Resource allocation for multiuser space-time coding based OFDM systems with QoS provision

被引：0
|
作者：
Hu, ZP [1 ]
Zhu, GX [1 ]
Xiao, X [1 ]
Chen, ZL [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Dept Elect & Informat Engn, Wuhan 430074, Peoples R China
来源：
VTC2005-FALL: 2005 IEEE 62ND VEHICULAR TECHNOLOGY CONFERENCE, 1-4, PROCEEDINGS | 2005年
关键词：
space time coding; OFDM; adaptive subcarrier allocation; QoS;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, resource allocation problems for multiuser space-time block coding based OFDM systems are investigated. Specifically, with the goal of minimizing overall transmit power, a subcarrier, power assignment criterion and an recursive allocation algorithm which fulfills users' QoS requirements, including bit error rate and data rate constraint are proposed. Analyses and numeric simulations demonstrate that the proposed subcarrier assignment schemes can exploit multiuser diversity to provide significant system-level performance improvement and guarantee different users' QoS requirements effectively.
引用
收藏
页码：2120 / 2123
页数：4
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