Meter reading method of broadband carrier network
A technology of broadband carrier and meter reading method, which is applied in the field of broadband carrier communication, can solve the problems of network service load fluctuation, poor data collection effect, poor matching, etc., achieve good channel resource guarantee, improve meter reading business communication performance, reduce Effects of Time Transmission Latency
Pending Publication Date: 2022-07-12
ZHUHAI ZHONGHUI MICROELECTRONICS
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However, after the meter reading service is triggered, since the status of each node is the same, the network often needs to collect the meter reading data of all nodes, which will cause a large fluctuation in the network business load in a short period of time; moreover, all slave nodes The destination nodes of the reported business data are all central nodes, which are prone to local congestion
Therefore, the CSMA-type channel access scheme has a poor match with the business model of the electricity consumption information collection network, which is dominated by meter reading. User needs
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[0034] The present invention will be described in detail below with reference to the accompanying drawings. When describing the embodiments of the present invention in detail, for the convenience of explanation, the drawings showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not be limited here. The scope of protection of the present invention. It should be noted that the accompanying drawings are in a simplified form and all use inaccurate scales, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention. Meanwhile, in the description of this application, the terms "first", "second", etc. are only used to distinguish the descriptions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated; the terms "" The orientation or positional rela...
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The invention discloses a meter reading method of a broadband carrier network. The method comprises the following steps: a CCO determines the time required for completing one downlink message transmission between the CCO and each target node and the time required for completing one uplink meter reading message transmission between each target node and the CCO; the CCO divides the superframe time slot structure and notifies the whole network; one superframe comprises a beacon time slot region, a TDMA time slot region and a CSMA time slot region, and the TDMA time slot region comprises a CCO time slot region allocated to the CCO and a target node time slot region allocated to each target node; the CCO sends a downlink meter reading message in the CCO time slot area allocated to the CCO in the TDMA time slot area; each target node sends an uplink meter reading message in the target node time slot area allocated to the target node; and the nodes still having meter reading service related message sending requirements compete for sending signals in the CSMA time slot area according to the CSMA channel access mode. According to the invention, the meter reading message transmission performance of the broadband carrier network is improved.
Description
technical field [0001] The invention belongs to the technical field of broadband carrier communication, and in particular relates to a meter reading method of a broadband carrier network. Background technique [0002] Meter reading is a unique business requirement of the electricity information collection system. The business process is: the central node sends a downlink meter reading message to the target node, and the content of the message indicates the business data-related parameters of this meter reading; After the meter reading message, each target node reports its corresponding upstream meter reading message to the central node according to the requirements of the message content; after receiving the upstream meter reading message from the target node, the central node sends and receives it to the target node. Acknowledgment message. According to the current communication protocols of the State Grid and the Southern Network, in addition to the beacon signal, other t...
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IPC IPC(8): H04Q9/00H04W72/04H04W74/08
CPCH04Q9/00H04W72/0446H04W74/08H04Q2209/60Y02D30/70
Inventor 谢映海李先怀李宏文胡泽鑫
Owner ZHUHAI ZHONGHUI MICROELECTRONICS
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