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In this paper, we consider the problem of quantifying systemic redundancy in reliable systems having multiple controllers with overlapping functionality. In particular, we consider a multi-channel system with multi-controller configurations…

Dynamical Systems · Mathematics 2015-02-17 Getachew K. Befekadu , Panos J. Antsaklis

Pre-trained diffusion models have shown great potential in real-world image super-resolution (Real-ISR) tasks by enabling high-resolution reconstructions. While one-step diffusion (OSD) methods significantly improve efficiency compared to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Zongliang Wu , Siming Zheng , Peng-Tao Jiang , Xin Yuan

A scheme for linear optical implementation of fault-tolerant quantum computation is proposed, which is based on an error-detecting code. Each computational step is mediated by transfer of quantum information into an ancilla system embedding…

Quantum Physics · Physics 2007-10-07 Jaeyoon Cho

Reverse time migration (RTM) is a prominent technique in seismic imaging. Its resulting subsurface images are used in the industry to investigate with higher confidence the existence and the conditions of oil and gas reservoirs. Because of…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-09-05 Ítalo A. S. Assis , Antônio D. S. Oliveira , Tiago Barros , Idalmis M. Sardina , Calebe P. Bianchini , Samuel Xavier-de-Souza

This paper considers the problem of assigning multiple mobile robots to goals on transport networks with uncertain information about travel times. Our aim is to produce optimal assignments, such that the average waiting time at destinations…

Robotics · Computer Science 2019-04-23 Amanda Prorok

Existing chain-based rotating-leader BFT SMR protocols for the partially synchronous network model with constant commit latencies incur block periods of at least $2\delta$ (where $\delta$ is the message transmission latency). While a…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-22 Isaac Doidge , Raghavendra Ramesh , Nibesh Shrestha , Joshua Tobkin

On-chip communication is a critical element of modern systems-on-chip (SoCs), allowing processor cores to interact with memory and peripherals. Interconnects require special care in radiation-heavy environments, as any soft error within the…

Hardware Architecture · Computer Science 2025-10-14 Michael Rogenmoser , Angelo Garofalo , Luca Benini

In cloud computing systems, assigning a task to multiple servers and waiting for the earliest copy to finish is an effective method to combat the variability in response time of individual servers, and reduce latency. But adding redundancy…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-04-13 Gauri Joshi , Emina Soljanin , Gregory Wornell

Edge computing operates between the cloud and end users and strives to provide low-latency computing services for simultaneous users. Redundant use of multiple edge nodes can reduce latency, as edge systems often operate in uncertain…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-11-26 Pei Peng , Emina Soljanin

Vehicular communications have stringent latency requirements on safety-critical information transmission. However, lack of instantaneous channel state information due to high mobility poses a great challenge to meet these requirements and…

Information Theory · Computer Science 2018-08-16 Chongtao Guo , Le Liang , Geoffrey Ye Li

Existing lower bounds on redundancy in fault-tolerant quantum circuits are applicable when both the input and the intended output are quantum states. These bounds may not necessarily hold, however, when the input and the intended output are…

Quantum Physics · Physics 2023-12-01 Uthirakalyani. G , Anuj K. Nayak , Avhishek Chatterjee , Lav R. Varshney

Bidirectional recurrent neural networks (bi-RNNs), in particular, bidirectional long short term memory (bi-LSTM), bidirectional gated recurrent unit, and convolutional bi-LSTM models have recently attracted attention for nonlinearity…

Signal Processing · Electrical Eng. & Systems 2022-07-26 Abtin Shahkarami , Mansoor Yousefi , Yves Jaouen

Erasure coding is a storage-efficient alternative to replication for achieving reliable data backup in distributed storage systems. During the storage process, traditional erasure codes require a unique source node to create and upload all…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-03-19 Lluis Pamies-Juarez , Anwitaman Datta , Frédérique Oggier

As intelligent computing devices increasingly integrate into human life, ensuring the functional safety of the corresponding electronic chips becomes more critical. A key metric for functional safety is achieving a sufficient fault…

Hardware Architecture · Computer Science 2025-04-24 Jiaping Tang , Jianan Mu , Silin Liu , Zizhen Liu , Feng Gu , Xinyu Zhang , Leyan Wang , Shenwen Liang , Jing Ye , Huawei Li , Xiaowei Li

There is a growing interest in discovery of internet topology at the interface level. A new generation of highly distributed measurement systems is currently being deployed. Unfortunately, the research community has not examined the problem…

Networking and Internet Architecture · Computer Science 2007-05-23 Benoit Donnet , Philippe Raoult , Timur Friedman , Mark Crovella

Hierarchical application of Triple-Modular Redundancy (TMR) increases fault tolerance of digital Integrated Circuit (IC). In this paper, a simple probabilistic model was proposed for analysis of fault masking performance of hierarchical TMR…

Other Computer Science · Computer Science 2009-02-03 B. Baykant Alagoz

In this paper we study the long-term throughput performance of repetition protocols coupled with power control for multiple access block-fading channels. We propose to use the feedback bits to inform the transmitter about the decoding…

Information Theory · Computer Science 2010-09-24 Davide Barbieri , Daniela Tuninetti

In this paper we propose and prove that cyclic quorum sets can efficiently manage all-pairs computations and data replication. The quorums are O(N/sqrt(P)) in size, up to 50% smaller than the dual N/sqrt(P) array implementations, and…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-08-19 Cory J. Kleinheksel , Arun K. Somani

Multi-band transmission is a promising technical direction for spectrum and capacity expansion of existing optical networks. Due to the increase in the number of usable wavelengths in multi-band optical networks, the complexity of resource…

Networking and Internet Architecture · Computer Science 2024-03-28 Cao Chen , Shilin Xiao , Fen Zhou , Massimo Tornatore

With relentless CMOS technology downsizing Networks-on-Chips (NoCs) are inescapably experiencing escalating susceptibility to wearout and reduced reliability. While faults in processors and memories may be masked via redundancy, or…

Hardware Architecture · Computer Science 2020-06-22 Costas Iordanou , Vassos Soteriou , Konstantinos Aisopos
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