Anti-blackout communication method based on carrier aggregation and frequency diversity
A frequency diversity and carrier aggregation technology, applied in signaling distribution, transmission path separation device, transmission path sub-channel distribution, etc., can solve the problems of changing the shape of the aircraft, difficult to implement, etc., to increase the bandwidth span and ease the communication distance. short effect
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[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, and the present invention includes but not limited to the following embodiments.
[0017] After the aircraft enters the atmosphere, the invention assists in the detection of the interruption state of the communication link through the detection of the state information such as the distance to the ground and the temperature of the shell. After the conventional communication link is interrupted, switch to the anti-black barrier communication system of the present invention, that is, the communication information is respectively modulated to subcarriers of different frequency bands through OFDM carrier aggregation technology, and these subcarriers are located in different frequency bands such as low frequency, intermediate frequency and high frequency. , the same transmission information is modulated on each subcarrier. The receiving end obtains multiple bac...
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