Multi-user fair scheduling in the downlink of CDMA packet systems

被引：1
|
作者：
Kim, Sangbum [1 ]
Hong, Daehyoung [1 ]
机构：
[1] Sogang Univ, Dept Elect Engn, Seoul 121742, South Korea
来源：
IEEE COMMUNICATIONS LETTERS | 2007年 / 11卷 / 03期
关键词：
CDMA; downlink; scheduling; radio resource management; fairness;
D O I：
10.1109/LCOMM.2007.061703
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
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 [1] 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.
引用
收藏
页码：228 / 230
页数：3
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