CN115314504A - Data transmission method and firmware upgrading method - Google Patents
Data transmission method and firmware upgrading method Download PDFInfo
- Publication number
- CN115314504A CN115314504A CN202210945861.1A CN202210945861A CN115314504A CN 115314504 A CN115314504 A CN 115314504A CN 202210945861 A CN202210945861 A CN 202210945861A CN 115314504 A CN115314504 A CN 115314504A
- Authority
- CN
- China
- Prior art keywords
- node
- nodes
- data packet
- data transmission
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
- H04L67/1078—Resource delivery mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1087—Peer-to-peer [P2P] networks using cross-functional networking aspects
- H04L67/1089—Hierarchical topologies
Abstract
The invention relates to the technical field of data transmission, in particular to a data transmission method and a firmware upgrading method, wherein the data transmission method comprises the following steps: s100, analyzing the line weight between other nodes and a central node according to the communication success rate between adjacent nodes; the line weight is inversely related to the communication success rate; the nodes comprise a central node and other nodes; s200, screening other nodes with the line weight larger than the preset weight between the other nodes and the central node as nodes to be transmitted; s300, transmitting the data packet from the central node to the node to be transmitted in a point-to-point mode; s400, transmitting the data packet from the node which has received the data packet to the node which has not received the data packet in a broadcasting mode. By adopting the scheme, the global optimal mode and the local optimal mode are fully combined, the data transmission efficiency is improved, the data reception of each node in the whole topological structure can be quickly completed under the condition that the network topological structure is complex, and the communication efficiency among the nodes is effectively improved.
Description
Technical Field
The present invention relates to the field of data transmission technologies, and in particular, to a data transmission method and a firmware upgrade method.
Background
The network topology refers to a physical layout for interconnecting various devices by using a transmission medium, and generally includes a central node and a plurality of other nodes. With the continuous development of the internet, the network scale is continuously enlarged, and the complexity of the network is continuously increased. Under the trend, how to complete the data reception of each node in the whole topological structure in the network topological structure with numerous nodes and complex lines becomes a big problem.
In the prior art, a point-to-point route forwarding mode is usually adopted for alternate upgrading, although the success rate is high, under the conditions of a large number of nodes and a complex topological structure, because each node needs to complete the transmission of data packets to its own child node one by one in sequence, the problems of long time consumption and high network efficiency waste rate exist; in addition, in the prior art, a distributed file distribution mechanism is used for transmitting data packets, a flooding method is often adopted for broadcast upgrading in the method, and compared with a point-to-point data transmission method, the method can enable data to quickly reach nodes with good communication, but collision and interference caused by flooding are large, so that most of nodes with good communication links are transmitted, and the whole network upgrading can be completed only by waiting for the nodes with the worst communication to complete transmission; when the collision and the interference are too large, some important data packets can not reach the most needed place, so that the whole network upgrading can not be carried out.
Therefore, it can be seen that in the existing network topology, the communication efficiency between nodes is low, for example: in the field of power line carriers, the communication efficiency of the nodes in the transformer area is low, so that the upgrading efficiency of firmware in the transformer area is low, and therefore, it is urgently needed to provide a data transmission method which can improve the data transmission efficiency, so that the communication efficiency of the nodes is improved, and under the condition that the network topology is complex, the data reception of each node in the whole topology can be rapidly completed.
Disclosure of Invention
The invention provides a data transmission method and a firmware upgrading method, which can improve the data transmission efficiency, thereby improving the communication efficiency of nodes, and can quickly complete the data reception of each node in the whole topological structure under the condition that the network topological structure is complex.
The invention provides a first basic scheme:
a data transmission method, comprising the steps of:
s100, analyzing line weights between other nodes and a central node according to the communication success rate between adjacent nodes, wherein the nodes comprise the central node and other nodes; the line weight is inversely related to the communication success rate;
s200, screening other nodes with the line weight larger than the preset weight between the other nodes and the central node as nodes to be transmitted;
s300, transmitting the data packet from the central node to the node to be transmitted in a point-to-point mode;
s400, transmitting the data packet from the node which has received the data packet to the node which has not received the data packet in a broadcasting mode.
The beneficial effects of the first basic scheme are as follows: and analyzing the line weights between other nodes and the central node according to the communication success rate between the adjacent nodes, wherein the line weights are negatively related to the communication success rate, namely the greater the line weights between the other nodes and the central node are, the more difficult the central node transmits data to the other nodes.
