A method for selecting secure transmission of unidirectional full-duplex MIMO relay antennas
An antenna selection and secure transmission technology, applied in the field of wireless communication and physical layer security, can solve the problems of increasing equipment cost and power consumption, limited system security performance improvement, and high system complexity, achieving low complexity and increasing channel size. Capacity, the effect of improving safety capacity
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[0059] See figure 1 As shown, the present invention proposes a one-way full-duplex MIMO relay antenna selection method for safe transmission. The full-duplex MIMO relay system includes a source S, a relay R, a destination D, and an eavesdropper E. Source S, relay R, destination node D, and eavesdropper E are all equipped with multiple antennas (the number of antennas for nodes S, D, R and E are N respectively S , N D , N R And N E ), the transmission of information is completed in one time slot. The source uses transmit antenna selection technology for relays and eavesdroppers ( figure 1 The antenna with the arrow pointing outward indicates the selected transmitting antenna), and the relay uses the transceiver antenna selection technology for the source, destination and eavesdroppers ( figure 1 The arrow pointing inward indicates the selected receiving antenna), the modeling of each channel in the system considers the quasi-static flat Rayleigh fading channel, all channels are...
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