The networks with wireless links for automation control applications traffic transmission when packets have small size and application payload is predictable are under consideration. Analytical model for packets delay on their propagation path through the network is proposed. Estimations for network architectures based on WiFi and Bluetooth wireless technologies are made. The specifications for physical layer 802.11 a/b/g/n and 802.15.1 are under consideration. Analytical and experimental results for delivered network bandwidth for different network architecture, traffic structure and wireless technologies were compared to validate that basic mechanisms are correctly taken into account in the model. It is shown that basic effects are taken into account and further accuracy “improvement” of the model will give not more than 5%. As a result that is important for automation control applications we have reliably received the lowest possible level for packets delay in one wireless link. For 802.11 it is of order of 0.2 ms, for 802.15.1 it is 1.25 ms and is true when application packet can be transferred by one data frame.
If the inline PDF is not rendering correctly, you can download the PDF file here.
1. Krivchenkov A. and Saltanovs R. (2014) The performance analysis of WiFi data networks used in automation systems. In: Proceedings of the 14th International Conference “RELIABILITY and STATISTICS in TRANSPORTATION and COMMUNICATION” (RelStat’14) pp. 356-366.
2. Gast M. (2002) 802.11 Wireless Networks: The Definitive Guide. O'Reilly 464 pp.
3. Gast. M. (2003) When Is 54 Not Equal to 54? A Look at 802.11a b and g Throughput published on Wireless DevCenterhttp://www.oreillynet.com/wireless/.
4. Qiang Ni. (2005) Design and Analysis of MAC Protocol for IEEE 802.11n published of Hamilton Institutewww.hamilton.ie/ncnrc/ 23 pp.
5. Tanenbaum A.S. and Wetherall D.J. (2011) Computer networks. 5th ed. Pearson Education Inc. publishing as Prentice Hall.
6. Pahlavan K. and Krishnamurthy P. (2009) Networking Fundamentals: Wide Local and Personal Area Communications John Wiley & Sons Ltd. ISBN: 978-0-470-99289-0.