CN113795041B - Method for optimizing LBD node route based on network communication - Google Patents
Method for optimizing LBD node route based on network communication Download PDFInfo
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- CN113795041B CN113795041B CN202111210330.XA CN202111210330A CN113795041B CN 113795041 B CN113795041 B CN 113795041B CN 202111210330 A CN202111210330 A CN 202111210330A CN 113795041 B CN113795041 B CN 113795041B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004891 communication Methods 0.000 title claims abstract description 16
- 238000012005 ligant binding assay Methods 0.000 claims abstract description 24
- 230000004044 response Effects 0.000 claims abstract description 7
- 230000006855 networking Effects 0.000 abstract description 8
- 230000007246 mechanism Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010187 selection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method for optimizing LBD node routing based on network communication, and relates to the technical field of network communication. The network selecting method specifically comprises the following steps: s1: LBD sends a find neighbor LBA request; s2: the LBD selects the optimal LBA in the current network to access the network, and records and stores the information reaching the corresponding LBS; s3: LBD sends out BeaconReq command according to G3-PLC standard, collects LBA Beacon response, and is used for searching LBA of other network; s4: when LBAs of other networks exist, the LBD exits the LBS of the connecting network, applies to join in to find the LBA newly, and records and stores the information reaching the corresponding LBS; s5: repeating the steps of S3-S4 until all LBAs found are traversed; s6: and comparing the information of the LBD node reaching each LBS, and selecting the LBS of the optimal path. When facing a plurality of LBSs, the LBD node can be added into the LBS network with the optimal path, so that the path of the LBD node of the whole network is optimal, and the networking and communication efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of network communication, and particularly relates to a method for optimizing LBD node routing based on network communication.
Background
The network access flow of the device node of the G3-PLC is as follows: firstly, LBD (LoWPAN Bootstrapping Device) nodes send out a request for searching for a neighbor node LBA (LoWPAN Bootstrapping Agent) in the network, LBD selects an optimal LBA after receiving the response of the LBA, and then initiates a network access application from the LBA to LBS (LoWPAN Bootstrapping Server);
if there is only one LBS in the above-mentioned networking process, the current networking process mechanism naturally has no problem, but if there are two or more adjacent LBS, the problem of the working time sequence of each LBS and the sequential networking time sequence of the LBAs may cause that the LBAs selected by the LDB are not optimal paths;
accordingly, there is a need for improvements in the art to address the above-described problems.
Disclosure of Invention
The invention aims to provide a method for optimizing LBD node routing based on network communication, which can automatically select an optimal LBS in a plurality of LBSs to connect, and solves the problem that the network access flow of the device node of the existing G3-PLC can not select the optimal connection in the plurality of LBSs.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a method for optimizing LBD node route based on network communication, which comprises the following steps:
s1: LBD sends a find neighbor LBA request;
s2: the LBD selects the optimal LBA in the current network to access the network, and records and stores the information reaching the corresponding LBS;
s3: LBD sends out BeaconReq command according to G3-PLC standard, collects LBA Beacon response, and is used for searching LBA of other network;
s4: when LBAs of other networks exist, the LBD exits the LBS of the connecting network, applies to join in to find the LBA newly, and records and stores the information reaching the corresponding LBS;
s5: repeating the steps of S3-S4 until all LBAs found are traversed;
s6: comparing information of LBD nodes reaching each LBS, and selecting the LBS of the optimal path;
s7: after a period of random delay, returning to the step S1, the LBD automatically selects the LBS with the optimal arrival path.
Through the improvement, the LBD node automatically tries to join all LBS networks in a limited time, stores the relevant information in each LBS network, and finally selects an optimal network access path by comparing the relevant information reaching the LBS.
Further, the record stores information of reaching the corresponding LBS including a routing weight and a network ID.
Further, the information reaching the corresponding LBS is stored through flash.
Further, the arrival path information in S2 and S7 is read from the information stored in the flash.
Further, the steps of S1-S7 may be performed periodically.
Further, the LBD sequentially numbers newly found LBAs by +1 in the order of found LBAs, and the initial LBA number is 0.
