QoS保证的无线系统资源分配和调度策略

被引:1
|
作者
余官定
张朝阳
仇佩亮
机构
[1] 浙江大学信电系信息与通信工程研究所
[2] 浙江大学信电系信息与通信工程研究所 杭州310027
关键词
无线通信; 资源分配; 调度策略; 遍历容量; 多用户分集; 服务质量要求;
D O I
暂无
中图分类号
TN925 [无线电中继通信、微波通信];
学科分类号
080402 ; 080904 ; 0810 ; 081001 ;
摘要
该文研究了无线通信系统保证用户服务质量要求(QoS)的资源分配和调度策略,从信道遍历容量角度出发分析基于RoundRobin(RR)和多用户分集/RR思想的调度策略,并提出一种性能更好的部分多用户分集调度策略。该策略将一帧分成若干子帧,子帧的大小以及当前用户集合由无线资源分配算法根据用户的速率要求确定,调度机在每个时刻将各子帧分配给当前用户集合中信道增益最好的用户。仿真结果表明,相比于RR调度和多用户分集/RR调度,部分多用户分集调度能够减少信道占用率并且提高平均信道容量。
引用
收藏
页码:138 / 142
页数:5
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