CN114845349A - Communication method and system for wireless mesh network ad hoc network - Google Patents
Communication method and system for wireless mesh network ad hoc network Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/246—Connectivity information discovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The present application relates to the field of communications technologies, and in particular, to a communication method and system for a wireless mesh network ad hoc network. A communication method for ad hoc network of a wireless mesh network, comprising the steps of: acquiring networking information of network nodes after networking, wherein the network nodes comprise a main node and at least two auxiliary nodes, and the networking information comprises physical links among all the network nodes; formulating broadcast routing information for remote control signal transmission based on the networking information, wherein the broadcast routing information comprises signal transmission paths from the main node to all secondary nodes, and each secondary node only receives the remote control signal once; transmitting, by the master node, the remote control signal to all slave nodes based on the broadcast routing information. The communication method and the communication system of the wireless mesh network ad hoc network enable the remote control signals to be transmitted between the network nodes efficiently.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a communication method and system for a wireless mesh network ad hoc network.
Background
The wireless Ad hoc network, i.e. the 'mesh network', is a wireless broadband access technology based on an IP protocol, integrates the advantages of WLAN and Ad hoc network, supports the multipoint-to-multipoint mesh structure, has the functional advantages of Ad hoc network, self-repairing, multi-strip cascade, node self-management and the like, can be applied to mobile broadband, wireless positioning and the like, is a network with large capacity, high speed and wide coverage range, and becomes an effective means for broadband access.
The wireless ad hoc network technology is a new wireless network technology completely different from the traditional wireless network, in the traditional WLAN, each client accesses the network through a wireless link connected with an access point AP, and users must first access a fixed AP if the users want to communicate with each other, and the network structure is called a single-hop network. In a wireless ad hoc network, any wireless device node can simultaneously act as a router, each node in the network can send and receive signals, and each node can directly communicate with one or more nodes.
In view of the above-mentioned related technologies, the inventor believes that after each network node in a wireless ad hoc network is networked, when one of the network nodes receives remote control signals of multiple network nodes at the same time, information collision may occur, which causes broadcast storm and flooding effect, resulting in reduction of transmission efficiency of the remote control signals.
Disclosure of Invention
In order to enable the remote control signals to be transmitted between network nodes efficiently, the application provides a communication method and a communication system of a wireless mesh network ad hoc network.
In a first aspect, the present application provides a communication method for a wireless mesh network ad hoc network, which adopts the following technical scheme:
a communication method for ad hoc network of a wireless mesh network, comprising the steps of:
acquiring networking information of network nodes after networking, wherein the network nodes comprise a main node and at least two auxiliary nodes, and the networking information comprises physical links among all the network nodes;
formulating broadcast routing information for remote control signal transmission based on the networking information, wherein the broadcast routing information comprises signal transmission paths from the main node to all secondary nodes, and each secondary node only receives the remote control signal once;
transmitting, by the master node, the remote control signal to all of the secondary nodes based on the broadcast routing information.
By adopting the technical scheme, the physical links of all network nodes after networking are obtained, the broadcast routing information transmitted by the remote control signals is formulated according to the physical links, the remote control signals are transmitted to all the auxiliary nodes through the main node according to the broadcast routing information, and each auxiliary node only receives the remote control signal once in a time frame period, so that the transmission efficiency of the remote control signals among the network nodes is improved.
Optionally, the formulating broadcast routing information for remote control signal transmission based on the networking information includes:
obtaining topology tables of all network nodes according to the networking information;
setting forwarding time frame information and receiving time frame information of each network node in the same period according to a preset remote control signal transmission rule, so that each network node receives the remote control signal once in the same period;
and obtaining broadcast routing information according to the topology table, the forwarding time frame information and the receiving time frame information.
By adopting the technical scheme, the forwarding time frame information and the receiving time frame information of each network node in the same period are set according to the preset remote control signal transmission rule, and each network node only receives the remote control signal once in the process of transmitting the remote control signal according to the forwarding time frame information and the receiving time frame information, so that the broadcast storm and signal flooding phenomena are reduced.
