A self-organizing network communication method and device based on soft bus in power transmission line

Abstract

The present invention discloses a self-organizing network communication method and device based on a soft bus in a power transmission line. All online monitoring devices are connected to form a chain self-organizing network based on the soft bus at the hardware layer, and each online monitoring device is a node; the nodes in the chain self-organizing network execute the following method, including: receiving a service request message broadcast by a first neighbor node in the chain self-organizing network; broadcasting a subscription service request message, creating a data communication link with the first neighbor node, and updating the information of the current node to the link related information; receiving the service request message broadcast by the first neighbor node again, and judging whether the content of the service request message is consistent with the link related information, if so, stopping the broadcast of the subscription service request message; broadcasting the service request message, and initiating a path establishment request to the second neighbor node in the chain self-organizing network. The existing self-organizing network method is simplified, so that the devices can communicate effectively.

Description

Technical Field

[0001] The present invention relates to the technical field of power transmission line networking, and in particular to a self-organizing network communication method and device based on a soft bus in a power transmission line. Background Art

[0002] In the application scenario of power transmission lines, it is necessary to set up an online monitoring device to monitor the status of the transmission line. At present, the methods of uploading data by online monitoring devices mainly include:

[0003] (1) Based on the 4G / 5G communication module, the data collected by the online monitoring device is uploaded to the IoT / Visual Network platform using the public network / mobile private network / public network + mobile private network communication mode. However, in the scenario of double-no areas (no signal / no people area), there is no signal coverage or the signal is very weak, and the communication quality of the 4G / 5G communication module is poor, resulting in the online monitoring device being frequently disconnected or lost, which greatly reduces the monitoring efficiency.

[0004] (2) The online monitoring device consists of a camera device and a self-organizing network device. The online monitoring devices on different towers are meshed through the self-organizing network device. After multiple hops, they are connected to the public network area (with good 4G / 5G signals) or the tower through the network cable. After the self-organizing network device receives the video data, it is transmitted to the public network through the 4G / 5GCPE (Customer Premise Equipment) router or network cable. However, as the number of towers increases, the cost rises sharply. In addition, when two devices in the online monitoring device of the transmission line work at the same time, the use of solar power supply also faces great challenges in battery life.

[0005] (3) The online monitoring device adopts an integrated design, integrating the self-organizing network communication function and the camera acquisition function. The integrated online monitoring devices are mesh-chained and connected to a public network area (with good 4G / 5G signals) or a tower via a network cable after multiple hops. After the self-organizing network device receives the video data, it transmits it to the public network through a 4G / 5G CPE router or a network cable. However, the self-organizing network function and the camera acquisition function are embedded in the online monitoring device, and the power consumption is still high. In addition, the self-organizing network design is relatively complex, and development and maintenance are not easy to operate. The exhaustion of node energy can easily cause the communication path to be interrupted, affecting the normal operation of the wireless self-organizing network. Summary of the invention

[0006] The technical problem to be solved by the present invention is to provide a self-organizing network communication method and device based on a soft bus in a power transmission line, so as to simplify the implementation mode of the self-organizing network.

[0007] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0008] A self-organizing network communication method based on a soft bus in a power transmission line, in which all online monitoring devices are connected based on the soft bus at the hardware layer to form a chain self-organizing network, each of which is a node; the nodes in the chain self-organizing network execute the following method, including:

[0009] Receiving a service request message broadcasted by a first neighbor node in the chained ad hoc network;

[0010] Sending a broadcast of a subscription request message for the service, establishing a data communication link with the first neighboring node, and updating the information of the current node to the link related information;

[0011] receiving the service request message broadcasted by the first neighbor node again, and determining whether the content of the service request message is consistent with the link-related information, and if so, stopping broadcasting the subscription to the service request message;

[0012] The service request message is broadcasted to initiate a path establishment request to a second neighbor node in the chained ad hoc network.

[0013] In order to solve the above technical problems, another technical solution adopted by the present invention is:

[0014] A self-organizing network communication device based on a soft bus in a power transmission line comprises a memory, a processor and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, each step of the self-organizing network communication method based on a soft bus in a power transmission line as described above is implemented.

