A full-duplex cooperative scrambling secure transmission method based on optimal user selection of a direct path
A direct path, safe transmission technology, applied in the direction of transmission system, interference to communication, radio transmission system, etc.
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[0048] Such as figure 1 with figure 2 As shown, the present invention discloses a full-duplex cooperative scrambling secure transmission method based on the optimal user selection of a direct path, which is applied to a multi-user relay network, which includes a source node and a relay Nodes and multiple destination user nodes (sinks), all nodes are single antennas, and the relay node is a passive node, the destination user node adopts full-duplex working technology, and there is a direct path.
[0049] The entire secure transmission process of information is divided into two time slots to complete. In the first time slot, the source node sends information to the relay node and the destination user node, and at the same time selects a user with the largest signal-to-noise ratio from all destination user nodes The node is a legitimate user node, and the eavesdropping user node is the eavesdropping user node. Since the destination node is in full duplex mode, the legitimate user ...
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