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We study communication over a Gaussian multiple-access channel (MAC) with two types of transmitters: Digital transmitters hold a message from a discrete set that needs to be communicated to the receiver with vanishing error probability.…

信息论 · 计算机科学 2025-04-28 Matthias Frey , Igor Bjelaković , Michael C. Gastpar , Jingge Zhu

Network congestion has become a critical issue for resource constrained Wireless Sensor Networks (WSNs), especially for Wireless Multimedia Sensor Networks (WMSNs)where large volume of multimedia data is transmitted through the network. If…

网络与互联网体系结构 · 计算机科学 2016-11-18 Arpita Chakraborty , Srinjoy Ganguly , Mrinal Kanti Naskar , Anupam Karmakar

This paper proposes a channel access control scheme fit to dense acoustic sensor nodes in a sensor network. In the considered scenario, multiple acoustic sensor nodes within communication range of a cluster head are grouped into clusters.…

分布式、并行与集群计算 · 计算机科学 2015-11-06 Hyun-Gyu Ryu , Sang-Keum Lee , Dongsoo Har

Semantic image segmentation is one of the most challenged tasks in computer vision. In this paper, we propose a highly fused convolutional network, which consists of three parts: feature downsampling, combined feature upsampling and…

计算机视觉与模式识别 · 计算机科学 2018-01-08 Tao Yang , Yan Wu , Junqiao Zhao , Linting Guan

We study the limits of communication efficiency for function computation in collocated networks within the framework of multi-terminal block source coding theory. With the goal of computing a desired function of sources at a sink, nodes…

信息论 · 计算机科学 2016-11-17 Nan Ma , Prakash Ishwar , Piyush Gupta

Objective-The main purpose of this paper is to construct a distributed clustering algorithm such that each distributed cluster can perform the data accuracy at their respective cluster head node before data aggregation and transmit the data…

网络与互联网体系结构 · 计算机科学 2011-01-12 Jyotirmoy Karjee , H. S Jamadagni

This two-part paper presents a feedback-based cross-layer framework for distributed sensing and estimation of a dynamic process by a wireless sensor network (WSN). Sensor nodes wirelessly communicate measurements to the fusion center (FC).…

系统与控制 · 计算机科学 2015-06-23 Nicolo Michelusi , Urbashi Mitra

In recent years, the paradigm of cloud computing has emerged as an architecture for computing that makes use of distributed (networked) computing resources. In this paper, we consider a distributed computing algorithmic scheme for…

最优化与控制 · 数学 2017-09-22 Shi Pu , Alfredo Garcia

This two-part paper presents a feedback-based cross-layer framework for distributed sensing and estimation of a dynamic process by a wireless sensor network (WSN). Sensor nodes wirelessly communicate measurements to the fusion center (FC).…

系统与控制 · 计算机科学 2015-06-23 Nicolo Michelusi , Urbashi Mitra

We consider the basic bidirectional relaying problem, in which two users in a wireless network wish to exchange messages through an intermediate relay node. In the compute-and-forward strategy, the relay computes a function of the two…

信息论 · 计算机科学 2016-11-15 Shashank Vatedka , Navin Kashyap , Andrew Thangaraj

Conventional frequentist learning, as assumed by existing federated learning protocols, is limited in its ability to quantify uncertainty, incorporate prior knowledge, guide active learning, and enable continual learning. Bayesian learning…

信息论 · 计算机科学 2021-08-31 Dongzhu Liu , Osvaldo Simeone

A noisy network coding scheme for sending multiple sources over a general noisy network is presented. For multi-source multicast networks, the scheme naturally extends both network coding over noiseless networks by Ahlswede, Cai, Li, and…

信息论 · 计算机科学 2015-03-13 Sung Hoon Lim , Young-Han Kim , Abbas El Gamal , Sae-Young Chung

This letter proposes a novel distributed compressed estimation scheme for sparse signals and systems based on compressive sensing techniques. The proposed scheme consists of compression and decompression modules inspired by compressive…

信息论 · 计算机科学 2015-02-05 S. Xu , R. C. de Lamare , H. V. Poor

Clustering in wireless sensor networks (WSNs) is an important technique to ease topology management and routing. Clustering provides an effective method for prolonging lifetime of a WSN. This paper proposes energy efficient multi-level…

网络与互联网体系结构 · 计算机科学 2010-05-24 Surender Soni , Narottam Chand

In this paper, we address the scenario where nodes with sensor data are connected in a tree network, and every node wants to compute a given symmetric Boolean function of the sensor data. We first consider the problem of computing a…

信息论 · 计算机科学 2010-05-03 Hemant Kowshik , P. R. Kumar

Gaussian Graphical Models (GGMs) are widely used in high-dimensional data analysis to synthesize the interaction between variables. In many applications, such as genomics or image analysis, graphical models rely on sparsity and clustering…

机器学习 · 统计学 2026-03-25 Do Edmond Sanou , Christophe Ambroise , Geneviève Robin

In this paper, we describe a conceptual design methodology to design distributed neural network architectures that can perform efficient inference within sensor networks with communication bandwidth constraints. The different sensor…

机器学习 · 计算机科学 2022-10-17 Thomas Strypsteen , Alexander Bertrand

Interference is a fundamental feature of the wireless channel. To better understand the role of cooperation in interference management, the two-user Gaussian interference channel where the destination nodes can cooperate by virtue of being…

信息论 · 计算机科学 2011-01-28 Vinod M. Prabhakaran , Pramod Viswanath

In recent years, many researchers have focused on wireless sensor networks and their applications. To obtain scalability potential in these networks most of the nodes are categorized as distinct groups named cluster and the node which is…

网络与互联网体系结构 · 计算机科学 2013-08-16 Sanaz Sadeghi , Behrouz Sadeghi

We investigate the optimal performance of dense sensor networks by studying the joint source-channel coding problem. The overall goal of the sensor network is to take measurements from an underlying random process, code and transmit those…

信息论 · 计算机科学 2007-07-13 Nan Liu , Sennur Ulukus