Secure communication through Nakagami-m fading MISO channel

Md Zahurul I Sarkar*, Tharmalingam Ratnarajah

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract / Description of output

We consider the problem of secret communication over Nakagami-m fading multiple-input single-output (MISO) broadcast channel, where transmitter sends messages to the destination users following two different transmission protocols. In the first transmission protocol, transmitter sends a confidential message to user 1, and user 2 acts as an eavesdropper. In this protocol, at first, we define the ergodic secrecy capacity for the full channel state information (CSI) case and then we consider the case of only main channel CSI at the transmitter. Finally, we define the secrecy capacity in case of open-loop spatial multiplexing transmission scheme and present the analytical expression for the lower bound of ergodic secrecy capacity. In the second transmission protocol, we consider the transmission of two independent messages to user 1 and user 2 with informationtheoretic secrecy, where each user would like to obtain its own confidential message in a reliable and safe manner. Under this communication scenario, an achievable secrecy capacity region is developed using secret dirty-paper coding scheme.

Original languageEnglish
Title of host publicationIEEE International Conference on Communications
Publication statusPublished - 2 Sept 2011
Event2011 IEEE International Conference on Communications, ICC 2011 - Kyoto, United Kingdom
Duration: 5 Jun 20119 Jun 2011


Conference2011 IEEE International Conference on Communications, ICC 2011
Country/TerritoryUnited Kingdom

Keywords / Materials (for Non-textual outputs)

  • eavesdropper's channel
  • ergodic secrecy capacity
  • Main channel
  • secret dirty-paper coding


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