[0015] The beneficial effects of the present invention are as follows: by connecting all online monitoring devices based on a soft bus at the hardware layer to form a chain-type self-organizing network, and recording data forwarding information and data path information between nodes through link-related information, when the node receives a service request message broadcast by a neighboring node for the second time, and the data in the service request message is consistent with the data stored in the link-related information, it will no longer be broadcast, that is, when the data is consistent, the current node is determined to be the next node of the neighboring node for information interaction, and the service request message is broadcast to establish a path with the next neighboring node, so that the devices in the self-organizing network can quickly discover other devices and connected devices, realize efficient data transmission, simplify the existing self-organizing network mode, so that in the double-free area of ​​the transmission line, the devices can also communicate effectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is an overall block diagram of a distributed soft bus in an embodiment of the present invention;

[0017] Figure 2 It is a chain communication topology diagram of the double-free area equipment of the power transmission line in the embodiment of the present invention;

[0018] Figure 3 It is a workflow sequence diagram of the device soft bus and RPC in the embodiment of the present invention;

[0019] Figure 4 A topological diagram of the chain distribution of power transmission line towers in an embodiment of the present invention;

[0020] Figure 5 This is a schematic diagram of class routing table information in an embodiment of the present invention;

[0021] Figure 6 This is a schematic diagram of path communication information in an embodiment of the present invention;

[0022] Figure 7 A schematic diagram of updating class routing table information and path communication information in an embodiment of the present invention;

[0023] Figure 8 This is a schematic diagram of enhanced class routing table information in an embodiment of the present invention;

[0024] Fig. 9 This is a schematic diagram of enhanced path communication information in an embodiment of the present invention;

[0025] Fig.10 A schematic diagram of establishing an enhanced ad hoc network path in an embodiment of the present invention;

[0026] Fig.11 The present invention is a schematic diagram of the structure of a self-organizing network communication device based on a soft bus in a power transmission line according to an embodiment of the present invention. DETAILED DESCRIPTION

[0027] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in combination with the implementation modes and the accompanying drawings.

[0028] A self-organizing network communication method based on a soft bus in a power transmission line, in which all online monitoring devices are connected based on the soft bus at the hardware layer to form a chain self-organizing network, each of which is a node; the nodes in the chain self-organizing network execute the following method, including:

[0029] Receiving a service request message broadcasted by a first neighbor node in the chained ad hoc network;

[0030] Sending a broadcast of a subscription request message for the service, establishing a data communication link with the first neighboring node, and updating the information of the current node to the link related information;

[0031] receiving the service request message broadcasted by the first neighbor node again, and determining whether the content of the service request message is consistent with the link-related information, and if so, stopping broadcasting the subscription to the service request message;

[0032] The service request message is broadcasted to initiate a path establishment request to a second neighbor node in the chained ad hoc network.

[0033] From the above description, it can be seen that the beneficial effects of the present invention are: by connecting all online monitoring devices based on a soft bus at the hardware layer to form a chain-type self-organizing network, and recording the data forwarding information and data path information between nodes through link-related information, when the node receives the service request message broadcast by the neighbor node for the second time, and the data in the service request message is consistent with the data stored in the link-related information, it will no longer be broadcast, that is, when the data is consistent, the current node is determined to be the next node of the neighbor node for information interaction, and the service request message is broadcast to establish a path with the next neighbor node, so that the devices in the self-organizing network can quickly discover other devices and connected devices, realize efficient data transmission, simplify the existing self-organizing network method, so that in the double-free area of ​​the transmission line, the devices can also communicate effectively.

[0034] Furthermore, the service request message includes a destination node address;

[0035] The determining whether the content of the service request message is consistent with the link related information includes:

[0036] It is determined whether the destination node address parsed from the service request message is consistent with the destination node address in the link-related information. If so, the broadcast of subscribing to the service request message is stopped.

[0037] From the above description, it can be seen that by comparing whether the destination node address in the service request message is consistent with the destination node address in the link-related information, when the destination node address is consistent, it means that the current node has established a link with the previous node and they are used together to transmit data to the same destination node.

[0038] Further, the link-related information includes class routing table information and path communication information;

[0039] The class routing table information stores the destination node data and routing data; the path communication information stores the data of all nodes on the path;

[0040] The initiating a path establishment request to the second neighbor node in the chained ad hoc network comprises:

[0041] Obtain the number of nodes of the adjacent second neighbor node;

[0042] The data communication link corresponding to the number of nodes is established, and the class routing table information and path communication information are updated according to the information corresponding to all the second neighbor nodes to obtain enhanced class routing table information and enhanced path communication information.

