CN111464982A - Network management method and network system - Google Patents
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- CN111464982A CN111464982A CN202010326973.XA CN202010326973A CN111464982A CN 111464982 A CN111464982 A CN 111464982A CN 202010326973 A CN202010326973 A CN 202010326973A CN 111464982 A CN111464982 A CN 111464982A
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- 238000007726 management method Methods 0.000 title claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000005304 joining Methods 0.000 claims description 48
- 238000012544 monitoring process Methods 0.000 claims description 15
- 238000005065 mining Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 12
- 238000003860 storage Methods 0.000 description 2
- 235000008694 Humulus lupulus Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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Abstract
The present disclosure provides a network management method and a network system. The method comprises the following steps that a vehicle-mounted mobile node router selects a first router in an MESH network according to end-to-end channel quality, wherein the channel quality between the first router and the vehicle-mounted mobile node router is the optimal channel quality; under the condition that the first router is a central gateway node router, the central gateway node router and the vehicle-mounted mobile node router establish a first main channel; and under the condition that the first router is a road side node router, the road side node router and the vehicle-mounted mobile node router establish a second main channel so that the vehicle-mounted mobile node router interacts with the control platform. The method and the device can meet the requirements of a mining area on real-time performance and reliability of communication.
Description
Technical Field
The present disclosure relates to the field of communications, and in particular, to a network management method and a network system.
Background
Surface mines are usually located far away and have harsh environments, and safety accidents are easy to happen to transport vehicles in mining areas. In order to reduce labor cost and ensure production safety of a mining area, unmanned transportation of the mining area becomes a necessary choice.
In the related art, a communication system is established in a mining area, so that real-time data transmission and state monitoring of an unmanned transportation system are guaranteed.
Disclosure of Invention
The inventor finds that a large number of base stations need to be built in a mining area in order to ensure the communication quality of the mining area, and the construction cost is increased by reducing the large number of base stations. In addition, the conditions of the mining area are complex, and the wireless network coverage is poor, so that the requirements of low time delay and high reliability of communication cannot be met.
Accordingly, the present disclosure provides a network system, which utilizes the distributed characteristics of the MESH network to meet the requirements of real-time performance and reliability.
According to a first aspect of the embodiments of the present disclosure, there is provided a network management method, including: the method comprises the following steps that a vehicle-mounted mobile node router selects a first router in an MESH network according to end-to-end channel quality, wherein the channel quality between the first router and the vehicle-mounted mobile node router is the optimal channel quality; under the condition that the first router is a central gateway node router, the central gateway node router and the vehicle-mounted mobile node router establish a first main channel, so that the vehicle-mounted mobile node router interacts with the control platform through the first main channel and a channel between the central gateway node router and the control platform; and under the condition that the first router is a road side node router, establishing a second main channel between the road side node router and the vehicle-mounted mobile node router so that the vehicle-mounted mobile node router interacts with the control platform through the second main channel, the channel between the road side node router and the central gateway node router and the channel between the central gateway node router and the control platform.
In some embodiments, the vehicular mobile node router selects a second router in the network according to end-to-end channel quality, wherein the channel quality between the second router and the vehicular mobile node router meets a preset condition; under the condition that the second router is a central gateway node router, the central gateway node router and the vehicle-mounted mobile node router establish a first auxiliary channel, so that the vehicle-mounted mobile node router interacts with the control platform through the first auxiliary channel and a channel between the central gateway node router and the control platform when a first main channel fails; and under the condition that the second router is a road side node router, establishing a second auxiliary channel between the road side node router and the vehicle-mounted mobile node router, so that the vehicle-mounted mobile node router interacts with the control platform through the second auxiliary channel, the channel between the road side node router and the central gateway node router and the channel between the central gateway node router and the control platform when the second main channel fails.
