Proximity distance estimation based on capacitive coupling between 1mm3 sensor nodes. - Tatsuya Shinada; Masanori Hashimoto; Takao Onoye (NEWCAS, 2013)

3D node localization from node-to-node distance information using cross-entropy method. - Shohei Ukawa; Tatsuya Shinada; Masanori Hashimoto; Yuichi Itoh; Takao Onoye (VR, 2015)