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We present a data compression and dimensionality reduction scheme for data fusion and aggregation applications to prevent data congestion and reduce energy consumption at network connecting points such as cluster heads and gateways. Our…

Networking and Internet Architecture · Computer Science 2014-08-14 Mohammad Abu Alsheikh , Puay Kai Poh , Shaowei Lin , Hwee-Pink Tan , Dusit Niyato

A distributed data collection algorithm to accurately store and forward information obtained by wireless sensor networks is proposed. The proposed algorithm does not depend on the sensor network topology, routing tables, or geographic…

Networking and Internet Architecture · Computer Science 2010-11-15 Salah A. Aly , Ahmed Ali-Eldin , H. Vincent Poor

We study wireless power transmission by an energy source to multiple energy harvesting nodes with the aim to maximize the energy efficiency. The source transmits energy to the nodes using one of the available power levels in each time slot…

Signal Processing · Electrical Eng. & Systems 2021-01-01 Debamita Ghosh , Manjesh K. Hanawal , Nikola Zlatanov

Low harvested energy poses a significant challenge to sustaining continuous communication in energy harvesting (EH)-powered wireless sensor networks. This is mainly due to intermittent and limited power availability from radio frequency…

Information Theory · Computer Science 2025-01-14 Ngoc M. Ngo , Trung T. Nguyen , Phuc H. Nguyen , Van-Dinh Nguyen

One of the main characteristics of Wireless Sensor Networks (WSNs) is the constrained energy resources of their wireless sensor nodes. Although this issue has been addressed in several works and got a lot of attention within the years, the…

Networking and Internet Architecture · Computer Science 2016-07-13 Gabriel Martins Dias , Boris Bellalta , Simon Oechsner

As the number of mobile devices continues to grow, interference has become a major bottleneck in improving data rates in wireless networks. Efficient joint channel and power allocation (JCPA) is crucial for managing interference. In this…

Machine Learning · Computer Science 2025-06-05 Lili Chen , Changyang She , Jingge Zhu , Jamie Evans

In this paper, we present a novel mobile edge computing (MEC) model where the MEC server has the input and output data of all computation tasks and communicates with multiple caching-and-computing-enabled mobile devices via a shared…

Information Theory · Computer Science 2019-01-29 Yaping Sun , Zhiyong Chen , Meixia Tao , Hui Liu

We study the design of sampling trajectories for stable sampling and the reconstruction of bandlimited spatial fields using mobile sensors. The spectrum is assumed to be a symmetric convex set. As a performance metric we use the path…

Information Theory · Computer Science 2016-03-29 Karlheinz Gröchenig , José Luis Romero , Jayakrishnan Unnikrishnan , Martin Vetterli

Federated learning (FL) necessitates that edge devices conduct local training and communicate with a parameter server, resulting in significant energy consumption. A key challenge in practical FL systems is the rapid depletion of…

Machine Learning · Computer Science 2025-06-24 Kai Zhang , Xuanyu Cao , Khaled B. Letaief

Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensors, however, have significant power constraint (battery life), making communication very expensive. Another important issue in the…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Nisheeth Shrivastava , Chiranjeeb Buragohain , Divyakant Agrawal , Subhash Suri

Leveraging massive numbers of sensors in user equipment as well as opportunistic human mobility, mobile crowd sensing (MCS) has emerged as a powerful paradigm, where prolonging battery life of constrained devices and motivating human…

Information Theory · Computer Science 2018-03-06 Xiaoyang Li , Changsheng You , Sergey Andreev , Yi Gong , Kaibin Huang

Future wireless networks will be characterized by heterogeneous traffic requirements. Such requirements can be low-latency or minimum-throughput. Therefore, the network has to adjust to different needs. Usually, users with low-latency…

Networking and Internet Architecture · Computer Science 2020-11-10 Emmanouil Fountoulakis , Nikolaos Pappas , Anthony Ephremides

A quickest change detection problem is considered in a sensor network with observations whose statistical dependency structure across the sensors before and after the change is described by a decomposable graphical model (DGM). Distributed…

Signal Processing · Electrical Eng. & Systems 2021-09-08 Yicheng Chen , Rick S. Blum , Brian M. Sadler

We consider the problem of aggregating data in a dynamic graph, that is, aggregating the data that originates from all nodes in the graph to a specific node, the sink. We are interested in giving lower bounds for this problem, under…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-10-10 Quentin Bramas , Toshimitsu Masuzawa , Sébastien Tixeuil

Space information network (SIN) is an innovative networking architecture to achieve near-real-time mass data observation, processing and transmission over the globe. In the SIN environment, it is essential to coordinate multi-dimensional…

Systems and Control · Electrical Eng. & Systems 2019-07-31 Yu Wang , Min Sheng , Qiang Ye , Shan Zhang , Weihua Zhuang , Jiandong Li

This paper considers a wireless powered communication network (WPCN), where multiple users harvest energy from a dedicated power station and then communicate with an information receiving station. Our goal is to investigate the maximum…

Information Theory · Computer Science 2017-04-12 Qingqing Wu , Meixia Tao , Derrick Wing Kwan Ng , Wen Chen , Robert Schober

Unmanned aerial vehicles (UAVs) are usually dispatched as mobile sinks to assist data collection in large-scale wireless sensor networks (WSNs). However, when considering the limitations of UAV's mobility and communication capabilities in a…

Networking and Internet Architecture · Computer Science 2021-03-02 Xindi Wang , Chi-Tsun Cheng , Lei Deng , Xiaojing Chen , Fu Xiao

Diffusion models are vastly used in generative AI, leveraging their capability to capture complex data distributions. However, their potential remains largely unexplored in the field of resource allocation in wireless networks. This paper…

Systems and Control · Electrical Eng. & Systems 2024-07-23 Amirhassan Babazadeh Darabi , Sinem Coleri

Designing mobiles to harvest ambient energy such as kinetic activities or electromagnetic radiation will enable wireless networks to be self sustaining besides alleviating global warming. In this paper, the spatial throughput of a mobile ad…

Information Theory · Computer Science 2016-11-15 Kaibin Huang

This paper considers the k-sink location problem in dynamic path networks. In our model, a dynamic path network consists of an undirected path with positive edge lengths, uniform edge capacity, and positive vertex supplies. Here, each…

Data Structures and Algorithms · Computer Science 2014-05-23 Yuya Higashikawa , Mordecai J. Golin , Naoki Katoh