Optionally, the setting of the forwarding time frame information and the receiving time frame information of each network node in the same period according to the preset remote control signal transmission rule includes the following steps:
determining the main node as a source node and all the auxiliary nodes as Nth-level nodes according to a topology table, wherein N is an integer greater than or equal to 1;
determining that a receiving time frame of the source node is an original time frame and a receiving time frame corresponding to each secondary node is an Nth frame, wherein the original frame and the Nth frame are in the same period;
obtaining receiving time frame information of the remote control signal according to the receiving time frames of the source node and each secondary node;
acquiring node information of the source node and each secondary node;
and obtaining the forwarding time frames of the source node and each secondary node according to the node information to obtain the forwarding time frame information.
By adopting the technical scheme, the source node and the Nth-level node of the network node are determined, the corresponding receiving time frame and the forwarding time frame are set according to the node position of the network node, and the receiving time frame information and the forwarding time frame information are obtained, so that the remote control signal can be transmitted more efficiently and regularly.
Optionally, the node information includes routing status data, and obtaining forwarding time frames of the source node and each secondary node according to the node information, where obtaining the forwarding time frame information includes the following steps:
acquiring routing state data of the source node and each secondary node;
obtaining the routing states of the source node and the secondary node according to the routing state data;
and obtaining the forwarding time frame information of the source node and each secondary node according to the routing state.
By adopting the technical scheme, the routing state of the network nodes can be judged according to the routing state data of each network node, and the forwarding time frame information of the source node and each secondary node in the process of transmitting the remote control signal can be obtained according to the routing state of the network nodes.
Optionally, the transmitting the remote control signal to all the secondary nodes through the primary node based on the broadcast routing information includes the following steps:
obtaining the forwarding time frame information according to the broadcast routing information;
according to the forwarding time frame information, the remote control signal is sent to the secondary node through the primary node;
judging whether one N + 1-level auxiliary node is simultaneously connected with two N-level auxiliary nodes or not according to the forwarding time frame information;
if yes, analyzing the routing states of the two N-level auxiliary nodes to obtain an analysis result, and forwarding the remote control information according to the analysis result;
and if not, the N-level auxiliary node forwards the remote control information according to the forwarding time frame information.
Optionally, the analyzing the routing states of the two N-level secondary nodes to obtain an analysis result, and forwarding the remote control information according to the analysis result includes the following steps:
analyzing the corresponding routing state as the analysis result according to the routing state data of the two N-level auxiliary nodes;
selecting the secondary node with the routing state as a target node according to the analysis result;
and the target node forwards the remote control information based on the forwarding time frame information.
In a second aspect, the present application further provides a communication system of a wireless mesh network ad hoc network, which adopts the following technical solution:
a communication system for ad hoc networking of wireless mesh networks, comprising:
the network node comprises a main node and at least two auxiliary nodes, wherein the networking information comprises physical links among all the network nodes;
the processing module is used for formulating broadcast routing information transmitted by remote control signals based on the networking information, the broadcast routing information comprises signal transmission paths from the main node to all the secondary nodes, and each secondary node only receives the remote control signals once;
a transmission module for transmitting the remote control signal to all secondary nodes through the primary node based on the broadcast routing information.
By adopting the technical scheme, the acquisition module acquires the physical links of all network nodes after networking, the broadcast routing information transmitted by the remote control signal is formulated through the processing module according to the physical links, finally the main node transmits the remote control signal to all the auxiliary nodes through the transmission module according to the broadcast routing information, and each auxiliary node only receives the remote control signal once in a time frame period, so that the transmission efficiency of the remote control signal among the network nodes is improved.
Optionally, the processing module includes:
the acquisition unit is used for acquiring the routing state data of the source node and each secondary node;
the analysis unit is used for analyzing the routing states of the source node and the secondary node according to the routing state data;
and the output unit is used for obtaining the forwarding time frame information of the source node and each secondary node according to the routing state.
By adopting the technical scheme, the acquisition unit acquires the routing state data of the source node and each secondary node, the analysis unit analyzes the acquired state data, and finally the output unit outputs the corresponding analysis result.
In a third aspect, the present application provides a terminal device, which adopts the following technical solution:
a terminal device comprising a memory, a processor and a computer program stored in the memory and capable of running on the processor, the processor when loading and executing the computer program employs a method of wireless ad hoc network as described above.
By adopting the technical scheme, the computer program is generated by the wireless ad hoc network method and stored in the memory so as to be loaded and executed by the processor, so that the terminal equipment is manufactured according to the memory and the processor, and the use is convenient.
