LoRa communication method based on multipath technology
A communication method and technology, applied in the field of Internet of Things communication, can solve the problems of limitation, high efficiency, low power consumption, etc., and achieve the effect of avoiding communication conflicts
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[0025] In order to make the above objects, features and advantages of the present application more obvious and understandable, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0026] The LoRa communication protocol of time division / frequency division multiplexing technology is a distributed multi-cluster architecture. The distributed multi-cluster architecture is composed of cluster head nodes and cluster nodes within the monitoring range.
[0027] In a distributed multi-cluster architecture, the following communication rules are followed:
[0028] 1. The frequency used in the commonly used 433MHz frequency band is 433~434MHz, which is divided into 3 channels: 433.175MHz, 433.375MHz, and 433.575MHz. The cluster head nodes with close distances set different receiving frequency points and use these three channels alternately to reduce the signal collision in t...
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