8Th Ieee International Conference on Distributed Computing in Sensor Systems (Dcoss)/Iwsn/Wisarn/Pwsn, Date: MAY 16-18, 2012, Location: Hangzhou, PEOPLES R CHINA, Patrocinadores: IEEE, IEEE Comp Soc, Univ S Carolina, Coll Engn & Comp, Zhejiang Univ, IEEE Comp Soc Tech Comm Parallel Proc (TCPP), IEEE Comp Soc Tech Comm Distributed Proc (TCDP)