CN116963088A - Intelligent mine network transmission system - Google Patents

Abstract

The disclosure provides an intelligent mine network transmission system, which relates to the field of wireless communication. The method specifically comprises the following steps: the convergence layer is provided with a wireless access network C-RAN machine room and a core network 5GC machine room, a hundred thousand meganetwork loop is built between the C-RAN machine rooms, the C-RAN loop and the 5GC core machine room equipment form a hundred thousand meganetwork link, and a main and standby network link between the 2 5GC core machine rooms is built through two physical route fiber-jumping. The present disclosure provides for the safety of base station side equipment by ensuring that the optical cable is totally blocked. The base station address of the mine area is stable, and the double-route protection consisting of the optical cables can meet the protection of equipment at the base station side, so that the stability of the network is improved.

Description

Intelligent mine network transmission system

Technical Field

The disclosure relates to the field of wireless communication, in particular to an intelligent mine network transmission system.

Background

The power communication network is an important infrastructure of the energy internet. The core task of the power communication network is to ensure the normal operation of the power system and to deal with emergency situations in time. The electric power communication network has the characteristics of less transmitted information and higher real-time requirement. Therefore, the power communication network should meet the requirements of strong flexibility, high reliability, hard pipeline isolation and low time delay.

The SPN (Slicing Packet Network, slice packet network) provided by telecom operation enterprises aiming at the transmission requirement of a 5G wireless communication system is a technical system which takes network slices as cores and combines time slot crossing and Ethernet packet switching, is mainly used in the fields of mobile bearing scenes, industry private line access and industry private network communication, adopts a native Ethernet kernel, realizes the organic fusion of TDM and packets, and supports the transmission and switching capacity from L0 to L3. The SPN technology has the technical advantages of large bandwidth, low time delay, network slicing, flexible connection and the like, and can meet the nondestructive and efficient bearing requirements of a future power communication network.

At present, stable network communication is difficult to realize in the mine wireless communication scene.

Disclosure of Invention

The disclosure provides a method, a device and a system for intelligent mine network transmission, which are used for at least solving the problems in the related art. The technical scheme of the present disclosure is as follows:

according to a first aspect of an embodiment of the present disclosure, there is provided an intelligent mine network transmission system, including:

the convergence layer is provided with a wireless access network C-RAN machine room and a core network 5GC machine room, a hundred thousand meganetwork loop is built between the C-RAN machine rooms, the C-RAN loop and the 5GC core machine room equipment form a hundred thousand meganetwork link, and a main and standby network link between the 2 5GC core machine rooms is built through two physical route fiber-jumping.

Optionally, the system further comprises:

and in the first access layer, the active antenna units AAU of each station are accessed to different ports of the BBU corresponding to the remote radio units of the C-RAN machine room through double-route, and under the C-RAN access mode, the SPN equipment configures 2 branch board cards to butt joint the BBU equipment, and the BBU supports load sharing across the SPN board cards through a link aggregation mode.

Optionally, the system further comprises:

the second access layer, the wireless equipment BBU and the transmission SPN980 equipment are both arranged at the base station machine room or the machine cabinet side, the SPN980 equipment and the uplink sink node equipment form a fifty thousand meganetwork loop, and meanwhile, the microwave equipment is configured at the base station side of the pit area and the nearest C-RAN machine room form a transmission link.

The technical scheme provided by the embodiment of the disclosure at least brings the following beneficial effects:

by ensuring the security of the base station side equipment when the optical cable is totally blocked.

The base station address of the mine area is stable, and the double-route protection consisting of the optical cables can meet the protection of equipment at the base station side, so that the stability of the network is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure and do not constitute an undue limitation on the disclosure.

Fig. 1 is a block diagram illustrating an intelligent mine network transmission system according to an exemplary embodiment.

Fig. 2 is a block diagram illustrating an intelligent mine network transmission system, according to an exemplary embodiment.

Fig. 3 is a block diagram illustrating an intelligent mine network transmission system, according to an exemplary embodiment.

Fig. 4 is a block diagram illustrating an intelligent mine network transmission system, according to an exemplary embodiment.

Fig. 5 is a block diagram illustrating an intelligent mine network transmission system, according to an exemplary embodiment.

Fig. 6 is a block diagram illustrating an intelligent mine network transmission system, according to an exemplary embodiment.

Fig. 7 is a schematic diagram illustrating a site attach approach in accordance with an example embodiment.

Fig. 8 is a schematic diagram illustrating a site attach approach in accordance with an example embodiment.

Fig. 9 is a schematic diagram illustrating a site attach approach in accordance with an example embodiment.

Detailed Description

In order to enable those skilled in the art to better understand the technical solutions of the present disclosure, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the foregoing figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the disclosure described herein may be capable of operation in sequences other than those illustrated or described herein. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the disclosure as detailed in the accompanying claims.