In a fourth aspect, the present application provides a computer-readable storage medium, which adopts the following technical solutions:
a computer-readable storage medium having stored thereon a computer program which, when loaded and executed by a processor, employs a method of wireless ad hoc networking as described above.
By adopting the technical scheme, the computer program is generated by the wireless ad hoc network method and is stored in the computer readable storage medium to be loaded and executed by the processor, and the computer program can be conveniently read and stored through the computer readable storage medium.
Drawings
Fig. 1 is a schematic overall flow chart of a communication method of a wireless mesh network ad hoc network according to the present invention.
Fig. 2 is a flowchart illustrating steps S201 to S203 in a communication method of a wireless mesh network ad hoc network according to the present application.
Fig. 3 is a topology diagram of network nodes in a communication method of a wireless mesh network ad hoc network according to the present application.
Fig. 4 is a transmission state diagram of a network node in the communication method of the ad hoc network of the wireless mesh network according to the present invention.
Fig. 5 is a receiving state diagram of a network node in a communication method of a wireless mesh network ad hoc network according to the present invention.
Fig. 6 is a broadcast routing information diagram of a network node in a communication method of a wireless mesh network ad hoc network according to the present application.
Fig. 7 is a flowchart illustrating steps S301 to S305 in a communication method of a wireless mesh network ad hoc network according to the present application.
Fig. 8 is a flowchart illustrating steps S401 to S403 in a communication method of a wireless mesh network ad hoc network according to the present application.
Fig. 9 is a flowchart illustrating steps S501 to S503 in a communication method of a wireless mesh network ad hoc network according to the present application.
Fig. 10 is a flowchart illustrating steps S601-S602 in a communication method of a wireless mesh network ad hoc network according to the present application.
Fig. 11 is a block diagram of a communication system of an ad hoc network of a wireless mesh network according to the present invention.
Description of reference numerals:
1. an acquisition module; 2. a processing module; 21. a collection unit; 22. an analysis unit; 23. an output unit; 3. and a transmission module.
Detailed Description
The present application is described in further detail below with reference to figures 1-11.
The embodiment of the application discloses a communication method of a wireless mesh network ad hoc network, which refers to fig. 1 and comprises the following steps:
s101, acquiring networking information of a network node after networking, wherein the network node comprises a main node and at least two auxiliary nodes, and the networking information comprises physical links among all the network nodes;
s102, establishing broadcast routing information for remote control signal transmission based on networking information, wherein the broadcast routing information comprises signal transmission paths from a main node to all secondary nodes, and each secondary node only receives a remote control signal once;
and S103, transmitting the remote control signal to all the secondary nodes through the main node based on the broadcast routing information.
Specifically, after the network nodes in step S101 are networked, a certain physical link is formed according to the connection between the primary node and the secondary node, and the remote control signal is transmitted to each secondary node through the primary node according to the certain physical link.
Specifically, in step S102, network nodes in the transmission process of the remote control signal are specially selected through broadcasting the routing information, so that each network node receives the remote control signal only once in one period, thereby controlling the cost of message flooding to be the lowest level, any network node only selects a part of neighboring nodes as its relay node, only the selected relay node can forward the remote control signal, and other neighboring nodes only process the received remote control signal and do not forward the remote control signal.
Specifically, in step S103, the master node transmits the remote control signals to all the slave nodes according to the broadcast routing information, the broadcast routing information defines transmission paths of the remote control signals between the master node and the slave nodes, and the remote control signals are forwarded according to the transmission paths defined by the broadcast routing information during transmission to all the slave nodes through the master node.
As shown in fig. 2, step S102 includes the following steps:
s201, obtaining topology tables of all network nodes according to networking information;
s202, according to a preset remote control signal transmission rule, setting forwarding time frame information and receiving time frame information of each network node in the same period, so that each network node receives a remote control signal once in the same period;
and S203, obtaining the broadcast routing information according to the topology table, the forwarding time frame information and the receiving time frame information.
