The invention discloses a communication method for guiding landing assisting of a helicopter based on grading fountain codes. The communication method specifically comprises the following steps of 1, after a ground guide person selects a proper landing airport, firstly, fixing four beacons at four corners of a landing mark H, starting the four beacons, and waiting the helicopter; 2, enabling the helicopter to carry a receiving end, and searching an ultraviolet signal which is broadcast and sent by a sending end; 3, enabling a pilot to complete the aligning of the helicopter and the beacons according to the display of the received light intensity indication lamp array; 4, enabling the pilot to finely adjust the gesture of the helicopter in real time according to the information displayed on a liquid crystal screen, so as to complete the safety landing of the helicopter. The communication method has the advantages that by combining the communication strategies for landing assisting of the helicopters with ULC-LT (unequal leveling code - Luby transform) codes in different stages, the decoding success rate of the takeoff and landing assisting communication is improved, the false bit rate is reduced, the reliable communication under the condition of high channel packet loss rate is guaranteed, and the searching, positioning and landing efficiency and safety of the helicopter are improved.
Communication method for guiding landing assisting of helicopter based on grading fountain codes
2015-07-29
Patent
Electronic Resource
English
IPC: | B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT |
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