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The calculation of disconnected diagram contributions to physical signals is a computationally expensive task in Lattice QCD. To extract the physical signal, the trace of the inverse Lattice Dirac operator, a large sparse matrix, must be…

高能物理 - 格点 · 物理学 2022-12-09 Travis Whyte , Andreas Stathopoulos , Eloy Romero , Kostas Orginos

This paper studies a downlink system that combines orthogonal-time-frequency-space (OTFS) modulation and sparse code multiple access (SCMA) to support massive connectivity in high-mobility environments. We propose a cross-domain receiver…

信息论 · 计算机科学 2023-01-04 Haifeng Wen , Weijie Yuan , Zilong Liu , Shuangyang Li

Orthogonal Time Frequency Space (OTFS) is a novel modulation scheme designed in the Doppler-delay domain to fully exploit time and frequency diversity of general time-varying channels. In this paper, we present a novel discrete-time…

Modeling high-order feature interactions efficiently is a central challenge in click-through rate and conversion rate prediction. Modern industrial recommender systems are predominantly built upon deep learning recommendation models, where…

信息检索 · 计算机科学 2026-02-13 Heng Yu , Xiangjun Zhou , Jie Xia , Heng Zhao , Anxin Wu , Yu Zhao , Dongying Kong

In this paper, we propose a new wireless video communication scheme to achieve high-efficiency video transmission over noisy channels. It exploits the idea of model division multiple access (MDMA) and extracts common semantic features…

多媒体 · 计算机科学 2023-05-26 Zhicheng Bao , Haotai Liang , Chen Dong , Xiaodong Xu , Geng Liu

Quantum crosstalk which stems from unwanted interference of quantum operations with nearby qubits is a major source of noise or errors in a quantum processor. In the context of shared quantum computing, it is challenging to mitigate the…

量子物理 · 物理学 2025-08-18 Haiyue Kang , Benjamin Harper , Muhammad Usman , Martin Sevior

A network of $n$ wireless communication links is considered. Fading is assumed to be the dominant factor affecting the strength of the channels between nodes. The objective is to analyze the achievable throughput of the network when power…

信息论 · 计算机科学 2016-11-17 Masoud Ebrahimi , Mohammad Maddah-Ali , Amir Khandani

The next generation of wireless communication technology is anticipated to address the communication reliability challenges encountered in high-speed mobile communication scenarios. An Orthogonal Time Frequency Space (OTFS) system has been…

信息论 · 计算机科学 2024-06-14 Lifan Wu , Shan Luo , Dongxiao Song , Fan Yang , Rongping Lin

As a new candidate waveform for the next generation wireless communications, orthogonal chirp division multiplexing (OCDM) has attracted growing attention for its ability to achieve full diversity in uncoded transmission, and its robustness…

信息论 · 计算机科学 2024-01-10 Yun Liu , Fei Ji , Miaowen Wen , Hua Qing

Wireless communications over fast fading channels are challenging, requiring either frequent channel tracking or complicated signaling schemes such as orthogonal time frequency space (OTFS) modulation. In this paper, we propose…

信息论 · 计算机科学 2020-11-30 Hongyang Zhang , Xiaojing Huang , J. Andrew Zhang

Differential distributed space-time coding (D-DSTC) technique has been considered for relay networks to provide both diversity gain and high throughput in the absence of channel state information. Conventional differential detection (CDD)…

信息论 · 计算机科学 2014-04-09 M. R. Avendi , Ha H. Nguyen , Nguyen Quoc-Tuan

Increasing the information capacity of communication channels is a pressing need, driven by growing data demands and the consequent impending data crunch with existing modulation schemes. In this regard, mode division multiplexing (MDM),…

Delay-Doppler (DD) signal processing has emerged as a powerful tool for analyzing multipath and time-varying channel effects. Due to the inherent sparsity of the wireless channel in the DD domain, compressed sensing (CS) based techniques,…

信号处理 · 电气工程与系统科学 2024-12-03 Hanning Wang , Xiang Huang , Rong-Rong Chen , Arman Farhang

Multi-Target Multi-Camera (MTMC) vehicle tracking is an essential task of visual traffic monitoring, one of the main research fields of Intelligent Transportation Systems. Several offline approaches have been proposed to address this task;…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Elena Luna , Juan C. SanMiguel , Jose M. Martínez , Marcos Escudero-Viñolo

This paper presents a time-optimal Model Predictive Control (MPC) scheme for linear discrete-time systems subject to multiplicative uncertainties represented by interval matrices. To render the uncertainty propagation computationally…

系统与控制 · 电气工程与系统科学 2026-03-26 Renato Quartullo , Andrea Garulli , Mirko Leomanni

A network of n communication links, operating over a shared wireless channel, is considered. Fading is assumed to be the dominant factor affecting the strength of the channels between transmitter and receiver terminals. It is assumed that…

信息论 · 计算机科学 2016-11-17 Masoud Ebrahimi , Mohammad A. Maddah-Ali , Amir K. Khandani

In this paper we study from a numerical analysis perspective the Fractional Step Kinetic Monte Carlo (FS-KMC) algorithms proposed in [1] for the parallel simulation of spatially distributed particle systems on a lattice. FS-KMC are…

数值分析 · 数学 2012-08-07 Giorgos Arampatzis , Markos A. Katsoulakis , Petr Plechac

In this paper, we investigate the downlink communication challenges in heavy-load Internet-of-Things (IoT) networks supported by frequency-division-duplexing (FDD) millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO)…

信号处理 · 电气工程与系统科学 2025-02-18 Jeongjae Lee , Songnam Hong

Orthogonal time frequency space (OTFS) is a promising alternative to orthogonal frequency division multiplexing (OFDM) for high-mobility communications. We propose a novel multiple-input multiple-output (MIMO) integrated sensing and…

信号处理 · 电气工程与系统科学 2023-06-13 Musa Furkan Keskin , Carina Marcus , Olof Eriksson , Alex Alvarado , Joerg Widmer , Henk Wymeersch

Bayesian inference using Markov Chain Monte Carlo (MCMC) on large datasets has developed rapidly in recent years. However, the underlying methods are generally limited to relatively simple settings where the data have specific forms of…

统计方法学 · 统计学 2020-02-18 Robert Salomone , Matias Quiroz , Robert Kohn , Mattias Villani , Minh-Ngoc Tran