[0043] From the above description, it can be seen that by establishing data communication links between a node and multiple adjacent nodes, the source node in the self-organizing network can reach the destination node through multiple paths, so that when an abnormality occurs in a node in the self-organizing network, the self-organizing network can self-heal and ensure that all other equipment on the entire transmission line can continue to operate normally.

[0044] Further, the acquiring the number of the second adjacent neighboring nodes includes:

[0045] ;

[0046] in, L To measure the transmission distance, △L is the tolerance distance, D is the distance between nodes, k is the number of nodes.

[0047] From the above description, it can be seen that based on the measured transmission distance, tolerance distance and distance between nodes when the communication modules of the two devices can communicate normally, the number of nodes that can directly communicate with each other is calculated, thereby establishing multiple effective transmission paths based on the number of nodes.

[0048] Further, after receiving the service request message broadcast by the first neighbor node in the chained ad hoc network, the method further comprises:

[0049] The service request message includes the enhanced class routing table information and enhanced path communication information;

[0050] The current node determines the node state according to the enhanced class routing table information and the enhanced path communication information, and executes a path establishment step corresponding to the node state.

[0051] From the above description, it can be seen that in the process of path establishment, the state of the current node is first determined through the enhanced class routing table information and the enhanced path communication information, and then the corresponding path establishment steps are performed based on the state of the current node, so as to obtain a more reasonable data path.

[0052] Further, the node status includes a destination node;

[0053] If the node state is the destination node, updating the enhanced class routing table information and enhanced path communication information according to the information of the current node;

[0054] And send a response to the source node according to the updated enhanced class routing table information and enhanced path communication information, and stop broadcasting.

[0055] From the above description, it can be seen that when the node state is a destination node, it means that the path establishment from the source node to the destination node has been completed, so that the data transmission is completed by updating the enhanced class routing table information and enhanced path communication information and sending a response to the source node, and the broadcast is stopped.

[0056] Further, the node status includes a non-destination node;

[0057] If the node state is the non-destination node and the information of the current node does not exist in the enhanced path communication information, query whether there is a path to the destination node in the enhanced class routing table information; if not, update the enhanced path communication information and the enhanced class routing table information according to the information of the current node, and broadcast the service request message.

[0058] From the above description, it can be seen that when the node state is a non-destination node, it means that the path from the source node to the destination node has not been established, so that the communication link with the subsequent node and the destination node is established based on the current node further broadcast.

[0059] Further, the node status includes a non-destination node;

[0060] If the node state is the non-destination node and the enhanced path communication information contains information about the current node, determine whether the link where the current node is located is independent of other node links; if not, close the data link corresponding to the current node and stop broadcasting.

[0061] From the above description, it can be seen that when the node state is a non-destination node and the link where the current node is located is not independent of other node links, it means that the data can also be transmitted through other associated nodes, avoiding the associated nodes from transmitting the same data multiple times and reducing the energy consumption of devices in the self-organizing network.

[0062] Furthermore, the determining whether the link where the current node is located is independent of other node links also includes:

[0063] If they are independent of each other and there is a path to the destination node in the enhanced class routing table information, the enhanced path communication information and the enhanced class routing table information are updated according to the information of the current node, and a response is sent to the source node to stop broadcasting.

[0064] From the above description, it can be seen that when the node state is a non-destination node and the link where the current node is located is independent of other node links, it means that data can only be transmitted based on this node. Therefore, the feedback to the source node is completed by updating the enhanced path communication information and the enhanced class routing table information.

[0065] Another embodiment of the present invention provides a self-organizing network communication device based on a soft bus in a transmission line, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the computer program, each step in the self-organizing network communication method based on a soft bus in a transmission line as described above is implemented.

[0066] The self-organizing network communication method and device based on soft bus in the power transmission line provided by the present invention can be applied to the self-organizing network construction scenario between online monitoring devices in the power transmission line, which is described below through specific implementation methods:

[0067] Embodiment 1

[0068] A self-organizing network communication method based on a soft bus in a power transmission line, in which all online monitoring devices are connected to form a chain self-organizing network based on the soft bus at the hardware layer, and each line monitoring device is a node; please refer to Figure 1 , this embodiment implements the chain self-organizing network of devices based on the distributed soft bus in the Hongmeng system; wherein, the distributed soft bus is the communication basis for realizing the distributed capabilities of Hongmeng, provides communication capabilities for the cooperation and interconnection between different devices, can quickly discover devices and connect devices, and realize efficient data transmission. The specific components are: (1) The basic communication part is the base of the entire Hongmeng system, including the software and hardware collaboration of the distributed soft bus combined with hardware such as chips, for example, calling the hardware encoding and decoding capabilities of the chip during the streaming media transmission process. (2) The distributed soft bus includes two parts: the bus hub and the task & data bus; wherein the bus hub is the control part of the distributed soft bus, controls networking, connection and other network communication actions, and also realizes full-connection networking, including unified networking of different access protocols (such as BLE and WIFI access respectively). The task & data bus is the data transmission part of the distributed soft bus, and the transmission forms include files, messages, streaming media, byte streams, etc. (3) The terminal device is a video monitoring device based on the Hongmeng system with soft bus characteristics.

