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C, ZHANG Yi, XU Zhao, GAO Min. Theory and key technologies research on adaptive multi-antenna in coal mine tunnel[J]. Journal of Mine Automation, 2017, 43(10): 48-52. DOI: 10.13272/j.issn.1671-251x.2017.10.010
Citation: C, ZHANG Yi, XU Zhao, GAO Min. Theory and key technologies research on adaptive multi-antenna in coal mine tunnel[J]. Journal of Mine Automation, 2017, 43(10): 48-52. DOI: 10.13272/j.issn.1671-251x.2017.10.010
shu

Theory and key technologies research on adaptive multi-antenna in coal mine tunnel

  • 1.

    Internet of Things(Perception Mine) Research Center, China University of Mining and Technology, Xuzhou 221008, China

  • 2.

    The National and Local Joint Engineering Laboratory of Mine Internet Technolog

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    • Abstract
  • Characteristics of wireless communication environment and multi-antenna radiation in coal mine tunnel were analyzed. An adaptive multi-antenna technology was proposed on basis of tunnel waveguide theory and adaptive array antenna technology. Basic composition and principle of the adaptive multi-antenna in coal mine tunnel were introduced. Meanwhile, key technologies needed to be further studied were discussed. The adaptive multi-antenna in coal mine tunnel can selectively control number, type and intensity of guided wave modes according to channel characteristics, so as to improve underground status of wireless communication coverage from the source and performance of coal mine wireless communication system.
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