CHOSeN will develop appropriate technology, including advanced configurable RF and digital baseband transceiver hardware, networking protocols with scalable Quality of Service in respect of transmission speed, robustness, security, and low-power support, and a generic collaboration middleware that abstracts from the diversity and heterogeneity provided by the layers below, and it will thereby improve the state-of-the-art in system maintenance utilizing heterogeneous wireless sensor technologies. CHOSeN has strong focus on providing practical solutions for the automotive and the aerospace application domain, which promise better, more reliable and easier to maintain products in two of the most significant European industrial domains. The quality of the CHOSeN consortium is high with a balanced mix of partners from academia, SMEs and industry, and a strong industrial presence which covers the entire vertical application domains considered.