Uplink and downlink time-sharing communication method based on a G3-PLC communication network
A technology of G3-PLC and network, which is applied in the direction of safety communication device, encryption device with shift register/memory, wired transmission system, etc. Problems such as system complexity and cost, to achieve the effect of reducing the probability of conflict, reducing complexity, and reducing costs
Active Publication Date: 2019-01-08
JIANGSU LINYANG ENERGY CO LTD
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[0004] The purpose of the present invention is to aim at the fact that the G3-PLC standard protocol framework in the prior art cannot support uplink and downlink communication at the same time. When the electric meter supports uplink and downlink communication, it is difficult to maintain and the communication quality is poor when integrating two G3-PLC communication modules at the same time. To solve the problem of increasing system complexity and cost by using two communication methods, a time-sharing communication method for uplink and downlink based on the G3-PLC communication network is proposed. Power line shunt coupling, with the help of the CSMA / CA mechanism in the G3-PLC MAC sublayer, and the introduction of the communication data priority division mechanism, AES 128 encryption mechanism and password authentication mechanism, complete the uplink and downlink based on the G3-PLC single communication network time-sharing communication method
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[0021] Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein.
[0022] A G3-PLC network-based uplink and downlink time-sharing communication method, including the G3-PLC protocol MAC sublayer protocol extension of the G3-PLC module in the electric meter, which means that the electric meter in the integrated G3-PLC module uses standard The G3-PLC protocol communicates with the concentrator, while the downlink communicates with the indoor terminal based on the G3-PLC standard MAC sublayer protocol, and the G3-PLC module of the indoor terminal is also based on the G3-PLC standard MAC sublayer.
[0023] The hardware of the G3-PLC PAN Device module in the ammeter adopts the uplink and downlink pow...
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The invention provides an uplink and downlink time-sharing communication method based on a G3-PLC communication network. In the G3-PLC network, module G3-PLC module for uplink and downlink communication is integrated in an electric meter, module G3-PLC module for uplink and downlink communication is integrated in an indoor terminal. The meter G3-PLC module in uplink communication with the concentrator using the standard G3-PLC protocol communication, in the downlink communication link with the indoor terminal G3-PLC module communication utilizes protocol communication based on a G3-PLC MAC sublayer. By checking the G3-PLC module software MAC sub-layer protocol extension and hardware up-down power line shunt coupling, with the help of G3-CSMA / CA mechanism in PLC MAC sublayer, and introducescommunication data priority partition mechanism, AES 128 encryption mechanism and password authentication mechanism. Uplink and downlink time-sharing communication method of PLC single communicationnetwork.
Description
technical field [0001] This patent relates to the technical field of power line carrier communication, especially a method for uplink and downlink time-sharing communication based on G3-PLC communication network. Background technique [0002] In the existing G3-PLC communication technology standard, two devices, PAN Coordinator and PAN Device, are defined. In the AMI (Advanced Metering Infrastructure) system, they are integrated into the concentrator device and the meter device respectively. Through the standard DLMS / COSEM protocol and G3-PLC protocol for networking and communication. However, in the application scenario where the meter is required to support access through indoor user terminals at the same time, and the meter needs to support both uplink and concentrator network communication and downlink one-to-one communication with indoor terminals, the G3-PLC standard protocol architecture cannot support it. , two G3-PLC communication modules need to be integrated in t...
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IPC IPC(8): H04B3/54H04B3/56H04L9/06H04L29/06
CPCH04B3/544H04B3/56H04L9/0631H04L63/0435H04L63/083
Inventor 魏华义尹建丰陈健龙葛海磊
Owner JIANGSU LINYANG ENERGY CO LTD