More specifically, in step S201, in this embodiment, 9 network nodes 1 to 9 are set in the topology table, the node number 1 is set as the master node, and the other node numbers are set as the slave nodes, the topology table specifies the details of transmitting and receiving the remote control signal between each adjacent network node, the node 1 transmits the remote control signal and receives the node 7 and the node 9, the node 2 transmits the remote control signal and receives the nodes 4, 5, 6, 7, and 9, the node 3 transmits the remote control signal and receives the node 4 transmits the remote control signal and receives the nodes 2, 3, and 9, the node 5 transmits the remote control signal and receives the nodes 2, 7, and 8, the node 6 transmits the remote control signal and receives the node 2, the node 7 transmits the remote control signal and receives the nodes 1, 2, and 5, the node 8 transmits the remote control signal and receives the node 5, the node 9 transmits the remote control signal and the nodes 1, 2, 9, 4 receiving. The specific situation is shown in fig. 3.
More specifically, in step S202, in this embodiment, the remote control signal is in a period of 4 time frames, the forwarding time frame information indicates that the remote control signal is forwarded to a network node in a certain time frame, the receiving time frame information indicates that the remote control signal is received to a network node in a certain time frame, and a time frame includes a forwarding time frame and a receiving time frame. In the first forwarding time frame, the node 1 forwards the remote control information, in the second forwarding time frame, the node 7 forwards the remote control information, in the third forwarding time frame, the nodes 2 and 5 forwards the remote control information, and in the second forwarding time frame, the node 4 forwards the remote control information; since each network node receives the remote control signal only once in a cycle, in the first reception time frame, the nodes 1, 7, 9 are in the reception state, but only the nodes 7, 9 receive the remote control signal, in the second reception time frame, the nodes 1, 2, 5 receive the state, but only the nodes 2, 5 receive the remote control signal, in the third reception time frame, the nodes 2, 4, 5, 6, 7, 8, 9 receive the remote control signal, but only the nodes 4, 6, 8 receive the remote control signal, and in the fourth reception time frame, the node 4 receives the remote control signal, but only the node 3 receives the remote control signal. As shown in particular in fig. 4 and 5.
More specifically, in step S203, in the present embodiment, broadcast routing information of each network node is obtained based on the topology table, the forwarding time frame information, and the receiving time frame information. The node 1 transmits a remote control signal in a first time frame, the broadcast hop count transmitted by the received remote control signal is 0, the node 2 transmits a remote control signal in a third time frame, the broadcast hop count transmitted by the received remote control signal is 2, the node 3 does not transmit a remote control signal, the node 4 transmits a remote control signal in a fourth time frame, the broadcast hop count transmitted by the received remote control signal is 3, the node 5 transmits a remote control signal in a third time frame, the broadcast hop count transmitted by the received remote control signal is 2, the node 6 does not transmit a remote control signal, the node 7 transmits a remote control signal in a second time frame, the broadcast hop count transmitted by the received remote control signal is 1, the node 8 does not transmit a remote control signal, and the node 9 does not transmit a remote control signal. As shown in particular in fig. 6.
As shown in fig. 7, step S202 includes the following steps:
s301, determining a main node as a source node and all auxiliary nodes as Nth-level nodes according to a topology table, wherein N is an integer greater than or equal to 1;
s302, determining a receiving time frame of a source node as an original time frame and a receiving time frame corresponding to each secondary node as an Nth frame, wherein the original frame and the Nth frame are in the same period;
s303, obtaining receiving time frame information of the remote control signal according to the receiving time frames of the source node and each secondary node;
s304, acquiring node information of the source node and each secondary node;
s305, obtaining the forwarding time frames of the source node and each secondary node according to the node information, and obtaining the forwarding time frame information.
More specifically, in step S301, in this embodiment, in the first forwarding time frame, the primary node 1 forwards the remote control signal, the primary node 1 is the source node, and N is equal to 1, in the second forwarding time frame, the secondary node 7 forwards the remote control signal, the secondary node 7 is the second-level node, and N is equal to 2, in the third forwarding time frame, the secondary nodes 2 and 5 forwards the remote control signal, the secondary nodes 2 and 5 are third-level nodes, and N is equal to 3, in the fourth forwarding time frame, the secondary node 4 forwards the remote control signal, the secondary node 4 is the fourth-level node, and N is equal to 4.