According to the scheme, data transmission in the whole topological structure is divided into two stages, in the first stage, the data packet is transmitted to other nodes (to-be-transmitted nodes) with larger line weight between the data packet and the central node from the central node, and compared with the method for transmitting data by adopting flooding, the method can avoid collision and interference caused by flooding, so that the data receiving efficiency of the nodes with data receiving difficulty is improved, and therefore the nodes with data transmission difficulty can complete data receiving first. In the first stage of data transmission, the central node needs to transmit the data packet to the node to be transmitted in a point-to-point manner, and each node on the transmission path of the central node can receive the data packet without fail, thereby laying a foundation for the second stage of data transmission. And at the second stage of data transmission, transmitting the data packet from the node which has received the data packet to the node which does not receive the data packet in a broadcasting mode, thereby realizing the data reception of each node in the whole topological structure. Since the first stage has completed the data transmission of the nodes with higher line weight, and the number of the nodes between the nodes with higher line weight and the central node is often larger, it is beneficial to perform further data transmission through these nodes.
The data transmission of the nodes with data receiving difficulty is completed in the first stage, so that the situation that the nodes on the links with data transmission difficulty cannot receive the data packet later and the time for completing the data packet receiving of the whole topological structure is delayed is avoided; in addition, in the data transmission process of the first stage, a foundation is laid for the broadcasting of the data packet, the number of nodes capable of broadcasting the data packet at the same time is increased, and therefore the time for completing the data packet receiving of each node in the whole topological structure is effectively shortened.
In conclusion, by adopting the scheme, the global optimum mode and the local optimum mode are fully combined, the data transmission efficiency is improved, the data reception of each node in the whole topological structure can be rapidly completed under the condition that the network topological structure is complex, and the communication efficiency among the nodes is effectively improved. For example, in the field of power line carriers, the communication efficiency between the nodes of the transformer area is improved, so that the firmware upgrading efficiency of the transformer area is improved, and the firmware upgrading of the whole transformer area can be quickly completed under the condition of complex structure of the transformer area.
Further, S100 includes:
s101, acquiring transmission paths between other nodes and a central node;
and S102, analyzing the line weight between other nodes and the central node according to the communication success rate between the transmission path and the adjacent nodes.
Has the beneficial effects that: according to the transmission paths between other nodes and the central node, and in combination with the communication success rate between each adjacent node on the transmission path, the line weight between other nodes and the central node is analyzed, so that the difficulty degree of each node in receiving the data transmitted by the central node can be analyzed.
Further, S300 includes:
s301, transmitting a data packet from a central node to a node to be transmitted step by step, wherein the data packet comprises a feedback instruction;
s302, after receiving the data packet, the node sends a feedback signal to a father node of the node;
s303, judging whether the father node successfully receives the feedback signal; if not, executing S304;
s304, the father node retransmits the data packet.
Has the advantages that: in the transmission process of the data packet, the child node sends a feedback signal to the father node, so that the father node can analyze whether the child node successfully receives the data packet according to the feedback signal, and retransmits the data packet when the child node does not successfully receive the feedback signal, thereby ensuring that the node on the transmission path successfully receives the data packet.
Further, S300 further includes:
s305, acquiring a network topological structure, and adjusting the communication success rate between adjacent nodes according to the network topological structure;
and S100, analyzing the line weight between other nodes and the central node according to the adjusted communication success rate between the adjacent nodes.
Has the beneficial effects that: in the data packet transmission process, each node has a condition of disconnection, or the topological structure of the networking is changed due to the change of routing selection, so that in the scheme, the network topological structure is obtained, the communication success rate between adjacent nodes is adjusted according to the network topological structure, the communication success rate is updated along with the change of the network topological structure, and the adjustment and the update of the line weight are facilitated when the topological structure is changed due to the change of the node, so that all the nodes with the line weight larger than the weight threshold value can receive the data packet even if the network topological structure is changed.
Further, in S303, it is determined whether the parent node successfully receives the feedback signal; if not, S305 is executed.
Has the advantages that: when the father node does not successfully receive the feedback signal, the data transmission between the father node and the son node is abnormal, so that the network topological structure is obtained at the moment.
Further, in S400, the node that has received the packet sends the packet to its child node.
Has the advantages that: the nodes which have received the data packets send the data packets to the child nodes in a broadcasting mode, and in the process, the nodes around the nodes can receive the data packets, so that the bandwidth can be utilized to the maximum extent, and the transmission efficiency is improved.
