A terminal automatic registration method of lpwan Internet of things
An automatic registration and Internet of Things technology, which is applied in the field of low-power wide-area Internet of Things communication, can solve the problems of inflexible network search and long time-consuming full-frequency point random transmission method, so as to solve the problem of mutual interference and save power consumption , the effect of improving efficiency
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[0042] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0043] The method for terminal automatic network search of the present invention comprises the following steps:
[0044] Step 1) Assign frequency points to the ISM frequency band: Generally, the ISM frequency band has a bandwidth of several M to tens of M. For example, the 470M frequency band in China has a bandwidth of 40M (470M to 510M).
[0045] It is necessary to allocate the frequency points of each channel used by LPWAN in advance. For example, each channel of LoRaWAN125KHz channel occupies a bandwidth of 200KHz, and China's 470M frequency band can allocate 200 channels.
[0046] Step 2) Select a part of channels as default channels, and these default channels form a default channel group...
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