C. Chang, D. Sabella, D. García-Roger, D. Ferling, F. Tillman, G. Dell\\\\\\\'Aera, L. Gomes Baltar, M. Färber, , N. Nikaein, P. Serrano, R. Knopp, S. Roger, S. Mayrargue, T. Rautio, Implementation of Hardware and Software Platforms , Chapter in 5G System Design: Architectural and Functional Considerations and Long Term Research, published by Wiley. ISBN: 978-1-119-42512-0. May 2018.