Due to the growing market and research interests on communication protocols for applications that require little or no human intervention, called Machine-to-Machine (M2M) applications, the European Telecommunications Standardization Institute (ETSI) founded in 2009 a Technical Committee on the topic, which has released its first complete set of technical recommendations in October 2011 as ETSI M2M Release 1. The standard is agnostic with respect to both the application domains in which it can be used, ranging from, e.g., smart grid to personal health systems, and the underlying data transport and access technologies.
We demonstrate the feasibility of an ETSI-compliant complete end-to-end system, which uses the Constrained Application Protocol (CoAP) protocol under definition at the Internet Engineering Task Force (IETF), showing its potential to meet the expectations of M2M applications of practical interest.
Machine-to-Machine (M2M); Constrained Application Protocol (CoAP); Internet of Things (IoT)
The deployment of more sustainable land transportation is a non-debatable global issue. It is generally agreed that Information and Communication Technology (ICT) will play the role of the main enabler to achieve the ambitious objective of improving transportation efficiency, thus reducing pollution, time and resource wastage, and accidents. In this paper we first discuss the general architecture of the ICT infrastructure for the new generation of Intelligent Transportation Systems (ITSs). Then, we focus on the data network for transferring information between the devices that are installed road-side and in the vehicles, and the data center where the actual storage and logic resides. Specifically, the state-of-theart on wireless technologies that can be used to this purpose is reviewed, and one solution is investigated in details by also providing results from preliminary laboratory trials showing its effectiveness in practical scenarios.
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