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For many distributed algorithms, neighborhood size is an important parameter. In radio networks, however, obtaining this information can be difficult due to ad hoc deployments and communication that occurs on a collision-prone shared…

分布式、并行与集群计算 · 计算机科学 2018-11-09 Calvin Newport , Chaodong Zheng

Internet of Things (IoT) has triggered a rapid increase in the number of connected devices and new use cases of wireless communications. To meet the new demands, the fifth generation (5G) of wireless communication systems features native…

信号处理 · 电气工程与系统科学 2021-05-28 Leatile Marata , Onel Luis Alcaraz López , Eduardo Noboro Tominaga , Hirley Alves

The wireless channel changes continuously with time and frequency and the block-fading assumption, which is popular in many theoretical analyses, never holds true in practical scenarios. This discrepancy is critical for user activity…

信息论 · 计算机科学 2024-10-23 Jianan Bai , Erik G. Larsson

The technique of cooperative communications is finding its way in the next generations of many wireless communication applications. Due to the distributed nature of cooperative networks, acquiring fading channels information for coherent…

信息论 · 计算机科学 2014-08-18 M. R. Avendi

In this paper, we consider a multi-agent resilient consensus problem, where some of the nodes may behave maliciously. The approach is to equip all nodes with a scheme to detect neighboring nodes when they behave in an abnormal fashion. To…

系统与控制 · 电气工程与系统科学 2021-01-14 Liwei Yuan , Hideaki Ishii

For long, node cooperation has been exploited as a data relaying mechanism. However, the wireless channel allows for much richer interaction between nodes. One such scenario is in a multi-channel environment, where transmitter-receiver…

网络与互联网体系结构 · 计算机科学 2014-11-26 Tie Luo , Mehul Motani , Vikram Srinivasan

Multihop ad hoc wireless networks consist of mobile nodes that communicate with each other without any fixed infrastructure. The nodes in these networks are power constrained, since they operate in limited battery energy. Cooperative…

网络与互联网体系结构 · 计算机科学 2014-06-23 Preetha Theresa Joy , K. Poulose Jacob

Wireless sensor networks are composed of low cost and extremely power constrained sensor nodes which are scattered over a region forming self organized networks, making energy consumption a crucial design issue. Thus, finite network…

网络与互联网体系结构 · 计算机科学 2014-06-11 Manpreet Kaur , Abhilasha

In designing wireless sensor networks, it is important to reduce energy dissipation and prolong network lifetime. In this paper, a new model with energy and monitored objects heterogeneity is proposed for heterogeneous wireless sensor…

网络与互联网体系结构 · 计算机科学 2011-06-01 Tang Liu , Jian Peng , Jin Yang , Chunli Wang

A multi-hop synchronous wirelss network is said to be unknown if the nodes have no knowledge of the topology. A basic task in wireless network is that of broadcasting a message (created by a fixed source node) to all nodes of the network.…

数据结构与算法 · 计算机科学 2007-05-23 Andrea E. F. Clementi , Angelo Monti , Riccardo Silvestri

In this work we study the problem of misbehavior detection in wireless networks. A commonly adopted approach is to utilize the broadcasting nature of the wireless medium and have nodes monitor their neighborhood. We call such nodes the…

密码学与安全 · 计算机科学 2009-10-07 Guanfeng Liang , Nitin Vaidya

Existing information theoretic work in decentralized detection is largely focused on parallel configuration of Wireless Sensor Networks (WSNs), where an individual hard or soft decision is computed at each sensor node and then transmitted…

分布式、并行与集群计算 · 计算机科学 2013-09-09 Yasaman Keshtkarjahromi , Rashid Ansari , Ashfaq Khokhar

In this article we consider the problems of distributed detection and estimation in wireless sensor networks. In the first part, we provide a general framework aimed to show how an efficient design of a sensor network requires a joint…

分布式、并行与集群计算 · 计算机科学 2013-07-08 Sergio Barbarossa , Stefania Sardellitti , Paolo Di Lorenzo

In this paper, we propose a novel multi-channel network with infrastructure support, called an MC-IS network, which has not been studied in the literature. To the best of our knowledge, we are the first to study such an MC-IS network. Our…

网络与互联网体系结构 · 计算机科学 2019-08-26 Hong-Ning Dai , Raymond Chi-Wing Wong , Hao Wang

Community detection is the task of discovering groups of nodes sharing similar patterns within a network. With recent advancements in deep learning, methods utilizing graph representation learning and deep clustering have shown great…

社会与信息网络 · 计算机科学 2022-11-14 E. Dmitriev , M. W. Chekol , S. Wang

The problem of environmental monitoring using a wireless network of chemical sensors with a limited energy supply is considered. Since the conventional chemical sensors in active mode consume vast amounts of energy, an optimisation problem…

社会与信息网络 · 计算机科学 2011-11-07 Alex Skvortsov , Branko Ristic

Multi-channel multi-interface Wireless Mesh Networks permit to spread the load across orthogonal channels to improve network capacity. Although broadcast is vital for many layer-3 protocols, proposals for taking advantage of multiple…

网络与互联网体系结构 · 计算机科学 2011-05-16 Carina Teixeira De Oliveira , Fabrice Theoleyre , Andrzej Duda

In wireless networks, node cooperation has been exploited as a data relaying mechanism for decades. However, the wireless channel allows for much richer interaction among nodes. In particular, Distributed Information SHaring (DISH)…

网络与互联网体系结构 · 计算机科学 2014-11-26 Tie Luo , Vikram Srinivasan , Mehul Motani

Spectrum sensing is an essential enabling functionality for cognitive radio networks to detect spectrum holes and opportunistically use the under-utilized frequency bands without causing harmful interference to legacy networks. This paper…

信息论 · 计算机科学 2016-11-18 Zhi Quan , Shuguang Cui , Ali H. Sayed , H. Vincent Poor

We consider the problem of decentralized hypothesis testing under communication constraints in a topology where several peripheral nodes are arranged in tandem. Each node receives an observation and transmits a message to its successor, and…

信息论 · 计算机科学 2015-06-19 Alla Tarighati , Joakim Jalden