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

页码：267 / 271

页数：5

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