Multi-user Fair Scheduling in the Downlink of CDMA Packet Systems
A fair scheduling algorithm is proposed to improve the system throughput while maintaining the fairness in the downlink of a code-division multiple access (CDMA) system employing AMC and multicodes. R. Kwan and C. Leung suggested an optimal scheduling to maximize the total throughput based on simult...
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| Veröffentlicht in: | IEEE communications letters 2007-03, Vol.11 (3), p.228-230 |
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| creator | KIM, Sangbum HONG, Daehyoung |
| description | A fair scheduling algorithm is proposed to improve the system throughput while maintaining the fairness in the downlink of a code-division multiple access (CDMA) system employing AMC and multicodes. R. Kwan and C. Leung suggested an optimal scheduling to maximize the total throughput based on simultaneous transmissions strategy. In this letter, we extend the optimal scheduling so that some degree of fairness can be maintained. We formulate a mixed-integer nonlinear programming problem to assign the radio resources such as the transmit power and codes to several users effectively. The result shows that the proposed algorithm provides a significant throughput gain over PF scheduling with one-by-one transmission at the same level of fairness |
| doi_str_mv | 10.1109/LCOMM.2007.061703 |
| format | Article |
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R. Kwan and C. Leung suggested an optimal scheduling to maximize the total throughput based on simultaneous transmissions strategy. In this letter, we extend the optimal scheduling so that some degree of fairness can be maintained. We formulate a mixed-integer nonlinear programming problem to assign the radio resources such as the transmit power and codes to several users effectively. 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R. Kwan and C. Leung suggested an optimal scheduling to maximize the total throughput based on simultaneous transmissions strategy. In this letter, we extend the optimal scheduling so that some degree of fairness can be maintained. We formulate a mixed-integer nonlinear programming problem to assign the radio resources such as the transmit power and codes to several users effectively. The result shows that the proposed algorithm provides a significant throughput gain over PF scheduling with one-by-one transmission at the same level of fairness</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/LCOMM.2007.061703</doi><tpages>3</tpages></addata></record> |
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| ispartof | IEEE communications letters, 2007-03, Vol.11 (3), p.228-230 |
| issn | 1089-7798 1558-2558 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Adaptive scheduling Algorithms Applied sciences Base stations C (programming language) Code division multiple access Data communication Downlink Exact sciences and technology Multiaccess communication Multiple access Nonlinear programming Optimal scheduling Optimization Resource management Scheduling Scheduling algorithm Strategy Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Throughput Transmission and modulation (techniques and equipments) Web and internet services |
| title | Multi-user Fair Scheduling in the Downlink of CDMA Packet Systems |
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