Physical Layer Security for Multiuser MIMO Communications

Geraci, Giovanni; Yuan, Jinhong

doi:10.5772/57130

Cited by 1 publication

(1 citation statement)

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“…Here, secrecy is achieved without the help of an encryption key and limits the information that can be extracted at the 'bit' level by an unauthorized receiver [2]. Much research has been done on information theoretic security, which uses specific channel codes to obtain robustness to transmission errors.…”

Section: Introductionmentioning

confidence: 99%

Filter design for MIMO Gaussian wiretap channel

Jose

Darsana

Soney

et al. 2014

2014 Annual International Conference on Emerging Research Areas: Magnetics, Machines and Drives (AICERA/iCMMD)

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In wireless communication, the broadcast nature of the medium has made information security a very important concern. This nature allows the unauthorized receivers to observe and eavesdrop the signals sent by the transmitter to an authorized receiver if it lies within the transmission range. This paper considers the transmit and receive filter design for multiple input multiple output (MIMO) Gaussian wiretap channel. The optimal transmit filter design requires prior knowledge of the type of filters used at the receivers. Here, we assume that the valid receiver and the eavesdropper employ Zero-Forcing (ZF) criteria at their receivers. We also assume that the transmitter, intended receiver and eavesdropper are equipped with two antennas and channel information is known to all parties. The transmit and receive filters are designed with an objective to minimize the mean-square error (MSE) between authenticated parties, while ensuring that the eavesdropper MSE goes beyond a certain level. Performances of the designed filters are analyzed using numerical simulation.

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Section: Introductionmentioning

confidence: 99%