On the security weaknesses of a power splitting-based passive optical network

On the security weaknesses of a power splitting-based passive optical network
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基于功率分配的无源光网络的安全弱点

DOI:
10.1016/j.ijleo.2018.08.128
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发表时间:
2018-12
期刊:
影响因子:
3.1
通讯作者:
Jing Xu
Jing Xu
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
WeiChao Lyu;Yang Qiu;Jun Han;Ning Deng;Jing Xu

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我们调查和实验证明连续波(CW)注入恶意ONU的上行传输在基于功率分配的PON的影响。考虑了TDM-PON中使用的OOK信号和OFDM-PON中的OFDM信号。在我们的实验中,10 Gb/s的NRZ-PRBS和OFDM信号被用来测试连续波注入TDM-PON和OFDM-PON的效果,分别。当信号串扰比降低到7.7 dB时,观察到上行OOK信号的误码率平层。类似地,来自恶意ONU的CW注入也对上行OFDM信号施加严重的功率惩罚。为了克服这个安全问题,我们提出了一种新的保护方案,通过收获的光能量在远程节点(RN),原来浪费在一个共同的基于功率分配的PON。所提出的保护方案可以保持RN的被动性质。
We investigate and experimentally demonstrate the impact of continuous wave (CW) injection from a malicious ONU on the upstream transmission in a power splitting-based PON. Both OOK signal as used in a TDM-PON and OFDM signal in an OFDM-PON are considered. In our experiment, 10-Gb/s NRZ-PRBS and OFDM signals were used to test the effect of CW injection in TDM-PON and OFDM-PON, respectively. A bit error rate floor is observed for the upstream OOK signal when the signal-to-crosstalk ratio is reduced to 7.7 dB. Similarly, the CW injection from a malicious ONU also impose severe power penalty to the upstream OFDM signal. To overcome this security issue, we propose a novel protection scheme via harvesting the optical energy at the remote node (RN) that is originally wasted in a common power splitting-based PON. The proposed protection scheme can maintain the passive nature of the RN.
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