Results 51 to 60 of about 66,839 (271)
Full-Duplex Wireless-Powered Communication Network With Energy Causality [PDF]
IEEE Transactions on Wireless Communications, 2015 In this paper, we consider a wireless communication network with a full-duplex hybrid access point (HAP) and a set of wireless users with energy harvesting capabilities. The HAP implements the full-duplex through two antennas: one for broadcasting wireless energy to users in the downlink and one for receiving independent information from users via time-
Kang, Xin, Ho, Chin Keong, Sun, Sumei
openaire +2 more sources
Advanced Functional Materials, EarlyView.This work develops 3D‐printable tribopolymer networks that can enhance triboelectric performance under high humidity environments. Polar hydrophilic functional groups and incorporation of zwitterionic monomers promote bound‐water–dominated interfacial polarization thereby increasing electrical outputs.
Linguangze Zhuo +8 more
wiley +1 more source
Recent Advances in Joint Wireless Energy and Information Transfer
, 2014 In this paper, we provide an overview of the recent advances in microwave-enabled wireless energy transfer (WET) technologies and their applications in wireless communications. Specifically, we divide our discussions into three parts. First, we introduce
Bi, Suzhi, Ho, Chin Keong, Zhang, Rui
core +1 more source
Advanced Functional Materials, EarlyView.Flexible piezoresistive pressure sensors underpin wearable and soft electronics. This review links sensing physics, including contact resistance modulation, quantum tunneling and percolation, to unified materials/structure design. We highlight composite and graded architectures, interfacial/porous engineering, and microstructured 3D conductive networks
Feng Luo +2 more
wiley +1 more source
Advanced Healthcare Materials, EarlyView.Implantable optoelectrical devices are an effective resource for the modulation and monitoring of neural activity with high spatiotemporal resolution. This review discusses current challenges faced by these devices and outlines future perspectives for the development of next‐generation neural interfaces targeting chronic, multisite, and multimodal ...
Stella Aslanoglou +4 more
wiley +1 more source
Secure two-way communication via a wireless powered untrusted relay and friendly jammer
, 2017 In this paper, we propose a self-dependent two-way secure communication where two sources exchange confidential messages via a wireless powered untrusted amplify-and-forward (AF) relay and friendly jammer (FJ).
Kuhestani, Ali +3 more
core +1 more source
Asynchronous Ad Hoc Networks With Wireless Powered Cognitive Communications [PDF]
IEEE Transactions on Cognitive Communications and Networking, 2019 IEEE Transactions on Cognitive Communications and Networking (accepted for publication)
Demarchou, Eleni +5 more
openaire +3 more sources
Advanced Healthcare Materials, EarlyView.This review highlights recent advances in smart face masks that actively monitor breathing. By integrating humidity, gas, temperature, pressure, strain, and triboelectric sensors, these masks track key respiratory parameters in real time. The article summarizes sensor mechanisms, compares performance across studies, and discusses challenges and future ...
Negin Faramarzi +7 more
wiley +1 more source
International Journal of Distributed Sensor Networks, 2017 With the development of wireless sensor networks, many building energy management systems are getting to adopt wireless sensor network as their communication infrastructure.
Kewang Zhang, Qizhao Wu, Xin Li
doaj +1 more source
RF-Powered Cognitive Radio Networks: Technical Challenges and Limitations
, 2015 The increasing demand for spectral and energy efficient communication networks has spurred a great interest in energy harvesting (EH) cognitive radio networks (CRNs).
Al-Qutayri, Mahmoud +4 more
core +1 more source