Sandip Bapat William Leal Taewoo Kwon Pihui Wei Anish Arora Chowkidar: Reliable and scalable health monitoring for wireless sensor network testbeds. 2009 4 TAAS 1 http://doi.acm.org/10.1145/1462187.1462190 db/journals/taas/taas4.html#BapatLKWA09