In some embodiments, when a road side node router joins the network, a third router is selected from the network according to end-to-end channel quality, wherein the channel quality between the third router and the road side node router joining the network is the best channel quality; under the condition that the third router is a central gateway node router, the central gateway node router and a road side node router joining the network establish a third main channel so that the road side node router joining the network interacts with the central gateway node router through the third main channel; and under the condition that the third router is other road side node routers in the network, the other road side node routers and the road side node routers joining the network establish a fourth main channel, so that the road side node routers joining the network interact with the other road side node routers through the fourth main channel.
In some embodiments, when a road side node router joins the network, a fourth router is selected from the network according to end-to-end channel quality, wherein the channel quality between the fourth router and the road side node router joining the network meets a preset condition; under the condition that the fourth router is a central gateway node router, the central gateway node router and a road side node router joining the network establish a third auxiliary channel, so that the road side node router interacts with the central gateway node router through the third auxiliary channel when the third main channel sends a fault; and under the condition that the fourth router is other road side node routers in the network, the other road side node routers and the road side node routers joining the network establish a fourth auxiliary channel, so that the road side node routers interact with the other road side node routers through the fourth auxiliary channel when the fourth main channel sends a fault.
In some embodiments, the surveillance camera device interacts with the surveillance platform using a wireless communication network.
In some embodiments, the wireless communication network is a 4G network or a 5G network.
According to a second aspect of the embodiments of the present disclosure, there is provided a network system including: the system comprises a vehicle-mounted mobile node router and a network management server, wherein the vehicle-mounted mobile node router is configured to select a first router in an MESH network according to end-to-end channel quality, and the channel quality between the first router and the vehicle-mounted mobile node router is the optimal channel quality; the central gateway node router is configured to establish a first main channel with the vehicle-mounted mobile node router under the condition that the central gateway node router is selected as a first router, so that the vehicle-mounted mobile node router interacts with the control platform through the first main channel and a channel between the central gateway node router and the control platform; and the road side node router is configured to establish a second main channel with the vehicle-mounted mobile node router under the condition that the road side node router is selected as the first router, so that the vehicle-mounted mobile node router interacts with the control platform through the second main channel, the channel between the road side node router and the central gateway node router and the channel between the central gateway node router and the control platform.
In some embodiments, the vehicular mobile node router is further configured to select a second router in the network according to end-to-end channel quality, wherein the channel quality between the second router and the vehicular mobile node router satisfies a preset condition; the central gateway node router is also configured to establish a first auxiliary channel with the vehicle-mounted mobile node router under the condition that the central gateway node router is selected as a second router, so that the vehicle-mounted mobile node router interacts with the control platform through the first auxiliary channel and a channel between the central gateway node router and the control platform when the first main channel fails; and the road side node router is also configured to establish a second auxiliary channel with the vehicle-mounted mobile node router under the condition that the road side node router is selected as a second router, so that the vehicle-mounted mobile node router interacts with the control platform through the second auxiliary channel, the channel between the road side node router and the central gateway node router and the channel between the central gateway node router and the control platform when the second main channel fails.
In some embodiments, the roadside node router is further configured to select a third router in the network according to end-to-end channel quality when joining the network, wherein the channel quality between the third router and the roadside node router joining the network is the best channel quality; the central gateway node router is further configured to establish a third main channel with the road side node router joining the network under the condition that the central gateway node router is selected as a third router, so that the road side node router joining the network interacts with the central gateway node router through the third main channel; the other road side node routers in the network are further configured to establish a fourth main channel with the road side node router joining the network if selected as the third router, so that the road side node router joining the network interacts with the other road side node routers through the fourth main channel.
In some embodiments, the roadside node router is further configured to select a fourth router in the network according to end-to-end channel quality when joining the network, wherein the channel quality between the fourth router and the roadside node router joining the network satisfies a preset condition; the central gateway node router is also configured to establish a third auxiliary channel with a road side node router joining the network under the condition that the central gateway node router is selected as a fourth router, so that the road side node router interacts with the central gateway node router through the third auxiliary channel when the third main channel sends a fault; and under the condition that the router is selected as a fourth router, establishing a fourth auxiliary channel with the road side node router which joins the network, so that the router interacts with the other road side node routers through the fourth auxiliary channel when the fourth main channel sends a fault.
