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Multi-antenna relay aided wireless physical layer security.
- Source :
-
IEEE Communications Magazine . Dec2015, Vol. 53 Issue 12, p40-46. 7p. - Publication Year :
- 2015
-
Abstract
- With the growing popularity of mobile Internet, providing secure wireless services has become a critical issue. Physical layer security (PHY-security) has been recognized as an effective means to enhance wireless security by exploiting wireless medium characteristics, for example, fading, noise, and interference. A particularly interesting PHY-security technology is cooperative relay due to the fact that it helps to provide distributed diversity and shorten access distance. This article offers a tutorial on various multi-antenna relaying technologies to improve security at physical layer. The state-of-the-art research results on multi-antenna relay aided PHY-security as well as some secrecy performance optimization schemes are presented. In particular, we focus on large-scale MIMO relaying technology, which is effective in tackling various challenging issues for implementing wireless PHY-security, such as short-distance interception without eavesdropper CSI and with imperfect legitimate CSI. Moreover, the future directions are identified for further enhancement of secrecy performance. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 01636804
- Volume :
- 53
- Issue :
- 12
- Database :
- Academic Search Index
- Journal :
- IEEE Communications Magazine
- Publication Type :
- Academic Journal
- Accession number :
- 115133379
- Full Text :
- https://doi.org/10.1109/MCOM.2015.7355564