Abstract
Institute of Reliable Embedded Systems and Communication Electronics, Offenburg University of Applied Sciences, Germany has developed an automated testing environment, Automated Physical TestBeds (APTB), for analyzing the performance of wireless systems and its supporting protocols. Wireless physical networking nodes can connect to this APTB and the antenna output of this attaches with the RF waveguides. To model the RF environment this RF waveguides then establish wired connection among RF elements like splitters, attenuators and switches. In such kind of set up it’s well possible to vary the path characteristics by altering the attenuators and switches. The major advantage of using APTB is the possibility of isolated, well controlled, repeatable test environment in various conditions to run statistical analysis and even to execute regression tests. This paper provides an overview of the design and implementation of APTB, demonstrates its ability to automate test cases, and its efficiency.
Highlights
Over the last decade, wireless networks have been deployed at almost all the areas
There are many challenges in wireless network research which are nicely listed in [1], [18].The major approaches used for performance evaluation of wireless networks are simulation, virtualization, outdoor field test, and emulation
The first generation consists of elements like network nodes, management nodes, a client computer, a deployment support network (DSN), with an embedded web server running web 2.0 technology for remote monitoring and control of its main elements
Summary
Wireless networks have been deployed at almost all the areas. The exciting capabilities made possible by the inexpensive ubiquity of wireless networking technology, has led to a massive amount of research activity to improve the performance of existing wireless networks, and develop new applications based on this technology such as wireless sensor networks and internet of things. In this paper we describe the architecture and implementation details our third generation fully automated emulator for wireless networks This includes the physical networking nodes, RF elements to allow the controlling of RF environment between the participating nodes, and automated control software. APTB promises to achieve much of the flexibility of wireless emulators while maintaining great realism of real wireless networks [4] This contribution is structured as follows: Ch. 2 gives a review on the previously developed emulator platforms by other researchers and the previous generation of emulator by author’s Ch. 3 presents the APTB architecture and implementation details, whereas Ch. 4 gives an overview of experience with APTB, Ch. 5 concludes the paper
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