In this letter, we extend the results of secure transmission with artificial noise over multiple-input single-output (MISO) wiretap channels. There is a case such that the transmitter knows the relative distance of the eavesdropper. That is, it knows the distance from itself to the eavesdropper divided by its distance to the legitimate receiver. The study found that when the transmitter utilizes information about the relative distance of the passive eavesdropper, the system can achieve a significant increase in its secrecy rate. This work may be useful evaluating a secure communication system in where a secure-zone is enforced and is accessible, exclusively, to the legitimate receiver.
Bibliographical noteFunding Information:
The work of N. Chang and J. Kang was in part supported by the KCC (Korea Communications Commission), Korea, under the R&D program supervised by the KCA (Korea Communications Agency) (KCA-2011-(09913-05003)). The work of J. Ha was in part supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2011-0003226). The work of C.-B. Chae was in part supported by the Ministry of Knowledge Economy under the IT Consilience Creative Program (NIPA-2012-H0201-12-1001) and the Yonsei University Research Fund. Digital Object Identifier 10.1109/LCOMM.2012.070512.120519
All Science Journal Classification (ASJC) codes
- Modelling and Simulation
- Computer Science Applications
- Electrical and Electronic Engineering