Further, S400 includes:
s401, the node which does not receive the data packet sends a request signal to a father node of the node;
s402, the father node receives the request signal and judges whether a data packet is received; if yes, executing S403; if not, executing S404;
s403, broadcasting the data packet;
s404, the father node continues to send a request signal to the father node until a node receives a data packet; and broadcasting the data packets by each node from top to bottom in sequence.
Has the advantages that: by means of sending request signals to the father nodes by the child nodes, the corresponding father nodes broadcast data packets, and compared with the method of directly enabling the nodes which have received the data packets to broadcast the data packets, the method and the system for broadcasting the data packets have the advantages that power consumption is lower, and due to the fact that the number of the nodes which send the broadcasts is reduced, collision and interference in the data transmission process are effectively reduced.
Further, in S300, the point-to-point method includes using a time division multiple access technique.
Has the beneficial effects that: the time division multiple access technology is adopted, the transmission rate is high, the self-adaptive equalization is realized, and the interference among cells is small.
Further, in S400, the broadcasting includes using a carrier sense multiple access technology.
Has the advantages that: and by adopting a carrier monitoring multiple access technology, data collision in a network can be effectively avoided.
The invention provides a second basic scheme:
a firmware upgrading method uses the data transmission method to transmit firmware data, and carries out firmware upgrading after the transmission of the firmware data is completed.
The second basic scheme has the beneficial effects that: and analyzing the line weights between other nodes and the central node according to the communication success rate between the adjacent nodes, wherein the line weights are negatively related to the communication success rate, namely the greater the line weights between the other nodes and the central node are, the more difficult the central node transmits data to the other nodes.
According to the scheme, data transmission in the whole topological structure is divided into two stages, in the first stage, the data packet is transmitted from the central node to other nodes (to-be-transmitted nodes) with large line weight with the central node, and therefore the nodes with data transmission difficulty complete data reception first. In the first stage of data transmission, the central node needs to transmit the data packet to the node to be transmitted in a point-to-point manner, and each node on the transmission path of the central node can receive the data packet without fail, thereby laying a foundation for the second stage of data transmission. And at the second stage of data transmission, transmitting the data packet from the node which has received the data packet to the node which does not receive the data packet in a broadcasting mode, thereby realizing the data reception of each node in the whole topological structure.
The data transmission of the nodes with data receiving difficulty is completed in the first stage, so that the situation that the nodes on the links with data transmission difficulty cannot receive the data packet later and the time for completing the data packet receiving of the whole topological structure is delayed is avoided; in addition, in the data transmission process of the first stage, a foundation is laid for the broadcasting of the data packet, the number of nodes capable of broadcasting the data packet at the same time is increased, and therefore the time for completing the data packet receiving of each node in the whole topological structure is effectively shortened.
In conclusion, by adopting the scheme, the global optimum mode and the local optimum mode are fully combined, the data transmission efficiency is improved, the data reception of each node in the whole topological structure can be rapidly completed under the condition that the network topological structure is complex, and the communication efficiency among the nodes is effectively improved. For example, in the field of power line carriers, the communication efficiency between the nodes of the transformer area is improved, so that the firmware upgrading efficiency of the transformer area is improved, and the firmware upgrading of the whole transformer area can be quickly completed under the condition of complex structure of the transformer area.
Drawings
Fig. 1 is a flow chart of a data transmission method according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a network topology structure in a data transmission method according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of time division multiple access time slot allocation in a data transmission method according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of allocation of carrier sense multiple access timeslots in a data transmission method according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a data link layer service architecture in a data transmission method according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of data transmission in a point-to-point manner in a data transmission method according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of data transmission in a broadcast manner in a data transmission method according to an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
example 1:
a data transmission method, as shown in fig. 1, comprising the steps of:
s100, analyzing line weights between other nodes and a central node according to the communication success rate between adjacent nodes, wherein the nodes comprise the central node and other nodes; the line weight is negatively related to the communication success rate, that is, the greater the line weight between the other nodes and the central node is, the more difficult the central node is to transmit data to the other nodes. S100 includes:
s101, acquiring transmission paths between other nodes and a central node;
and S102, analyzing the line weight between other nodes and the central node according to the communication success rate between the transmission path and the adjacent nodes. In this embodiment:
W(i,j)＝1-SUC(i,j)；
wherein, i, j is the serial number of the node, namely the identifier of the terminal equipment; w (i, j) represents a line weight between node i and node j; SUC (i, j) represents the communication success rate between node i and node j.
