Dual-mode Mesh networking method for power internet of things
A power Internet of Things and networking technology, applied in network topology, electrical components, network interconnection, etc.
Pending Publication Date: 2022-05-06
CHONGQING UNIV +1
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Problems solved by technology
HWMP (Hybrid Wireless Mesh Network Protocol) is the default routing protocol proposed by the IEEE802.11s wireless Mesh standard, which combines the characteristics of active and passive routing, but HWMP can only work in a wireless network environment
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[0040] The embodiment of the present invention will be explained in detail below in conjunction with the accompanying drawings. The examples given are only for the purpose of illustration, and cannot be interpreted as limiting the present invention. The accompanying drawings are only for reference and description, and do not constitute the scope of patent protection of the present invention. limitations, since many changes may be made in the invention without departing from the spirit and scope of the invention.
[0041] In order to improve the HWMP protocol and integrate the wired network into the current wireless Mesh network environment, so as to improve the transmission bandwidth and transmission stability of the Mesh network in the electric power Internet of Things, the embodiment of the present invention provides a dual-mode electric power Internet of Things Mesh networking methods, such as figure 1 shown, including steps:
[0042] S1. In the wireless Mesh network using...
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The invention relates to the technical field of electric power Internet of Things, and particularly discloses a dual-mode Mesh networking method for the electric power Internet of Things, which comprises the following steps: firstly, defining that an MWWP node is simultaneously connected with a wired Mesh network and a wireless Mesh network, and then packaging a protocol message, so that an HWMP routing protocol can be transmitted in the wired network. Then, through self-defining an MWWP wired information frame on a wired link between the MWWP nodes, a mapping relation table from the wireless MAC address of the opposite-end MWWP node to a local wired port is constructed; after the MWWP node receives the data to be forwarded, whether the data can be directly forwarded from the wired port is determined according to the bridging table, if not, whether the data can be sent from the wired port is further determined according to the routing table and the mapping relation table, and if not, the optimal forwarding path is selected to be sent from the wired port by calculating the evaluation quality value of each forwarding path. The wired link is selected to forward the data according to the actual load condition of the network, and the transmission bandwidth and the transmission stability of the Mesh network in the electric power Internet of Things are improved.
Description
technical field [0001] The invention relates to the technical field of electric power Internet of Things, in particular to a dual-mode Mesh networking method for electric power Internet of Things. Background technique [0002] In recent years, with the development and integration of power system and Internet of Things technology, a trusted power Internet of Things can be built by using various communication resources such as power communication networks, wired and wireless networks of public network operators, and the Internet. The common wired access methods of the power Internet of Things include power line carrier communication, optical fiber communication, etc., and the wireless access methods include micropower wireless technology, Bluetooth, Wi-Fi, ZigBee, UWB, etc. The transmission rate of optical fiber communication is high, but it has the disadvantages of poor flexibility and high cost. Power line carrier communication does not require infrastructure construction a...
Claims
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IPC IPC(8): H04W40/24H04W84/22H04L12/46H04W80/00
CPCH04W40/246H04W40/248H04W84/22H04L12/4633H04W80/00
Inventor 吴玉成陈锦山余盼龙祁琦龚庆明孙鑫黄心雨冯祉睿
Owner CHONGQING UNIV