Wireless energy-carrying relay system and method capable of guaranteeing information security
A wireless energy carrying and relay system technology, applied in radio transmission systems, diversity/multi-antenna systems, transmission systems, etc., can solve the problem that the spectral efficiency and energy efficiency of beamforming schemes are not fully utilized, and achieve improved spectrum and The utilization rate of energy resources and the effect of ensuring the security of information communication
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[0049] Such as Figure 1-4 As shown, the wireless energy-carrying relay system for ensuring information security in the present invention includes: a source terminal, a plurality of relay terminals, a legal receiving terminal, an energy collection terminal and an eavesdropper, and each relay terminal is connected to the source terminal respectively. end, legal receiver, energy harvester and eavesdropper are connected. The wireless energy carrying relay system is a two-hop amplification and forwarding multi-relay network. In this embodiment, it includes K multi-antenna relay terminals, and each relay terminal is equipped with N antennas; the energy receiving end is equipped with M antennas; The source, legitimate receiver, and eavesdropper are all equipped with a single antenna. Assuming that there is no direct link connection between the source and the legal receiver, in the first time slot, the source sends the signal to the relay; in the second time slot, the relay receives...
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