In some embodiments, the system further comprises: and the monitoring camera device is configured to interact with the monitoring platform by utilizing a wireless communication network.
In some embodiments, the wireless communication network is a 4G network or a 5G network.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The present disclosure may be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
fig. 1 is a flow diagram of a network management method according to one embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a MESH network according to one embodiment of the present disclosure;
FIG. 3 is a flow diagram of a network management method according to another embodiment of the present disclosure;
fig. 4 is a schematic diagram of a 4G network configuration according to one embodiment of the present disclosure;
fig. 5 is a schematic diagram of a 5G network configuration according to one embodiment of the present disclosure;
fig. 6 is a schematic diagram of a network system according to one embodiment of the present disclosure.
It should be understood that the dimensions of the various parts shown in the figures are not drawn to scale. Further, the same or similar reference numerals denote the same or similar components.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials and values set forth in these embodiments are to be construed as illustrative only and not as limiting unless otherwise specifically stated.
The use of the word "comprising" or "comprises" and the like in this disclosure means that the elements listed before the word encompass the elements listed after the word and do not exclude the possibility that other elements may also be encompassed.
All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
Fig. 1 is a flow diagram of a network management method according to one embodiment of the present disclosure.
In step 101, the vehicle-mounted mobile node router selects a first router in the MESH network according to the end-to-end channel quality, wherein the channel quality between the first router and the vehicle-mounted mobile node router is the best channel quality.
Fig. 2 is a schematic structural diagram of a MESH network according to an embodiment of the present disclosure.
As shown in FIG. 2, the MESH network comprises one or more central gateway node routers 21, a plurality of road side node routers 221-. The central gateway node router 21 is connected to the control platform 24 via a predetermined channel (e.g., an optical fiber). The vehicular mobile node router selects the first router with the best channel quality when entering the network or moving. The first router may be a central gateway node router or a road side node router.
For example, the central gateway node router and the roadside node router are visible and unobstructed. The distance between the road side node router and the central gateway node router is kept within 2 kilometers, the distance between adjacent road side node routers is also kept within 2 kilometers, and the hop number from the central gateway node router to the farthest road side node router is controlled within 2 hops as much as possible. Thereby, communication quality can be ensured. The flow of each node can be more than 10Mbps, and the delay of each jump is less than 1 ms.
In some embodiments, a predictive wireless routing protocol may be used to discover the best path between different routers. Since predictive wireless routing protocols are not the point of the present disclosure, they are not described herein.
Returning to fig. 1. In step 102, in a case that the first router is a central gateway node router, the central gateway node router and the vehicle-mounted mobile node router establish a first main channel, so that the vehicle-mounted mobile node router interacts with the control platform through the first main channel and a channel between the central gateway node router and the control platform.
In step 103, in a case that the first router is a road side node router, the road side node router and the vehicle-mounted mobile node router establish a second main channel, so that the vehicle-mounted mobile node router interacts with the control platform through the second main channel, a channel between the road side node router and the central gateway node router, and a channel between the central gateway node router and the control platform.
For example, as shown in fig. 2, if the channel between the vehicular mobile node router 231 and the central gateway node router 21 is the optimal channel, the central gateway node router 21 and the vehicular mobile node router 231 establish the first main channel. The onboard mobile node router 231 interacts with the control platform 24 through the central gateway node router 21.
For another example, as shown in fig. 2, if the channel between vehicular mobile node router 232 and road side node router 221 is the optimal channel, road side node router 221 and vehicular mobile node router 232 establish the first main channel. The vehicle-mounted mobile node router 232 interacts with the control platform 24 through the road side node router 221 and the central gateway node router 21.
In the network management method provided by the foregoing embodiment of the present disclosure, by setting a central gateway node router and a plurality of roadside node routers in fixed positions in a mine, the on-board mobile node router can enter a network through the central gateway node router or the roadside node routers. Therefore, the requirements of low time delay and high reliability of communication can be met.
Fig. 3 is a flow diagram of a network management method according to another embodiment of the disclosure.