More specifically, in step S302, in the present embodiment, starting with the primary node, the hop count at which each secondary node receives remote control information is a time frame at which the secondary node receives remote control information. Therefore, the number of hops at which the master node 1 receives the remote control information is 0, and therefore, the master node is an original time frame, the number of hops at which the slave nodes 7 and 9 receive the remote control information is 1, and therefore, the master node is a first frame, the number of hops at which the slave nodes 2 and 5 receive the remote control information is 2, and therefore, the slave node is a second frame, the number of hops at which the slave nodes 4, 6, and 8 receive the remote control information is 3, and therefore, the slave node is a third frame, and the number of hops at which the slave node 3 receives the remote control information is 4, and therefore, the slave node is a fourth frame.
More specifically, in step S303, in this embodiment, the time frame received by the secondary nodes 7 and 9 is the first frame, so the secondary nodes 7 and 9 receive the remote control signal in the first time frame, the time frame received by the secondary nodes 2 and 5 is the second frame, so the secondary nodes 7 and 9 receive the remote control signal in the second time frame, the time frame received by the secondary nodes 4, 6 and 8 is the third frame, so the secondary nodes 4, 6 and 8 receive the remote control signal in the third time frame, and the time frame received by the secondary node 3 is the fourth frame, so the secondary node 3 receives the remote control signal in the fourth time frame.
More specifically, in step S304-step S305, in the present embodiment, the master node 1 forwards the remote control signal in the first time frame, the slave node 7 forwards the remote control signal in the second time frame, the slave nodes 2 and 5 forwards the remote control signal in the third time frame, the slave node 4 forwards the remote control signal in the fourth time frame, and the slave nodes 3, 6, 8 and 9 do not forward the remote control signal, so there is no corresponding forwarding time frame information.
As shown in fig. 8, step S305 includes the following steps:
s401, acquiring routing state data of a source node and each secondary node;
s402, obtaining the routing states of the source node and the secondary node according to the routing state data;
and S403, obtaining the forwarding time frame information of the source node and each secondary node according to the routing state.
More specifically, in this embodiment, the routing state data of each network node is obtained, the routing state of the network node is analyzed according to the routing state data, if the network node has a routing state, the network node may receive the processing remote control signal and may forward the remote control signal to other neighboring nodes, if the network node has no routing state, the network node only receives the processing remote control signal and does not forward the remote control signal, and the corresponding forwarding time frame information is obtained according to the forwarding time frame and the routing state of each network node.
As shown in fig. 9, step S103 includes the following steps:
s501, obtaining forwarding time frame information according to the broadcast routing information;
s502, according to the forwarding time frame information, the remote control signal is sent to the secondary node through the primary node;
s503, judging whether one N + 1 level secondary node is simultaneously connected with two N level secondary nodes or not according to the forwarding time frame information;
s504, if yes, analyzing the routing states of the two N-level auxiliary nodes to obtain an analysis result, and forwarding remote control information according to the analysis result;
and S505, if not, the N-level auxiliary node forwards the remote control information according to the forwarding time frame information.
More specifically, in step S501 to step S505, in the first time frame, the master node 1 transfers the remote control signal to the slave nodes 7 and 9, the slave nodes 7 and 9 receive and process the remote control signal, in the second time frame, the slave nodes 7 and 9 are simultaneously connected to the slave node 2, the routing states of the slave nodes 7 and 9 are analyzed to obtain an analysis result, the slave node 7 transfers the remote control signal to the slave nodes 2 and 5 according to the analysis result, and in the third time frame, the slave nodes 2 and 5 are not simultaneously connected to the next-stage slave node, so that the slave node 5 transfers the remote control signal to the slave node 8, and the slave node 2 transfers the remote control signal to the slave nodes 4 and 6.
As shown in fig. 10, step S504 includes the following steps:
s601, analyzing corresponding routing states as analysis results according to the routing state data of the two N-level auxiliary nodes;
s602, selecting a secondary node with a routing state as a target node according to an analysis result;
s603, the target node forwards the remote control information based on the forwarding time frame information.
More specifically, in step S601 to step S603, in the present embodiment, in the second time frame, the secondary node 7 has a routing status and the secondary node 9 has no routing status, so the secondary node 7 is selected as the target node, the secondary node 7 receives the processing and transmits the remote control signal to the secondary nodes 2 and 5, and the secondary node 9 receives only the processing remote control signal and does not transmit the remote control signal.
