Method and device for controlling communication of wireless centralized meter reading network
A centralized meter reading and communication control technology, applied in the direction of data exchange network, signal transmission system, instrument, etc., can solve the problems of different service quality and inability to meet different types of meter reading data, etc., achieve small communication delay and ensure real-time performance and the effect of reliability on quality of service
Inactive Publication Date: 2015-12-30
STATE GRID CORP OF CHINA +1
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[0005] In order to solve the problem in the prior art that different types of meter reading data require different service qualities, the present invention proposes a communication control method and device for a wireless centralized meter reading network
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[0026] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
[0027] In order to solve the problem in the prior art that different types of meter reading data require different service qualities, the present invention proposes a communication control method for a wireless centralized meter reading network.
[0028] The main ideas of the present invention are: first, according to the QoS (quality of service) requirement of the meter reading data, by setting three priority buffer queues in the wireless centralized meter reading network multifunctional electric energy meter to store the periodic data, time-sensitive data and emergency data respectively Data, to realize the QoS function of data priority transmission in the multi-function electric energy meter; second, in the wireless ...
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The invention discloses a method and device for controlling communication of a wireless centralized meter reading network. The method includes the steps that different priorities are divided for communication data of multifunctional watt-hour meters according to the service quality requirements of the communication data; according to the order of the multifunctional watt-hour meters in the network, the multifunctional watt-hour meters with the to-be-transmitted data are sequentially divided to a busy queue list, and the multifunctional watt-hour meters without the to-be-transmitted data are divided to a free queue list; a centralized reading device sequentially queries the multifunctional watt-hour meters in the busy queue list and allocates channel use rights for the multifunctional watt-hour meters currently requiring a data transmission service; the multifunctional watt-hour meters currently requiring the data transmission service sequentially transmit the communication data in a descending priority order. By means of the method and device for controlling the communication of the wireless centralized meter reading network, the highest-level channel use right can be provided for the emergency communication data, and the real-time service quality and the reliable service quality of data information transmission of the wireless centralized meter reading network can be guaranteed.
Description
technical field [0001] The invention relates to the technical field of wireless centralized meter reading, in particular to a communication control method and device for a wireless centralized meter reading network. Background technique [0002] DL / T645 multi-function electric energy meter communication protocol is a physical connection and protocol provided to unify and standardize the data exchange between multi-function electric energy meters and data terminal equipment. Regardless of the physical communication method used, all multi-function electric energy meters This communication protocol is used for the underlying data transmission. [0003] When transmitting data in the wireless centralized meter reading network of electric energy meters, because the DL / T645 protocol has different periodicity, timeliness and urgency requirements for the corresponding communication data of the centralized meter reading device, there are three different priorities for the meter readin...
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Login to View More IPC IPC(8): G08C17/02H04L12/865H04L47/6275
Inventor 王伟吴庆刘柱周子冠
Owner STATE GRID CORP OF CHINA