1A2-G19 Development and evaluation of VoIP system suitable for rescue activity in underground space
Yasushi Hada, Yasuhiro Tanaka, Takayuki KAISO, Kentaro MATSUYAMA, Takeshi Suzuki, Osamu Takizawa · The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) · 2009
We describe the VoIP system for rescue activity in underground space. The system works on the hybrid ad-hoc network using both wired LAN and wireless LAN, and it enhances the communication distance of voice communication. We realized the communication features and redundancy of prototype system.