基于Wi-Fi的无线控制网络TDMA协议的设计
发布时间：2019-05-30 08:58
【摘要】：为解决多种网络协议共存的混合无线网络环境中,控制信息高速、实时、可靠传输的问题,在IEEE802.11协议MAC层基础上开发了TDMA协议。该协议在充分利用Wi-Fi高传输速率的同时,解决了Wi-Fi退避重传机制导致传输时延不确定的问题,增强系统的实时性。实验结果表明,协议在保证95%以上的传输可靠性的同时,传输速率可达5 Mb/s,相较于典型的基于IEEE 802.15.4协议的工业控制网络有大幅提高。TDMA系统中的短帧中有95.4%、长帧中有89.87%可以在2 ms以内的发送完成,传输时延远低于原有的Wi-Fi标准。此外,系统不改变上层协议栈,保持接口的兼容性,便于控制应用程序的开发。
[Abstract]:In order to solve the problem of high speed, real time and reliable transmission of control information in hybrid wireless network environment where multiple network protocols coexist, TDMA protocol is developed on the basis of MAC layer of IEEE802.11 protocol. While making full use of the high transmission rate of Wi-Fi, the protocol solves the problem of uncertain transmission delay caused by Wi-Fi back-off retransmission mechanism and enhances the real-time performance of the system. The experimental results show that the transmission rate can reach 5 Mb/s, while ensuring more than 95% transmission reliability. Compared with the typical industrial control network based on IEEE 802.15.4 protocol, 95.4% of the short frames and 89.87% of the long frames can be transmitted within 2 ms. The transmission delay is much lower than the original Wi-Fi standard. In addition, the system does not change the upper protocol stack, maintains the compatibility of the interface, and is convenient to control the development of the application program.
【作者单位】： 武汉大学电子信息学院;
【分类号】：TN92
本文编号：2488710
[Abstract]:In order to solve the problem of high speed, real time and reliable transmission of control information in hybrid wireless network environment where multiple network protocols coexist, TDMA protocol is developed on the basis of MAC layer of IEEE802.11 protocol. While making full use of the high transmission rate of Wi-Fi, the protocol solves the problem of uncertain transmission delay caused by Wi-Fi back-off retransmission mechanism and enhances the real-time performance of the system. The experimental results show that the transmission rate can reach 5 Mb/s, while ensuring more than 95% transmission reliability. Compared with the typical industrial control network based on IEEE 802.15.4 protocol, 95.4% of the short frames and 89.87% of the long frames can be transmitted within 2 ms. The transmission delay is much lower than the original Wi-Fi standard. In addition, the system does not change the upper protocol stack, maintains the compatibility of the interface, and is convenient to control the development of the application program.
【作者单位】： 武汉大学电子信息学院;
【分类号】：TN92
【相似文献】
相关期刊论文 前6条
1 王友山;李操;;基于固定电话和无线控制的家电系统设计[J];中国科技信息;2012年18期
2 胡志竹;;工业无线控制网络网络层解决方案[J];信息技术;2010年12期
3 阮国强;叶念渝;田俊;杨义成;;基于nRF401微控制器M16C/62的无线控制[J];兵工自动化;2006年05期
4 ;飞思卡尔推出用于无线控制的低功率射频传输/接收设备[J];电子技术应用;2007年07期
5 袁丽娜;;浅析ZigBee技术[J];无线互联科技;2013年02期
6 ;[J];;年期
相关会议论文 前1条
1 杨世兴;卢志强;;基于蓝牙技术的无线控制研究[A];第十三届全国煤矿自动化学术年会、中国煤炭学会自动化专业委员会学术会议论文集[C];2003年
，本文编号：2488710
本文链接：https://www.wllwen.com/kejilunwen/xinxigongchenglunwen/2488710.html
