| 一种基于服务质量保证的多天线跨层调度方法 |
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| 引用本文： | 王君,邱玲. 一种基于服务质量保证的多天线跨层调度方法[J]. 计算机仿真, 2008, 25(5): 121-124 |
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| 作者姓名： | 王君 邱玲 |
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| 作者单位： | 中国科学技术大学扩频实验室,安徽,合肥,230027;中国科学技术大学扩频实验室,安徽,合肥,230027 |
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| 基金项目： | 国家自然科学基金 , 国家高技术研究发展计划(863计划) |
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| 摘 要： | 多天线技术由于其能显著地提升系统吞吐率而备受关注.基站通过选择当前信道状态最好的用户进行通信能进一步提升系统吞吐率.但系统仅根据用户的信道状态信息调度用户会引起用户服务质量的下降.基于以上考虑.提出了一种基于服务质量保证的跨层调度算法.考虑了两种业务类型,实时业务和非实时业务.为了保证这两种不同业务类型不同的服务质量要求,系统为每个用户赋予一个与之对应的优先级参数.优先级参数随用户的服务状态和信道信息动态变化.调度器根据用户的优先级参数调度用户.仿真结果表明,提出的多用户调度算法能在满足用户服务质量要求的前提下,实现对无线资源的有效利用.
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| 关 键 词： | 多天线 跨层调度 服务质量 |
| 文章编号： | 1006-9348(2008)05-0121-04 |
| 修稿时间： | 2007-05-09 |
A QoS Based Multi-antenna Cross-layer Scheduling Algorithm |
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| WANG Jun,QIU Ling. A QoS Based Multi-antenna Cross-layer Scheduling Algorithm[J]. Computer Simulation, 2008, 25(5): 121-124 |
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| Authors: | WANG Jun QIU Ling |
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| Affiliation: | WANG Jun,QIU Ling (PCN&SS Lab,University of Science , Technology of China,Hefei Anhui 230027,China) |
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| Abstract: | Multi-antenna technique has gained much attention due to its capability of increasing the system throughput dramatically. Selecting the users who have the best channel gains to transmit can further increase the system throughput. But the Quality-of-Service (QoS) provided for the users in the system will have a great loss, if the base station schedules users solely based on their channel conditions. To solve this problem, a new cross-layer scheduling algorithm based on QoS is proposed. Two service types are ... |
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| Keywords: | Multi-antenna Cross-layer Quality of service |
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