Scheduling algorithms for quality of service aware OFDMA wireless systems

In this paper, we investigate scheduling in multiuser OFDMA systems. The objective is to maximize the resource utilization in a network, while a required quality of service (QoS) per user is satisfied. A notion of revenue maximization is used to determine the optimal OFDMA subcarrier allocation to d...

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Hauptverfasser:	Farrokhi, Farrokh R., Olfat, Masoud, Alasti, Mehdi, Liu, K.J. Ray
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Applied sciences Educational institutions Exact sciences and technology Information, signal and communications theory Iterative algorithms Multiplexing OFDM modulation Operation, maintenance, reliability Organization, operation and development plans Processor scheduling Quality of service Radiocommunications Resource management Scheduling algorithm Signal and communications theory Systems, networks and services of telecommunications Telecommunication traffic Telecommunications Telecommunications and information theory Throughput Transmission and modulation (techniques and equipments) Transmitters
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Beschreibung
Zusammenfassung:	In this paper, we investigate scheduling in multiuser OFDMA systems. The objective is to maximize the resource utilization in a network, while a required quality of service (QoS) per user is satisfied. A notion of revenue maximization is used to determine the optimal OFDMA subcarrier allocation to different users based on their required QoS. The optimal solution for the problem is presented and its performance and complexity are studied. An iterative low complexity algorithm is also proposed to achieve near optimal performance.
DOI:	10.1109/GLOCOM.2004.1378493