Physical Layer Security Jamming: Theoretical Limits and Practical Designs in Wireless Networks

Kanapathippillai Cumanan, Hong Xing, Peng Xu, Gan Zheng, Xuchu Dai, Arumugam Nallanathan, Zhiguo DIng, George K. Karagiannidis

Research output: Contribution to journalArticlepeer-review

73 Scopus citations


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.

Original languageBritish English
Article number7784829
Pages (from-to)3603-3611
Number of pages9
JournalIEEE Access
StatePublished - 2017


  • cooperative jamming
  • full-duplex systems
  • game theory
  • Physical layer security
  • wireless energy harvesting


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