Power distribution method for full-duplex multi-carrier safety system based on QoS requirements
A safety system, full-duplex technology, applied in the direction of duplex signal operation, advanced technology, climate sustainability, etc., to achieve the effect of reducing power waste, high efficiency utilization, great theoretical and practical significance
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[0051] Examples of the present invention figure 1 As shown, a power allocation method of a full-duplex multi-carrier security system based on QoS requirements is realized by the following communication system: the system includes a source, a relay, a sink, and an eavesdropping, wherein the source, the sink, and the eavesdropping all have a The relay includes a receiving antenna and a transmitting antenna, and the relay adopts DF (Decode-and-Forward) mode. If there is no direct communication between the source and the sink, the source can only pass the signal first It is sent to the relay, and then the relay decodes the received signal and forwards it to the destination; also assume that the source is far away from the eavesdropping, so eavesdropping can only eavesdrop on the signal sent by the relay; in a full-duplex multi-carrier security system In , the system bandwidth B is divided into K subcarriers, so that with Represent the SINR of the sink, relay and eavesdropping ...
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