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Wireless Personal Communications: An International Journal
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PWC'06 Proceedings of the 11th IFIP TC6 international conference on Personal Wireless Communications
Expert Systems with Applications: An International Journal
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Full length article: Statistical resource allocation for multi-band Cognitive Radio systems
Physical Communication
International Journal of Communication Systems
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International Journal of Internet Protocol Technology
Performance of OFDMA Multicell Systems with Opportunistic Beamforming
Wireless Personal Communications: An International Journal
Feasibility of SINR guarantees for downlink transmissions in relay-enabled OFDMA networks
Automatica (Journal of IFAC)
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Wireless Personal Communications: An International Journal
Fine-grained channel access in wireless LAN
IEEE/ACM Transactions on Networking (TON)
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WiFlex'13 Proceedings of the First international conference on Wireless Access Flexibility
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Journal of High Speed Networks
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The paper studies the problem of finding an optimal subcarrier and power allocation strategy for downlink communication to multiple users in an orthogonal-frequency-division multiplexing-based wireless system. The problem of minimizing total power consumption with constraints on bit-error rate and transmission rate for users requiring different classes of service is formulated and simple algorithms with good performance are derived. The problem of joint allocation is divided into two steps. In the first step, the number of subcarriers that each user gets is determined based on the users' average signal-to-noise ratio. The algorithm is shown to find the distribution of subcarriers that minimizes the total power required when every user experiences a flat-fading channel. In the second stage of the algorithm, it finds the best assignment of subcarriers to users. Two different approaches are presented, the rate-craving greedy algorithm and the amplitude-craving greedy algorithm. A single cell with one base station and many mobile stations is considered. Numerical results demonstrate that the proposed low complexity algorithms offer comparable performance with an existing iterative algorithm.