In step 301, the vehicular mobile node router selects a second router in the network according to the end-to-end channel quality, wherein the channel quality between the second router and the vehicular mobile node router satisfies a preset condition.
For example, the channel quality between the second router and the in-vehicle mobile node router is the sub-optimal channel quality.
In step 302, in a case that the second router is a central gateway node router, the central gateway node router and the vehicle-mounted mobile node router establish a first auxiliary channel, so that the vehicle-mounted mobile node router interacts with the control platform through the first auxiliary channel and a channel between the central gateway node router and the control platform when the first main channel fails.
In step 303, in a case that the second router is a road side node router, the road side node router and the vehicle-mounted mobile node router establish a second auxiliary channel, so that the vehicle-mounted mobile node router interacts with the control platform through the second auxiliary channel, the channel between the road side node router and the central gateway node router, and the channel between the central gateway node router and the control platform when the second main channel fails.
For example, as shown in fig. 2, if the channel between the vehicle-mounted mobile node router 231 and the central gateway node router 21 is an optimal channel, and the channel between the vehicle-mounted mobile node router 231 and the road side node router 222 is a sub-optimal channel, the vehicle-mounted mobile node router 231 and the central gateway node router 21 establish a first main channel, and also establish a first auxiliary channel with the road side node router 222. So that the vehicular mobile node router 231 interacts with the control platform 24 through the road side node router 222 and the central gateway node router 21 when the first main channel fails.
For another example, as shown in fig. 2, if the channel between the vehicular mobile node router 232 and the road side node router 221 is the optimal channel and the channel between the vehicular mobile node router 232 and the central gateway node router 21 is the sub-optimal channel, the vehicular mobile node router 232 and the road side node router 221 establish a first main channel and also establish a first auxiliary channel with the central gateway node router 21. So that the in-vehicle mobile node router 232 interacts with the control platform 24 through the central gateway node router 21 when the first primary channel fails.
It should be noted that, as the vehicle moves in the mining area, the connection relationship between the in-vehicle mobile node router 232 and the network also changes. For example, as shown in fig. 2, if the vehicle moves from the location of the in-vehicle mobile node router 231 to the location of the in-vehicle mobile node router 232, the corresponding main channel and auxiliary channel will also change.
It should be noted that, in the embodiment shown in fig. 2, the solid line represents the main channel, and the dotted line represents the auxiliary channel.
In some embodiments, when the road side node router joins the network, the third router is selected from the network according to the end-to-end channel quality, wherein the channel quality between the third router and the road side node router joining the network is the best channel quality. And under the condition that the third router is the central gateway node router, the central gateway node router and the road side node router which joins the network establish a third main channel so that the road side node router which joins the network interacts with the central gateway node router through the third main channel. And under the condition that the third router is other road side node routers in the network, the other road side node routers and the road side node router joining the network establish a fourth main channel, so that the road side node router joining the network interacts with the other road side node routers through the fourth main channel.
In some embodiments, when the road side node router joins the network, a fourth router is further selected from the network according to the end-to-end channel quality, wherein the channel quality between the fourth router and the road side node router joining the network meets a preset condition. And under the condition that the fourth router is the central gateway node router, the central gateway node router and a road side node router which joins in the network establish a third auxiliary channel, so that the road side node router interacts with the central gateway node router through the third auxiliary channel when the third main channel sends a fault. And under the condition that the fourth router is the other road side node routers in the network, the other road side node routers and the road side node routers joining the network establish a fourth auxiliary channel, so that the road side node router interacts with the other road side node routers through the fourth auxiliary channel when the fourth main channel sends a fault.
For example, as shown in fig. 2, when the road side node router 222 joins the network, the channel between the road side node router 222 and the central gateway node router 21 is the optimal channel, and the channel between the road side node router 223 and the road side node router is the sub-optimal channel. Roadside node router 222 establishes a third primary channel with central gateway node router 21 and a third secondary channel with roadside node router 223. So that roadside node router 222 interacts with central gateway node router 21 through roadside node router 223 when the third main channel fails.
