CN112152669B - Locking system based on broadband power line carrier network application scene - Google Patents
Locking system based on broadband power line carrier network application scene Download PDFInfo
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- CN112152669B CN112152669B CN202011010935.XA CN202011010935A CN112152669B CN 112152669 B CN112152669 B CN 112152669B CN 202011010935 A CN202011010935 A CN 202011010935A CN 112152669 B CN112152669 B CN 112152669B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
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Abstract
The invention provides a locking system based on an application scene of a broadband power line carrier network, which comprises a sampling network, a low-voltage distribution network, an intelligent home network and sampling network terminal equipment with crosstalk. The adoption network terminal equipment can receive messages sent by an adoption network, a low-voltage distribution network and an intelligent home network; a network locking message processing program is arranged in the network terminal equipment; accessing the operation and maintenance copy controller by adopting network terminal equipment; the operation and maintenance copy controller can monitor the mining network terminal equipment, and the messages sent by the operation and maintenance copy controller are received by the mining network terminal equipment. By the technical scheme, when crosstalk networks or multiple networks coexist, the operation and maintenance copy controller sends an extended SACK frame to enable the STA entering the wrong network to quickly join the appointed network, so that the network locking method is realized.
Description
Technical Field
The invention relates to the field of power line carrier communication, in particular to a locking system based on an application scene of a broadband power line carrier network.
Background
With the large application of broadband power line carrier (HPLC) in power marketing and distribution professions, data reading failure caused by the fact that HPLC is heavily mistakenly inserted into a network is caused due to the difference of list management in marketing and distribution fields. The current solution is to add an authentication mechanism in the STA. However, this mechanism can only solve the problem that after the correct network is entered, the network is accessed after the network is subsequently disconnected and left, but the problem that the network is not accessed because the network is not disconnected at the beginning of the operation. The invention provides a method for solving the problem of confusion of a marketing and distribution network on site.
Fig. 2 shows a schematic diagram of a mining network, a low-voltage distribution network and an HPLC-based smart home network in which crosstalk exists. Each CCO in the three networks may or may not receive the message of the other network, and the STA may receive the message sent by the CCO in the three networks. The SNID in fig. 2 is a network identifier, which is used to distinguish the broadband carrier communication networks, and the network identifier is independent and unique. In fig. 2, it is assumed that the STA is a network terminal device, the STA should be added to the usage network under normal conditions, but since the distribution network and the smart home network do not start white list setting or white list setting, and the STA detects that the channel quality of the distribution network is better than those of the other two networks, the STA directly sends an association request to the distribution network to join the distribution network system, so that the usage network cannot always receive an access request of the STA and cannot perform data interaction with the STA.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a locking system based on an application scene of a broadband power line carrier network, and when a crosstalk network or a plurality of networks coexist, a network locking method is realized by using a copy controller to send an extended SACK frame to enable an STA entering a wrong network to quickly join a specified network.
The invention is realized by the following technical scheme: a locking system based on a broadband power line carrier network application scene comprises a sampling network, a low-voltage distribution network, an intelligent home network and a sampling network terminal device which have crosstalk, wherein the sampling network terminal device can receive messages sent by the sampling network, the low-voltage distribution network and the intelligent home network; a network locking message processing program is arranged in the network terminal equipment; accessing the operation and maintenance copy controller by adopting network terminal equipment; the operation and maintenance copy controller sets a network access rejection list; the operation and maintenance copy controller can monitor the mining network terminal equipment, the messages sent by the operation and maintenance copy controller are received by the mining network terminal equipment, the operation and maintenance copy controller sends network locking messages to the mining network terminal equipment, and the network locking messages are received by the mining network terminal equipment; the network locking message is realized by expanding a SACK frame, and the SACK frame carries a network identification value of a rejected network and an MAC address of an operation and maintenance copy controller; the operation and maintenance copy controller is internally provided with a monitoring program of a mining network terminal device
As a preferred scheme, the adoption network, the low-voltage distribution network and the intelligent home network are provided with network identifiers, and each network identifier is independent and unique.
