山岳トンネル (16)

[VI-803] Installation of wireless telecommunication network facilities connected with optical cables in mountain tunnel under construction

*Norihisa Nakahara¹, Ami Muraoka¹, Takahito Funahashi¹, Fujio Sushida¹, Toshihiro Koyama¹, Shouta Yamashita¹, Yuji Sano¹, Yonesaburou Shimane¹ (1. TEKKEN)

Keywords:mountain tunnel, optical cable, telecommunication network facilities in mountain tunnel under construction, wifi, radio strength, remote control