Power allocation of random masked beamforming for guaranteed secure communications

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In order to avoid eavesdropping, beamforming can be used not only to induce artificial noise or jamming signal to an eavesdropper, but also transmit desired signals to a legitimate user (or sensor) from an access point (AP) equipped with an antenna array. In this paper, with proper power allocation, we show that beamforming under a rich scattering environment can guarantee a certain secrecy rate with an overwhelming probability. This approach becomes attractive for slow fading channels where the ergodic secrecy rate cannot be used to decide a target secrecy rate.
Publisher
IEEE
Issue Date
2015-10-28
Language
English
Citation

IEEE ICTC 2015, pp.329 - 334

URI
http://hdl.handle.net/10203/207153
Appears in Collection
EE-Conference Papers(학술회의논문)
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