Preferably, the network of the acquisition network, the low-voltage distribution network and the intelligent home network is appointed to be added into the network access refusal list in the network locking message.
The network locking message processing program adopting the network terminal equipment comprises the following specific steps: s11, judging whether the MAC of the received expansion SACK frame is matched with the MAC address of the network terminal equipment, if not, ending, and if so, entering the next step;
s12: adding the SNID network specified in the extended SACK frame into a rejected network list and storing the same, and then performing soft reset on the STA;
s13: and restarting the network terminal equipment to enter a normal frequency sweeping network access process.
The monitoring program of the network terminal equipment for the operation and maintenance copy controller comprises the following specific steps:
s21, the operation and maintenance copy controller monitors the message on the fixed frequency band, monitors the discovery list message, and reports the monitored MAC address and SNID to the upper computer
S22: checking whether the upper computer monitors the adoption network terminal equipment entering the wrong network or not, if not, continuing monitoring, and if so, performing the next step;
s23: and the upper computer sends the SNID and the MAC address to the operation and maintenance copy controller, and the operation and maintenance copy controller broadcasts the SACK frame for three times.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects: when the crosstalk network or the multiple networks coexist, the network locking method is realized by using the copy controller to send the expansion SACK frame to enable the STA entering the wrong network to quickly join the appointed network, the operation and maintenance copy controller can be used for quickly positioning the appointed STA, the network selection and the network entry of the appointed STA can be effectively solved, and the appointed STA is enabled to join the appointed network and lock the network.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of the operation and maintenance copy controller;
FIG. 2 is a schematic diagram of a network in which crosstalk is present;
fig. 3 is a flowchart of a network locking message processing procedure using a network terminal device;
FIG. 4 is a flow chart of a monitoring program of the network terminal device for the operation and maintenance controller,
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
The method based on HPLC network locking according to the embodiment of the present invention is specifically described below with reference to fig. 1 to 4.
The invention provides a locking system based on an application scene of a broadband power line carrier network, which comprises a sampling network, a low-voltage distribution network, an intelligent home network and sampling network terminal equipment (STA) with crosstalk, wherein network identifiers (SNID) are arranged on the sampling network, the low-voltage distribution network and the intelligent home network, and each network identifier is independent and unique. The network terminal equipment for use and acquisition can receive messages sent by a network for use and acquisition, a low-voltage distribution network and an intelligent home network; a network locking message processing program is arranged in the network terminal equipment; accessing the operation and maintenance copy controller by adopting network terminal equipment; the operation and maintenance copy controller sets a network access rejection list; the operation and maintenance copy controller can monitor the mining network terminal device (STA), messages sent by the operation and maintenance copy controller are received by the mining network terminal device (STA), the operation and maintenance copy controller sends network locking messages to the mining network terminal device (STA), the mining network terminal device (STA) receives the network locking messages, and the specified network SNID in the network locking messages is added into the network access refusing list. After a rejection list is set by adopting network terminal equipment (STA), the network terminal equipment is restarted, and after the restart, the network terminal equipment applies for a network access process, the network SNID in the rejection list is judged, and the corresponding network is refused to be added, so that the purpose of adding the specified network is achieved, and the network locking function is realized. The network locking message is realized by expanding a SACK frame, the SACK frame carries a network identification value of a refused network and an MAC address of an operation and maintenance copy controller, and the STA identifies whether the SACK frame is the expanded SACK frame appointed to the equipment or not by comparing the MAC address, so that subsequent operation is performed. The operation and maintenance copy controller is internally provided with a monitoring program for acquiring network terminal equipment.
