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Wireless network capacity can be regarded as the most important performance metric for wireless communication systems. With the fast development of wireless communication technology, future wireless systems will become more and more…

Information Theory · Computer Science 2022-08-17 Han Hao , Dandan Jiang , Lu Yang , Hao Wu , Bo Bai

In this study, we present a non-contact respiratory anomaly detection method using incoherent light-wave signals reflected from the chest of a mechanical robot that can breathe like human beings. In comparison to existing radar and…

Signal Processing · Electrical Eng. & Systems 2024-06-19 Md Zobaer Islam , Brenden Martin , Carly Gotcher , Tyler Martinez , John F. O'Hara , Sabit Ekin

In recent years, research about monitoring vital signs by smartphones grows significantly. There are some special sensors like Electrocardiogram (ECG) and Photoplethysmographic (PPG) to detect heart rate (HR) and respiration rate (RR).…

Image and Video Processing · Electrical Eng. & Systems 2021-06-08 Jafar Pourbemany , Almabrok Essa , Ye Zhu

Purpose: To develop a fully automatic method for extraction and directionality determination of respiratory signal in free-breathing, real-time (RT) cardiac MRI. Methods: The respiratory signal is extracted by a principal component analysis…

Image and Video Processing · Electrical Eng. & Systems 2020-12-08 Chong Chen , Yingmin Liu , Orlando P. Simonetti , Rizwan Ahmad

We present a variational message passing (VMP) approach to detect the presence of a person based on their respiratory chest motion using multistatic ultra-wideband (UWB) radar. In the process, the respiratory motion is estimated for…

Signal Processing · Electrical Eng. & Systems 2022-11-01 Jakob Möderl , Erik Leitinger , Franz Pernkopf , Klaus Witrisal

Crucial for healthcare and biomedical applications, respiration monitoring often employs wearable sensors in practice, causing inconvenience due to their direct contact with human bodies. Therefore, researchers have been constantly…

Machine Learning · Computer Science 2021-11-17 Tianyue Zheng , Zhe Chen , Shujie Zhang , Chao Cai , Jun Luo

The ability to reliably predict the future quality of a wireless channel, as seen by the media access control layer, is a key enabler to improve performance of future industrial networks that do not rely on wires. Knowing in advance how…

Networking and Internet Architecture · Computer Science 2023-06-16 Gabriele Formis , Stefano Scanzio , Gianluca Cena , Adriano Valenzano

With the ever-increasing demand for high-speed wireless data transmission, beamforming techniques have been proven to be crucial in improving the data rate and the signal-to-noise ratio (SNR) at the receiver. However, they require feedback…

Signal Processing · Electrical Eng. & Systems 2023-12-08 Mrugen Deshmukh , Zinan Lin , Hanqing Lou , Mahmoud Kamel , Rui Yang , Ismail Guvenc

Multiple antenna techniques, that allow energy beamforming, have been looked upon as a possible candidate for increasing the efficiency of the transfer process between the energy transmitter (ET) and the energy receiver (ER) in wireless…

Signal Processing · Electrical Eng. & Systems 2017-12-12 Samith Abeywickrama , Tharaka Samarasinghe , Chin Keong Ho

Sonography techniques use multiple transducer elements for tissue visualization. Signals detected at each element are sampled prior to digital beamforming. The sampling rates required to perform high resolution digital beamforming are…

Information Theory · Computer Science 2013-07-25 Tanya Chernyakova , Yonina C. Eldar

This study demonstrates the feasibility of radar-based non-contact respiratory monitoring for wombats. Two measurement experiments were conducted in June and December 2024 using 79-GHz millimeter-wave radar systems to monitor the…

Signal Processing · Electrical Eng. & Systems 2025-10-30 Marina Murakami , Ryoko Iwase , Chiemi Iba , Daisuke Ogura , Takuya Sakamoto

Monitoring the respiratory rate is crucial for helping us identify respiratory disorders. Devices for conventional respiratory monitoring are inconvenient and scarcely available. Recent research has demonstrated the ability of non-contact…

Robotics · Computer Science 2022-07-27 Haimiao Mo , Shuai Ding , Shanlin Yang , Athanasios V. Vasilakos , Xi Zheng

Motivation: In many fMRI studies, respiratory signals are often missing or of poor quality. Therefore, it could be highly beneficial to have a tool to extract respiratory variation (RV) waveforms directly from fMRI data without the need for…

Machine Learning · Computer Science 2024-05-02 Abdoljalil Addeh , Fernando Vega , Rebecca J. Williams , G. Bruce Pike , M. Ethan MacDonald

This study proposes a method for radar-based identification of individuals using a combination of their respiratory and heartbeat features. In the proposed method, the target individual's respiratory features are extracted using the…

Signal Processing · Electrical Eng. & Systems 2024-12-18 Haruto Kobayashi , Yuji Tanaka , Takuya Sakamoto

Multiple antenna techniques that allow energy beamforming have been looked upon as a possible candidate for increasing the transfer efficiency between the energy transmitter (ET) and the energy receiver (ER) in wireless power transfer. This…

Information Theory · Computer Science 2018-02-14 Samith Abeywickrama , Tharaka Samarasinghe , Chin Keong Ho , Chau Yuen

Waveform sampling systems are used pervasively in the design of front end electronics for radiation detection. The introduction of new feature extraction algorithms (eg. neural networks) to waveform sampling has the great potential to…

Data Analysis, Statistics and Probability · Physics 2021-09-23 Pengcheng Ai , Zhi Deng , Yi Wang , Linmao Li

Millimeter Wave (mm-w), especially the 60 GHz band, has been receiving much attention as a key enabler for the 5G cellular networks. Beamforming (BF) is tremendously used with mm-w transmissions to enhance the link quality and overcome the…

Networking and Internet Architecture · Computer Science 2015-05-22 Ehab Mahmoud Mohamed , Kei Sakaguchi , Seiichi Sampei

Data rate selection algorithms for Wi-Fi devices are an important area of research because they directly impact performance. Most of the proposals are based on measuring the transmission success probability for a given data rate. In dense…

Networking and Internet Architecture · Computer Science 2023-08-10 Wojciech Ciezobka , Maksymilian Wojnar , Katarzyna Kosek-Szott , Szymon Szott , Krzysztof Rusek

We offer a platform for database consultations and/or biomedical images exchanges, adapted to the low rate wireless transmission, and intended for general practitioners or specialists. The goal can be preventive, diagnostic and therapeutic.…

Networking and Internet Architecture · Computer Science 2008-12-18 Jackson Francomme , Gilles Mercier , Sabri Chebira

Breathing rate (BR), minute ventilation (VE), and other respiratory parameters are essential for real-time patient monitoring in many acute health conditions, such as asthma. The clinical standard for measuring respiration, namely…

Signal Processing · Electrical Eng. & Systems 2020-11-26 Ridwan Alam , David B. Peden , John C. Lach
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