Abstract
In the smart distribution network scenario, we investigate the physical layer security performance of power line communication in FBL. The results show that the system secure transmission rate increases with increasing channel block length and eventually converges to a constant value. Compared with the traditional SE maximization algorithm based on FBL, the total secrecy rate is improved by about 13%. Compared with the traditional linear precoder (ZF), the secrecy rate is improved by about 30%. Therefore, the proposed scheme is superior in supporting the power line communication system based on FBL.
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