When a transmission path between two nodes is not direct but needs to be forwarded through an intermediate node, for example, node x forwards between node i and node j, W (i, j) = W (i, x) + W (x, j); since the route has uplink and downlink, the WT (i, j) = W (i, j) + W (j, i) is total, and thus the WT (i, j) = WT (j, i) is known. If node x is intermediate node i and node j, it can be expanded to WT (i, j) = WT (j, i) = W (i, x) + W (x, j) + W (x, i) + W (j, x).
S200, screening other nodes with the line weight larger than the preset weight between the other nodes and the central node as nodes to be transmitted;
s300, transmitting the data packet from the central node to the node to be transmitted in a point-to-point mode; in this embodiment, a time division multiple access technology is used, so-called point-to-point is not a single point-to-single point but is still transmitted in a broadcast manner, and all surrounding nodes can receive a data packet, but the broadcast is an addressed broadcast, that is, a destination address is included in the data packet, and a node of the destination address needs to reply whether it receives the data packet, so that in the data transmission process of the first stage, nodes around a data link can also receive a part of the data packet, thereby improving the data transmission efficiency. S300 comprises the following steps:
s301, transmitting a data packet from a central node to a node to be transmitted step by step, wherein the data packet comprises a feedback instruction;
s302, after receiving the data packet, the node sends a feedback signal to a father node of the node; when a plurality of father nodes exist in the node, a feedback signal is sent to the father node sending the data packet, and the father nodes in S303 and S304 are the same;
s303, judging whether the father node successfully receives the feedback signal; if not, executing S304 and S305; if yes, executing S400;
s304, retransmitting the data packet by the father node;
s305, acquiring a network topological structure, and adjusting the communication success rate between adjacent nodes according to the network topological structure;
therefore, the data transmission of the nodes with data receiving difficulty is completed, and the condition that the nodes on the links with data transmission difficulty cannot receive the data packet later and the time for completing the data packet reception of the whole topological structure is delayed is avoided; in addition, in the data transmission process of the first stage, a foundation is laid for the broadcasting of the data packets, and the number of nodes capable of simultaneously broadcasting the data packets is increased, so that the time for completing the data packet receiving of each node in the whole topological structure is effectively shortened.
And S100, analyzing the line weight between other nodes and the central node according to the adjusted communication success rate between the adjacent nodes.
S400, transmitting the data packet from the node that has received the data packet to the node that has not received the data packet in a broadcast manner, in this embodiment, a carrier sense multiple access technique is used. Specifically, a node that has received a packet sends the packet to its child node. S400 includes:
s401, the node which does not receive the data packet sends a request signal to a father node of the node; when a plurality of father nodes exist in the node, the node sends feedback signals to all the father nodes, and the father nodes in S402 and S404 are in the same way;
s402, the father node receives the request signal and judges whether a data packet is received; if yes, executing S403; if not, executing S404;
s403, broadcasting the data packet;
s404, the father node continues to send a request signal to the father node until a node receives a data packet; and broadcasting the data packets by each node from top to bottom in sequence.
Therefore, data transmission in the second stage is completed, the scheme is adopted, so that the global optimum mode and the local optimum mode are fully combined, the data transmission efficiency is improved, under the condition that the network topological structure is complex, data receiving of all nodes in the whole topological structure can be rapidly completed, and the communication efficiency among the nodes is effectively improved. For example, in the field of power line carriers, the communication efficiency between the nodes of the transformer area is improved, so that the firmware upgrading efficiency of the transformer area is improved, and the firmware upgrading of the whole transformer area can be quickly completed under the condition of complex structure of the transformer area.
Here, firmware upgrade of a broadband carrier communication network topology is exemplified as follows: (in this embodiment, the other nodes include a relay node and an end node)
As shown in fig. 2, the topology structure of the broadband carrier communication network is a tree network that takes a central node (represented as CCO in the figure) as a center, takes a relay node (represented as PCO in the figure, including a smart meter or I-type collector communication unit, and a broadband carrier II-type collector) as a relay agent, and connects all end nodes (represented as STA in the figure, including a smart meter or I-type collector communication unit, and a broadband carrier II-type collector) in a multi-level association.
The following model assumes that the firmware upgrade should be at the APPLICATION level from the software hierarchy as shown in fig. 5, and then assumes that the complete packet is initially stored on the central node and that all nodes in the network (including the relay and end nodes) do not have any portion of the packet. After networking is completed, the time consumed from the beginning of transmitting the data packet by the central node to the end of the last node owning the whole complete data packet is the whole data transmission time. It is assumed that the whole data packet is divided into N blocks, and each block can be placed in an information protocol data unit without fragment for transmission.
