CN115915504A - Special 5G network communication system for coal mine - Google Patents
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- CN115915504A CN115915504A CN202211459312.XA CN202211459312A CN115915504A CN 115915504 A CN115915504 A CN 115915504A CN 202211459312 A CN202211459312 A CN 202211459312A CN 115915504 A CN115915504 A CN 115915504A
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Abstract
The invention relates to a special 5G network communication system for a coal mine, which belongs to the technical field of 5G wireless communication and comprises a 5G core network server, an IMS server, a 50G carrying network, a ground 5G macro station, an underground 5G/4G fusion base station and a mobile terminal; the 5G core network server adopts core network element full sinking deployment; the IMS server is an all-IP multimedia subsystem and is used for the connection management of voice and multimedia services; the 50G carrying network is used for realizing physical data isolation of different services and integrating wired and wireless communication of industrial control, information transmission and 5G wireless communication into a communication network; the ground 5G macro station is divided into two independent physical channels, one channel is special for operators and bypasses to a special line of a mobile operator through a mining area 5G core network, and the other channel is directly accessed into the mining area 5G core network and is communicated with the coal mine 5G special network; the underground 5G/4G fusion base station and the mobile terminal are used for realizing 5G communication underground.
Description
Technical Field
The invention belongs to the technical field of 5G wireless communication, and relates to a 5G network communication system special for a coal mine.
Background
In the intelligent mine construction, the positioning and communication technology plays the core roles of longitudinal through and transverse linkage, and the accurate positioning, stability and reliability communication technology is the basis of the intelligent mine construction. 5G is currently the most advanced wireless communication technology.
The traditional mining 5G wireless communication system is built in a mode of sharing a private network or a hybrid private network, and cannot meet the technical requirements for coal mine 5G communication system safety: the 5G system can realize independent networking and independent operation, and when an external network fails or is disconnected, the system can safely, independently and stably operate, so that the reliability and stability of wireless communication and data transmission are ensured; meet the relevant regulation of the safety isolation of the well and the underground; the 5G system performance meets the regulations of coal mine safety regulations, MT/T1115 and the like.
The traditional mining 5G wireless communication system adopts an independent bearing network mode, and can not meet the requirement of one wired and wireless network in a mining area; traditional mining 5G wireless communication is direct to link to each other with the operator, and the pronunciation and the data of intranet will produce the expense, can not satisfy mining area production construction.
Disclosure of Invention
In view of this, the present invention provides a 5G network communication system dedicated for coal mines.
In order to achieve the purpose, the invention provides the following technical scheme:
A5G network communication system special for coal mines comprises a 5G core network server, an IMS server, a 50G carrying network, a ground 5G macro station, an underground 5G/4G fusion base station and a mobile terminal;
the 5G core network server adopts core network element full-sinking deployment;
the IMS server is an all-IP multimedia subsystem and is used for the connection management of voice and multimedia services;
the 50G carrying network is used for realizing physical data isolation of different services and integrating wired and wireless communication of industrial control, information transmission and 5G wireless communication into a communication network;
the ground 5G macro station is divided into two independent physical channels, one channel is special for an operator and bypasses to a special line of a mobile operator through a mining area 5G core network, and the other channel is directly accessed to the mining area 5G core network and is communicated with the coal mine 5G special network;
the underground 5G/4G fusion base station and the mobile terminal are used for realizing 5G communication underground.
Further, the core network element includes:
a Unified Data Management function module (UDM) for 3GPP AKA authentication, user identification, access authorization, registration, mobility, subscription, and short message Management;
an Access and Mobility Management Function (AMF) module, configured to perform registration, connection, reachability, and Mobility Management, provide a session Management message transmission channel for the UE and the SMF, provide authentication and authorization functions for the user during Access, and provide a terminal and a wireless core network control plane Access point; AMF allocates 5G-GUTI, and AMF selects SMF;
a Session Management Function (SMF) module responsible for tunnel maintenance, IP address allocation and Management, UP function selection, policy enforcement, control in QoS, charging data acquisition, and roaming; the SMF selects UPF based on the granularity of the UE or the session, allocates IP address, collects charging data and connects with a charging center;
the User Plane Function (UPF) is used for packet routing forwarding, policy enforcement, traffic reporting, and Qos processing.