For another example, as shown in fig. 2, when the road side node router 223 joins the network, the channel between the road side node router 223 and the road side node router 221 is the optimal channel, and the channel between the road side node router 222 is the sub-optimal channel. Roadside node router 223 establishes a fourth primary channel with roadside node router 221 and a fourth secondary channel with roadside node router 222. So that roadside node router 223 interacts with central gateway node router 21 through roadside node router 222 when the fourth main channel fails.
In some embodiments, the surveillance camera device interacts with the surveillance platform using a wireless communication network. For example, the wireless communication network is a 4G network or a 5G network.
Fig. 4 is a schematic diagram of a 4G network configuration according to one embodiment of the present disclosure.
As shown in fig. 4, a 4G fixed base station 41 may be constructed at a suitable location in a mine to ensure that the entire mine site is within the coverage area of the base station. The coverage radius of the 4G base station is 4 KM. To reduce the amount of fiber lay-down work, the central gateway node router may be installed at the same location as the 4G base station. In order to avoid signal shadowing, a plurality of mobile base stations 42 may also be located in the mine. The monitoring camera 43 is connected to a CPE (Customer Premise Equipment) 44, so that video information acquired by the monitoring camera 43 is transmitted to a monitoring platform 45 through a 4G network.
Fig. 5 is a schematic diagram of a 5G network configuration according to one embodiment of the present disclosure.
As shown in fig. 5, a MEC (Mobile Edge Computing) platform 55 and a 5G CU (Centralized Unit)/DU (Distributed Unit) Unit 51 are installed and deployed in the mine office. The monitoring camera 53 is connected to the CPE device 54, and an AAU (Active antenna unit) 52 is set according to the position of the monitoring camera 53. The coverage radius of the AAU 52 may be 300 meters. The MEC platform 55 analyzes and processes the video data uploaded by the monitoring camera 53 through the CPE device 54, and provides the processing result to the monitoring platform 56.
Fig. 6 is a schematic diagram of a network system according to one embodiment of the present disclosure. As shown in fig. 6, the network system includes one or more central gateway node routers 61, a plurality of roadside node routers 62, and a plurality of in-vehicle mobile node routers 63. The central gateway node router 61 and the roadside node routers 62 are in a mesh structure.
The vehicular mobile node router 63 is configured to select a first router in the MESH network according to an end-to-end channel quality, where the channel quality between the first router and the vehicular mobile node router is an optimal channel quality.
The central gateway node router 61 is configured to establish a first main channel with the in-vehicle mobile node router 63 in case it is selected as the first router, so that the in-vehicle mobile node router 63 interacts with the control platform 64 through the first main channel and the channel between the central gateway node router and the control platform.
Roadside node router 62 is configured to establish a second primary channel with in-vehicle mobile node router 63 if selected as the first router, such that in-vehicle mobile node router 63 interacts with control platform 64 through the second primary channel, the channel between the roadside node router and the central gateway node router, and the channel between the central gateway node router and the control platform.
In some embodiments, the vehicular mobile node router 63 is further configured to select a second router in the network according to the end-to-end channel quality, wherein the channel quality between the second router and the vehicular mobile node router satisfies a preset condition.
The central gateway node router 61 is further configured to establish a first auxiliary channel with the in-vehicle mobile node router 63 in case of being selected as a second router, so that the in-vehicle mobile node router 63 interacts with the control platform 64 through the first auxiliary channel and a channel between the central gateway node router and the control platform when the first main channel fails.
The road side node router 62 is further configured to establish a second auxiliary channel with the in-vehicle mobile node router 63 in a case where the road side node router is selected as the second router, so that the in-vehicle mobile node router 63 interacts with the control platform 64 through the second auxiliary channel, the channel between the road side node router and the central gateway node router, and the channel between the central gateway node router and the control platform when the second main channel fails.
In some embodiments, roadside node router 62 is further configured to, upon joining the network, select a third router in the network based on end-to-end channel quality, where the channel quality between the third router and the roadside node router joining the network is the best channel quality.
