Physical layer security jamming: Theoretical limits and practical designs in wireless networks
journal contributionposted on 15.12.2016, 11:29 by Kanapathippillai Cumanan, Hong Xing, Peng Xu, Gan ZhengGan Zheng, Xuchu Dai, Arumugam Nallanathan, Zhiguo D. Ding, George K. Karagiannidis
Physical layer security has been recently recognized as a promising new design paradigm to provide security in wireless networks. In addition to the existing conventional cryptographic methods, physical layer security exploits the dynamics of fading channels to enhance secured wireless links. In this approach, jamming plays a key role by generating noise signals to confuse the potential eavesdroppers, and significantly improves quality and reliability of secure communications between legitimate terminals. This article presents theoretical limits and practical designs of jamming approaches for physical layer security. In particular, the theoretical limits explore the achievable secrecy rates of user cooperation based jamming whilst the centralized, and game theoretic based precoding techniques are reviewed for practical implementations. In addition, the emerging wireless energy harvesting techniques are exploited to harvest the required energy to transmit jamming signals. Future directions of these approaches, and the associated research challenges are also briefly outlined.
The work of K. Cumanan and Z. Ding was supported by H2020-MSCARISE-2015 under Grant 690750. The work of Z. Ding was supported by the U.K. EPSRC under Grant EP/L025272/1. The work of H. Xing and A. Nallanathan was supported by the U.K. EPSRC under Grant EP/N005651/1. The work of G. Zheng was supported by the U.K. EPSRC under Grant EP/N007840/1. The work of X. Dai was supported in part by the National Natural Science Foundation of China under Grant 61471334.
- Mechanical, Electrical and Manufacturing Engineering