Artificial Noise: Transmission Optimization in Multi-Input Single-Output Wiretap Channels

Yang, Nan; Yan, Shihao; Yuan, Jinhong; Malaney, Robert; Subramanian, Ramanathan; Land, Ingmar

doi:10.1109/tcomm.2015.2419634

Cited by 139 publications

(104 citation statements)

References 38 publications

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“…in the PHY-layer security literature under the name of AN [3]- [6] or cooperative jamming [7]. In [4], [5], the problem of secure communication with multi-antenna transmission in fading channels was investigated. The source node simultaneously transmits an information bearing signal to the intended destination node and AN signals to confuse the eavesdropping node.…”

Section: Introductionmentioning

confidence: 99%

QoS-Aware Enhanced-Security for TDMA Transmissions from Buffered Source Nodes

Shafie

Duong

Al-Dhahir

2017

IEEE Trans. Wireless Commun.

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Abstract-This paper proposes a cross-layer design to secure a set of buffered legitimate source nodes wishing to communicate with a common destination node using a time-division multipleaccess scheme. The users' assignment probabilities to the time slots are optimized to satisfy a certain quality-of-service (QoS) requirement for all the legitimate source nodes. To further improve the system security, we propose beamforming-based cooperative jamming schemes subject to the availability of the channel state information (CSI) at the legitimate nodes. We derive closed-form expressions for the instantaneous secrecy rate for each scheme as well as the secrecy outage probability. Moreover, we derive the secrecy stable-throughput and delay-requirement regions. In our proposed scheme, if a node is not selected for data transmission, it is a cooperative jamming node. We impose an average transmit power constraint on each source node. We investigate the cases where a global CSI is assumed at the legitimate nodes and where there is no eavesdropper's CSI. The case where there is no CSI at the jamming nodes is also investigated and a new scheme is proposed. Our proposed jamming schemes achieve significant increases in the secure throughput over existing schemes from the literature and over the no-jamming scheme.

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Section: Introductionmentioning

confidence: 99%

QoS-Aware Enhanced-Security for TDMA Transmissions from Buffered Source Nodes

Shafie

Duong

Al-Dhahir

2017

IEEE Trans. Wireless Commun.

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“…In the context of physical layer security, beamforming with artificial noise has been extensively utilized because of several advantages [18,19]. Hence, we resort to artificial noise secure transmission in FDA Butler matrix.…”

Section: Fda Butler Matrix With Artificial Noisementioning

confidence: 99%

Frequency Diverse Array Using Butler Matrix for Secure Wireless Communications.

Nusenu¹,

Chen²,

Wang³

et al. 2018

PIER M

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Abstract-An antenna array system configured to offer directional dependent modulation has the capability to prevent eavesdroppers' attacks, thereby enhancing the security level of data transmission. In this paper, we propose artificial-noise-aided directional modulation transmitter utilizing a 4 × 4 Butler matrix with a four-element 2-D (i.e., range and angle) frequency diverse array (FDA) antenna to achieve secure transmissions, which outperforms the 1-D (i.e., angle) phased array scheme. The proposed scheme utilizes FDA Butler matrix excited by information data and injected artificial noise interference which radiates along all directions except the main information data direction. Thus, the radiation pattern during a particular transmission period will be range-angle dependent. The proposed scheme is evaluated by using constellation points in IQ space, bit error probability (BER), and secrecy capacity. Simulation results demonstrate that: 1) our scheme scrambles the constellation points along undesired direction(s) in both amplitude and phase, while preserving a clear constellation points along the pre-specified direction(s); 2) the scheme achieves better BER and secrecy capacity than that of the phased array based directional modulation scheme and other existing scheme; 3) the scheme significantly improves security performance especially in the range dimension.

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“…Therefore, the system can also be regarded as a multipleinput-single-output (MISO) wiretap channel, where the eavesdropper attempts to intercept messages from one specific data stream. Different from issues of the MISO wiretap channel in [6,[47][48][49], we focus on the impact of the SIC order on the individual secrecy performance (i.e., secrecy performance of each data stream in this equivalent MISO wiretap channel model).…”

Section: Fading Homogeneous Mac-wt Modelingmentioning

confidence: 99%

“…In accordance with [6], the EST is the product of a secrecy rate R s and the corresponding secrecy transmission probability P…”

Section: Effective Secrecy Throughputmentioning

confidence: 99%

“…Consequently, researchers *Correspondence: kwjiang@bjtu.edu.cn 1 School of Electronics and Information Engineering, Beijing Jiaotong University, 100044 Beijing, China 2 School of Electric and Information Engineering, Taizhou Vocational and Technical College, 318000 Taizhou, China characterized another two secrecy metrics, secrecy outage probability and ergodic secrecy capacity [4,5]. Besides, one interesting measure, effective secrecy throughput (EST), was introduced in [6] by Nan Yang et al evaluating an average secrecy rate at which messages are transmitted to a legitimate receiver confidentially.…”

Section: Introductionmentioning

confidence: 99%

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Individual secrecy of fading homogeneous multiple access wiretap channel with successive interference cancellation

Jiang

Jing

et al. 2017

J Wireless Com Network

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We investigate individual secrecy performance in a K-user quasi-static Rayleigh fading homogeneous multiple access wiretap channel (MAC-WT), where a legitimate receiver employs successive interference cancellation (SIC) decoding. We first evaluate individual secrecy performance under an arbitrary SIC order by deriving closed-form expressions with respect to secrecy outage probability and effective secrecy throughput (EST) as main metrics. The resulting closed-form expressions disclose a significant impact on the secrecy performance from the order of SIC decoding. Therefore, we propose three SIC decoding order scheduling schemes: (1) round-robin scheme, absolutely fair and served as a benchmark; (2) suboptimal scheme, based on each user's main channel condition; and (3) optimal scheme, based on each user's achievable secrecy rate. Comparison results show that the last two schemes outperform the first one with regard to both the EST and the multi-user diversity gain, whereas the performance of the suboptimal scheme is highly close to that of the optimal scheme which is usually impractical due to a requirement for the eavesdropper's channel state information (CSI).

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Artificial Noise: Transmission Optimization in Multi-Input Single-Output Wiretap Channels

Cited by 139 publications

References 38 publications

QoS-Aware Enhanced-Security for TDMA Transmissions from Buffered Source Nodes

QoS-Aware Enhanced-Security for TDMA Transmissions from Buffered Source Nodes

Frequency Diverse Array Using Butler Matrix for Secure Wireless Communications.

Individual secrecy of fading homogeneous multiple access wiretap channel with successive interference cancellation

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