中文
相关论文

相关论文: Distributed Computation of A Posteriori Bit Likeli…

200 篇论文

Cell-Free (CF) Massive Multiple-Input Multiple-Output (MaMIMO) is considered one of the leading candidates for enabling next-generation wireless communication. With the growing interest in the Internet of Things (IoT), the Grant-Free (GF)…

信息论 · 计算机科学 2025-08-05 Zilu Zhao , Christian Forsch , Laura Cottatellucci , Dirk Slock

Latent position models are widely used for the analysis of networks in a variety of research fields. In fact, these models possess a number of desirable theoretical properties, and are particularly easy to interpret. However, statistical…

统计计算 · 统计学 2023-03-08 Riccardo Rastelli , Florian Maire , Nial Friel

The performance of Maximum a posteriori (MAP) estimation is studied analytically for binary symmetric multi-channel Hidden Markov processes. We reduce the estimation problem to a 1D Ising spin model and define order parameters that…

统计力学 · 物理学 2015-06-11 Avik Halder , Ansuman Adhikary

This article introduces a novel family of decentralised caching policies, applicable to wireless networks with finite storage at the edge-nodes (stations). These policies, that are based on the Least-Recently-Used replacement principle, are…

网络与互联网体系结构 · 计算机科学 2016-12-14 Anastasios Giovanidis , Apostolos Avranas

In this work new achievable rates are derived, for the uplink channel of a cellular network with joint multicell processing, where unlike previous results, the ideal backhaul network has finite capacity per-cell. Namely, the cell sites are…

信息论 · 计算机科学 2008-06-02 Amichai Sanderovich , Oren Somekh , H. Vincent Poor , Shlomo Shamai

This article introduces an iterative distributed computing estimator for the multinomial logistic regression model with large choice sets. Compared to the maximum likelihood estimator, the proposed iterative distributed estimator achieves…

计量经济学 · 经济学 2024-12-03 Yanqin Fan , Yigit Okar , Xuetao Shi

This paper introduces the {\it particle swarm filter} (not to be confused with particle swarm optimization): a recursive and embarrassingly parallel algorithm that targets an approximation to the sequence of posterior predictive…

统计方法学 · 统计学 2021-02-16 Taylor R. Brown

We present efficient and practical algorithms for a large, distributed system of processors to achieve reliable computations in a secure manner. Specifically, we address the problem of computing a general function of several private inputs…

密码学与安全 · 计算机科学 2021-01-29 Donald Rozinak Beaver

This paper introduces a protocol that distributively constructs a collision-free schedule for multi-hop packet radio networks in the presence of hidden terminals. As a preliminary step, each wireless station computes the schedule length…

网络与互联网体系结构 · 计算机科学 2012-06-21 Jaume Barcelo , Boris Bellalta , Cristina Cano , Azadeh Faridi , Miquel Oliver

This article describes a method for using optimization to derive efficient independent transition functions for Markov chain Monte Carlo simulations. Our interest is in sampling from a posterior density $\pi(x)$ for problems in which the…

统计计算 · 统计学 2022-06-03 Dean S. Oliver

Cooperative spectrum sensing is a robust strategy that enhances the detection probability of primary licensed users. However, a large number of detectors reporting to a fusion center for a final decision causes significant delay and also…

信息论 · 计算机科学 2015-05-28 Laila Hesham , Ahmed Sultan , Mohammed Nafie

We consider decentralized detection through distributed sensors that perform level-triggered sampling and communicate with a fusion center via noisy channels. Each sensor computes its local log-likelihood ratio (LLR), samples it using the…

应用统计 · 统计学 2015-06-05 Yasin Yilmaz , George V. Moustakides , Xiaodong Wang

How can one perform Bayesian inference on stochastic simulators with intractable likelihoods? A recent approach is to learn the posterior from adaptively proposed simulations using neural network-based conditional density estimators.…

机器学习 · 计算机科学 2019-05-21 David S. Greenberg , Marcel Nonnenmacher , Jakob H. Macke

The problem of maximizing weighted sum rates in the downlink of a multicell environment is of considerable interest. Unfortunately, this problem is known to be NP-hard. For the case of multi-antenna base stations and single antenna mobile…

信息论 · 计算机科学 2012-11-12 Le-Nam Tran , Muhammad Fainan Hanif , Antti Tölli , Markku Juntti

Accelerated algorithms for maximum likelihood image reconstruction are essential for emerging applications such as 3D tomography, dynamic tomographic imaging, and other high dimensional inverse problems. In this paper, we introduce and…

统计计算 · 统计学 2012-01-31 Stéphane Chrétien , Alfred O. Hero

In this paper, we disclose the statistical behavior of the max-product algorithm configured to solve a maximum a posteriori (MAP) estimation problem in a network of distributed agents. Specifically, we first build a distributed hypothesis…

信息论 · 计算机科学 2020-04-30 Younes Abdi , Tapani Ristaniemi

Efficient and biologically plausible alternatives to backpropagation in neural network training remain a challenge due to issues such as high computational complexity and additional assumptions about neural networks, which limit scalability…

机器学习 · 计算机科学 2024-03-20 Zeliang Zhang , Jinyang Jiang , Zhuo Liu , Susan Liang , Yijie Peng , Chenliang Xu

Lower and upper probabilities, also known as Choquet capacities, are widely used as a convenient representation for sets of probability distributions. This paper presents a graphical decomposition and exact propagation algorithm for…

人工智能 · 计算机科学 2013-02-18 Lonnie Chrisman

Distributed systems have been widely used in practice to accomplish data analysis tasks of huge scales. In this work, we target on the estimation problem of generalized linear models on a distributed system with nonrandomly distributed…

统计方法学 · 统计学 2020-04-07 Feifei Wang , Danyang Huang , Yingqiu Zhu , Hansheng Wang

Limited capacity of fronthaul links in a cell-free massive multiple-input multiple-output (MIMO) system can cause quantization errors at a central processing unit (CPU) during data transmission, complicating the centralized rate…

信号处理 · 电气工程与系统科学 2024-03-29 Minje Kim , In-soo Kim , Junil Choi