In view of the current status of voice communications in mine, a design method of real time
environment monitoring system which can also transmit an emergency voice based on …

The drawback of the current voice communication for coal mine is that only the wired
scheduling telephone or a small flexible phone for mine is used for voice contact. According …

Wireless sensor networks (WSNs) are the hot research field which integrate micro-sensors
with monitor real-time collaboration, perception and collection of a variety of environmental …

The environment of mine exploitation is special and dangerous, how to real-time monitor
and collect information on the various nodes, how to master the location of miner and the …

In order to ensure the safety in production, it is necessary to build a wireless communication
system that does not rely on a wire backbone. With the development of wireless sensor …

For disadvantages of the present mine voice communication systems, a kind of wireless
voice communication system based on Zig Bee is put forward. The paper provides detailed …

In order to guarantee the safety of the coal production and effectiveness better, this paper
designs a monitoring system for coal mine safety based on wireless sensor networks, and …