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Articles 1 - 10 of 10
Full-Text Articles in Engineering
A Post-American World? Assessing The Cognitive And Attitudinal Impacts Of Challenges To American Exceptionalism, Jason A. Gilmore, Charles Rowling
A Post-American World? Assessing The Cognitive And Attitudinal Impacts Of Challenges To American Exceptionalism, Jason A. Gilmore, Charles Rowling
Languages, Philosophy, and Communication Studies Faculty Publications
A number of voices have emerged in U.S. political discourse questioning the legitimacy of American exceptionalism, suggesting we are in a “post-American world.” Our research examines the effects that political messages that explicitly challenge American exceptionalism can have on U.S. public opinion. Drawing upon social identity theory, we find that explicit challenges to American exceptionalism significantly impact Americans’ views toward their own nation, their willingness to denigrate foreign publics, and their broader foreign policy preferences.
Fifa: Exploring A Focally Induced Fault Attack Strategy In Near-Threshold Computing, Prabal Basu, Chidhambaranathan Rajamanikkam, Aatreyi Bal, Pramesh Pandey, Trevor Carter, Koushik Chakraborty, Sanghamitra Roy
Fifa: Exploring A Focally Induced Fault Attack Strategy In Near-Threshold Computing, Prabal Basu, Chidhambaranathan Rajamanikkam, Aatreyi Bal, Pramesh Pandey, Trevor Carter, Koushik Chakraborty, Sanghamitra Roy
Electrical and Computer Engineering Faculty Publications
In this letter, we explore the emerging security threats of near-threshold computing (NTC). Researchers have shown that the delay sensitivity of a circuit to supply voltage variation tremendously increases, as the circuit's operating conditions shift from traditional super-threshold values to NTC values. As a result, NTC systems become extremely vulnerable to timing fault attacks, jeopardizing trustworthy computing. Inspired by the operation of a polymorphic virus, we propose a novel threat model for NTC, referred to as a focally induced fault attack (FIFA). FIFA employs a machine learning framework to ascertain the circuit vulnerabilities and generates targeted software modules to cause …
Security For 5g Mobile Wireless Networks, Dongfeng Fang, Yi Qian, Rose Qingyang Hu
Security For 5g Mobile Wireless Networks, Dongfeng Fang, Yi Qian, Rose Qingyang Hu
Electrical and Computer Engineering Faculty Publications
The advanced features of 5G mobile wireless network systems yield new security requirements and challenges. This paper presents a comprehensive survey on security of 5G wireless network systems compared to the traditional cellular networks. The paper starts with a review on 5G wireless networks particularities as well as on the new requirements and motivations of 5G wireless security. The potential attacks and security services with the consideration of new service requirements and new use cases in 5G wireless networks are then summarized. The recent development and the existing schemes for the 5G wireless security are presented based on the corresponding …
Non-Orthogonal Multiple Access In A Mmwave Based Iot Wireless System With Swipt, Haijian Sun, Qun Wang, Shakil Ahmed, Rose Qingyang Hu
Non-Orthogonal Multiple Access In A Mmwave Based Iot Wireless System With Swipt, Haijian Sun, Qun Wang, Shakil Ahmed, Rose Qingyang Hu
Electrical and Computer Engineering Student Research
This paper applies non-orthogonal multiple access (NOMA) and relaying schemes in a mmWave based wireless heterogeneous system that aims to support Internet of Things (IoT) applications. The system consists of high power base stations, low-power relays, and low-power IoT devices. Due to the ad hoc deployment nature of low-power relays, they have very limited access to wireline power charging facilities. Furthermore, IoT devices normally have limited power and short battery life. The study assumes low-power relays and IoT devices are capable of energy harvest functionality. With the help of relays or IoT devices, downlink NOMA transmission consists of two phases. …
Robust An-Aided Beamforming Design For Secure Miso Cognitive Radio Based On A Practical Nonlinear Eh Model, Yangchao Huang, Zan Li, Fuhui Zhou, Rui Zhu
Robust An-Aided Beamforming Design For Secure Miso Cognitive Radio Based On A Practical Nonlinear Eh Model, Yangchao Huang, Zan Li, Fuhui Zhou, Rui Zhu
Electrical and Computer Engineering Faculty Publications
Energy harvesting techniques are promising in next generation wireless communication systems. However, most of the existing works are based on an ideal linear energy harvesting model. In this paper, a multiple-input single-output cognitive radio network is studies under a practical non-linear energy harvesting model. In order to improve the security of both the primary network and the secondary network, a cooperative jamming scheme is proposed. A robust artificial noise aided beamforming design problem is formulated under the bounded channel state information error model. The formulated problem is non-convex and challenging to be solved. Using S-procedure and the semidefinite relaxation method, …
