| IEEE 802.11a移动应用性能仿真研究与优化 |
| |
| 引用本文： | 邹复民,蒋新华,王桐森,赖宏图,林漳希. IEEE 802.11a移动应用性能仿真研究与优化[J]. 计算机工程与应用, 2008, 44(23): 93-97. DOI: 10.3778/j.issn.1002-8331.2008.23.029 |
| |
| 作者姓名： | 邹复民 蒋新华 王桐森 赖宏图 林漳希 |
| |
| 作者单位： | 1.中南大学 信息科学与工程学院，长沙 410075 2.福建工程学院 下一代互联网应用技术研究中心，福州 350014 3.德克萨斯理工大学 商学院，美国Lubbock，TX 79409-2101 |
| |
| 基金项目： | 福建省重大产业技术开发专项项目 , 福建省重点高新技术研究开发计划 |
| |
| 摘 要： | IEEE 802.11a移动应用是当前的研究热点问题之一。通过系统仿真，定量分析了802.11a在视距/非视距、不同多径传输、不同移动速度、不同信噪比条件下的系统性能，总结了802.11a移动应用的受限条件；在通过分析不同数据帧长、不同发送速率对系统性能影响的基础上，提出了802.11a移动应用的4种优化策略。研究还发现，经优化后的802.11a移动应用系统在受限条件下可以为120 km/h的快速移动用户提供约10 Mb/s的MAC层实际传输速率。
|
| 关 键 词： | 移动通信 IEEE802.11a 多径传输 数据帧长 发送速率 |
| 收稿时间： | 2007-10-15 |
| 修稿时间： | 2008-1-11 |
Simulation and improvements for performance of IEEE 802.11a for fast moving applications |
| |
| ZOU Fu-min,JIANG Xin-hua,WANG Tong-sen,LAI Hong-tu,LIN Zhang-xi. Simulation and improvements for performance of IEEE 802.11a for fast moving applications[J]. Computer Engineering and Applications, 2008, 44(23): 93-97. DOI: 10.3778/j.issn.1002-8331.2008.23.029 |
| |
| Authors: | ZOU Fu-min JIANG Xin-hua WANG Tong-sen LAI Hong-tu LIN Zhang-xi |
| |
| Affiliation: | 1.School of Information Science and Engineering，Central-South University，Changsha 410075，China 2.Research Center for Next-Generation Internet Tech. & Apps.，Fujian University of Technology，Fuzhou 350014，China 3.College of Business Administration，Texas Tech University，Lubbock，TX 79409，USA |
| |
| Abstract: | It has attracted many researchers’ attention to provide broadband network services for the fast moving users with the off-the-shelf IEEE 802.11a technology.Based on the simulation outcomes，quantitative performance of 802.11a is analyzed under various mobile application scenarios，e.g.，LOS/NLOS，multi-path propagation，moving speed and SNR.And，a number of approaches are proposed to improve the performance of 802.11a under aggressive circumstance according to the comparison of different configurations with frame duration and send data rate.It also is found that with the configuration optimizing，the 802.11a system can provide about 10 Mb/s in MAC layer for 120 km/h mobile applications under a restricted condition. |
| |
| Keywords: | mobile communication IEEE 802.11a multi-path propagation frame duration send data rate |
| 本文献已被 万方数据 等数据库收录！ |
| 点击此处可从《计算机工程与应用》浏览原始摘要信息 |
|
点击此处可从《计算机工程与应用》下载免费的PDF全文 |