Further, the IMS server provides a standard SIP protocol for accessing a standard E1 trunk gateway, and realizes interconnection and intercommunication with a dispatching system and an administrative telephone through an E1 trunk interface; through the administrative telephone, the interconnection and intercommunication of the coal mine 5G private network, the dispatching telephone and the administrative telephone are realized, and meanwhile, the voice communication with an external network is realized.
Further, the 50G bearing network is a 50-gigabit all-optical network based on the SPN technology, all underground service systems are uniformly loaded through the 50G bearing network, and physical isolation of the original system is guaranteed through a Flexe hard slicing technology; the 50G carrying network is divided into a video large-bandwidth channel and a 5G low-delay channel, so that the data can not leave a park, and the network management and control localization function is realized.
Furthermore, the system adopts an independent core network mode, all data are transmitted in a private network, and the design requirement that internal production control data are not mined is met; the original data communication of the coal mine adopts a mode of SPN hard slicing, and works in a mode of respectively sharing respective channels; and 5G data are transmitted to a 5G core network through SPN hard slices, then are communicated with a coal mine original data system through a gigabit switch, and meet the requirement of uploading data of a public network through an online firewall.
Further, the system adopts a VoNR method to realize high-definition audio and video communication.
Furthermore, the system adopts an enterprise router and a method of online firewall agent to realize data communication in the mining area and foreign language data communication in the mining area.
The invention has the beneficial effects that:
the system adopts an independent private network method, and the mining 5G wireless communication system meets the technical requirements for coal mine 5G communication system safety: the 5G system can realize independent networking and independent operation, and when an external network fails or is disconnected, the system can safely, independently and stably operate, so that the reliability and stability of wireless communication and data transmission are ensured; the related regulations of the safety isolation between the well and the underground are met; the 5G system performance meets the regulations of coal mine safety regulations, MT/T1115 and the like.
The system adopts 50G-SPN to realize 5G wireless data bearing, and different channels can be allocated for mining area industrial control, video monitoring, electric power monitoring, 5G wireless communication and the like based on the bearing network. The mining area industrial control, video monitoring, electric power monitoring, 5G wireless communication and the like are integrated to form a coal mine industrial interconnected network. The different requirements of high reliability, low time delay and large bandwidth of industrial control in the mining area are ensured. Meanwhile, the system supports 5G wireless transmission and remote high-reliability wireless control.
The system adopts the mode that the IMS sinks the mining area to carry out voice communication construction, and adopts VoNR communication in the 5G private network system to realize high-definition audio and video communication in the private network. The IMS also realizes interconnection and intercommunication with the existing dispatching system of the mining area in a SIP or E1 mode. The voice communication between the private network and the external network is realized through the existing relay gateway of the dispatching system. The system has the voice communication functions of internal short number intercommunication, external number intercommunication, automatic switching and the like. The voice data of the 5G private network is internally unloaded, no cost is generated, and the voice data is interconnected and intercommunicated with other systems. The ground 5G macro station is in double connection, and the requirement that a coal mine private network 5G network and an operator 5G network are simultaneously covered is met.
The invention can provide wireless access with low time delay, high reliability and high bandwidth for underground large roadways, working faces, ground squares, washing plants and the like of the coal mine. The method provides technical support for the coal mine with less people, no people and intellectualization.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
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For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic topology diagram of a 5G network communication system dedicated for coal mines;
fig. 2 (a) is a schematic diagram of a shared private network, (b) is a schematic diagram of a hybrid private network, and (c) is a schematic diagram of an exclusive private network;
FIG. 3 is a schematic diagram of a miniaturized 5GC network element;
fig. 4 is a schematic diagram of a 5G wireless bearer network;
FIG. 5 is a schematic diagram of 5G private network voice communication;
fig. 6 is a schematic diagram of 5G private network data communication;
fig. 7 is a schematic view of the ground coverage of the 5G macro station.
