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The high time resolution of ultra-wideband (UWB) signals facilitates very precise position estimation in many scenarios, which makes a variety applications possible. This paper reviews the problem of position estimation in UWB systems,…

Information Theory · Computer Science 2008-07-18 S. Gezici , H. V. Poor

In pursuance of integrating Wireless Sensor Networks (WSNs) with other systems, the use of techniques from other fields, such as machine learning and information processing, are becoming more common. Therefore, we faced the problem of…

Networking and Internet Architecture · Computer Science 2014-09-04 Gabriel Martins Dias , Boris Bellalta , Simon Oechsner

One of the main pervasive problems Wireless Sensor Networks (WSN) encounter is to maintain flawless communication sharing and cooperative processing between sensors via radio links to ensure a reliable treatment of information. Many…

Networking and Internet Architecture · Computer Science 2012-06-08 Salim el Khediri , Nejah Nasri , Mounir Samet , Anne Wei , Abdennaceur Kachouri

Starting from the Shannon channel capacity, we propose an IR-UWB channel capacity based on the delay spread for multipath time variant channels. This IR-UWB channel capacity is obtained from the no ISI (Inter Symbol Interference) assumption…

Networking and Internet Architecture · Computer Science 2010-02-03 Aubin Lecointre , Daniela Dragomirescu , Robert Plana

Wireless sensor networks (WSNs) have enabled continuous monitoring of an area of interest (body, room, region, etc.) while eliminating expensive wired infrastructure. Typically in such applications, wireless sensor nodes report the sensed…

Networking and Internet Architecture · Computer Science 2016-07-25 Chayan Sarkar , Vijay S. Rao , R. Venkatesha Prasad

Wireless Sensor Networks (WSNs) are the key components of the emerging Internet-of-Things (IoT) paradigm. They are now ubiquitous and used in a plurality of application domains. WSNs are still domain specific and usually deployed to support…

Networking and Internet Architecture · Computer Science 2016-05-27 Imran Khan , Fatna Belqasmi , Roch Glitho , Noel Crespi , Monique Morrow , Paul Polako

We study a mobile wireless sensor network (MWSN) consisting of multiple mobile sensors or robots. Three key factors in MWSNs, sensing quality, energy consumption, and connectivity, have attracted plenty of attention, but the interaction of…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-06-20 Jun Guo , Hamid Jafarkhani

Wireless sensor networks monitor dynamic environments that change rapidly over time. This dynamic behavior is either caused by external factors or initiated by the system designers themselves. To adapt to such conditions, sensor networks…

Networking and Internet Architecture · Computer Science 2016-08-16 Mohammad Abu Alsheikh , Shaowei Lin , Dusit Niyato , Hwee-Pink Tan

This paper considers a wireless sensor network deployed to sense an environment variable with a known spatial statistical profile. We propose to use the additional information of the spatial profile to improve the sensing range of sensors…

Information Theory · Computer Science 2020-04-29 Kaushlendra Pandey , Abhishek Gupta

We consider the problem of providing a rigorous model for programming wireless sensor networks. Assuming that collisions, packet losses, and errors are dealt with at the lower layers of the protocol stack, we propose a Calculus for Sensor…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Miguel S. Silva , Francisco Martins , Luis Lopes , Joao Barros

The dramatic advances in wireless communications and electronics have enabled the development of Wireless Sensor Networks (WSNs). WSNs consist of many affordable and portable sensor nodes for collecting data from the environment. In this…

Networking and Internet Architecture · Computer Science 2013-10-29 Trang Cao Minh , Boris Bellalta , Simon Oechsner , Ruizhi Liao , Miquel Oliver

Co-simulation offers an integrated approach for modeling the large-scale integration of inverter-based resources (IBRs) into transmission and distribution grids. This paper presents a scalable communication interface design and…

Systems and Control · Electrical Eng. & Systems 2025-02-13 Qi Xiao , Jongha Woo , Lidong Song , Ning Lu , Victor Paduani

Conventional cryptography methods alone are not adequate for secure routing in Wireless Sensor Networks (WSNs). These networks are more vulnerable to security attacks due to their diverse applications, lack of supervision and limitations in…

Networking and Internet Architecture · Computer Science 2014-07-24 Raghu Vamsi. P , Krishna Kant

Wireless Sensor networks (WSN) is an emerging technology and have great potential to be employed in critical situations like battlefields and commercial applications such as building, traffic surveillance, habitat monitoring and smart homes…

Cryptography and Security · Computer Science 2009-09-04 Dr. G. Padmavathi , Mrs. D. Shanmugapriya

This study presents a closed-form solution for localizing and synchronizing an acoustic sensor node with respect to a Wireless Acoustic Sensor Network (WASN). The aim is to allow efficient scaling of a WASN by individually calibrating newly…

Signal Processing · Electrical Eng. & Systems 2023-02-06 Kashyap Patel , Anton Kovalyov , Issa Panahi

In this paper, we investigate the joint cooperative spectrum sensing and access design problem for multi-channel cognitive radio networks. A general heterogeneous setting is considered where the probabilities that different channels are…

Networking and Internet Architecture · Computer Science 2014-04-09 Le Thanh Tan , Long Bao Le

Ultra-wideband (UWB) communication is an emerging wireless technology that promises high data rates over short distances and precise locationing. The large available bandwidth and the constraint of a maximum power spectral density drives a…

Networking and Internet Architecture · Computer Science 2011-11-09 Raul Blazquez , Fred Lee , David Wentzloff , Brian Ginsburg , Johnna Powell , Anantha Chandrakasan

The integration of Reconfigurable Intelligent Surfaces (RIS) in 6G wireless networks offers unprecedented control over communication environments. However, identifying optimal configurations within practical constraints remains a…

Signal Processing · Electrical Eng. & Systems 2024-05-15 Kevin Weinberger , Simon Tewes , Aydin Sezgin

In recent years, there has been a growing interest in multiple access communication systems that spread their transmitted energy over very large bandwidths. These systems, which are referred to as ultra wide-band (UWB) systems, have various…

Information Theory · Computer Science 2016-11-18 E. Fishler , S. Gezici , H. V. Poor

Reconfigurable intelligent surface (RIS) has become a promising technology for enhancing the reliability of wireless communications, which is capable of reflecting the desired signals through appropriate phase shifts. However, the intended…

Signal Processing · Electrical Eng. & Systems 2021-03-03 Bo Yang , Xuelin Cao , Chongwen Huang , Chau Yuen , Lijun Qian , Marco Di Renzo