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Ultra-reliable wireless communication links require the utilization of all diversity sources of a wireless communication channel. Hadani et al. propose a two dimensional discrete symplectic Fourier transform (DSFT) as orthogonal pre-coder…

信息论 · 计算机科学 2019-07-24 Thomas Zemen , Markus Hofer , David Loeschenbrand , Christoph Pacher

A distributed inference scheme which uses bounded transmission functions over a Gaussian multiple access channel is considered. When the sensor measurements are decreasingly reliable as a function of the sensor index, the conditions on the…

分布式、并行与集群计算 · 计算机科学 2015-06-16 Sivaraman Dasarathan , Cihan Tepedelenlioglu

Inter-carrier interference (ICI) poses a significant challenge for OFDM joint radar-communications (JRC) systems in high-mobility scenarios. In this paper, we propose a novel ICI-aware sensing algorithm for MIMO-OFDM JRC systems to detect…

信号处理 · 电气工程与系统科学 2021-03-30 Musa Furkan Keskin , Henk Wymeersch , Visa Koivunen

This paper investigates a channel-coded multiuser system operated with orthogonal frequency-division multiplexing (OFDM) and interleaved division multiple-access (IDMA). To realize the potential advantage of OFDM-IDMA, two challenges must…

信息论 · 计算机科学 2016-11-15 Taotao Wang , Soung Chang Liew

We introduce a new periodicity detection algorithm for binary time series of event onsets, the Gaussian Mixture Periodicity Detection Algorithm (GMPDA). The algorithm approaches the periodicity detection problem to infer the parameters of a…

统计方法学 · 统计学 2022-01-21 Ezekiel Barnett , Olga Kaiser , Jonathan Masci , Ernst Wit , Stephany Fulda

Compactly expressing large-scale datasets through Multivariate Functional Approximations (MFA) can be critically important for analysis and visualization to drive scientific discovery. Tackling such problems requires scalable data…

数值分析 · 数学 2022-10-14 Vijay S. Mahadevan , David Lenz , Iulian Grindeanu , Thomas Peterka

This paper considers the problem of binary distributed detection of a known signal in correlated Gaussian sensing noise in a wireless sensor network, where the sensors are restricted to use likelihood ratio test (LRT), and communicate with…

信息论 · 计算机科学 2016-01-20 Nahal Maleki , Azadeh Vosoughi , Nazanin Rahnavard

Mediation analysis has traditionally focused on outcome-level summary contrasts, such as mean effects, which may obscure substantial distributional changes induced by complex and nonlinear causal mechanisms. We propose Distributional Causal…

机器学习 · 统计学 2026-05-05 Jinlun Zhang , Haoneng Huang , Zishu Zhan , Chunquan Ou

Subject to intricate environmental variables, the precise classification of jamming signals holds paramount significance in the effective implementation of anti-jamming strategies within communication systems. In light of this imperative,…

信号处理 · 电气工程与系统科学 2024-06-27 Xuhui Ding , Yue Zhang , Gaoyang Li , Xiaozheng Gao , Neng Ye , Dusit Niyato , Kai Yang

This paper proposes a novel joint channel-estimation and source-detection algorithm using successive interference cancellation (SIC)-aided generative score-based diffusion models. Prior work in this area focuses on massive MIMO scenarios,…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Sagnik Bhattacharya , Muhammad Ahmed Mohsin , Kamyar Rajabalifardi , John M. Cioffi

The two-user Gaussian interference channel (G-IC) is revisited, with a particular focus on practically amenable discrete input signalling and treating interference as noise (TIN) receivers. The corresponding deterministic interference…

信息论 · 计算机科学 2021-03-18 Min Qiu , Yu-Chih Huang , Jinhong Yuan

Grant-free sparse code multiple access (GF-SCMA) is considered to be a promising multiple access candidate for future wireless networks. In this paper, we focus on characterizing the performance of uplink GF-SCMA schemes in a network with…

信息论 · 计算机科学 2021-03-19 Ke Lai , Jing Lei , Yansha Deng , Lei Wen , Gaojie Chen

In this paper, we propose a turbo receiver for joint activity detection and data decoding in grant-free massive random access, which iterates between a detector and a belief propagation (BP)-based channel decoder. Specifically, responsible…

信号处理 · 电气工程与系统科学 2021-07-21 Xinyu Bian , Yuyi Mao , Jun Zhang

Space Division Multiple Access (SDMA) based Medium Access Control (MAC) protocols have been proposed to enable concurrent communications and improve link throughput in Multi-Input Multi-Output (MIMO) Ad Hoc networks. For the most part, the…

网络与互联网体系结构 · 计算机科学 2010-12-23 Pengkai Zhao

Several self-stabilizing time division multiple access (TDMA) algorithms are proposed for sensor networks. In addition to providing a collision-free communication service, such algorithms enable the transformation of programs written in…

操作系统 · 计算机科学 2008-08-08 Mahesh Arumugam

The conventional grant-based network relies on the handshaking between base station and active users to achieve dynamic multi-user scheduling, which may cost large signaling overheads as well as system latency. To address those problems,…

信号处理 · 电气工程与系统科学 2017-11-27 Fan Wei , Wen Chen , Yongpeng Wu , Jun Ma , Theodoros A. Tsiftsis

When modeling coexpression networks from high-throughput time course data, Pearson Correlation Coefficient (PCC) is one of the most effective and popular similarity functions. However, its reliability is limited since it cannot capture…

分子网络 · 定量生物学 2014-10-17 Samantha Riccadonna , Giuseppe Jurman , Roberto Visintainer , Michele Filosi , Cesare Furlanello

Modern wireless networks must reliably support a wide array of connectivity demands, encompassing various user needs across diverse scenarios. Machine-Type Communication (mMTC) is pivotal in these networks, particularly given the challenges…

机器学习 · 计算机科学 2024-06-12 Ali Elkeshawy , HaÏfa Farès , Amor Nafkha

Change detection (CD) is fundamental to computer vision and remote sensing, supporting applications in environmental monitoring, disaster response, and urban development. Most CD models assume co-registered inputs, yet real-world imagery…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Seyedehanita Madani , Rama Chellappa , Vishal M. Patel

In the study of drug function and precision medicine, identifying new drug-microbe associations is crucial. However, current methods isolate association and similarity analysis of drug and microbe, lacking effective inter-view optimization…

机器学习 · 计算机科学 2025-06-24 Xin An , Ruijie Li , Qiao Ning , Shikai Guo , Hui Li , Qian Ma