TY JOUR TI APPLICATION OF LI-FI TECHNOLOGY TO A DRILLING RIG KW radio-wave radiation KW Li-Fi technology KW data transmission KW LED lamp KW LED lighting JO Vestnik of Astrakhan State Technical University AU Sokolov, A.. AU Golovko, S.. AU Romanenko, N.. PY 2017 IS 2017 PB Astrakhan State Technical University