Large-scale wireless sensor networks:decentralized signal processing,node localization,sensor selection blind anchor how to localize blinds with anchors? how to fuse big sensory data? e.g.structural health monitoring difficulty in data transmission → decentralized optimization without any fusion center how to assign sensors to targets? 33 Large-scale wireless sensor networks: decentralized signal processing, node localization, sensor selection … how to fuse big sensory data? e.g. structural health monitoring how to localize blinds with anchors? blind anchor how to assign sensors to targets? difficulty in data transmission → decentralized optimization without any fusion center