Chetty, Brenton LIsaac, Sherrin JWalingo, T2024-01-182024-01-182023-09Chetty, B.L., Isaac, S.J. & Walingo, T. 2023. An experimental investigation into high bandwidth wireless communication standards for the underground mine stope. http://hdl.handle.net/10204/13526 .979-8-3503-3621-4979-8-3503-3622-12153-00332153-0025DOI: 10.1109/AFRICON55910.2023.10293323http://hdl.handle.net/10204/13526There are many challenges associated with developing a feasible wireless communication system for the harsh underground mining environment. Radio signals suffer from strong attenuations due to the excessive reflections, diffractions, scatterings, and multipath caused by the irregular surface characteristics of the stope. This necessitates the need for a robust underground mine wireless communication network that can withstand these phenomena. The network will still need to provide enough bandwidth for productivity enhancement applications as well as maintain low latency alongside robustness for critical mine safety applications. Coded OFDM (COFDM) was identified as the wireless standard for dealing with the harsh mining environment. However, due to the standard not being mainstream, the implementation of such a system will be extremely expensive. This research identifies the possibility of utilising Wi-Fi6 (802.11ax) which utilizes Orthogonal Frequency Division Multiple Access (OFDMA) as a more cost-effective alternative as compared to COFDM. Experimental investigations for comparing COFDM and Wi-Fi6 have been conducted in terms of latency, jitter and throughput measurements in several different topology and configurations. The uncoded Wi-Fi6 was found to be quite capable for high bandwidth productivity enhancement applications for the stope at an economical price point as compared to the more robust COFDM. Hence the more expensive COFDM should only be deployed for the critical mine safety applications.AbstractenWireless Sensor NetworksWSNStopeCoded OFDMCOFDMOrthogonal Frequency Division Multiple AccessOFDMAThroughputMeshLatencyJitterConference PresentationChetty, B. L., Isaac, S. J., & Walingo, T. (2023). An experimental investigation into high bandwidth wireless communication standards for the underground mine stope. http://hdl.handle.net/10204/13526Chetty, Brenton L, Sherrin J Isaac, and T Walingo. "An experimental investigation into high bandwidth wireless communication standards for the underground mine stope." <i>IEEE Africon, Nairobi, Kenya, 20 - 22 September 2023</i> (2023): http://hdl.handle.net/10204/13526Chetty BL, Isaac SJ, Walingo T, An experimental investigation into high bandwidth wireless communication standards for the underground mine stope; 2023. http://hdl.handle.net/10204/13526 .TY - Conference Presentation AU - Chetty, Brenton L AU - Isaac, Sherrin J AU - Walingo, T AB - There are many challenges associated with developing a feasible wireless communication system for the harsh underground mining environment. Radio signals suffer from strong attenuations due to the excessive reflections, diffractions, scatterings, and multipath caused by the irregular surface characteristics of the stope. This necessitates the need for a robust underground mine wireless communication network that can withstand these phenomena. The network will still need to provide enough bandwidth for productivity enhancement applications as well as maintain low latency alongside robustness for critical mine safety applications. Coded OFDM (COFDM) was identified as the wireless standard for dealing with the harsh mining environment. However, due to the standard not being mainstream, the implementation of such a system will be extremely expensive. This research identifies the possibility of utilising Wi-Fi6 (802.11ax) which utilizes Orthogonal Frequency Division Multiple Access (OFDMA) as a more cost-effective alternative as compared to COFDM. Experimental investigations for comparing COFDM and Wi-Fi6 have been conducted in terms of latency, jitter and throughput measurements in several different topology and configurations. The uncoded Wi-Fi6 was found to be quite capable for high bandwidth productivity enhancement applications for the stope at an economical price point as compared to the more robust COFDM. Hence the more expensive COFDM should only be deployed for the critical mine safety applications. DA - 2023-09 DB - ResearchSpace DP - CSIR J1 - IEEE Africon, Nairobi, Kenya, 20 - 22 September 2023 KW - Wireless Sensor Networks KW - WSN KW - Stope KW - Coded OFDM KW - COFDM KW - Orthogonal Frequency Division Multiple Access KW - OFDMA KW - Throughput KW - Mesh KW - Latency KW - Jitter LK - https://researchspace.csir.co.za PY - 2023 SM - 979-8-3503-3621-4 SM - 979-8-3503-3622-1 SM - 2153-0033 SM - 2153-0025 T1 - An experimental investigation into high bandwidth wireless communication standards for the underground mine stope TI - An experimental investigation into high bandwidth wireless communication standards for the underground mine stope UR - http://hdl.handle.net/10204/13526 ER -26881