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相关论文: Annealed Langevin Dynamics for Massive MIMO Detect…

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Optimal symbol detection in multiple-input multiple-output (MIMO) systems is known to be an NP-hard problem. Hence, the objective of any detector of practical relevance is to get reasonably close to the optimal solution while keeping the…

信号处理 · 电气工程与系统科学 2022-02-25 Nicolas Zilberstein , Chris Dick , Rahman Doost-Mohammady , Ashutosh Sabharwal , Santiago Segarra

We propose a multiple-input multiple-output (MIMO) detector based on an annealed version of the \emph{underdamped} Langevin (stochastic) dynamic. Our detector achieves state-of-the-art performance in terms of symbol error rate (SER) while…

信号处理 · 电气工程与系统科学 2022-10-28 Nicolas Zilberstein , Chris Dick , Rahman Doost-Mohammady , Ashutosh Sabharwal , Santiago Segarra

The Langevin sampling method relies on an accurate score matching while the existing massive multiple-input multiple output (MIMO) Langevin detection involves an inevitable singular value decomposition (SVD) to calculate the posterior…

信号处理 · 电气工程与系统科学 2024-04-23 Lanxin He , Zheng Wang , Yongming Huang

The discrete nature of transmitted symbols poses challenges for achieving optimal detection in multiple-input multiple-output (MIMO) systems associated with a large number of antennas. Recently, the combination of two powerful machine…

信号处理 · 电气工程与系统科学 2024-12-11 Xingyu Zhou , Le Liang , Jing Zhang , Chao-Kai Wen , Shi Jin

We develop a novel class of MCMC algorithms based on a stochastized Nesterov scheme. With an appropriate addition of noise, the result is a time-inhomogeneous underdamped Langevin equation, which we prove emits a specified target…

计算工程、金融与科学 · 计算机科学 2023-11-29 Duy H. Thai , Alexander L. Young , David B. Dunson

In this paper, we develop an efficient detector for massive multiple-input multiple-output (MIMO) communication systems via penalty-sharing alternating direction method of multipliers (PS-ADMM). Its main content are as follows: first, we…

信号处理 · 电气工程与系统科学 2020-10-15 Quan Zhang , Yongchao Wang

Signal detection in large multiple-input multiple-output (large-MIMO) systems presents greater challenges compared to conventional massive-MIMO for two primary reasons. First, large-MIMO systems lack favorable propagation conditions as they…

信息论 · 计算机科学 2023-08-23 Jiuyu Liu , Yi Ma , Rahim Tafazolli

Multiple-input multiple-output (MIMO) systems will play a crucial role in future wireless communication, but improving their signal detection performance to increase transmission efficiency remains a challenge. To address this issue, we…

网络与互联网体系结构 · 计算机科学 2024-03-08 Junichiro Hagiwara , Kazushi Matsumura , Hiroki Asumi , Yukiko Kasuga , Toshihiko Nishimura , Takanori Sato , Yasutaka Ogawa , Takeo Ohgane

Multiple-input multiple-output (MIMO) technology is essential for the optimal functioning of next-generation wireless networks; however, enhancing its signal-detection performance for improved spectral efficiency is challenging. Here, we…

网络与互联网体系结构 · 计算机科学 2025-11-18 Junichiro Hagiwara , Toshihiko Nishimura , Takanori Sato , Yasutaka Ogawa , Takeo Ohgane

Many applications in mechanical, acoustic, and electronic engineering require estimating complex dynamical models, often represented as additive multi-input multi-output (MIMO) transfer functions with structural constraints. This paper…

系统与控制 · 电气工程与系统科学 2025-05-21 Rodrigo A. González , Maarten van der Hulst , Koen Classens , Tom Oomen

How to efficiently identify multiple-input multiple-output (MIMO) linear parameter-varying (LPV) discrete-time state-space (SS) models with affine dependence on the scheduling variable still remains an open question, as identification…

系统与控制 · 计算机科学 2020-05-11 Pepijn B. Cox , Roland Tóth , Mihály Petreczky

This paper aims to devise a generalized maximum likelihood (ML) estimator to robustly detect signals with unknown noise statistics in multiple-input multiple-output (MIMO) systems. In practice, there is little or even no statistical…

机器学习 · 计算机科学 2021-01-22 Ke He , Le He , Lisheng Fan , Yansha Deng , George K. Karagiannidis , Arumugam Nallanathan

Image denoising is a well-known and well studied problem, commonly targeting a minimization of the mean squared error (MSE) between the outcome and the original image. Unfortunately, especially for severe noise levels, such Minimum MSE…

图像与视频处理 · 电气工程与系统科学 2021-09-01 Bahjat Kawar , Gregory Vaksman , Michael Elad

Optimal symbol detection for multiple-input multiple-output (MIMO) systems is known to be an NP-hard problem. Conventional heuristic algorithms are either too complex to be practical or suffer from poor performance. Recently, several…

信息论 · 计算机科学 2020-02-11 Mathieu Goutay , Fayçal Ait Aoudia , Jakob Hoydis

Optimal symbol detection in multiple-input multiple-output (MIMO) systems is known to be an NP-hard problem. Recently, there has been a growing interest to get reasonably close to the optimal solution using neural networks while keeping the…

信号处理 · 电气工程与系统科学 2021-10-15 Nicolas Zilberstein , Chris Dick , Rahman Doost-Mohammady , Ashutosh Sabharwal , Santiago Segarra

In this paper we explore low-complexity probabilistic algorithms for soft symbol detection in high-dimensional multiple-input multiple-output (MIMO) systems. We present a novel algorithm based on the Expectation Consistency (EC) framework,…

信息论 · 计算机科学 2019-10-03 Javier Cépedes , Pablo M. Olmos , Matilde Sánchez-Fernández , Fernando Pérez-Cruz

We propose a new method called the N-particle underdamped Langevin algorithm for optimizing a special class of non-linear functionals defined over the space of probability measures. Examples of problems with this formulation include…

统计计算 · 统计学 2024-02-07 Qiang Fu , Ashia Wilson

This paper explores the benefit of using some of the machine learning techniques and Big data optimization tools in approximating maximum likelihood (ML) detection of Large Scale MIMO systems. First, large scale MIMO detection problem is…

信息论 · 计算机科学 2018-01-17 Anis Elgabli , Ali Elghariani , Abubakr O. Al-Abbasi , Mark Bell

In this paper we consider a new probability sampling methods based on Langevin diffusion dynamics to resolve the problem of existing Monte Carlo algorithms when draw samples from high dimensional target densities. We extent…

机器学习 · 计算机科学 2025-03-31 Z. Zarezadeh , N. Zarezadeh

In this paper we consider maximum-likelihood (ML) MIMO detection under one-bit quantized observations and binary symbol constellations. This problem is motivated by the recent interest in adopting coarse quantization in massive MIMO…

信息论 · 计算机科学 2021-02-24 Mingjie Shao , Wing-Kin Ma
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