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NIOSH-sponsored research in through-the-earth communications for mines - a status report.

Authors
Yenchek-M; Damiano-N; Homce-G; Srednicki-J
Source
2011 IEEE Industry Applications Society Annual Meeting: Forty-sixth IAS Annual Meeting, October 9-13, 2011, Orlando, Florida. Piscataway, NJ: Institute of Electrical and Electronics Engineers, 2011 Oct; :333-339
NIOSHTIC No.
20039814
Abstract
This paper presents the results of recent NIOSHsponsored contractual research aimed at demonstrating the feasibility of through-the-earth wireless communications in mining. Through-the-earth systems, developed by five different contractors, are discussed with a focus on technical approach, prototype hardware, and field test results. System features include both magnetic and electric field sensing, loop and line antennas, digital and analog processing, noise filtering and cancellation, and direction finding. The systems were demonstrated at commercial mine sites. The results of these tests are charaterized by transmission range and power levels. The paper concludes with a discussion of issues that remain to be resolved as through-the-earth communications are implemented. These include text vs. voice format, acceptable time delays, portability, ease of deployment, interface with existing communications systems, permissibility, and the effect of geological variations.
Keywords
Equipment-design; Equipment-reliability; Mine-workers; Mining; Mining-equipment; Mining-industry; Risk-analysis; Safety-engineering; Safety-measures; Underground-mining; Author Keywords: Wireless communications; Vocoders; Receivers; Communication systems
Contact
Nicholas Damiano, National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory, P.O. Box 18070, 626 Cochrans Mill Road, Pittsburgh, PA 15236
Publication Date
20111001
Document Type
Conference/Symposia Proceedings
Email Address
NDamiano@cdc.gov
Fiscal Year
2012
NTIS Accession No.
NTIS Price
ISBN No.
9781424494989
Identifying No.
B11122011
ISSN
0197-2618
NIOSH Division
OMSHR
Priority Area
Mining
Source Name
2011 IEEE Industry Applications Society Annual Meeting: Forty-sixth IAS Annual Meeting, October 9-13, 2011, Orlando, Florida
State
PA; FL; NJ
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