With a network locking message processing program of the network terminal device, the STA programming flow is as shown in fig. 3, when there are multiple rejected networks, the process is repeated until all networks that cannot be joined are notified to the STA, and finally the STA can be joined to the specified network, thereby achieving the purpose of network locking. The method comprises the following specific steps: s11, judging whether the MAC of the received expansion SACK frame is matched with the MAC address of the network terminal equipment, if not, ending, and if so, entering the next step;
s12: adding the SNID network specified in the extended SACK frame into a rejected network list and storing the same, and then performing soft reset on the STA;
s13: and restarting the network terminal equipment to enter a normal frequency sweeping network access process.
The network working frequency bands of different application scenes such as a sampling network, a low-voltage distribution network, an intelligent home network based on HPLC and the like of the operation and maintenance copy controller may be the same or different, so that the operation and maintenance copy controller is required to support searching and reporting of monitored STA information including the working frequency band and an MAC address in each frequency band, and maintenance operation is facilitated. The operation and maintenance copy controller programming flow is shown in fig. 4. The method comprises the following specific steps:
s21, the operation and maintenance copy controller monitors the message on the fixed frequency band, monitors the discovery list message, and reports the monitored MAC address and SNID to the upper computer
S22: checking whether the upper computer monitors the adoption network terminal equipment entering the wrong network or not, if not, continuing monitoring, and if so, performing the next step;
s23: and the upper computer sends the SNID and the MAC address to the operation and maintenance copy controller, and the operation and maintenance copy controller broadcasts the SACK frame for three times.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A locking system based on broadband power line carrier network application scene comprises a sampling network, a low-voltage distribution network, an intelligent home network and a sampling network terminal device with crosstalk, and is characterized in that,
the adoption network terminal equipment can receive messages issued by an adoption network, a low-voltage distribution network and an intelligent home network;
the network terminal equipment is internally provided with a network locking message processing program, and the method comprises the following specific steps:
s11, judging whether the MAC of the received expansion SACK frame is matched with the MAC address of the network terminal equipment, if not, ending, and if so, entering the next step;
s12: adding the SNID network specified in the extended SACK frame into a rejected network list and storing the same, and then performing soft reset on the STA;
s13: restarting a network terminal device to enter a normal frequency sweeping network access process;
accessing the operation and maintenance copy controller by adopting network terminal equipment;
the operation and maintenance copy controller sets a network access rejection list;
the operation and maintenance copy controller can monitor the mining network terminal equipment, the messages sent by the operation and maintenance copy controller are received by the mining network terminal equipment, the operation and maintenance copy controller sends network locking messages to the mining network terminal equipment, and the network locking messages are received by the mining network terminal equipment;
the network locking message is realized by expanding a SACK frame, and the SACK frame carries a network identification value of a rejected network and an MAC address of an operation and maintenance copy controller;
the operation and maintenance copy controller is internally provided with a monitoring program of the network terminal equipment, and comprises the following specific steps:
s21, the operation and maintenance copy controller monitors the message on a fixed frequency band, monitors the discovery list message, and reports the monitored MAC address and SNID to the upper computer;
s22: checking whether the upper computer monitors the adoption network terminal equipment entering the wrong network or not, if not, continuing monitoring, and if so, performing the next step;
s23: and the upper computer sends the SNID and the MAC address to the operation and maintenance copy controller, and the operation and maintenance copy controller broadcasts the SACK frame for three times.
2. The locking system based on the application scene of the broadband power line carrier network according to claim 1, wherein the utilization network, the low-voltage power distribution network and the smart home network are provided with network identifiers, and each network identifier is independent and unique.
3. The locking system based on the application scenario of the broadband power line carrier network as claimed in claim 1, wherein the network joining with the adoption network, the low voltage distribution network and the intelligent home network is specified in the network locking message to be added into the network access rejection list.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011010935.XA CN112152669B (en) | 2020-09-23 | 2020-09-23 | Locking system based on broadband power line carrier network application scene |
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| CN202011010935.XA CN112152669B (en) | 2020-09-23 | 2020-09-23 | Locking system based on broadband power line carrier network application scene |
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| CN112152669A CN112152669A (en) | 2020-12-29 |
| CN112152669B true CN112152669B (en) | 2021-09-07 |
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