Results 1 - 10 of 131

• Advanced Tutorial on Wireless Communication and Electronic Tracking: Introduction
  5/9/2019 - Training materials
  This tutorial provides an advanced discussion of the available CT technologies, operating characteristics and general system performance considerations with descriptions of specific uses for primary and secondary communications.
• Basic Tutorial on Wireless Communication and Electronic Tracking: Technology Overview
  2/6/2013 - Training materials
  This tutorial provides a brief overview of CT systems intended to meet the needs of people who require a basic understanding of the distinguishing features and operations of different CT systems.
• Technology News 546 - Medium Frequency Mine Emergency Communications - An Emerging Technology
  2/1/2012 - Technology News
  Medium frequency communications systems do not require a powered underground infrastructure to be installed for operation, and may therefore provide a higher degree of survivability after a mine disaster than other types of systems.
• Theory on the Propagation of UHF Radio Waves in Coal Mine Tunnels
  3/1/1975 - Peer reviewed journal articles
  The theoretical study of UHF radio communication in coal mines, with particular reference to the rate of loss of signal strength along a tunnel, and from one tunnel to another around a corner is the concern of this paper. This work was part of an invest...
• Coexistence and Safety of Wireless Systems in Mining
  10/17/2023 - Research projects
  A project to determine if existing regulations, standards, or guidelines developed for nonmining industrial, commercial, and medical sectors are adequate to ensure coexistence and safety of wireless systems in the mining sector.
• Leaky Feeder Mine Communications System
  2/24/2023 - Contracts and cooperative agreements
  A contract to investigate techniques to increase the survivability of leaky feeder communication systems.
• Wireless Network Performance Requirements for Safety-Critical Systems in Mining
  5/18/2022 - Research projects
  A project to determine relevant performance requirements to ensure robustness of existing and emerging wireless network technologies as applied to safety-critical systems in the mining industry.
• Visual-Inertial Drone Navigation for Underground Mine Environments
  2/6/2020 - Contracts and cooperative agreements
  A contract to develop and evaluate autonomous navigation solutions for drones operating in GPS-denied mining environments.
• Measurement of the Influence of Antennas on Radio Signal Propagation in Underground Mines and Tunnels
  10/4/2019 - Peer reviewed journal articles
  This paper reports the influence of antennas on radio signal propagation in tunnels and underground mines.
• Expanding the Use of Unmanned Aerial Vehicles (UAVs) in GPS-Denied Environments
  8/29/2019 - Contracts and cooperative agreements
  A contract to create a fully autonomous unmanned aerial vehicle solution for underground mines.