Implementation method for shortwave-based fast link establishing system
An implementation method, short-wave technology, applied in the field of communication, can solve the problems of frequency diversity combination and low success rate of link establishment, etc., and achieve the effect of improving access efficiency and success rate
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[0035] In order to better understand the technical solutions proposed by the present invention, the present invention will be further described below in conjunction with the drawings and specific embodiments.
[0036] Step S1:
[0037] Before a user initiates a link establishment request, the frequency (frequency band or frequency set) must first be obtained. For shortwave users, the frequency management system allocates the working frequency band and writes it to the UIM card (user identity module, similar to the SIM card of a mobile phone). The frequency band is divided into Day frequency band, night frequency band. Under normal circumstances, the day frequency band is switched to 6 o'clock in the morning, and the night frequency band is switched to 6 o'clock in the evening. The switching time is configurable, and the switching time varies slightly according to different seasons.
[0038] In addition to allocating the working frequency band, the shortwave frequency selection contr...
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