The invention has the following beneficial effects: when a plurality of LBSs exist, the invention ensures that the LBD node can be added into the LBS network with the optimal path, thereby optimizing the LBD node route of the whole network and improving the networking and communication efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, the present invention is a method for optimizing LBD node routing based on network communication, and the network selection method specifically includes the following steps:
s1: LBD sends a find neighbor LBA request;
s2: the LBD selects the optimal LBA in the current network to enter the network, records and stores the information reaching the corresponding LBS, wherein the information kept by the record comprises the routing weight and the network ID, and other network related information can be kept, and the information is read and stored in the flash;
s3: LBD sends out BeaconReq command according to G3-PLC standard, collects LBA Beacon response, and is used for searching LBA of other network;
s4: when LBAs of other networks exist, the LBD exits the LBS of the connecting network, applies to join in to find the LBA newly, records and stores information reaching the corresponding LBS, and stores the information in a flash;
s5: repeating the steps of S3-S4 until all LBAs found are traversed, wherein LBD numbers newly found LBAs in sequence of finding +1, and the initial LBA number is 0 (and i in FIG. 1, n in the drawing refers to the total number of LBAs found);
s6: comparing information of LBD nodes reaching each LBS, and selecting the LBS of the optimal path;
s7: after a period of random delay, returning to the step S1, the LBD automatically selects the LBS with the optimal arrival path.
It should be noted that, in the actual use process, in order to ensure the reliability of the network selection mechanism, the steps S1-S7 may be periodically performed so as to discover the newly added LBA in time, and the method is not limited to the G3-PLC, and is also suitable for other technologies and application scenarios with similar technical defects.
The automatic network selection method described above will be described in more detail with reference to specific embodiments below: after the LBD is electrified, initializing the maximum time for executing the G3-PLC adjacent station node network selection mechanism; reading related information such as routes of each LBS stored in the flash, and selecting an optimal LBS to initiate a network access application; LBD sends out BeaconReq command according to G3-PLC standard, collects LBA Beacon response; traversing the LBA Beacon response list, applying for networking through LBA of LBS in sequence, and storing information such as LBD route which is successful in networking at present into flash after networking; after waiting for the maximum time of the G3-PLC adjacent station node network selection mechanism to be overtime, selecting an optimal LBS application to access the network by comparing the route information of each LBS stored in the flash.
Finally, the english abbreviations or techniques of the present invention are used for their corresponding explanation, so as to facilitate a more thorough understanding of the present invention;
LBA, proxy node that has been networked;
LBD, nodes not networked;
LBS, central point of network (concentrator or network station);
a storage block of a flash and a network node;
G3-PLC standard refers to one standard of a smart grid;
BeaconReq, an instruction for judging whether a network exists on a channel;
LBA Beacon, a block for replying to BeaconReq.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present invention.
Claims (6)
1. A method for optimizing LBD node routing based on network communication, characterized by: the network selecting method specifically comprises the following steps:
s1: LBD sends a find neighbor LBA request;
s2: the LBD selects the optimal LBA in the current network to access the network, and records and stores the information reaching the corresponding LBS;
s3: LBD sends out BeaconReq command according to G3-PLC standard, collects LBA Beacon response, and is used for searching LBA of other network;
s4: when LBAs of other networks exist, the LBD exits the LBS of the connecting network, applies to join in to find the LBA newly, and records and stores the information reaching the corresponding LBS;
s5: repeating the steps of S3-S4 until all LBAs found are traversed;
s6: comparing information of LBD nodes reaching each LBS, and selecting the LBS of the optimal path;
s7: after a period of random delay, returning to the step S1, the LBD automatically selects the LBS with the optimal arrival path.
2. The method for optimizing LBD node routing based on network communication of claim 1, wherein the record keeping information reaching the corresponding LBS comprises a routing weight and a network ID.
3. The method for optimizing LBD node routing based on network communication of claim 2, wherein the information arriving at the corresponding LBS is saved by flash.
4. A method of optimizing LBD node routing based on network communication according to claim 3, wherein the arrival path information in S2 and S7 is read from flash stored information.
5. A method of optimizing LBD node routing based on network communication according to claim 3, wherein the steps of S1-S7 are performed periodically.
6. The method of optimizing LBD node routing based on network traffic of claim 1, wherein LBD sequentially numbers newly discovered LBAs in discovery order by +1 and the original LBA number is 0.
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