Iconoclast: Tackling Voltage Noise In The Noc Power Supply Through Flow-Control And Routing Algorithms, Prabal Basu, Rajesh Jayashankarashridevi, Koushik Chakraborty, Sanghamitra Roy
Iconoclast: Tackling Voltage Noise In The Noc Power Supply Through Flow-Control And Routing Algorithms, Prabal Basu, Rajesh Jayashankarashridevi, Koushik Chakraborty, Sanghamitra Roy
Electrical and Computer Engineering Faculty Publications
Power supply noise (PSN) is a growing concern in modern multiprocessor system-on-chips (MPSoCs). The advent of new architectures, such as the network-on-chip (NoC), the standard for on-chip communication in MPSoCs, has given rise to new challenges in maintaining reliable and energy-efficient operation. The growing NoC power footprint, increase in the transistor current, and high switching speed of the logic devices exacerbate the peak PSN in the NoC power delivery network (PDN). Hence, preserving power supply integrity in the NoC PDN is critical. In this paper, we propose IcoNoClast, a collection of a novel flow-control protocol (PAF) and an adaptive routing …
Security Measures Against A Rogue Network-On-Chip, Rajesh Jayashankarashridevi, Dean Michael Ancajas, Koushik Chakraborty, Sanghamitra Roy
Security Measures Against A Rogue Network-On-Chip, Rajesh Jayashankarashridevi, Dean Michael Ancajas, Koushik Chakraborty, Sanghamitra Roy
Electrical and Computer Engineering Faculty Publications
Network-on-chip facilitates glueless interconnection of various on-chip components in the forthcoming system-on-chips. As in the case of any new technology, security is a major concern in network-on-chip (NoC) design too. In this work, we explore a covert threat model for multiprocessor system-on-chips (MPSoCs) stemming from the use of malicious third-party network-on-chips (NoCs). We illustrate that a rogue NoC (rNoC) can selectively disrupt the perceived availability of on-chip resources, thereby causing large performance bottlenecks for the applications running on the MPSoC platform. Further, to counter the threat posed by rNoC, we propose a runtime latency auditor that enables an MPSoC integrator …
Fast And Efficient Radio Resource Allocation In Dynamic Ultra-Dense Heterogeneous Networks, Chonggyu Niu, Yibing Li, Rose Qingyang Hu, Fang Ye
Fast And Efficient Radio Resource Allocation In Dynamic Ultra-Dense Heterogeneous Networks, Chonggyu Niu, Yibing Li, Rose Qingyang Hu, Fang Ye
Electrical and Computer Engineering Faculty Publications
Ultra-dense network (UDN) is considered as a promising technology in 5G wireless networks. In an UDN network, dynamic traffic patterns can lead to a high computational complexity and an excessive communications overhead with traditional resource allocation schemes. In this paper, a new resource allocation scheme presenting a low computational overhead and a low subband handoff rate in a dynamic ultra-dense heterogeneous network is presented. The scheme first defines a new interference estimation method that constructs network interference state map, based on which a radio resource allocation scheme is proposed. The resource allocation problem is a MAX-K cut problem and can …
An X Band Patch Antenna Integrated With Commercial Triple-Junction Space Solar Cells, Taha Yekan, Reyhan Baktur
An X Band Patch Antenna Integrated With Commercial Triple-Junction Space Solar Cells, Taha Yekan, Reyhan Baktur
Civil and Environmental Engineering Student Research
An X band patch antenna was integrated on top of the cover glass of commercial space-certified solar cell and was studied for understanding the interaction between the solar cell and the antenna. It was found that the solar cell acts as a lossy substrate for the antenna and reduces the gain of the antenna by about 2 dB, and such a reduction remains consistent for different working states of the solar cell. The patch antenna reduces the efficiency of the solar cells because it blocks light, however, at 10 GHz, the impact of a patch antenna alone to the solar …
Analysis And Design Of Highly Transparent Meshed Patch Antenna Backed By A Solid Ground Plane, Tursunjan Yasin, Reyhan Baktur, Timothy Turpin, Jesus Arellano
Analysis And Design Of Highly Transparent Meshed Patch Antenna Backed By A Solid Ground Plane, Tursunjan Yasin, Reyhan Baktur, Timothy Turpin, Jesus Arellano
Electrical and Computer Engineering Faculty Publications
This paper analyzes rectangular and circular patch antennas fabricated from meshed conductors and backed with solid ground planes. Because of the meshing, the antennas are rendered optically transparent, where the transparency is determined by the mesh geometry. It is found that although there is a compromise between the antenna's efficiency and the optical transparency of the meshed patch, it is possible to optimize the antenna by refining mesh lines to certain extent. The limiting factors for refining mesh lines include material handling and fabrication process as well as the increased line impedance when being refined, which accordingly causes loss in …