The central gateway node router 61 is further configured to establish a third primary channel with the road side node router 62 joining the network if selected as a third router, such that the road side node router 62 joining the network interacts with the central gateway node router 61 via the third primary channel.
Other roadside node routers 62 in the network are further configured to establish a fourth main channel with the road side node router joining the network if selected as a third router, such that the road side node router joining the network interacts with the other road side node routers through the fourth main channel.
In some embodiments, the roadside node routers 62 are further configured to, when joining the network, select a fourth router in the network according to end-to-end channel quality, where the channel quality between the fourth router and the roadside node routers joining the network satisfies a preset condition.
The central gateway node router 61 is further configured to establish a third auxiliary channel with the road side node router joining the network in case of being selected as the fourth router, so that the road side node router interacts with the central gateway node router through the third auxiliary channel when the third main channel sends a failure.
Other roadside node routers 62 in the network are further configured to establish a fourth auxiliary channel with the roadside node routers joining the network if selected as a fourth router, such that the roadside node routers interact with other roadside node routers through the fourth auxiliary channel when the fourth main channel fails.
In some embodiments, the specific connection relationship between the central gateway node router 61, the road side node router 62 and the vehicular mobile node router 63 in the network system may be as shown in fig. 2.
In some embodiments, the mine may also monitor cameras, interacting with the monitoring platform using a wireless communications network. The wireless communication network is, for example, a 4G network or a 5G network.
For example, in the case where the wireless communication network is a 4G network, the network configuration may be as shown in fig. 4. In the case where the wireless communication network is a 5G network, the network configuration may be as shown in fig. 5.
In some embodiments, the functional modules may be implemented as a general purpose Processor, a Programmable logic Controller (Programmable L general Controller, abbreviated as P L C), a Digital Signal Processor (Digital Signal Processor, abbreviated as DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, or any suitable combination thereof for performing the functions described in this disclosure.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
So far, embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (12)
1. A network management method, comprising:
the method comprises the following steps that a vehicle-mounted mobile node router selects a first router in an MESH network according to end-to-end channel quality, wherein the channel quality between the first router and the vehicle-mounted mobile node router is the optimal channel quality;
under the condition that the first router is a central gateway node router, the central gateway node router and the vehicle-mounted mobile node router establish a first main channel, so that the vehicle-mounted mobile node router interacts with the control platform through the first main channel and a channel between the central gateway node router and the control platform;
and under the condition that the first router is a road side node router, establishing a second main channel between the road side node router and the vehicle-mounted mobile node router so that the vehicle-mounted mobile node router interacts with the control platform through the second main channel, the channel between the road side node router and the central gateway node router and the channel between the central gateway node router and the control platform.
2. The method of claim 1, further comprising:
the vehicle-mounted mobile node router selects a second router in the network according to end-to-end channel quality, wherein the channel quality between the second router and the vehicle-mounted mobile node router meets a preset condition;
under the condition that the second router is a central gateway node router, the central gateway node router and the vehicle-mounted mobile node router establish a first auxiliary channel, so that the vehicle-mounted mobile node router interacts with the control platform through the first auxiliary channel and a channel between the central gateway node router and the control platform when a first main channel fails;
and under the condition that the second router is a road side node router, establishing a second auxiliary channel between the road side node router and the vehicle-mounted mobile node router, so that the vehicle-mounted mobile node router interacts with the control platform through the second auxiliary channel, the channel between the road side node router and the central gateway node router and the channel between the central gateway node router and the control platform when the second main channel fails.
3. The method of claim 2, further comprising:
when the road side node router joins the network, selecting a third router from the network according to end-to-end channel quality, wherein the channel quality between the third router and the road side node router joining the network is the best channel quality;
under the condition that the third router is a central gateway node router, the central gateway node router and a road side node router joining the network establish a third main channel so that the road side node router joining the network interacts with the central gateway node router through the third main channel;
and under the condition that the third router is other road side node routers in the network, the other road side node routers and the road side node routers joining the network establish a fourth main channel, so that the road side node routers joining the network interact with the other road side node routers through the fourth main channel.
