Core Insights - The report emphasizes the importance of a new generation underground network for coal mines, designed based on "SDN (Software Defined Network) + Slicing" architecture, which aims to enhance communication reliability, bandwidth, and operational efficiency in the context of increasing automation and intelligence in coal mining operations [5][27][36]. Group 1: Requirements for Communication Networks - The development of intelligent coal mining necessitates a robust communication network that can support high reliability, low latency, and simple maintenance, as well as high bandwidth to accommodate various applications such as remote control and safety monitoring [8][12]. - Intelligent coal mining applications include high-definition video monitoring, safety monitoring, wireless communication, and remote control, all of which require a network capable of handling large data volumes and ensuring real-time communication [9][10][11]. Group 2: Current Status and Challenges of Underground Networks - The existing underground networks consist of various systems, including wired communication networks, safety monitoring networks, and industrial Ethernet, which often leads to a complex and fragmented network environment [18][19][20]. - Challenges faced by current underground networks include insufficient bandwidth, network storms affecting communication reliability, and difficulties in network maintenance due to the complexity of multiple independent systems [24][25]. Group 3: New Generation Underground Network Solutions - The new generation underground network is defined as a comprehensive carrier network that integrates various intelligent applications, utilizing advanced technologies such as IPv6 and SDN to achieve unified data transmission and operational efficiency [26][27]. - The architecture of the new generation network is structured into three layers: the surface core, underground backbone, and underground access, ensuring effective data flow and management [27][28][29]. Group 4: Key Features and Technologies - The new generation underground network features include multi-service integration, ultra-wide coverage, intelligent operation and maintenance, dedicated network slices, and high reliability, which collectively enhance the operational capabilities of coal mining [31][32][33]. - Key technologies supporting the new network include network slicing, SRv6, clock synchronization, and Wi-Fi 6, which address the limitations of traditional networks and facilitate the deployment of intelligent applications [33][34].
井下新一代网络技术白皮书
2024-10-08 06:33