Detailed Description
The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
A5G network communication system special for coal mines is characterized in that a 5G core network full-subsidence mining area mode is adopted to build a 5G network special for coal mines. The method has the advantages that the difference between the coal mine scene and the operator standard 5G core network in requirements and functions is considered, the universal standard 5G core network is subjected to lightweight improvement, a special miniaturized 5G core network is formed, four types of basic network elements are reserved, an internal communication mechanism is simplified, and the 5G core network is minimally deployed.
The system adopts 50G-SPN to realize 5G wireless data bearing, and different channels can be allocated for mining area industrial control, video monitoring, electric power monitoring, 5G wireless communication and the like based on the bearing network. The mining area industrial control, video monitoring, electric power monitoring, 5G wireless communication and the like are integrated to form a coal mine industrial interconnected network. The different requirements of high reliability, low time delay and large bandwidth of industrial control in the mining area are ensured. Meanwhile, 5G wireless transmission is supported, and remote high-reliability wireless control is realized.
The system adopts the mode that the IMS sinks the mining area to carry out voice communication construction, and adopts VoNR communication in the 5G private network system to realize high-definition audio and video communication in the private network. The IMS also realizes interconnection and intercommunication with the existing dispatching system of the mining area in a SIP or E1 mode. The voice communication between the private network and the external network is realized through the existing relay gateway of the dispatching system. The system has the voice communication functions of internal short number intercommunication, external number intercommunication, automatic switching and the like.
The system adopts a 5G independent private network mode, all data are transmitted in the private network, public network cost is not generated, the original data communication of a mining area adopts an SPN hard slicing mode, respective channels are independently shared and transmitted in an intranet, and the design requirement that internal production control data are not mined is met. Meanwhile, the 5G wireless data meets the requirement of public network data interconnection and intercommunication through the enterprise router and the internet firewall.
The ground 5G macro station of the system adopts a mode of co-construction and sharing by operators. Namely, the ground 5G macro station is divided into two independent physical channels, one channel is special for operators, and bypasses to a special line of a telecom operator through a 5G core network of a coal mine enterprise. And normal communication of the telecommunication 5G terminal in the mining area is realized. The mining area 5G private network information is directly accessed to the coal mine 5G core network through another channel, and the requirements of independent networking and independent operation of the coal mine private 5G network are met.
The system mainly comprises a core network server, an IMS server, a 50G bearing network, a ground 5G base station, an underground 5G/4G fusion base station, a mobile terminal and the like. The system network topology is shown in fig. 1.
As shown in fig. 2 (a) - (c), the system is designed in a manner of sharing a 5G private network. The exclusive private network has a complete 5G core network. Therefore, the 5G system can completely meet the technical requirements (trial) for safety of the 5G communication system in the coal mine, can realize independent networking and independent operation, and can safely, independently and stably operate when an external network fails or is disconnected. The card is issued by the user, and the user operates the card without depending on an operator.
The carrier-level core network is too large and is not suitable for coal mine enterprise and public institution. He adopted a miniaturized 5GC core network. A network element pair of a miniaturized 5GC and a general standard 5GC is shown in fig. 3. The miniaturized 5GC adopts the full-sinking deployment of the network elements of the core network, and provides extremely low time delay and exclusive core network service for users. Physical equipment is isolated, and the requirements of physical and data safety isolation in special scenes are met.
The traditional industrial Ethernet is mostly gigabit or ten-gigabit Ethernet, does not have a hard slice function, and cannot meet 5G radio bearer.
