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Several researches are focused on the QoS (Quality of Service) and Energy consumption in wireless Multimedia Sensor Networks. Those research projects invest in theory and practice in order to extend the spectrum of use of norms, standards…

Networking and Internet Architecture · Computer Science 2011-11-09 A. A. Boudhir , M. Bouhorma , M. Ben Ahmed , Elbrak Said

This paper presents our approach of the radio interface problematic for Wireless Sensor Network. We introduce the WSN context and constraints associated. We propose an IR-UWB solution and illustrate why it could be a viable solution for…

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

The upper midband, designated as Frequency Range 3 (FR3), is increasingly critical for the next-generation of wireless networks. Channel propagation measurements and their statistical analysis are essential first steps towards this…

Soft noncoherent detection, which relies on calculating the \textit{a posteriori} probabilities (APPs) of the bits transmitted with no channel estimation, is imperative for achieving excellent detection performance in high-dimensional…

Information Theory · Computer Science 2016-10-11 Chanfei Wang , Tiejun Lv , Hui Gao , Shaoshi Yang

We propose a novel method for user-to-user interference (UUI) mitigation in dynamic time-division duplex multiple-input multiple-output communication systems with multi-antenna users. Specifically, we consider the downlink data transmission…

Signal Processing · Electrical Eng. & Systems 2024-08-08 Martin Andersson , Tung T. Vu , Pål Frenger , Erik G. Larsson

In this paper, we investigate ultra-wideband (UWB) localization and tracking in cluttered environments. Instead of mitigating the multipath, we exploit the specular reflections to enhance the localizability and improve the positioning…

Signal Processing · Electrical Eng. & Systems 2024-05-30 Chenglong Li , Zukun Lu , Long Huang , Shaojie Ni , Guangfu Sun , Emmeric Tanghe , Wout Joseph

A bidirectional Ultra-Wideband (UWB) localization scheme is one of the three widely adopted design integration processes commonly used in time-based UWB positioning systems. The key property of bidirectional UWB localization is its ability…

Systems and Control · Electrical Eng. & Systems 2023-12-22 Cung Lian Sang , Michael Adams , Marc Hesse , Ulrich Rückert

Millimeter-wave (mm-Wave) cellular systems are a promising option for a very high data rate communication because of the large bandwidth available at mm-Wave frequencies. Due to the large path-loss exponent in the mm-Wave range of the…

Information Theory · Computer Science 2015-11-06 Saeid Haghighatshoar , Giuseppe Caire

In this paper, a game-theoretic model for studying power control for wireless data networks in frequency-selective multipath environments is analyzed. The uplink of an impulse-radio ultrawideband system is considered. The effects of…

Computer Science and Game Theory · Computer Science 2007-07-13 Giacomo Bacci , Marco Luise , H. Vincent Poor

The main challenge of massive machine-type communications (mMTC) is the joint activity and signal detection of devices. The mMTC scenario with many devices transmitting data intermittently at low data rates and via very short packets…

Information Theory · Computer Science 2020-07-28 R. B. Di Renna , R. C. de Lamare

Navigation in Global Positioning Systems (GPS)-denied environments requires robust estimators reliant on fusion of inertial sensors able to estimate rigid-body's orientation, position, and linear velocity. Ultra-wideband (UWB) and Inertial…

Systems and Control · Electrical Eng. & Systems 2023-08-17 Hashim A. Hashim , Abdelrahman E. E. Eltoukhy , Kyriakos G. Vamvoudakis , Mohammed I. Abouheaf

UWB has a very large bandwidth in a WPAN network, which is best used for HD-video applications. Meanwhile, MBWA is a WMAN option optimized for wireless-IP in a fast moving vehicle. In this paper, we propose a practical engineering scenario…

Information Theory · Computer Science 2013-06-03 Mouhamed Abdulla , Yousef R. Shayan

Massive machine type communication (mMTC) is one of the three fifth generation mobile networking (5G) key usage scenarios, which is characterized by a very large number of connected devices typically transmitting a relatively low volume of…

Signal Processing · Electrical Eng. & Systems 2018-05-11 Feilong Wang , Yuyan Zhang , Hui Zhao , Hanyuan Huang , Jing Li

Efficient and low-latency wireless connectivity between the base station (BS) and a sparse set of sporadically active devices from a massive number of devices is crucial for random access in emerging massive machine-type communications…

Information Theory · Computer Science 2024-04-16 Jyotish Robin , Elza Erkip

Cell-free massive MIMO is one of the core technologies for future wireless networks. It is expected to bring enormous benefits, including ultra-high reliability, data throughput, energy efficiency, and uniform coverage. As a radically…

Information Theory · Computer Science 2023-03-08 Hengtao He , Xianghao Yu , Jun Zhang , S. H. Song , Khaled B. Letaief

We introduce a simple approach for a tunable up-conversion detector. This scheme is relevant for both single photon detection or anywhere where low light levels at telecom wavelengths need to be detected with a high degree of temporal…

Quantum Physics · Physics 2009-11-13 R. T. Thew , H. Zbinden , N. Gisin

In Integrated Sensing and Communication (ISAC) systems, matching the radar targets with communication user equipments (UEs) is functional to several communication tasks, such as proactive handover and beam prediction. In this paper, we…

Networking and Internet Architecture · Computer Science 2024-09-04 Lorenzo Cazzella , Marouan Mizmizi , Dario Tagliaferri , Damiano Badini , Matteo Matteucci , Umberto Spagnolini

Intelligent reflecting surface (IRS) is envisioned as a promising solution for controlling radio propagation environments in future wireless systems. In this paper, we propose a distributed intelligent reflecting surface (IRS) assisted…

Signal Processing · Electrical Eng. & Systems 2020-11-02 Yashuai Cao , Tiejun Lv , Wei Ni

Wireless Power Transfer (WPT) is expected to be a technology reshaping the landscape of low-power applications such as the Internet of Things, Radio Frequency identification (RFID) networks, etc. Although there has been some progress…

Information Theory · Computer Science 2017-10-11 Yang Huang , Bruno Clerckx

Millimeter-accuracy Ultra-Wideband (UWB) positioning systems using the Time Difference Of Arrival (TDOA) algorithm are able to be utilized in military and many other important applications. Previous research on UWB positioning system has…

Information Theory · Computer Science 2013-07-30 Sheng Jiang , Matthew Trinkle , Hongyuan Wang