Results 51 to 60 of about 1,668 (208)

Friend, Not Foe: Lowered Tissue Reactivity to Long‐Term Polyimide Implants

Advanced Science, EarlyView.
The choice of optimal neural probe designs remains a major challenge in the field of neurotechnology. This study investigated the biocompatibility of several probe variations, including material, thickness, width, and implantation strategy. It highlights the clear advantage of soft polyimide probes over stiff silicon probes for better device ...
Corinne Orlemann, Laura M. De Santis, Paul Neering, Christian Boehler, Kirti Sharma, Arno Aarts, Tobias Holzhammer, Rik J. J. van Daal, Patrick Ruther, Maria Asplund, Roxana N. Kooijmans, Pieter R. Roelfsema   +11 more
wiley   +1 more source

A geometry‐based stochastic channel model and its application for intelligent reflecting surface assisted wireless communication

IET Communications, 2021
Intelligent reflecting surface (IRS) is a new concept originating from metamaterials, which can achieve beamforming through controllable passive reflecting.
Jian Dang, Shicheng Gao, Yongdong Zhu, Rongbin Guo, Hao Jiang, Zaichen Zhang, Liang Wu, Bingcheng Zhu, Lei Wang   +8 more
doaj   +1 more source

Intelligent Reflecting Surfaces (IRS)-Enhanced Cooperative NOMA: A Contemporary Review

IEEE Access
The integration of intelligent reflecting surfaces (IRS) into cooperative non-orthogonal multiple access (NOMA) systems revolutionizes wireless networks by enhancing signal strength, mitigating interference, and optimizing spectral efficiency. The cooperative NOMA (CNOMA) framework, empowered by IRS technology, further promises enhanced performance ...
Sanjeev Sharma 0001, Amit Kumar Mishra 0001, M. Hemanta Kumar, Kuntal Deka, Vimal Bhatia   +4 more
openaire   +2 more sources

Full‐Stack Architectures for Intelligent Brain‐Computer Interfaces

Advanced Science, EarlyView.
System‐level overview of brain–computer interfaces (BCIs), illustrating the integration of neural signal acquisition, wireless transmission, and adaptive decoding. Advanced electrode, tissue interfaces, energy‐efficient communication, and robust algorithms collectively enable stable signal quality, real‐time processing, and closed‐loop operation ...
Hee Kyu Lee, Hyun Bin Kim, Sang Uk Park, Janghoon Joo, Jinhong Min, Geumbee Lee, Joohoon Kang, Hyoyoung Jeong, Jae‐Young Yoo, Sang Min Won   +9 more
wiley   +1 more source

Intelligent Reflecting Surface Aided Multi-User mmWave Communications for Coverage Enhancement

, 2021
Intelligent reflecting surface (IRS) is envisioned as a promising solution for controlling radio propagation environments in future wireless systems.
Lv, T, Ni, W, Cao, Y
core   +1 more source

An Energy-Efficient Optimization Method for High-Speed Rail Communication Systems Assisted by Intelligent Reflecting Surfaces (IRS)

Applied Sciences, 2023
This paper proposes an intelligent reflecting surface (IRS)-assisted energy efficiency optimization algorithm to address the problem of energy efficiency (EE) degradation in high-speed rail communication systems caused by line-of-sight link blockages between base stations and trains.
Cuiran Li, Yongjie Lu, Jianli Xie, Zepeng Zhang   +3 more
openaire   +2 more sources

Uncertainty‐Aware Deep Ensembles for Robust and Reliable Chemical Sensor Arrays

Advanced Science, EarlyView.
A reliability‐aware electronic nose is developed using photothermally anchored metal‐catalyst decorated metal oxide nanofiber sensor arrays combined with deep ensemble learning. Diverse catalytic nanofiber channels generate gas‐specific response patterns, enabling selective identification and quantification of sulfur‐containing gases.
Sungwoo Eo, Ji‐Hwan Eum, Suk‐Jeong Kwon, Minji Sagong, Dongchan Kim, Dong‐Ha Kim   +5 more
wiley   +1 more source

Intelligent Reflecting Surface Aided Multi-Antenna Secure Transmission

, 2019
In this paper, we propose intelligent reflecting surface (IRS) aided multi-antenna physical layer security. We present a power efficient scheme to design the secure transmit power allocation and the surface reflecting phase shift. It aims to minimize the
Xiao, Pei, Shi, Jia, Hao, Wanming, Chu, Zheng   +3 more
core   +1 more source

A promising technology for 6g wireless networks: Intelligent reflecting surface

, 2021
—The intelligent information society, which is highly digitized, intelligence inspired, and globally data driven, will be deployed in the next decade.
Chen R., Li J., Long W., Moretti M., Zhang W.   +4 more
core   +1 more source

Intelligent Reflecting Surface-Assisted Physical Layer Key Generation with Deep Learning in MIMO Systems

Sensors, 2022
Physical layer secret key generation (PLKG) is a promising technology for establishing effective secret keys. Current works for PLKG mostly study key generation schemes in ideal communication environments with little or even no signal interference.
Shengjie Liu, Guo Wei, Haoyu He, Hao Wang, Yanru Chen, Dasha Hu, Yuming Jiang, Liangyin Chen   +7 more
doaj   +1 more source