He, Biao; Zhou, Xiangyun
The potential dual use of radio-frequency (RF) signals for carrying energy and information brings an exciting opportunity for energy harvesting (EH) from ambient RF signals in wireless communication networks. To maximize the efficiency of harvesting wireless energy, it is desirable to have the EH node located close to the transmitter. However, when the transmitted information is confidential, the EH node should be regarded as a potential eavesdropper, and hence, it is preferred to have the EH...[Show more]
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