AIS navigation mark and communication method based on private channel
A dedicated channel and buoy technology, applied in the field of ship communication, can solve the problems of reduced number of ships, hidden dangers of communication safety, low safety of buoy telemetry and remote control data, etc., and achieve the effect of increasing the packet rate and avoiding mutual interference
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Embodiment 1
[0087] Such as figure 1 As shown, an AIS navigation mark based on a dedicated channel includes a main control module and an AIS wireless transceiver module, the AIS wireless transceiver module is connected with the main control module, and the AIS wireless transceiver module includes a receiver for receiving AIS navigation aid information Channel, the third receiving channel 4 for receiving AIS navigation mark telemetry remote control data and the transmission channel 5 for transmitting AIS navigation aid navigation information and AIS navigation mark telemetry remote control data, the receiving frequency of the third receiving channel 4 and the receiving channel receiving frequency different.
[0088] The receiving channel includes a first receiving channel 2 and a second receiving channel 3, and the AIS wireless transceiver module also includes a modem unit 6, and the modem unit 6 transmits the AIS navigation aid information and the AIS aid to aid telemetry produced by the ...
Embodiment 2
[0107] A communication method based on the AIS navigation mark of dedicated channel, comprising the following steps:
[0108] Timing processing steps are executed cyclically with the preset time as the cycle:
[0109] Step 1. Determine whether there is data in the GPS data cache, if so, read the GPS data and perform UTC time synchronization and enter the next step; otherwise, enter the next step;
[0110] Step 2. Determine whether the second of UTC time reaches 0 seconds, if so, enter the next step after clearing the time slot; otherwise, enter the next step;
[0111] Step 3, judging whether the time slot increase period has been reached, if so, enter the next step after increasing the time slot by 1; otherwise, enter the next step;
[0112] Step 4. Collect the current value of the navigation light and save it;
[0113] Step 5. Judging whether the number of current collection times required for light quality analysis has been reached, if so, perform light quality analysis an...
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