Physical Layer Security for Hybrid-ARQ Protocols with Massive Antennas

Waqas Khalid, Heejung Yu, Jingon Joung

Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

Abstract

We consider secure hybrid automatic repeat request (HARQ) protocols for massive multiple-input single-output single-eavesdropper (MISOSE) channels. To improve the secrecy rate, the channel state information (CSI), via a negative acknowledge frame, is estimated for beamforming for the next transmission rounds (TRs). To tackle the intractable optimization problem of exact secrecy throughput (ST), the sufficiently accurate approximations of connection and secrecy outage probabilities (OPs) are derived. An iteratively alternating optimization algorithm is adopted to find the optimal rates parameters and number of TRs for the approximated ST.
Original languageEnglish
Title of host publicationKICS Winter Conference , Yongpyong Resort, Gangwon-do, Korea.
Pages183-184
Number of pages2
Publication statusPublished - 20 Feb 2020
Externally publishedYes

Keywords

  • Physical Layer Security
  • Hybrid-ARQ
  • Massive Antennas

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