Mobile Lightweight Wireless Systems : Third International ICST Conference, MOBILIGHT 2011, Bilbao, Spain, May 9-10, 2011, Revised Selected Papers - Javier Ser, Eduard Axel Jorswieck, Joaquin Miguez, Marja Matinmikko, Daniel P. Palomar, Sancho Salcedo-Sanz, Sergio Gil-Lopez ((Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering))