Zobrazeno 1 - 3
of 3
pro vyhledávání: '"mine radio waves"'
Autor:
LI Chenxin
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 7, Pp 79-88 (2024)
Based on the current research results and practical experience of 5G in coal mines, this paper analyzes the research status and development direction of key technologies for 5G in coal mines from three aspects:5G private network architecture, coverag
Externí odkaz:
https://doaj.org/article/f61d31dd97324ee6ae7a98b90f31c5ca
Autor:
SUN Jiping, PENG Ming
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 3, Pp 1-5 (2024)
High power radio waves emitted by mobile communication systems such as 5G, 5.5G, WiFi6, WiFi7, UWB, ZigBee, as well as personnel and vehicle positioning systems in mines, pose a risk of igniting gas and coal dust. Therefore, it is necessary to set a
Externí odkaz:
https://doaj.org/article/1c907a99cb9d47e8b139c52f5d57e3c9
Autor:
SUN Jiping, PENG Ming
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 6, Pp 1-5, 22 (2024)
The current national standard GB/T 3836.1-2021 Explosive atmospheres-Part 1: Equipment-General requirements and the international standard IEC 60079-0:2017 Explosive atmospheres-Part 0: Equipment-General requirements stipulate that the threshold powe
Externí odkaz:
https://doaj.org/article/d677469e564d49e08d3e611951b45fa3