The implementation principle of the communication method of the wireless mesh network ad hoc network in the embodiment of the application is as follows: the method comprises the steps of obtaining networking information of each network node after networking, obtaining a topology table of all network nodes according to the networking information, setting a forwarding time frame and a receiving time frame of each network node within one period according to a preset remote control signal transmission rule, obtaining a receiving time frame of a remote control signal according to the receiving time frame of each network node, obtaining forwarding time frame information of each network node according to the forwarding time frame and a network state of each network node, receiving the remote control signal once by each secondary node within one time frame period, obtaining broadcast routing information transmitted by the remote control signal by combining the topology table, the forwarding time frame information and the receiving time frame information, and transmitting the remote control signal by the network nodes according to the broadcast routing information. The communication method and the communication system of the wireless mesh network ad hoc network enable the remote control signals to be transmitted between network nodes efficiently.
The embodiment of the present application discloses a communication system of a wireless mesh network ad hoc network, referring to fig. 11, including: the remote control system comprises an acquisition module 1, a processing module 2 and a transmission module 3, wherein the acquisition module 1 is used for acquiring networking information of a network node after networking, the network node comprises a main node and at least two auxiliary nodes, the networking information comprises physical links between all the network nodes, the processing module 2 is used for formulating broadcast routing information transmitted by remote control signals based on the networking information, the broadcast routing information comprises signal transmission paths from the main node to all the auxiliary nodes, each auxiliary node only receives the remote control signals once, and the transmission module 3 is used for transmitting the remote control signals to all the auxiliary nodes through the main node based on the broadcast routing information; the acquisition module 1 is connected with the processing module 2, networking information of the acquired network nodes is transmitted to the processing module 2 through the acquisition module 1, the processing module 2 formulates broadcast routing information corresponding to transmission remote control signals according to the networking information of the network nodes, the processing module 2 is connected with the transmission module 3, and the transmission module 3 transmits the remote control signals according to the broadcast routing information generated by the processing module 2.
Specifically, in this embodiment, the wireless Ad hoc network, i.e. the mesh network, is a wireless broadband access technology based on the IP protocol, which integrates the advantages of the WLAN and the Ad hoc network, supports the multipoint-to-multipoint mesh structure, is a large-capacity, high-rate, wide-coverage network, and becomes an effective means for broadband access. In a wireless ad hoc network, each network node can send and receive signals, each network node can directly communicate with one or more network nodes, remote control signals can be sent to each secondary node through a main node in the wireless network, physical links among the network nodes are network connections among the network nodes, and the physical links among the network nodes in the ad hoc network are acquired through an acquisition module 1.
As shown in fig. 11, the processing module 2 includes a collecting unit 21, an analyzing unit 22 and an output unit 23, where the collecting unit 21 is configured to obtain routing state data of the source node and each of the secondary nodes, the analyzing unit 22 is configured to analyze routing states of the source node and the secondary nodes according to the routing state data, and the output unit 23 is configured to obtain forwarding time frame information of the source node and each of the secondary nodes according to the routing states; the acquisition unit 21 is connected with the analysis unit 22, the acquisition unit 21 sends the acquired routing state data of the source node and each secondary node to the analysis unit 22, the analysis unit 22 is connected with the output unit 23, the routing state data of the source node and the secondary node are analyzed through the analysis unit 22 to generate corresponding analysis results, and the corresponding analysis results are output through the output unit 23.
More specifically, in this embodiment, the acquisition unit 21 acquires the routing state data of each network node, and the analysis unit 22 analyzes the routing state of the network node according to the routing state data, if the network node has a routing state, the network node may receive and process the remote control signal and may forward the remote control signal to another adjacent node, if the network node has no routing state, the network node only receives and processes the remote control signal and does not forward the remote control signal, and obtains corresponding forwarding time frame information according to the forwarding time frame and the routing state of each network node, and outputs a corresponding analysis result through the output unit 23.
More specifically, in this embodiment, in the first time frame, the primary node 1 forwards the remote control signal to the secondary nodes 7 and 9, the secondary nodes 7 and 9 receive and process the remote control signal, in the second time frame, the secondary nodes 7 and 9 are simultaneously connected to the secondary node 2, the collection unit 21 obtains the routing state data of the secondary nodes 7 and 9, the analysis unit 22 analyzes the routing state data of the secondary nodes 7 and 9, the secondary node 7 has a routing state, and the secondary node 9 has no routing state, so as to obtain an analysis result of the routing states of the secondary nodes 7 and 9, and the output unit 23 outputs a corresponding analysis result.
