ABSTRACT
Contents 12.1 Overview ................................................................................................. 266
12.1.1 Challenges ................................................................................... 268 12.1.1.1 Limited Resources ........................................................ 268 12.1.1.2 Diversity ....................................................................... 268 12.1.1.3 Nonavailability of WSEE ..............................................269 12.2 Lightweight WSEE ..................................................................................269