The system adopts a hard cutting technology to construct a 50-trillion all optical network based on an SPN technology. The data physical isolation of different services is realized, the ultra-converged high-quality communication network integrating industrial control, information transmission and 5G wireless communication is satisfied, and a wired and wireless network is realized. All underground service systems are uniformly loaded through a 50G-SPN ring network, and physical isolation of the original system is guaranteed through a Flexe hard slicing technology. And simultaneously, a video large bandwidth and a 5G low-delay channel are divided, so that the data and delay requirements are ensured. The functions of preventing data from leaving the park, managing and controlling the localization of the network and the like are realized. Fig. 4 is a schematic diagram of a 5G wireless bearer network design.
The 5G network special for the coal mine not only solves the problem of 5G internal communication, but also realizes interconnection and intercommunication with other voice systems in coal mine enterprises.
The voice communication in the 5G private network adopts the VoNR technology, and has stronger capabilities of frame loss resistance, time delay resistance, jitter resistance and high fidelity. VoNR is also media managed over IMS. IMS is an all-IP multimedia subsystem that supports connection management for voice and multimedia services.
The IMS provides a standard SIP protocol, can access a standard E1 trunk gateway, and can implement interconnection with a conventional dispatch system and an administrative telephone through an E1 trunk interface. Through the administrative telephone, the interconnection and intercommunication of the coal mine 5G private network, the dispatching telephone and the administrative telephone are realized, and meanwhile, the voice communication with an external network is realized. The internal voice interconnection and intercommunication of the coal mine enterprises does not generate call charge. The 5G private network voice communication and the external network voice communication share the voice communication of the administrative telephone and the external network. Fig. 5 is a schematic diagram of 5G private network voice communication.
The whole coal mine 5G private network adopts an independent core network mode, all data are transmitted in the private network, and the design requirement that internal production control data are not mined is met. The original data communication of the coal mine adopts a mode of SPN hard slicing, and works in a mode of respectively and independently sharing respective channels. And 5G data is transmitted to a 5G core network through SPN hard slices and then is communicated with a coal mine original data system through a gigabit switch. Meanwhile, the requirement of uploading data of the public network is met through the internet firewall. Fig. 6 is a schematic diagram of 5G private network data communication.
Because of the existence of the operator 5G signal on the ground of the mining area, the 5G private network needs to be constructed to consider the problem of 5G signal collision. The method is built by adopting a ground 5G base station double-registration method, namely, a mode of co-building and sharing with an operator. The requirement of the operator 5G and the coal mine private network 5G on the simultaneous coverage of the ground of the mining area is met.
The ground 5G macro station is directly connected with a 5G core network of the mining area. The method is divided into two independent physical channels, one channel is special for an operator, and bypasses to a special line of a mobile operator through a 5G core network of a mining area. And normal communication of the mobile terminal of the operator in the mining area is realized. The mining 5G private network information is directly accessed to the mining area 5G core network through another channel and is communicated with the coal mine 5G private network, and the requirements of independent networking and independent operation of the coal mine 5G private network are met. Fig. 7 is a schematic view of the ground coverage of the 5G macro station.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (7)
1. A special 5G network communication system for coal mines is characterized in that: the system comprises a 5G core network server, an IMS server, a 50G carrying network, a ground 5G macro station, an underground 5G/4G fusion base station and a mobile terminal;
the 5G core network server adopts core network element full-sinking deployment;
the IMS server is an all-IP multimedia subsystem and is used for the connection management of voice and multimedia services;
the 50G carrying network is used for realizing physical data isolation of different services and integrating wired and wireless communication of industrial control, information transmission and 5G wireless communication into a communication network;
the ground 5G macro station is divided into two independent physical channels, one channel is special for an operator and bypasses to a special line of a mobile operator through a mining area 5G core network, and the other channel is directly accessed to the mining area 5G core network and is communicated with the coal mine 5G special network;
the underground 5G/4G fusion base station and the mobile terminal are used for realizing 5G communication underground.
