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Abstract
Wireless communication systems more and more become part of our daily live. Especially with the Internet of Things (IoT) the overall connectivity increases rapidly since everyday objects become part of the global network. For this purpose several new wireless protocols have arisen, whereas 6LoWPAN (IPv6 over Low power Wireless Personal Area Networks) can be seen as one of the most important protocols within this sector. Originally designed on top of the IEEE802.15.4 standard it is a subject to various adaptions that will allow to use 6LoWPAN over different technologies; e.g. DECT Ultra Low Energy (ULE). Although this high connectivity offers a lot of new possibilities, there are several requirements and pitfalls coming along with such new systems. With an increasing number of connected devices the interoperability between different providers is one of the biggest challenges, which makes it necessary to verify the functionality and stability of the devices and the network. Therefore testing becomes one of the key components that decides on success or failure of such a system. Although there are several protocol implementations commonly available; e.g., for IoT based systems, there is still a lack of according tools and environments as well as for functional and conformance testing. This article describes the architecture and functioning of the proposed test framework based on Testing and Test Control Notation Version 3 (TTCN-3) for 6LoWPAN over ULE networks.
Highlights
With the upcoming Internet of Things (IoT), wireless communication systems and its devices more and more become part of our daily live and the overall connectivity increases rapidly since everyday objects become part of the global network
This language—developed and maintained by European Telecommunications Standards Institute (ETSI)—does not define specific communication interface to the System Under Test (SUT), though it provides an abstraction of the communication port towards the SUT which in turn should be implemented in another programming language
The test framework should comply with the following requirements: 1) It should be flexible enough to operate with virtual devices and with real devices without changes
Summary
With the upcoming Internet of Things (IoT), wireless communication systems and its devices more and more become part of our daily live and the overall connectivity increases rapidly since everyday objects become part of the global network. Several new wireless protocols have been developed for this purpose whereas 6LoWPAN (IPv6 over Low power Wireless Personal Area Networks) has emerged as one of the most important protocols. The main idea of 6LoWPAN is to allow the communication using the widely spread IPV6 protocol even on resource constrained devices. One of the recent adaptions is the 6LoWPAN communication over DECT Ultra Low Energy (ULE) networks which is currently driven by the ULE Alliance. This paper is structured as following: Section 2 provides a brief overview of IPv6 for DECT ULE networks, as well as displays the need to perform tests. The description of the Test System and all respective components follows in Sections 4 and 5.
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