An Adaptive Retry-Limit Scheme for Real-Time IEEE 802.11 Based Wireless Industrial Networks

被引：0
|
作者：
Maadani, Mohsen [1 ]
Motamedi, Seyed Ahmad [2 ]
机构：
[1] Islamic Azad Univ, Shahr E Qods Branch, Dept Engn, Tehran, Iran
[2] Amirkabir Univ Technol, Dept Elect Engn, Tehran, Iran
来源：
PROCEEDINGS OF 2012 7TH INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE & EDUCATION, VOLS I-VI | 2012年
关键词：
Wireless Industrial Network; IEEE; 802.11; Retry Limit; Reliability; Delay;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Being reliable and real-time, are the two most challenging requirements of wireless industrial networks due to the shared, error-prone and non-deterministic behaviour of wireless communication medium. Retry-Limit (RL) parameter of IEEE 802.11 standard directly effects on the packet reliability, whereas other parameters mostly effect on packet delay. In this paper, at first the delay-reliability trade-off in wireless industrial networks based on IEEE 802.11 standard, utilizing Enhanced Distributed Channel Access (EDCA) at Medium Access Control (MAC) layer has been studied. Then a simple adaptive retry-limit scheme to minimize packet delay while satisfying the required reliability at low signal to noise ratios (SNR's) is proposed.
引用
收藏
页码：267 / 271
页数：5
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