Federated learning 2 Privacy preserving 2 Privacy-preserving techniques 2 User devices Adversarial server 1 Authentication 1 Average consensus 1 Average modeling 1 Communication cost 1 Computation costs 1 Computer aided instruction 1 Decentralised sensor networks 1 Dynamic average consensus 1 Efficiency 1 Group signature 1 Group signatures 1 IID data 1 Iterative methods 1 Learning systems 1 Machine learning techniques 1 Model aggregations 1 Network security 1 Privacy preservation 1 Sensitive datas 1 Topology 1 User data 1 decentralized sensors network 1 dynamic average consensus 1 federated learning 1