Results 31 to 40 of about 35,656 (222)

Design and Verification of a Massive MIMO Channel Emulator for 5G/6G System Performance Testing

IEEE Journal of Microwaves
Channel emulator plays an essential role in 5G and 6G communication by enabling the reconstruction of wireless channels in a controlled laboratory environment.
Jianghong Xie, Zhengbo Jiang, Jingxin Liu, Jiacheng Yu, Siheng Luo, Chong Guo, Zhang-Cheng Hao, Wei Hong   +7 more
doaj   +1 more source

Telecommunication Systems for Small Satellites Operating at High Frequencies: A Review

Information, 2020
Small Satellites and in particular CubeSats are becoming extremely popular platforms with which to perform space research. They allow for rapid prototyping with considerable cost savings with respect to traditional missions.
Alessandra Babuscia
doaj   +1 more source

Integrated Components and Solutions for High-Speed Short-Reach Data Transmission

Photonics, 2021
According to different transmission distances, application scenarios of a data center mainly include intra- and inter-data center optical interconnects.
Lin Jiang, Lianshan Yan, Anlin Yi, Yan Pan, Bo Zhang, Qianggao Hu, Wei Pan, Bin Luo   +7 more
doaj   +1 more source

Encapsulated Leptin‐Producing Cells Facilitate Entrainment of Circadian Rhythms in Rodents and Nonhuman Primates

Advanced Science, EarlyView.
A clinically translatable cell line can be engineered to produce leptin, encapsulated in biomaterial and safely implanted to produce and deliver the metabolic regulating protein within the body. Implantation of these encapsulated cells decreases the time it takes for mice and non‐human primates to adjust to circadian disruptions similar to those ...
Samantha T. Fleury, Xuanyi Lin, Peter D. Rios, Christopher Olker, Eun Joo Song, Alejandra Cobos Perez, Cody Fell, Daisy Lopez, Ira Joshi, Hafsa Nasir, Cecelia Curtis, Danna Muringi, Kaiyuan Wang, José Oberholzer, Fred W. Turek, Isaac B. Hilton, Jonathan Rivnay, Martha Hotz Vitaterna, Omid Veiseh   +18 more
wiley   +1 more source

The Miniature Optical Communication Transceiver—A Compact, Power-Efficient Lasercom System for Deep Space Nanosatellites

Aerospace, 2018
Optical communication is becoming more prevalent in orbit due to the need for increased data throughput. Nanosatellites, which are satellites that typically weigh less than 10 kg, are also becoming more common due to lower launch costs that enable the ...
Nathan Barnwell, Tyler Ritz, Samantha Parry, Myles Clark, Paul Serra, John W. Conklin   +5 more
doaj   +1 more source

Self‐Sustaining Sensing Systems: Integration Strategies and Signal–Power Matching in Energy‐Harvesting Electronics

Advanced Science, EarlyView.
Energy‐harvesting‐integrated sensors couple ambient energy conversion with sensing, processing, and wireless communication. This review organizes recent progress through integration architectures and operating principles, revisiting co‐packaged, monolithic, and co‐functional designs together with always‐on, event‐driven, and multi‐modal sensing modes ...
Taehyun Park, Ki‐Yoon Park, Yeonho Choi, Dong‐Myeong Shin, Hong‐Joon Yoon, Hocheon Yoo   +5 more
wiley   +1 more source

An X-Band Dual Function Transceiver Utilizing Digital Predistortion for Radar and Communication in 250 nm GaN HEMT

IEEE Access
We present an X-band transceiver with memory polynomial digital predistortion (MP-DPD) and neural network digital predistortion (NN-DPD) for a dual-function radar and communication (DFRC) system targeting 6G FR3 in $0.25\mu $ m GaN High Electron ...
Tae-Hoon Kim, Jun Kwon, Mun-Kyo Lee, Bok-Hyung Lee, Jung-Dong Park   +4 more
doaj   +1 more source

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

Advanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang, Weipeng Wang, Xuan Cong, Shiyu Wang, Gao Li, Sen Gong, Lin Huang, Hongxin Zeng, Yaxin Zhang, Ziqiang Yang   +9 more
wiley   +1 more source

Organic Electrochemical Transistors for Energy‐Autonomous Bioelectronics: Materials, Devices, and System Integration

Advanced Electronic Materials, EarlyView.
This review surveys organic electrochemical transistors as core building blocks for energy‐autonomous bio‐integrated electronics. We outline device physics, OMIEC materials, and electrolyte effects that enable sub‐volt, high‐gain operation, and discuss direct coupling with mechanical, thermal, and optical energy harvesters to realize battery‐free ...
Jonggeun Park, Yeong Joo Jo, Yong Hyun Kwon, Sang‐Woo Kim   +3 more
wiley   +1 more source

Printed Wearable Sweat Rate Sensor for Continuous In Situ Perspiration Measurement

Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.
A wireless wearable sweat rate sensor system is presented, featuring digital 3D direct‐write printing on a flexible substrate with microfluidic layers for continuous, real‐time monitoring. Printed encapsulated metal electrodes are used for capacitance measurements, achieving high sensitivity (0.01 μL min−1) while maintaining a compact and lightweight ...
Mohammad Shafiqul Islam, Sangwon Cha, Md Farhad Hassan, Wenxin Cai, Tahsin Sejat Saniat, Cedar Rose Leach, Yasser Khan   +6 more
wiley   +1 more source