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Cooperative spectrum sensing has been shown to yield a significant performance improvement in cognitive radio networks. In this paper, we consider distributed cooperative sensing (DCS) in which secondary users (SUs) exchange data with one…

Networking and Internet Architecture · Computer Science 2014-08-15 Tianyu Wang , Lingyang Song , Zhu Han , Walid Saad

In this letter, we propose space-time spreading (STS) of local sensor decisions before reporting them over a wireless multiple access channel (MAC), in order to achieve flexible balance between diversity and multiplexing gain as well as…

Signal Processing · Electrical Eng. & Systems 2023-04-06 I. Dey , H. Joshi , N. Marchetti

Estimation problems in wireless sensor networks typically involve gathering and processing data from distributed sensors to infer the state of an environment at the fusion center. However, not all measurements contribute significantly to…

Signal Processing · Electrical Eng. & Systems 2025-04-17 Chen Quan , Geethu Joseph , Nitin Jonathan Myers

Relaying techniques for millimeter-wave wireless networks represent a powerful solution for improving the transmission performance. In this work, we quantify the benefits in terms of delay and throughput for a random-access multi-user…

Networking and Internet Architecture · Computer Science 2019-03-08 Cristian Tatino , Nikolaos Pappas , Ilaria Malanchini , Lutz Ewe , Di Yuan

We study two approaches to distributed compressed sensing for in-network data compression and signal reconstruction at a sink in a wireless sensor network where sensors are placed on a straight line. Communication to the sink is considered…

Information Theory · Computer Science 2015-04-01 Christopher Lindberg , Alexandre Graell i Amat , Henk Wymeersch

The recently proposed sequential distributed detector based on level-triggered sampling operates as simple as the decision fusion techniques and at the same time performs as well as the data fusion techniques. Hence, it is well suited for…

Applications · Statistics 2015-06-12 Yasin Yilmaz , Xiaodong Wang

Knowledge of information about the propagation channel in which a wireless system operates enables better, more efficient approaches for signal transmissions. Therefore, channel state information (CSI) plays a pivotal role in the system…

Information Theory · Computer Science 2018-12-04 Zhiyuan Jiang , Sheng Chen , Andreas F. Molisch , Rath Vannithamby , Sheng Zhou , Zhisheng Niu

We consider a hybrid wireless sensor network with regular and transmit-only sensors. The transmit-only sensors do not have receiver circuit, hence are cheaper and less energy consuming, but their transmissions cannot be coordinated. Regular…

Networking and Internet Architecture · Computer Science 2013-02-05 Bartlomiej Bartek Blaszczyszyn , Bozidar Radunovic

Multi-Link Operation (MLO) in Wi-Fi 7 is expected to tangibly boost throughput while lowering transmission latency at the same time. This is very relevant in industrial scenarios and makes MLO suitable, e.g., to support seamless device…

Networking and Internet Architecture · Computer Science 2024-11-20 Matteo Rosani , Gianluca Cena , Dave Cavalcanti , Valerio Frascolla , Guido Marchetto , Stefano Scanzio

Coverage and connectivity both are important in wireless sensor network (WSN). Coverage means how well an area of interest is being monitored by the deployed network. It depends on sensing model that has been used to design the network…

Information Theory · Computer Science 2014-06-06 Ashraf Hossain , Rashmita Mishra

Wi-Fi sensing can classify human activities because each activity causes unique changes to the channel state information (CSI). Existing WiFi sensing suffers from limited scalability as the system needs to be retrained whenever new…

Signal Processing · Electrical Eng. & Systems 2022-03-07 Guolin Yin , Junqing Zhang , Guanxiong Shen , Yingying Chen

WiFi sensing based on channel state information (CSI) collected from commodity WiFi devices has shown great potential across a wide range of applications, including vital sign monitoring and indoor localization. Existing WiFi sensing…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Ruiqi Kong , He Chen

Localization is a key component of the wireless ecosystem. Machine learning (ML)-based localization using channel state information (CSI) is one of the most popular methods for achieving high-accuracy localization with low cost. However, to…

Signal Processing · Electrical Eng. & Systems 2026-05-08 Yuning Zhang , Lei Chu , Omer Gokalp Serbetci , Jorge Gomez-Ponce , Andreas F. Molisch

Uplink sensing in perceptive mobile networks (PMNs), which uses uplink communication signals for sensing the environment around a base station, faces challenging issues of clock asynchronism and the requirement of a line-of-sight (LOS) path…

Information Theory · Computer Science 2022-11-08 Zhitong Ni , J. Andrew Zhang , Kai Wu , Ren Ping Liu

This paper proposes an energy-efficient counting rule for distributed detection by ordering sensor transmissions in wireless sensor networks. In the counting rule-based detection in an $N-$sensor network, the local sensors transmit binary…

Information Theory · Computer Science 2018-09-12 N. Sriranga , K. G. Nagananda , R. S. Blum , A. Saucan , P. K. Varshney

Wireless Sensor Networks (WSNs) consist of large number of randomly deployed energy constrained sensor nodes. Sensor nodes have ability to sense and send sensed data to Base Station (BS). Sensing as well as transmitting data towards BS…

Networking and Internet Architecture · Computer Science 2013-03-22 N. Javaid , T. N. Qureshi , A. H. Khan , A. Iqbal , E. Akhtar , M. Ishfaq

Urban buildings are extracted from high-resolution Earth observation (EO) images using semantic segmentation networks like U-Net and its successors. Each re-iteration aims to improve performance by employing a denser skip connection…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Bipul Neupane , Jagannath Aryal , Abbas Rajabifard

Caching the content closer to the user equipments (UEs) in heterogenous cellular networks (HetNets) improves user-perceived Quality-of-Service (QoS) while lowering the operators backhaul usage/costs. Nevertheless, under the current…

Information Theory · Computer Science 2019-02-01 M. G. Khoshkholgh , Keivan Navaie , Kang G. Shin , V. C. M. Leung , Halim Yanikomeroglu

Wireless body area network (WBAN) is emerging in the mobile healthcare area to replace the traditional wire-connected monitoring devices. As wireless data transmission dominates power cost of sensor nodes, it is beneficial to reduce the…

Information Theory · Computer Science 2016-06-07 Kai Xu , Yixing Li , Fengbo Ren

Large infrastructure networks (e.g. for transportation and power distribution) require constant monitoring for failures, congestion, and other adversarial events. However, assigning a sensor to every link in the network is often infeasible…

Signal Processing · Electrical Eng. & Systems 2024-01-08 Arnav Burudgunte , Arlei Silva