English
Related papers

Related papers: Scatter-Gather DMA Performance Analysis within an …

200 papers

Transformer-based diffusion models offer superior scalability and performance but suffer from high computational overhead due to the iterative nature and quadratic complexity of self-attention at high resolutions. In this paper, we propose…

Hardware Architecture · Computer Science 2026-05-26 Jieon Yoon , Hangyeol Lee , Jaehoon Heo , Joo-Young Kim

We describe a new synchronous and distributed medium access control (MAC) protocol for multihop wireless networks that provides bandwidth guarantees to unicast connections. Our MAC protocol is based on a slotted time division multiple…

Networking and Internet Architecture · Computer Science 2022-11-16 Jennifer Andreoli-Fang , George Kondylis

Stochastic computing (SC) offers hardware simplicity but suffers from low throughput, while high-throughput Digital Computing-in-Memory (DCIM) is bottlenecked by costly adder logic for matrix-vector multiplication (MVM). To address this…

Hardware Architecture · Computer Science 2026-01-13 Kunming Shao , Liang Zhao , Jiangnan Yu , Zhipeng Liao , Xiaomeng Wang , Yi Zou , Tim Kwang-Ting Cheng , Chi-Ying Tsui

Conventional wisdom holds that an efficient interface between an OS running on a CPU and a high-bandwidth I/O device should use Direct Memory Access (DMA) to offload data transfer, descriptor rings for buffering and queuing, and interrupts…

Hardware Architecture · Computer Science 2025-04-25 Anastasiia Ruzhanskaia , Pengcheng Xu , David Cock , Timothy Roscoe

This paper presents a time-domain implementation of the Method of Auxiliary Sources (MAS) combined with the Standard Impedance Boundary Condition (SIBC) for electromagnetic scattering problems involving cylindrical scatterers with finite…

Classical Physics · Physics 2026-01-13 Minas Kouroublakis , Nikolaos L. Tsitsas , Yehuda Leviatan

Distributed training with synchronous stochastic gradient descent (SGD) on GPU clusters has been widely used to accelerate the training process of deep models. However, SGD only utilizes the first-order gradient in model parameter updates,…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-07-15 Shaohuai Shi , Lin Zhang , Bo Li

A fine-grained analysis of the cache-enabled networks is crucial for system design. In this paper, we focus on the meta distribution of the signal-to-interference ratio (SIR) for the cache-enabled networks where the locations of the base…

Information Theory · Computer Science 2021-02-09 Le Yang , Fu-Chun Zheng , Yi Zhong , Shi Jin

Backscatter is a key technology for battery-free sensing in industrial IoT applications. To fully cover numerous tags in the deployment area, one often needs to deploy multiple readers, each of which communicates with tags within its…

Networking and Internet Architecture · Computer Science 2025-04-01 Yang Zou , Xin Na , Yimiao Sun , Yuan He

Silicon-based terahertz quantum cascade lasers (QCLs) offer potential advantages over existing III-V devices. Although coherent electron transport effects are known to be important in QCLs, they have never been considered in Si-based device…

Mesoscale and Nanoscale Physics · Physics 2012-06-13 T. V. Dinh , A. Valavanis , L. J. M. Lever , Z. Ikonić , R. W. Kelsall

This paper proposes the joint use of digital self-interference cancellation (DSIC) and spatial suppression to mitigate far-field self-interference (SI) in full-duplex multiple-input multiple-output (MIMO) systems. Far-field SI, caused by…

Signal Processing · Electrical Eng. & Systems 2025-01-07 Anil Kurt , Gokhan M. Guvensen

Digital twin (DT) is a core enabler of sixth generation (6G) mobile systems. As a prerequisite for DT, scatterer geometric reconstruction (SGR) in propagation environments is essential but typically requires extra sensors such as cameras…

Signal Processing · Electrical Eng. & Systems 2025-10-21 Yubin Luo , Li Yu , Tao Wu , Yuxiang Zhang , Jianhua Zhang

As applications become more distributed to improve user experience and offer higher availability, businesses rely on geographically dispersed datacenters that host such applications more than ever. Dedicated inter-datacenter networks have…

Networking and Internet Architecture · Computer Science 2019-08-30 Mohammad Noormohammadpour

The Quantum Charge-Coupled Device (QCCD) architecture is a modular design to expand trapped-ion quantum computer that relies on the coherent shuttling of qubits across an array of segmented electrodes. Leveraging trapped ions for their long…

Quantum Physics · Physics 2025-05-05 Chenghong Zhu , Xian Wu , Jingbo Wang , Xin Wang

One of the persisting challenges associated with the peaceful use of the atom is monitoring the subsequent radiation. For example, nuclear power plants need environmental monitoring to ensure public trust. While this may be conducted by the…

Instrumentation and Detectors · Physics 2025-06-17 Matthew Niichel , Stylianos Chatzidakis

Trapped-Ion (TI) technology offers potential breakthroughs for Noisy Intermediate Scale Quantum (NISQ) computing. TI qubits offer extended coherence times and high gate fidelity, making them appealing for large-scale NISQ computers.…

Quantum Physics · Physics 2024-02-20 Cheng Chu , Zhenxiao Fu , Yilun Xu , Gang Huang , Hausi Muller , Fan Chen , Lei Jiang

This paper analyzes the spectral efficiency as a function of medium access control (MAC) for large random spreading CDMA random access systems that employ a linear receiver. It is shown that located at higher than the physical layer, MAC…

Information Theory · Computer Science 2016-11-15 Yi Sun

Effective and adaptive interference management is required in next generation wireless communication systems. To address this challenge, Rate-Splitting Multiple Access (RSMA), relying on multi-antenna rate-splitting (RS) at the transmitter…

Signal Processing · Electrical Eng. & Systems 2022-12-21 Rafael Cerna Loli , Onur Dizdar , Bruno Clerckx , Cong Ling

To meet the stringent requirements of next-generation wireless networks, multiple-input multiple-output (MIMO) technology is expected to become massive and pervasive. Unfortunately, this could pose scalability issues in terms of complexity,…

Information Theory · Computer Science 2024-05-28 Davide Dardari

We propose a distributed quantum computing (DQC) architecture in which individual small-sized quantum computers are connected to a shared quantum gate processing unit (S-QGPU). The S-QGPU comprises a collection of hybrid two-qubit gate…

Quantum Physics · Physics 2025-03-24 Shengwang Du , Yufei Ding , Chunming Qiao

This paper introduces a Spiking Diffusion Policy (SDP) learning method for robotic manipulation by integrating Spiking Neurons and Learnable Channel-wise Membrane Thresholds (LCMT) into the diffusion policy model, thereby enhancing…

Robotics · Computer Science 2024-09-18 Zhixing Hou , Maoxu Gao , Hang Yu , Mengyu Yang , Chio-In Ieong