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Antijamming Schemes for Interference-Alignment-Based Wireless Networks
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DOI：10.1109/TVT.2016.2557819.png)
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摘要
En 中文
Interference alignment (IA) is a promising technique for interference management in wireless networks. On the other hand, jamming is a potential threat to wireless communications, which can degrade the performance of IA-based networks severely. Although some excellent work has been done on IA and antijamming, these two important aspects have traditionally been addressed separately in most previous work. In this paper, we study the antijamming issues and propose two antijamming schemes for IA-based networks. In the first scheme, the jamming signal and interferences are aligned into the same subspace at each receiver, and thus, can be perfectly eliminated together. When the requirement of perfect alignment can be relaxed, the second scheme is proposed to further improve the antijamming performance by maximizing the received signal-to-interference-plus-noise ratio (SINR). We derive the proper and feasibility conditions of the proposed two schemes. Simulation results are presented to show the effectiveness of the proposed schemes in mitigating jamming signals in IA-based wireless networks.
Keyword:
Adversarial jammer
antijamming
feasibility condition
interference alignment (IA)
multiple-input multiple-output
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7.1
论文数:
1.8W
被引数:
6.6W
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