The method comprises the following specific steps:
acquiring transmission paths between other nodes (including a relay node and an end node) and a central node; and analyzing the line weight between other nodes and the central node according to the communication success rate between the transmission path and the adjacent nodes. As shown in fig. 2, the communication success rate SUC (0, 2) =0.8 from the central node CCO to the end node STA2, and then the line weight W (0, 2) =1-0.8=0.2 between the central node CCO and the end node STA 2.
Screening other nodes, the weight of which is greater than the preset weight, of the line between the screened node and the central node as nodes to be transmitted, wherein in the embodiment, the preset weight is 0.4; and transmitting the data packet from the central node to the node to be transmitted by adopting a time division multiple access technology. As shown in fig. 3, in the data transmission stage, sometimes a tdma time slot exists, a data packet including a feedback instruction is sent from the central node to the child node in its own tdma time slot step by step, that is, the data packet needs to be replied by the designated child node, thereby ensuring that the node on the transmission path successfully receives the data packet. In the process, if the father node does not receive the feedback signal replied by the child node, the data packet is retransmitted, the network topology structure is obtained again, and the communication success rate between the nodes is updated according to the new network topology structure, so that all the nodes with the line weight between the nodes and the center node larger than the weight threshold value are ensured to obtain the data packet.
As shown in fig. 6, the central node CCO has an example of a 3-block packet, and block0 is transmitted to the end node STA whose line with the central node is weighted more than the weight threshold in the first stage, and the path is broadcasted, but not all STAs can successfully acquire the data of block 0. At this time, the data transmission of the first stage is completed, all nodes with data transmission difficulty and nodes on the transmission path thereof have received the data packet, and at this time, some nearby nodes on the transmission path also receive part of the file blocks in the data packet.
As shown in fig. 7, the tdma technique adopted in the first transmission stage is cancelled, and the carrier sense multiple access technique is adopted to complete the data transmission of the remaining nodes, as shown in fig. 4, the data transmission is performed in a local broadcast manner, specifically, the node that does not receive the data packet sends a request signal to its parent node; the father node receives the request signal and judges whether a data packet is received or not; if yes, broadcasting the data packet; if not, the father node continues to send the request signal to the father node until some nodes receive the data packet. And selective broadcasting is adopted in the process of obtaining the reply, so that surrounding nodes can receive the data packet, the bandwidth can be utilized to the maximum extent, and the transmission efficiency is improved. So far, the data transmission of the second stage is finished.
By adopting the scheme, the global optimum and local optimum modes are fully combined, the data transmission efficiency is improved, the data reception of each node in the whole topological structure can be rapidly completed under the condition that the network topological structure is complex, and the communication efficiency among the nodes is effectively improved. For example, in the field of power line carriers, the communication efficiency between the nodes of the transformer area is improved, so that the firmware upgrading efficiency of the transformer area is improved, and the firmware upgrading of the whole transformer area can be quickly completed under the condition of complex structure of the transformer area.
A firmware upgrading method uses the data transmission method to transmit firmware data, and carries out firmware upgrading after the transmission of the firmware data is completed.
The foregoing are embodiments of the present invention and are not intended to limit the scope of the invention to the particular forms or details of the structures, methods and materials described herein, which are presently known or later come to be known to those of ordinary skill in the art, such that the present invention may be practiced without departing from the spirit and scope of the appended claims. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A method of data transmission, characterized by: the method comprises the following steps:
s100, analyzing line weights between other nodes and a central node according to the communication success rate between adjacent nodes, wherein the nodes comprise the central node and other nodes; the line weight is inversely related to the communication success rate;
s200, screening other nodes with the line weight larger than the preset weight between the other nodes and the central node as nodes to be transmitted;
s300, transmitting the data packet from the central node to the node to be transmitted in a point-to-point mode;
s400, transmitting the data packet from the node which has received the data packet to the node which has not received the data packet in a broadcasting mode.
2. The data transmission method according to claim 1, characterized in that: s100 includes:
s101, acquiring transmission paths between other nodes and a central node;
and S102, analyzing the line weight between other nodes and the central node according to the communication success rate between the transmission path and the adjacent nodes.
3. The data transmission method according to claim 2, characterized in that: s300 comprises the following steps:
s301, transmitting a data packet from a central node to a node to be transmitted step by step, wherein the data packet comprises a feedback instruction;
s302, after receiving the data packet, the node sends a feedback signal to a father node of the node;
s303, judging whether the father node successfully receives the feedback signal; if not, executing S304;
s304, the father node retransmits the data packet.
