Acknowledgements
The work supported by the Advanced Communication Systems Ltd and its associates.
Jose M. would like to sincerely recognise and thank Carmen for her unconditional support, sailing with us aboard the river of life.
Jose M. would also like to personally thank Professor Pedro M. Ruiz, at the University of Murcia, recognised expert in sensing platforms and wireless sensors because he showed me the incredible world of distributed sensing devices, I couldn't have been able to accomplish my contribution of the book without his help.
Finally, Jose M. would like to thank Fundación Seneca for grant #15714/PD/10.