2. The coal mine-specific 5G network communication system according to claim 1, wherein:
a unified data management function module UDM, which is used for 3GPP AKA authentication, user identification, access authorization, registration, movement, subscription and short message management;
an access and mobility management function module AMF, which is used for executing registration, connection, accessibility and mobility management, providing a session management message transmission channel for UE and SMF, providing authentication and authentication functions for user access, and accessing a terminal and a wireless core network control plane; AMF allocates 5G-GUTI, and AMF selects SMF;
the session management function module SMF is responsible for tunnel maintenance, IP address allocation and management, UP function selection, policy implementation, qoS control, charging data acquisition and roaming; the SMF selects UPF based on the granularity of the UE or the session, allocates IP address, collects charging data and connects with a charging center;
and the user plane function module UPF is used for packet routing forwarding, policy implementation, flow reporting and Qos processing.
3. The coal mine-specific 5G network communication system according to claim 1, wherein: the IMS server provides a standard SIP protocol for accessing a standard E1 relay gateway and realizing interconnection and intercommunication with a dispatching system and an administrative telephone through an E1 relay interface; through the administrative telephone, the interconnection and intercommunication of the coal mine 5G private network, the dispatching telephone and the administrative telephone are realized, and meanwhile, the voice communication with an external network is realized.
4. The coal mine-specific 5G network communication system according to claim 1, wherein: the 50G bearing network is a 50-trillion all-optical network based on SPN technology, all underground service systems are uniformly loaded through the 50G bearing network, and physical isolation of an original system is guaranteed through a Flexe hard slicing technology; the 50G carrying network is divided into a video large-bandwidth channel and a 5G low-delay channel, so that the data can not leave a park, and the network management and control localization function is realized.
5. The coal mine-specific 5G network communication system according to claim 1, wherein: the system adopts an independent core network mode, all data are transmitted in a private network, and the design requirement that internal production control data are not mined is met; the original data communication of the coal mine adopts a mode of SPN hard slicing, and works in a mode of respectively sharing respective channels; the 5G data are cut into 5G core networks through SPN hard slices, then are communicated with a coal mine original data system through a gigabit switch, and meet the requirement of uploading public network data through an online firewall.
6. The coal mine-specific 5G network communication system according to claim 1, wherein: the system adopts a VoNR method to realize high-definition audio and video communication.
7. The coal mine-specific 5G network communication system according to claim 1, wherein: the system adopts an enterprise router and a method of online firewall agent to realize data communication in a mining area and foreign language data communication in the mining area.
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Inventor after: Huang Yousheng Inventor after: He Kui Inventor after: Dai Jianbo Inventor after: Shao Yan Inventor after: Wang Fei Inventor after: Hu Liang Inventor after: Zhou Daiyong Inventor after: Hu Yu Inventor after: Wen Xianpei Inventor after: Hu Yingjie Inventor after: Tian Jun Inventor after: Jiang Hai Inventor after: Wang Bin Inventor after: Duan Ming Inventor after: Yan Qihong Inventor after: Liu Pei Inventor after: Liu Yahui Inventor after: Jia Ruitang Inventor after: Zhang Jinhao Inventor after: Yan Song Inventor after: Lin Yin Inventor before: Huang Yousheng Inventor before: Lin Yin Inventor before: He Kui Inventor before: Dai Jianbo Inventor before: Shao Yan Inventor before: Wang Fei Inventor before: Hu Liang Inventor before: Zhou Daiyong Inventor before: Hu Yu Inventor before: Wen Xianpei Inventor before: Hu Yingjie Inventor before: Liu Cheng Inventor before: Tian Jun Inventor before: Wang Bin Inventor before: Duan Ming Inventor before: Jiang Hai Inventor before: Yan Qihong Inventor before: Liu Pei Inventor before: Liu Yahui Inventor before: Jia Ruitang Inventor before: Zhang Jinhao Inventor before: Yan Song |