The user information (including but not limited to user equipment information, user personal information, etc.) related to the present disclosure is information authorized by the user or sufficiently authorized by each party.

The embodiment provides an intelligent mine network transmission system, which comprises a convergence layer, wherein a wireless access network C-RAN machine room and a core network 5GC core machine room are arranged, a hundred thousand mega network loop is built between the C-RAN machine rooms, the C-RAN loop and the 5GC core machine room equipment form a hundred thousand mega network link, and in addition, a main and standby network link between the 2 5GC core machine rooms is built through two physical route fiber-jumping.

The SPN technology (slice packet network, slicing Packet Network) of the backhaul bearer in 5G is an enhancement on the existing PTN technology, and has the main functions of MTN/FlexE, SR, SDN and the like added, so that the following six requirements can be met:

large bandwidth: based on the high-efficiency Ethernet, low cost and large bandwidth are supported.

Low time delay: based on the new plane FlexE time slot cross transmission, low-delay forwarding is realized between PCS and PMA.

Network fragmentation: and realizing service hard isolation through time slot crossing, supporting VPN and QoS to support service soft isolation, and realizing flexible and efficient network fragmentation.

Flexible connection: based on the segmented routing technology SR, the novel SR-TP is enhanced, the SR-TP and the SR-BE are supported, and flexible connection of N2, N3, eX2 and the like is supported.

Time synchronization: and the time stamp extraction technology is enhanced on the FlexE, so that ultra-high precision time synchronization is realized.

Unified management and control: based on SDN realization, the unified management and control of the network is realized by standardizing the southbound interface and the northbound interface.

2) Main technical function of SPN

The main technical functions that can be realized by the SPN include the following 9 points:

hierarchical exchange based on ethernet packets, SPN channels: the Ethernet packet switching capability is provided, and flexible connection scheduling of packet service is supported; the SPN Channel switching capability is provided, and the hard pipeline isolation and the bandwidth guarantee of the service are supported.

SDN architecture with centralized management and control: and an SDN-based management and control fusion architecture is adopted, so that the automation capability of service deployment and operation and maintenance and the network self-optimization capability of sensing network states and performing real-time optimization are supported. Meanwhile, the SDN-based management and control fusion architecture provides capabilities of simplifying network protocols, opening networks, and cross-network domain/technical domain business protocols.

Network slice: the method is characterized in that resource slicing isolation is carried out on one physical network to form a plurality of virtual networks, and differentiated (such as bandwidth, time delay, jitter and the like) business bearing services are provided for various businesses.

The packet layer is towards the unified bearing of connection and connectionless service of facing: the method has the advantages of providing connection-oriented service bearing capacity through an SR-TP tunnel technology, providing high-quality and easy-to-operate and-maintain transmission service for point-to-point or point-to-multipoint connection service, providing connectionless service bearing capacity through the SR-TP tunnel technology, and providing easy-to-deploy and high-reliability transmission service for multipoint-to-multipoint service.

Carrier level fault detection and performance management: the system has the layered 0AM fault detection and temporary energy management capability of a network level, and supports the monitoring and management of quality attributes such as connectivity, packet loss rate, time delay, jitter and the like of various logic layers, various network connections and various services in the network through a 0AM mechanism.

High reliability network protection: the system has the layering protection capability of a network level, supports a preset protection switching mechanism based on a forwarding plane of equipment, and performs carrier-level rapid protection switching when the forwarding plane detects faults; the network topology state is perceived in real time through a protocol based on the SDN controller, and the service optimal path is recalculated after the network state change is perceived.

Clock and time synchronization mechanism: the synchronous Ethernet function is supported, and stable and reliable frequency synchronization is realized; and 1588 functions are supported, and high-precision time synchronization is realized.

Low latency forwarding: the network-level three-layer nearby forwarding and the device-level physical layer low-delay forwarding capability are supported, and the transmission requirements of delay-sensitive services are matched.

Compatible PTN network: the system has the capability of being compatible with PTN networks, supports the technology-bearing group clients, family broadband and CTE services such as MPLS-TP linear protection, MPLS-TP ring network protection, PW dual-homing protection, static L2/L3 VPN and the like, and supports the butt joint with stock PTN network equipment and hybrid networking.

Fig. 1 is a block diagram of an intelligent mine network transmission system according to an exemplary embodiment, as shown in fig. 1, 45 macro base stations 5G and 5 macro base stations 5 standby are built in total in Ha Erwu mine areas and black ditch mine areas, the transmission network is used as an important carrier for bearing access points to a core network, mainly adopts SPN equipment to bear and adopts a main and standby board card to perform equipment-level protection, microwave equipment is added to cooperate with network security, and optical cable protection of various physical routes is formed through optical cable network construction. The scheme is prepared by combining network stability and safety on the basis of fully considering transmission link bandwidth and time delay.