More specifically, in this embodiment, in the first time frame, the primary node 1 forwards the remote control signal to the secondary nodes 7 and 9 through the transmission unit, and the secondary nodes 7 and 9 receive and process the remote control signal, and in the second time frame, the secondary node 7 has a routing state, and the secondary node 9 has no routing state, and selects the secondary node 7 as a target node according to the analysis result, and the secondary node 7 receives and processes and forwards the remote control signal to the secondary nodes 2 and 5 through the transmission unit, and the secondary node 9 only receives and processes the remote control signal, and does not forward the remote control signal.
The implementation principle of the communication system of the wireless mesh network ad hoc network in the embodiment of the application is as follows: the networking information of each network node after networking is obtained through the acquisition module 1, the topology table of all network nodes is obtained according to the networking information, the forwarding time frame and the receiving time frame of each network node in one period are set according to the preset remote control signal transmission rule, the receiving time frame of a remote control signal is obtained according to the receiving time frame of each network node, the forwarding time frame information of each network node is obtained according to the forwarding time frame and the network state of each network node, each secondary node only receives the remote control signal once in one time frame period, the broadcast routing information of the remote control signal transmission is formulated through the processing module 2 by combining the topology table, the forwarding time frame information and the receiving time frame information, the network nodes transmit the remote control signal according to the broadcast routing information, the routing state data of each network node is acquired through the acquisition unit 21, and the routing state data of each network node is analyzed through the analysis unit 22, and outputs the analysis result through the output unit 23, and all network nodes transmit the remote control signal through the transmission module 3 according to the analysis result. The communication method and the communication system of the wireless mesh network ad hoc network enable the remote control signals to be transmitted between network nodes efficiently.
The embodiment of the present application further discloses a terminal device, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, wherein when the processor executes the computer program, the communication method of the wireless ad hoc network in the above embodiments is adopted.
The terminal device may adopt a computer device such as a desktop computer, a notebook computer, or a cloud server, and the terminal device includes but is not limited to a processor and a memory, for example, the terminal device may further include an input/output device, a network access device, a bus, and the like.
The processor may be a Central Processing Unit (CPU), and of course, according to an actual use situation, other general processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like may also be used, and the general processor may be a microprocessor or any conventional processor, and the present application does not limit the present invention.
The memory may be an internal storage unit of the terminal device, for example, a hard disk or a memory of the terminal device, or an external storage device of the terminal device, for example, a plug-in hard disk, a Smart Memory Card (SMC), a secure digital card (SD) or a flash memory card (FC) equipped on the terminal device, and the memory may also be a combination of the internal storage unit of the terminal device and the external storage device, and the memory is used for storing a computer program and other programs and data required by the terminal device, and the memory may also be used for temporarily storing data that has been output or will be output, which is not limited in this application.
The terminal device stores the communication method of the wireless ad hoc network in the embodiment in a memory of the terminal device, and the communication method is loaded and executed on a processor of the terminal device, so that the terminal device is convenient to use.
The embodiment of the application also discloses a computer readable storage medium, and the computer readable storage medium stores a computer program, wherein when the computer program is executed by a processor, the communication method of the wireless ad hoc network in the above embodiments is adopted.
The computer program may be stored in a computer readable medium, the computer program includes computer program code, the computer program code may be in a source code form, an object code form, an executable file or some intermediate form, and the like, the computer readable medium includes any entity or device capable of carrying the computer program code, a recording medium, a usb disk, a removable hard disk, a magnetic disk, an optical disk, a computer memory, a Read Only Memory (ROM), a Random Access Memory (RAM), an electrical carrier signal, a telecommunication signal, a software distribution medium, and the like, and the computer readable medium includes but is not limited to the above components.
The communication method of the wireless ad hoc network in the above embodiments is stored in the computer-readable storage medium through the computer-readable storage medium, and is loaded and executed on the processor, so as to facilitate the storage and application of the method.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A method of communicating in a wireless mesh network ad hoc network, comprising the steps of:
acquiring networking information of network nodes after networking, wherein the network nodes comprise a main node and at least two auxiliary nodes, and the networking information comprises physical links among all the network nodes;
formulating broadcast routing information for remote control signal transmission based on the networking information, wherein the broadcast routing information comprises signal transmission paths from the main node to all the secondary nodes, and each secondary node only receives the remote control signal once;
transmitting, by the master node, the remote control signal to all of the secondary nodes based on the broadcast routing information.
