KDR RSS 3DES Alzheimer BLE Cloud Computing EHR Estimasi Posisi Filter Kalman Free-Space Path Loss Hierarchical Clustering KGR Kalman Key Generation Notifikasi Polynomial Regression Praproses RSSI Reciprocity Secret Key Steganography Symmetric Cryptography T10.5-11.9 Communication of technical information T58.5-58.64 Information technology T59.5 Automation V2V security lokalisasi modified pre-processing method modified quantization method multilevel lossy quantization secret key generation secret key generation scheme sharing smart card trilaterasi vehicle-to-vehicle