[0069] Please refer to Figure 2 , each device is chained and self-organized through the Hongmeng soft bus. After multiple hops, the camera data is connected to a pole tower with a public network area (good 4G / 5G signal) or a public network cable. The pole tower then transmits the data to the public network through a 4G / 5G communication module or network cable. The WiFi of each device is in the same network, and the characteristics of the soft bus are used to achieve interconnection between devices. In the Hongmeng system, the soft bus and RPC (Remote Procedure Call) are two important concepts for realizing communication between devices. The soft bus provides the communication infrastructure between devices, and RPC uses this infrastructure to realize remote calls between different devices.

[0070] Among them, the workflow sequence diagram of the device soft bus and RPC is as follows Figure 3 As shown; in the Hongmeng system, COAP (Constrained Application Protocol) is used to achieve communication between devices, support device discovery and service publishing, thereby realizing a distributed communication subsystem. Through the soft bus, devices can register on the network, provide available services, and discover services provided by other devices through the soft bus. Once a service is discovered, other devices can initiate service requests to the target device through RPC to achieve remote execution of functions. The above mechanism enables a device to act as a service provider (publisher) to provide services to other devices, or as a service consumer (subscriber) to obtain services from other devices.

[0071] Please refer to Figure 4 , which is a topological diagram of the chain distribution of towers in the transmission line; in the area with good signal, the equipment on the tower is selected as the original node, and the equipment is chained and self-organized. After multiple hops, the equipment in the area without signal can transmit data to the public network.

[0072] The nodes in the chained ad hoc network execute the following method, including:

[0073] S1. Receive a service request message broadcast by a first neighbor node in a chained ad hoc network; the service request message includes a destination node address.

[0074] S2. Broadcast a subscription service request message, establish a data communication link with the first neighbor node, and update the current node information to the link related information.

[0075] S3. Receive the service request message broadcast by the first neighbor node again, and determine whether the content of the service request message is consistent with the link-related information. If so, stop broadcasting the subscription service request message. The specific determination method is: determine whether the destination node address parsed from the service request message is consistent with the destination node address in the link-related information. If so, stop broadcasting the subscription service request message.

[0076] S4. Broadcast a service request message to initiate a path establishment request to the second neighbor node in the chained ad hoc network.

[0077] Among them, Figure 4 In a chain network topology, with the initial node N1 as the source node, it is necessary to establish communication with the destination node N6, and there is no path to the destination node N6, so it is necessary to perform a path discovery process, the steps of which are as follows:

[0078] (1) Source node N1 broadcasts a COAP service release message to initiate the path establishment process;

[0079] (2) After receiving the service release message from source node N1, node N2 subscribes to the service and creates a data communication link. Node N1 and node N2 exchange path establishment type information and update link-related information. In this way, node N2 establishes a reverse path to source node N1 and continues to broadcast to neighboring nodes. Subsequently, node N2 receives the broadcast message from node N1 again. If the parsed destination node is consistent with the locally stored destination address, it will no longer broadcast. That is, node N2 executes the above steps S1-S4.

[0080] (3) Similarly, nodes N3, N4, and N5 receive the request message from the previous node in turn and process it in the same way as node N2.

[0081] (4) Destination node N6 receives the broadcast message from node N5, updates the link-related information, and returns response information along the neighboring nodes that sent the message.

[0082] The link-related information proposed in this embodiment includes class routing table information and path communication information. The class routing table information and path communication information work at the application layer and are used to record data forwarding and data path information between devices.

[0083] Please refer to Figure 5 ,The class routing table information mainly includes: destination node IP address, destination node serial number, number of hops to reach the destination node, next hop IP address, and expiration time.

[0084] Please refer to Figure 6 ,The path communication information mainly includes: 1) path communication message type: the type of communication information is a path establishment communication message; 2) the source node IP address and the source node serial number; 3) the destination node IP address and the destination node serial number; 4) the number of nodes: the number of nodes passed by the current location path; 5) the IP address and the node serial number of each node passed by the path.

