Full duplex scrambling transmission method in untrusted relay network
A technology of relay network and transmission method, which is applied to scramble the transmission of untrusted relays at the end. In the field of full-duplex scrambling transmission in untrusted relay networks, it can solve the problem that the system security capacity will not be too large. Problems such as improvement, inability to obtain system security capacity, impact on system security performance, etc.
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[0033] see figure 1As shown, a full-duplex scrambling transmission method in an untrusted relay network is applied in a wireless communication system including three nodes of a source S, a relay R and a destination D, where the relay is an untrusted Relay, the working protocol is the amplification and forwarding protocol. If the relay uses the decoding and forwarding method for transmission, the relay receives more accurate decoding information before the destination, and cannot obtain positive security capacity. Therefore, untrusted relays usually use amplification. Forward relay. When the relay is an untrusted relay, the relay is eavesdropping on the source information while receiving useful information from the source. Therefore, the present invention uses a method of sending artificial noise at the destination end to interfere with relay wiretapping. The destination is configured with two antennas and works in full-duplex mode, and the transceiver antenna is fixed, and t...
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