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Realizing flow security in a concurrent environment is extremely challenging, primarily due to non-deterministic nature of execution. The difficulty is further exacerbated from a security angle if sequential threads disclose control…

编程语言 · 计算机科学 2021-03-04 Sandip Ghosal , R. K. Shyamasundar

Field programmable gate arrays (FPGAs) provide designers with the ability to quickly create hardware circuits. Increases in FPGA configurable logic capacity and decreasing FPGA costs have enabled designers to more readily incorporate FPGAs…

硬件体系结构 · 计算机科学 2011-11-09 Roman Lysecky , Frank Vahid

In this paper, a novel continuous-aperture array (CAPA)-based wireless communication architecture is proposed, which relies on an electrically large aperture with a continuous current distribution. First, an existing prototype of CAPA is…

信号处理 · 电气工程与系统科学 2025-04-15 Yuanwei Liu , Chongjun Ouyang , Zhaolin Wang , Jiaqi Xu , Xidong Mu , Zhiguo Ding

Field-Programmable Gate Arrays (FPGAs) have evolved from uniform logic arrays into heterogeneous fabrics integrating digital signal processors (DSPs), memories, and specialized accelerators to support emerging workloads such as machine…

硬件体系结构 · 计算机科学 2025-09-24 Allen Boston , Biruk Seyoum , Luca Carloni , Pierre-Emmanuel Gaillardon

A relay channel with orthogonal components that is affected by an interference signal that is noncausally available only at the source is studied. The interference signal has structure in that it is produced by another transmitter…

信息论 · 计算机科学 2016-11-15 Kagan Bakanoglu , Elza Erkip , Osvaldo Simeone , Sholomo Shamai

Physical layer (PHY) security in decode-and-forward (DF) relay systems is discussed. Based on the types of wiretap links, the secrecy performance of three typical secure DF relay models is analyzed. Different from conventional works in this…

信息论 · 计算机科学 2022-07-12 Chongjun Ouyang , Hao Xu , Xujie Zang , Hongwen Yang

Air-gapped systems are considered highly secure against data leaks due to their physical isolation from external networks. Despite this protection, ultrasonic communication has been demonstrated as an effective method for exfiltrating data…

密码学与安全 · 计算机科学 2025-06-11 Mordechai Guri

Scientists have built a variety of covert channels for secretive information transmission with CPU cache and main memory. In this paper, we turn to a lower level in the memory hierarchy, i.e., persistent storage. Most programs store…

密码学与安全 · 计算机科学 2024-06-21 Qisheng Jiang , Chundong Wang

Embedded field programmable gate array (eFPGA) technology allows the implementation of reconfigurable logic within the design of an application-specific integrated circuit (ASIC). This approach offers the low power and efficiency of an ASIC…

硬件体系结构 · 计算机科学 2024-08-29 Julia Gonski , Aseem Gupta , Haoyi Jia , Hyunjoon Kim , Lorenzo Rota , Larry Ruckman , Angelo Dragone , Ryan Herbst

We introduce a protection-based IP security scheme to protect soft and firm IP cores which are used on FPGA devices. The scheme is based on Finite State Machin (FSM) obfuscation and exploits Physical Unclonable Function (PUF) for FPGA…

密码学与安全 · 计算机科学 2021-01-22 Farzane Khajuyi , Behnam Ghavami , Human Nikmehr

Many physical systems considered promising qubit candidates are not, in fact, two-level systems. Such systems can leak out of the preferred computational states, leading to errors on any qubits that interact with leaked qubits. Without…

量子物理 · 物理学 2013-10-09 Austin G. Fowler

Leakage from the computational subspace is a damaging source of noise that degrades the performance of most qubit types. Unlike other types of noise, leakage cannot be overcome by standard quantum error correction techniques and requires…

We study the construction of programable integrated circuits with the help of disordered Chern insulators (CIs) in this letter. Specifically, the schemes for low dissipation logic devices and connecting wires are proposed. We use the…

介观与纳米尺度物理 · 物理学 2021-11-24 Bing-Lan Wu , Zi-Bo Wang , Zhi-Qiang Zhang , Hua Jiang

This paper studies the outage probability and the throughput of amplify-and-forward relay networks with wireless information and energy transfer. We use some recent results on finite block-length codes to analyze the system performance in…

信息论 · 计算机科学 2016-11-21 Mahdi Haghifam , Behrooz Makki , Masoumeh Nasiri-Kenari , Tommy Svensson , Michele Zorzi

Graphics Processing Units (GPUs) are deployed on most present server, desktop, and even mobile platforms. Nowadays, a growing number of applications leverage the high parallelism offered by this architecture to speed-up general purpose…

密码学与安全 · 计算机科学 2016-02-29 Roberto Di Pietro , Flavio Lombardi , Antonio Villani

Modern circuits face various threats like reverse engineering, theft of intellectual property (IP), side-channel attacks, etc. Here, we present a novel approach for IP protection based on logic encryption (LE). Unlike established schemes…

Frequency-multiplexing is an effective method to achieve resource-efficient superconducting qubit readout. Allowing multiple resonators to share a common feedline, the number of cables and passive components involved in the readout of a…

量子物理 · 物理学 2025-02-06 Satvik Maurya , Chaithanya Naik Mude , Benjamin Lienhard , Swamit Tannu

As modern hardware designs grow in complexity and size, ensuring security across the confidentiality, integrity, and availability (CIA) triad becomes increasingly challenging. Information flow tracking (IFT) is a widely-used approach to…

密码学与安全 · 计算机科学 2025-04-10 Nowfel Mashnoor , Mohammad Akyash , Hadi Kamali , Kimia Azar

We demonstrate an FPGA implementation of a parallel and reconfigurable architecture for sparse neural networks, capable of on-chip training and inference. The network connectivity uses pre-determined, structured sparsity to significantly…

分布式、并行与集群计算 · 计算机科学 2019-04-29 Sourya Dey , Diandian Chen , Zongyang Li , Souvik Kundu , Kuan-Wen Huang , Keith M. Chugg , Peter A. Beerel

This paper studies the physical layer security of a vehicular communication network in the presence of interference constraints by analysing its secrecy capacity. The system considers a legitimate receiver node and an eavesdropper node,…

信号处理 · 电气工程与系统科学 2019-11-20 Abubakar U. Makarfi , Rupak Kharel , Khaled M. Rabie , Omprakash Kaiwartya , Galymzhan Nauryzbayev