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Impulse Radio Ultra Wide Band (IR-UWB) is a promising technology to address Wireless Sensor Network (WSN) constraints. However, existing network simulation tools do not provide a complete WSN simulation architecture, with the IR-UWB…

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

Integrated sensing and communication (ISAC) has become a promising technology for future communication system. In this paper, we consider a millimeter wave system over high mobility scenario, and propose a novel simultaneous transmission…

Signal Processing · Electrical Eng. & Systems 2024-03-19 Muye Li , Shun Zhang , Yao Ge , Zan Li , Feifei Gao , Pingzhi Fan

Millimeter-wave transceivers use large antenna arrays to form narrow high-directional beams and overcome severe attenuation. Narrow beams require large signaling overhead to be aligned if no prior information about beam directions is…

Signal Processing · Electrical Eng. & Systems 2023-11-16 Mohamed Naguib , Yahia Shabara , Can Emre Koksal

Indoor wireless ranging localization is a promising approach for low-power and high-accuracy localization of wearable devices. A primary challenge in this domain stems from non-line of sight propagation of radio waves. This study tackles a…

Robotics · Computer Science 2023-09-19 Fan Jiang , David Caruso , Ashutosh Dhekne , Qi Qu , Jakob Julian Engel , Jing Dong

Stacked intelligent metasurface (SIM) has emerged as a technology enabling wave domain beamforming through multiple stacked reconfigurable intelligent surfaces (RISs). SIM has been implemented so far with diagonal RIS (D-RIS), while SIM…

Information Theory · Computer Science 2024-05-14 Matteo Nerini , Bruno Clerckx

Patient motion during medical image acquisition causes blurring, ghosting, and distorts organs, which makes image interpretation challenging. Current state-of-the-art algorithms using Generative Adversarial Network (GAN)-based methods with…

Image and Video Processing · Electrical Eng. & Systems 2025-05-12 Andrew Zhang , Hao Wang , Shuchang Ye , Michael Fulham , Jinman Kim

Diffusion models have emerged as powerful generative priors for solving inverse imaging problems. However, their practical deployment is hindered by the substantial computational cost of slow, multi-step sampling. Although Consistency…

Image and Video Processing · Electrical Eng. & Systems 2025-12-04 Amirreza Tanevardi , Pooria Abbas Rad Moghadam , Seyed Mohammad Eshtehardian , Sajjad Amini , Babak Khalaj

The integration of reconfigurable intelligent surfaces (RIS) in wireless environments offers channel programmability and dynamic control over propagation channels, which is expected to play a crucial role in sixth generation (6G) networks.…

Signal Processing · Electrical Eng. & Systems 2025-01-22 Anum Umer , Ivo Müürsepp , Muhammad Mahtab Alam

In this paper we introduce a new Python package, the Pulsar Signal Simulator, or PsrSigSim, which is designed to simulate a pulsar signal from emission at the pulsar, through the interstellar medium, to observation by a radio telescope, and…

High Energy Astrophysical Phenomena · Physics 2021-03-31 Brent J. Shapiro-Albert , Jeffrey S. Hazboun , Maura A. McLaughlin , Michael T. Lam

Radio applications are increasingly being used in urban environments for cellular radio systems and safety applications that use vehicle-vehicle, and vehicle-to-infrastructure. We present a novel ray tracing-based radio propagation…

Signal Processing · Electrical Eng. & Systems 2023-05-16 Ruichen Wang , Dinesh Manocha

In this paper, we propose a three-stage unified channel estimation strategy for reconfigurable intelligent surface (RIS)-aided multi-user (MU) multiple-input multiple-output (MIMO) millimeter wave (mmWave) systems with the existence of the…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Taihao Zhang , Zhendong Peng , Cunhua Pan , Hong Ren , Jiangzhou Wang

Reconfigurable intelligent surface (RIS)-empowered communication, has been considered widely as one of the revolutionary technologies for next generation networks. However, due to the novel propagation characteristics of RISs, underlying…

Information Theory · Computer Science 2023-05-16 Jian Sang , Mingyong Zhou , Jifeng Lan , Boning Gao , Wankai Tang , Xiao Li , Shi Jin , Ertugrul Basar , Cen Li , Qiang Cheng , Tie Jun Cui

Although reconfigurable intelligent surface (RIS) is a promising technology for shaping the propagation environment, it consists of a single-layer structure within inherent limitations regarding the number of beam steering patterns. Based…

Recent advances in mobile robotic platforms like quadruped robots and drones have spurred a demand for deploying visuomotor policies in increasingly dynamic environments. However, the collection of high-quality training data, the impact of…

Robotics · Computer Science 2025-04-29 Yifan Duan , Heng Li , Yilong Wu , Wenhao Yu , Xinran Zhang , Yedong Shen , Jianmin Ji , Yanyong Zhang

Spatial multiplexing (SM) gains in multiple input multiple output (MIMO) cellular networks are limited when used in combination with ultra-dense small cell networks. This limitation is due to large spatial correlation among channel pairs.…

Information Theory · Computer Science 2016-11-15 Amir H. Jafari , Vijay Venkateswaran , David Lopez-Perez , Jie Zhang

With the prevalence of wearable devices, inertial measurement unit (IMU) data has been utilized in monitoring and assessment of human mobility such as human activity recognition (HAR). Training deep neural network (DNN) models for these…

Signal Processing · Electrical Eng. & Systems 2022-02-23 Yujiao Hao , Boyu Wang , Rong Zheng

Reconfigurable Intelligent Surfaces (RISs) are expected to play a pivotal role in future indoor ultra high data rate wireless communications as well as highly accurate three-dimensional localization and sensing, mainly due to their…

Near-space information networks (NSINs) composed of high-altitude platforms (HAPs) and high- and low-altitude unmanned aerial vehicles (UAVs) are a new regime for providing quick, robust, and cost-efficient sensing and communication…

Networking and Internet Architecture · Computer Science 2025-05-13 Xianbin Cao , Xiaoning Su , Peng Yang , Yue Gao , Dapeng Oliver Wu , Tony Q. S. Quek

Due to severe signal attenuation at millimeter-wave (mmWave) frequencies large antenna arrays are required at both base station and user equipment to achieve necessary beamfoming gain and compensate for the signal power loss. The initial…

Signal Processing · Electrical Eng. & Systems 2020-04-06 Veljko Boljanovic , Han Yan , Danijela Cabric

An exact channel impulse response (CIR) for the three-dimensional point-to-sphere absorbing channel under drift has remained unavailable due to symmetry breaking. This letter closes this gap by deriving an exact analytical CIR for a fully…

Information Theory · Computer Science 2026-03-05 Yen-Chi Lee , Ping-Cheng Yeh , Chia-Han Lee