The convergence layer is arranged at 5 parts of the C-RAN machine room, 2 parts of the 5GC core machine room, a 100GE loop is built between the 5 parts of the C-RAN machine room, the C-RAN loop and the 5GC core machine room equipment in the mining area form a 100GE link, and a main and standby 100G link between the 2 parts of the 5GC core machine room is built through two different physical route jump fibers.

Aiming at the energy project, two access schemes of C-RAN and D-RAN are provided for the access layer through field investigation:

1. C-RAN construction mode

The base stations of the geological relatively stable area around the mining area are solved in a centralized manner of C-RAN BBU, and the total number of the base stations is 32.

Ha Erwu the south-west C-RAN machine room is accessed to a 4-station address (6 base stations), the two mine road No. 3C-RAN machine rooms are accessed to a 6-station address (8 base stations), the black-matrix maintenance center east C-RAN machine room is accessed to a 5-station address (7 base stations), the black-matrix viewing station C-RAN machine room is accessed to a 3-station address (4 base stations), and the Ha Erwu medium beam north tower station C-RAN machine room is accessed to a 6-station address (7 base stations). The base station connection at 24 is solved in total.

Each station AAU is accessed to different ports of the BBU corresponding to the C-RAN machine room through double routes, under the C-RAN access mode, the SPN equipment is configured with 2 branch board cards to be in butt joint with the BBU equipment, and the BBU supports load sharing across the SPN board cards through a link aggregation mode, so that the BBU total resistance caused by single SPN board card faults is avoided. And realizing service protection.

Fig. 2 is a block diagram of an intelligent mine network transmission system, according to an exemplary embodiment, as shown in fig. 2,

fig. 3 is a block diagram of an intelligent mine network transmission system, according to an exemplary embodiment, as shown in fig. 3,

fig. 4 is a block diagram of an intelligent mine network transmission system, according to an exemplary embodiment, as shown in fig. 4,

fig. 5 is a block diagram of an intelligent mine network transmission system, according to an exemplary embodiment, as shown in fig. 5,

fig. 6 is a block diagram of an intelligent mine network transmission system, according to an exemplary embodiment, as shown in fig. 6,

2. D-RAN construction mode

The mining area and the base station with a position far from the C-RAN machine room are solved by adopting a D-RAN mode, and the total number of the base stations is 6 (11 base stations). The SPN equipment in the 5GC core machine room is adopted for 2 base stations of the No. 1 station of the Heidellus plant area and the Heidellus plant area to be opened.

The number 1 station of the gangue power plant and the office building of the gangue power plant are accessed in a D-RAN mode, wherein the distance between 2 stations and a C-RAN machine room is more than 10 km. Ha Erwu the station No. 48 of the pit, the station No. 2 of the haloumarin pit, the station No. 1 of the black dai ditch pit (unmanned test area) and the station No. 2 of the black dai ditch pit are in the region with larger geological change, and are accessed by adopting a D-RAN mode.

The wireless equipment BBU and the transmission SPN980 equipment are both arranged at the base station machine room or the cabinet side, the newly-added SPN980 equipment and the uplink sink node equipment form a 50GE loop, and meanwhile, the microwave equipment is configured at the base station side of the pit area to form a transmission link with the nearest C-RAN machine room, so that the safety of the equipment at the base station side is ensured when the optical cable is blocked completely. The base station address of the gangue power plant area is stable, and the double-route protection consisting of the optical cables can meet the protection of equipment at the base station side.

The specific site connection modes are shown in fig. 7, 8 and 9.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (3)

1. An intelligent mine network transmission system, characterized by comprising:

the convergence layer is provided with a wireless access network C-RAN machine room and a core network 5GC machine room, a hundred thousand meganetwork loop is built between the C-RAN machine rooms, the C-RAN loop and the 5GC core machine room equipment form a hundred thousand meganetwork link, and a main and standby network link between the 2 5GC core machine rooms is built through two physical route fiber-jumping.

2. The system of claim 1, wherein the system further comprises:

and in the first access layer, the active antenna units AAU of each station are accessed to different ports of the BBU corresponding to the remote radio units of the C-RAN machine room through double-route, and under the C-RAN access mode, the SPN equipment configures 2 branch board cards to butt joint the BBU equipment, and the BBU supports load sharing across the SPN board cards through a link aggregation mode.

3. The system of claim 1, wherein the system further comprises:

the second access layer, the wireless equipment BBU and the transmission SPN980 equipment are both arranged at the base station machine room or the machine cabinet side, the SPN980 equipment and the uplink sink node equipment form a fifty thousand meganetwork loop, and meanwhile, the microwave equipment is configured at the base station side of the pit area and the nearest C-RAN machine room form a transmission link.