[0085] The update process of class routing table information and path communication information is as follows: Figure 7 As shown, in the path establishment phase, after the service publishing broadcast and subscription service broadcast, a data session is created between devices to form a data communication link. Through the interaction of device path communication information, the class routing table information and path communication information of the device are updated.

[0086] Embodiment 2

[0087] The difference between this embodiment and the first embodiment is that an enhanced chain self-organizing network method is provided. Among them, in the chain device self-organizing network communication in the double-free area of ​​the transmission line, there is a problem that when a node in the path fails, all subsequent nodes will have abnormal communication. Therefore, in this embodiment, an enhanced adaptive networking method is proposed. In the process of establishing nodes in the path, the source node reaches the destination node by establishing multiple paths, so that when a node in the path is abnormal, the self-organizing network can heal itself and ensure that all other devices on the entire transmission line can continue to operate normally; for example, after obtaining the number of nodes of the adjacent second neighbor nodes, a data communication link corresponding to the number of nodes is established, and the class routing table information and path communication information are updated according to the information corresponding to all second neighbor nodes, to obtain enhanced class routing table information and enhanced path communication information.

[0088] Please refer to Figure 8 , is a schematic diagram of the enhanced class routing table information. Compared with the class routing table information, the enhanced class routing table information adds a path list item, which means that there are multiple paths from the source node to the destination node. Similarly, please refer to Fig. 9 , is a schematic diagram of enhanced path communication information. Compared with path communication information, enhanced path communication information adds multiple path fields and records node information on different paths.

[0089] Wherein, obtaining the number of nodes of the adjacent second neighbor node includes:

[0090] ;

[0091] In the formula, L To measure the transmission distance, △L is the tolerance distance, D is the distance between nodes, k is the number of nodes; the main factors affecting the communication distance of the wireless communication module of the device include: transmission power, antenna type and gain, receiving sensitivity, geographical environment, electromagnetic environment and climatic conditions, so it is necessary to measure the transmission distance when the communication modules of the two devices can communicate normally, that is, to obtain the measured transmission distance ; Assume the tolerance distance is △L , usually 0.2 L , then the number of device nodes that can communicate directly with each other in one direction is k ,when k When it is not less than 2, it means that there are nodes that can communicate with each other in pairs under normal data communication between adjacent devices, which meets the prerequisite of enhanced adaptive networking. For example, when the wireless communication modules between devices are communicating normally, the actual transmission distance is 1000 meters, the tolerance distance is 200 meters, and the distance between the two towers is 300 meters, then the number of nodes that can directly communicate with each other is calculated. k=2.67, which meets the prerequisites for enhanced adaptive networking.

[0092] When a node on the path receives a service publishing broadcast, it subscribes to the service and establishes a data link; it determines the node status based on the enhanced class routing table information and the enhanced path communication information, and executes the path establishment steps corresponding to the node status, specifically:

[0093] Please refer to Fig.10 , taking node N as an example, the steps of node N in the path establishment phase are as follows:

[0094] (1) After receiving the COAP service broadcast, node N subscribes to the service and establishes a data link.

[0095] (2) If node N is the source node, close the data link and stop broadcasting.

[0096] (3) If node N is the destination node, update the enhanced class routing table information and enhanced path communication information, send a response to the source node, and stop broadcasting.

[0097] (4) If node N is not the destination node, parse the received enhanced path communication information; if the information of node N does not exist in the enhanced path communication information, query whether there is a path to the destination node in the class routing table information; if there is no path to the destination node, update the information of node N to the enhanced path communication information, notify the update of the enhanced class routing table information, and continue to broadcast the COAP information;

[0098] If there is a path to the destination node, the enhanced class routing table information and enhanced path communication information are updated, a response is sent to the source node, and broadcasting is stopped.

[0099] (5) If node N is not the destination node, parse the received enhanced path communication message; if the enhanced path communication information contains information about node N, perform the following judgment on the multipath in the path communication information:

[0100] If the node links are not independent of each other, close the data link and stop broadcasting;

[0101] If the node links are independent of each other and there is a path to the destination node in the enhanced class routing table, the enhanced class routing table information and enhanced path communication information are updated, a response is sent to the source node, and the broadcast is stopped.