2. The method of claim 1, wherein said formulating broadcast routing information for remote control signal transmission based on said networking information comprises the steps of:
obtaining topology tables of all network nodes according to the networking information;
setting forwarding time frame information and receiving time frame information of each network node in the same period according to a preset remote control signal transmission rule, so that each network node receives the remote control signal once in the same period;
and obtaining broadcast routing information according to the topology table, the forwarding time frame information and the receiving time frame information.
3. The communication method of a wireless mesh network ad hoc network according to claim 2, wherein said setting of forwarding time frame information and receiving time frame information of each network node in the same period according to a preset remote control signal transmission rule comprises the steps of:
determining the main node as a source node and all auxiliary nodes as Nth-level nodes according to the topology table, wherein N is an integer greater than or equal to 1;
determining that a receiving time frame of the source node is an original time frame and a receiving time frame corresponding to each secondary node is an Nth frame, wherein the original frame and the Nth frame are in the same period;
obtaining the receiving time frame information of the remote control signal according to the receiving time frames of the source node and each secondary node;
acquiring node information of the source node and each secondary node;
and obtaining the forwarding time frames of the source node and each secondary node according to the node information to obtain the forwarding time frame information.
4. The method as claimed in claim 3, wherein said node information includes routing status data, and said obtaining forwarding time frames of said source node and each secondary node according to said node information comprises the following steps:
acquiring routing state data of the source node and each secondary node;
analyzing the routing states of the source node and the secondary node according to the routing state data;
and obtaining the forwarding time frame information of the source node and each secondary node according to the routing state.
5. The method of claim 4, wherein said transmitting said remote control signal to all secondary nodes via said primary node based on said broadcast routing information comprises the steps of:
obtaining the forwarding time frame information according to the broadcast routing information;
according to the forwarding time frame information, the remote control signal is sent to the secondary node through the main node;
judging whether one N + 1-level auxiliary node is simultaneously connected with two N-level auxiliary nodes or not according to the forwarding time frame information;
if yes, analyzing the routing states of the two N-level auxiliary nodes to obtain an analysis result, and forwarding the remote control information according to the analysis result;
and if not, the N-level auxiliary node forwards the remote control information according to the forwarding time frame information.
6. The method as claimed in claim 5, wherein said analyzing the routing status of two said N-level secondary nodes to obtain an analysis result, and forwarding said remote control information according to said analysis result comprises the steps of:
analyzing the corresponding routing state as the analysis result according to the routing state data of the two N-level auxiliary nodes;
selecting the secondary node with the routing state as a target node according to the analysis result;
and the target node forwards the remote control information based on the forwarding time frame information.
7. A communication system for ad hoc networking of wireless mesh networks, comprising:
the network node comprises an acquisition module (1), wherein the acquisition module (1) is used for acquiring networking information of network nodes after networking, the network nodes comprise a main node and at least two auxiliary nodes, and the networking information comprises physical links among all the network nodes;
the processing module (2), the processing module (2) is configured to formulate broadcast routing information for remote control signal transmission based on the networking information, the broadcast routing information includes signal transmission paths from the master node to all the secondary nodes, and each secondary node receives the remote control signal only once;
a transmission module (3), the transmission module (3) being configured to transmit the remote control signal to all secondary nodes through the primary node based on the broadcast routing information.
8. A communication system for wireless mesh network ad hoc networks according to claim 7, wherein said processing module (2) comprises:
the acquisition unit (21) is used for acquiring the routing state data of the source node and each secondary node;
an analyzing unit (22), wherein the analyzing unit (22) is used for analyzing the routing states of the source node and the secondary node according to the routing state data;
and the output unit (23), the output unit (23) is used for obtaining the forwarding time frame information of the source node and each secondary node according to the routing state.
9. A terminal device comprising a memory, a processor and a computer program stored in the memory and being executable on the processor, characterized in that the method of any of claims 1-6 is used when the computer program is loaded and executed by the processor.
10. A computer-readable storage medium, in which a computer program is stored, which, when loaded and executed by a processor, carries out the method of any one of claims 1-6.
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