4. The data transmission method according to claim 3, characterized in that: s300 further includes:
s305, acquiring a network topological structure, and adjusting the communication success rate between adjacent nodes according to the network topological structure;
and S100, analyzing the line weight between other nodes and the central node according to the adjusted communication success rate between the adjacent nodes.
5. The data transmission method according to claim 4, characterized in that: in S303, it is determined whether the parent node successfully receives the feedback signal; if not, S305 is executed.
6. The data transmission method according to claim 1, characterized in that: in S400, the node that has received the data packet transmits the data packet to its child node.
7. The data transmission method according to claim 1, characterized in that: s400 includes:
s401, the node which does not receive the data packet sends a request signal to a father node of the node;
s402, the father node receives the request signal and judges whether a data packet is received; if yes, executing S403; if not, executing S404;
s403, broadcasting the data packet;
s404, the father node continues to send a request signal to the father node until a node receives a data packet; and broadcasting the data packets by each node from top to bottom in sequence.
8. The data transmission method according to claim 1, characterized in that: in S300, the point-to-point method includes using a time division multiple access technique.
9. The data transmission method according to claim 1, characterized in that: in S400, the broadcasting includes using a carrier sense multiple access technique.
10. A firmware upgrade method, characterized by: the data transmission method of any one of claims 1 to 9 is used for firmware data transmission, and firmware upgrading is carried out after the firmware data transmission is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210945861.1A CN115314504A (en) | 2022-08-08 | 2022-08-08 | Data transmission method and firmware upgrading method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210945861.1A CN115314504A (en) | 2022-08-08 | 2022-08-08 | Data transmission method and firmware upgrading method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115314504A true CN115314504A (en) | 2022-11-08 |
Family
ID=83860772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210945861.1A Pending CN115314504A (en) | 2022-08-08 | 2022-08-08 | Data transmission method and firmware upgrading method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115314504A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115988358B (en) * | 2023-03-22 | 2023-05-23 | 广东电网有限责任公司东莞供电局 | Meter reading method and device, ammeter and storage medium |
-
2022
- 2022-08-08 CN CN202210945861.1A patent/CN115314504A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115988358B (en) * | 2023-03-22 | 2023-05-23 | 广东电网有限责任公司东莞供电局 | Meter reading method and device, ammeter and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2718599C (en) | Integrated wireless distribution and mesh backhaul networks | |
| CN102457935B (en) | Centralized path notification | |
| US6757263B1 (en) | Wireless repeating subscriber units | |
| US6694141B1 (en) | Channel selection in a radio link system | |
| US7729260B2 (en) | Cost determination in a multihop network | |
| US9979626B2 (en) | Establishing a mesh network with wired and wireless links | |
| JP4779130B2 (en) | Robust wireless communication using broadband access points | |
| CN102763378B (en) | Set up and there is wired and mesh network that is wireless link | |
| Fu et al. | Spatial reuse in IEEE 802.16 based wireless mesh networks | |
| CN106059624B (en) | Multi-frequency ad hoc network suitable for power line carrier communication system and communication method | |
| US20070291663A1 (en) | Method and apparatus for scale-free topology generation in relay based wireless networks | |
| CN101146263B (en) | System and method for reutilizing wireless resource in wireless network | |
| CN101485150A (en) | Transmission of success and failure indications (ACK_BITMAP) in relay networks | |
| CN104124995A (en) | Communication system used for power line communication and device thereof | |
| CN101282569A (en) | Self-adaption management method for wireless transmission network containing base station and wireless relay station | |
| US9226190B2 (en) | Radio station, routing method and radio communication system | |
| CN100406900C (en) | Methods and apparatus for uplink macro-diversity in packet-switched cellular networks | |
| CN115314504A (en) | Data transmission method and firmware upgrading method | |
| EP1610503B1 (en) | Controlling routing operations in communication networks | |
| EP2034669A1 (en) | Method for determining the distance between a route and a node of a possible parallel route for data transmission | |
| CN101287270B (en) | Method and apparatus for service transmission | |
| CN115665777A (en) | Subnet fusion method of directed ad hoc network | |
| US9144007B2 (en) | Wireless infrastructure access network and method for communication on such network | |
| JPH10108252A (en) | Self adaptive-type intercommunication protocol between fixed radio stations of cellular telephone network | |
| JP2006157637A (en) | Radio communication method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |