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Secrecy outage of a multi-relay cooperative communication network with accumulation of harvesting energy at relays

机译:多中继协作通信网络的秘密中断,其中继电器收集能量

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Security of confidential data at the physical layer has been analysed in a network where the source sends the confidential data to the destination via multiple energy harvesting decode and forward relays in the presence of a single eavesdropper (EAV). In this two-hop communication, the first hop is broadcasting hop when the source sends the information signal to relay and other is the relaying hop when a selected relay forwards the information signal as well as transmits a jamming signal to destination and EAV. Each relay has the two batteries; one for accumulating the harvested energy and the other for power supply to relays for relay operation over a number of frames until the accumulated harvested energy becomes sufficient. In the broadcasting hop, relays harvest energy using a power splitting ratio scheme and accumulate the harvested energy in the battery over a number of communication frames. The performance is analysed in the form of secrecy outage probability (SOP) when the relay uses only the harvested energy to forward the signal. A closed-form analytical expression for the SOP is derived. MATLAB-based simulation results match well with the analytical results.
机译:已经在网络中分析了物理层的机密数据的安全性,在该网络中,源在存在单个窃听者(EAV)的情况下通过多个能量收集解码和转发中继将机密数据发送到目的地。在这种两跳通信中,当源将信息信号发送到中继时,第一跳是广播跳,而当选定的中继转发信息信号并将干扰信号发送到目的地和EAV时,第一跳是中继跳。每个继电器有两节电池;一个用于累积所收集的能量,另一个用于在多个帧上向继电器供电以进行继电器操作,直到累积的所收集的能量变得足够为止。在广播跃点中,中继器使用功率分配比方案中继收集能量,并在多个通信帧上将收集的能量累积在电池中。当继电器仅使用收集的能量来转发信号时,将以保密中断概率(SOP)的形式分析性能。得出SOP的闭式分析表达式。基于MATLAB的仿真结果与分析结果非常吻合。

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