Opportunistic scheduling for multiclass services with different QoS constraints in wireless data networks

被引：0
|
作者：
Liao, Dan [1 ]
Li, Lemin [1 ]
机构：
[1] Univ Elect Sci & Technol China, Key Lab Broadband Opt Fiber Transmiss & Commun Ne, Chengdu 610054, Peoples R China
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2008年 / 62卷 / 08期
基金：
中国国家自然科学基金;
关键词：
opportunistic scheduling; multiclass services; multi-constraint; quality of servicc (QoS) guarantee;
D O I：
10.1016/j.aeue.2007.07.013
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, we focus on the problem with the objective to maximize the system performance, while guaranteeing specified QoS constraints for multiple user classes in wireless data networks. First, we propose two opportunistic scheduling algorithms that exploit time-varying channel conditions for the special two-constraint case, and then propose an opportunistic scheduling algorithm for the general case. Simulation results illustrate that the proposed scheduling algorithms guarantee the different constraints, and achieve high-system performance that is close to the true optimal value using a known general-purpose optimization package, lingo. (c) 2007 Elsevier GmbH. All rights reserved.
引用
收藏
页码：631 / 634
页数：4
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