A multi-input multi-output (MIMO) orthogonal frequency-division multiplexing (OFDM) network in the presence of a passive eavesdropper is considered. The deployment of radio frequency power transfer at the receiver and the use of hybrid artificial noise at the transmitter are simultaneously taken into account. At the legal receiver, the cyclic prefix of each OFDM block is used for the purpose of harvesting energy. In parallel, the power-splitting SWIPT technique is additionally used. We then propose a trade-off problem to maximize the secrecy rate of the network while keeping the harvested energy above a given threshold. Throughout the numerical results, the performance of our proposed secure scheme is evaluated.
|Title of host publication||IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2018) |
|Place of Publication|| Bologna, Italy|
|Number of pages||6|
|Publication status||Published - Dec 2018|
|Name||Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC): Proceedings|