4. The method of claim 3, further comprising:
when the road side node router joins the network, selecting a fourth router from the network according to end-to-end channel quality, wherein the channel quality between the fourth router and the road side node router joining the network meets a preset condition;
under the condition that the fourth router is a central gateway node router, the central gateway node router and a road side node router joining the network establish a third auxiliary channel, so that the road side node router interacts with the central gateway node router through the third auxiliary channel when the third main channel sends a fault;
and under the condition that the fourth router is other road side node routers in the network, the other road side node routers and the road side node routers joining the network establish a fourth auxiliary channel, so that the road side node routers interact with the other road side node routers through the fourth auxiliary channel when the fourth main channel sends a fault.
5. The method of any of claims 1-4, further comprising:
the monitoring camera device interacts with the monitoring platform by utilizing a wireless communication network.
6. The method of claim 5, wherein,
the wireless communication network is a 4G network or a 5G network.
7. A network system, comprising:
the system comprises a vehicle-mounted mobile node router and a network management server, wherein the vehicle-mounted mobile node router is configured to select a first router in an MESH network according to end-to-end channel quality, and the channel quality between the first router and the vehicle-mounted mobile node router is the optimal channel quality;
the central gateway node router is configured to establish a first main channel with the vehicle-mounted mobile node router under the condition that the central gateway node router is selected as a first router, so that the vehicle-mounted mobile node router interacts with the control platform through the first main channel and a channel between the central gateway node router and the control platform;
and the road side node router is configured to establish a second main channel with the vehicle-mounted mobile node router under the condition that the road side node router is selected as the first router, so that the vehicle-mounted mobile node router interacts with the control platform through the second main channel, the channel between the road side node router and the central gateway node router and the channel between the central gateway node router and the control platform.
8. The system of claim 7, wherein,
the vehicular mobile node router is also configured to select a second router in the network according to end-to-end channel quality, wherein the channel quality between the second router and the vehicular mobile node router meets a preset condition;
the central gateway node router is also configured to establish a first auxiliary channel with the vehicle-mounted mobile node router under the condition that the central gateway node router is selected as a second router, so that the vehicle-mounted mobile node router interacts with the control platform through the first auxiliary channel and a channel between the central gateway node router and the control platform when the first main channel fails;
and the road side node router is also configured to establish a second auxiliary channel with the vehicle-mounted mobile node router under the condition that the road side node router is selected as a second router, so that the vehicle-mounted mobile node router interacts with the control platform through the second auxiliary channel, the channel between the road side node router and the central gateway node router and the channel between the central gateway node router and the control platform when the second main channel fails.
9. The system of claim 8, wherein,
the road side node router is also configured to select a third router in the network according to end-to-end channel quality when joining the network, wherein the channel quality between the third router and the road side node router joining the network is the best channel quality;
the central gateway node router is further configured to establish a third main channel with the road side node router joining the network under the condition that the central gateway node router is selected as a third router, so that the road side node router joining the network interacts with the central gateway node router through the third main channel;
the other road side node routers in the network are further configured to establish a fourth main channel with the road side node router joining the network if selected as the third router, so that the road side node router joining the network interacts with the other road side node routers through the fourth main channel.
10. The system of claim 9, wherein,
the road side node router is also configured to select a fourth router in the network according to end-to-end channel quality when the road side node router joins the network, wherein the channel quality between the fourth router and the road side node router joining the network meets a preset condition;
the central gateway node router is also configured to establish a third auxiliary channel with a road side node router joining the network under the condition that the central gateway node router is selected as a fourth router, so that the road side node router interacts with the central gateway node router through the third auxiliary channel when the third main channel sends a fault;
and under the condition that the router is selected as a fourth router, establishing a fourth auxiliary channel with the road side node router which joins the network, so that the router interacts with the other road side node routers through the fourth auxiliary channel when the fourth main channel sends a fault.
11. The system of any of claims 7-10, further comprising:
and the monitoring camera device is configured to interact with the monitoring platform by utilizing a wireless communication network.
12. The system of claim 11, wherein,
the wireless communication network is a 4G network or a 5G network.
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