[0102] Embodiment 3

[0103] Please refer to Fig.11, a self-organizing network communication device based on a soft bus in a transmission line, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the processor implements the various steps of a self-organizing network communication method based on a soft bus in a transmission line as described in Embodiment 1 and Embodiment 2.

[0104] In summary, the self-organizing network communication method and device based on the soft bus in the transmission line provided by the present invention adopts the characteristics of the Hongmeng soft bus to realize the self-organizing network between chain-type distributed devices in the double-free area of ​​the transmission line, and the implementation method is simple. At the same time, an enhanced adaptive networking method is proposed, which can skip the abnormal node and connect to the next node within the communication range when an abnormality occurs in a node in the self-organizing network, so that the self-organizing network can self-heal to ensure smooth communication and ensure that all other devices on the entire transmission line can continue to operate normally.

[0105] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention's specification and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A self-organizing network communication method based on a soft bus in a power transmission line, characterized in that: At the hardware layer, all online monitoring devices are connected based on the soft bus to form a chain-type ad hoc network, and each of the online monitoring devices is a node; The nodes in the chained ad hoc network execute the following method, including: Receiving a service request message broadcasted by a first neighbor node in the chained ad hoc network; Sending a broadcast of a subscription request message for the service, establishing a data communication link with the first neighboring node, and updating the information of the current node to the link related information; receiving the service request message broadcasted by the first neighbor node again, and determining whether the content of the service request message is consistent with the link-related information, and if so, stopping broadcasting the subscription to the service request message; Broadcasting the service request message to initiate a path establishment request to a second neighbor node in the chained ad hoc network; The link related information includes class routing table information and path communication information; The class routing table information stores the destination node data and routing data; the path communication information stores the data of all nodes on the path; The initiating a path establishment request to the second neighbor node in the chained ad hoc network comprises: Obtain the number of nodes of the adjacent second neighbor node; Establishing the data communication link corresponding to the number of nodes, and updating the class routing table information and path communication information according to the information corresponding to all the second neighboring nodes, to obtain enhanced class routing table information and enhanced path communication information; The acquiring the number of the second adjacent neighboring nodes comprises: ； in, L To measure the transmission distance, △L is the tolerance distance, D is the distance between nodes, k is the number of nodes.

2. A method for self-organizing network communication based on soft bus in a power transmission line according to claim 1, characterized in that: The service request message includes a destination node address; The determining whether the content of the service request message is consistent with the link related information includes: It is determined whether the destination node address parsed from the service request message is consistent with the destination node address in the link-related information. If so, the broadcast of subscribing to the service request message is stopped.

3. The method for self-organizing network communication based on soft bus in a power transmission line according to claim 1, characterized in that: The receiving of the service request message broadcasted by the first neighbor node in the chained ad hoc network comprises: The service request message includes the enhanced class routing table information and enhanced path communication information; The current node determines the node state according to the enhanced class routing table information and the enhanced path communication information, and executes a path establishment step corresponding to the node state.

4. The method for self-organizing network communication based on soft bus in a power transmission line according to claim 3, characterized in that: The node status includes a destination node; If the node state is the destination node, updating the enhanced class routing table information and enhanced path communication information according to the information of the current node; And send a response to the source node according to the updated enhanced class routing table information and enhanced path communication information, and stop broadcasting.

5. The method for self-organizing network communication based on soft bus in a power transmission line according to claim 3, characterized in that: The node status includes a non-destination node; If the node state is the non-destination node and the information of the current node does not exist in the enhanced path communication information, query whether there is a path to the destination node in the enhanced class routing table information; if not, update the enhanced path communication information and the enhanced class routing table information according to the information of the current node, and broadcast the service request message.

6. The method for self-organizing network communication based on soft bus in a power transmission line according to claim 4, characterized in that: The node status includes a non-destination node; If the node state is the non-destination node and the enhanced path communication information contains information about the current node, determine whether the link where the current node is located is independent of other node links; if not, close the data link corresponding to the current node and stop broadcasting.

7. A method for self-organizing network communication based on soft bus in a power transmission line according to claim 6, characterized in that: The determining whether the link where the current node is located is independent of other node links also includes: If they are independent of each other and there is a path to the destination node in the enhanced class routing table information, the enhanced path communication information and the enhanced class routing table information are updated according to the information of the current node, and a response is sent to the source node to stop broadcasting.

8. A self-organizing network communication device based on a soft bus in a power transmission line, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the processor implements the various steps of a self-organizing network communication method based on a soft bus in a power transmission line as described in any one of claims 1-7.

Images