Results 11 to 20 of about 862,398 (311)

Identifying, nurturing and empowering alternative mobility narratives

, 2022
Publisher Copyright: © 2022Our mainstream mobility thinking is narrowly framed: it highlights the role of mobility in economic and urban growth, individual speed and system efficiency, but obscures its role in reproducing inequalities, and in driving ...
Te Brömmelstroet, Marco, İdil Gaziulusoy, Schmidt-Thome, Kaisa, Bergsma, Bernadette, Antonio Ferreira, Gaziulusoy, Idil, Mladenović, Miloš, Roope Ritvos, Bernadette Bergsma, Miloš N. Mladenović, Sousa, Silvia, Nikolaeva, Anna, Silvia Sousa, Ferreira, Antonio, Anna Nikolaeva, Ritvos, Roope, Marco te Brömmelstroet, Kaisa Schmidt-Thomé   +17 more
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Spectral efficiency of adaptive OFDM systems over high mobility Nakagami-m fading channels

Systems Science & Control Engineering, 2020
In this paper, we investigate the impact of rate and power adaptation (RPA) and rate adaptation (RA) using square M-ary quadrature amplitude modulation (MQAM) on the average spectral efficiency (ASE) of orthogonal frequency division multiplexing (OFDM ...
Xiuyan Zhang, Qiming Sun, Yan Gao
doaj   +1 more source

High mobility III-V MOSFETs for RF and digital applications [PDF]

, 2007
Developments over the last 15 years in the areas of materials and devices have finally delivered competitive III-V MOSFETs with high mobility channels. This paper briefly reviews the above developments, discusses properties of the GdGaO/Ga2O3 MOS systems,
Kalna, K., A. Zlotnicka, Moran, D.A.J., D. Macintyre, H. Zhou, O. Hartin, Asenov, A., Zlotnicka, A., Passlack, M., M. Tutt, X. Li, Y.-B. Park, K. Kalna, Droopad, R., Hartin, O., Fejes, P., J. Abrokwah, E. Johnson, Tutt, M., Abrokwah, J., S. Thoms, A. Asenov, Zurcher, P., Rajagopalan, K., Thoms, S., Park, Y-B, Macintyre, D., D.A.J. Moran, M. Passlack, K. Rajagopalan, Li, X., Thayne, I.G., Zhou, H., P. Fejes, P. Zurcher, I.G. Thayne, R. Droopad, Hill, R.J.W., R.J.W. Hill, Johnson, E.   +39 more
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Influence of Grain Boundary Scattering on the Field-Effect Mobility of Solid-Phase Crystallized Hydrogenated Polycrystalline In₂O₃ (In₂O₃:H)

Nanomaterials, 2022
Hydrogenated polycrystalline In2O3 (In2O3:H) thin-film transistors (TFTs) fabricated via the low-temperature solid-phase crystallization (SPC) process with a field-effect mobility (μFE) exceeding 100 cm2 V−1 s−1 are promising candidates for future ...
Yusaku Magari, Wenchang Yeh, Toshiaki Ina, Mamoru Furuta   +3 more
doaj   +1 more source

Realizing Multi-Gbps Vehicular Communication: Design, Implementation, and Validation

IEEE Access, 2019
This paper proposes a vehicular communication system that can achieve multi-Gbps data rate transmission for train and car applications. Employing a millimeter-wave frequency band around 25 GHz, the proposed system provides mobile backhaul connectivity ...
Gosan Noh, Junhyeong Kim, Heesang Chung, Ilgyu Kim   +3 more
doaj   +1 more source

Increased Mobility in 4H-SiC MOSFETs by Means of Hydrogen Annealing

Crystals, 2022
Enhancement-mode 4H-SiC MOSFETs utilising an aluminium oxide (Al2O3) dielectric without the requirement for an underlying silicon oxide (SiO2) layer have been shown to have a field effect mobility of 150 cm2V−1s−1 and a subthreshold swing of 160 mV/dec ...
Muhammad Idzdihar Idris, Alton Horsfall
doaj   +1 more source

High Mobility Reactive Sputtered Cu_xO Thin Film for Highly Efficient and Stable Perovskite Solar Cells

Crystals, 2021
Copper oxide (CuxO) films are considered to be an attractive hole-transporting material (HTM) in the inverted planar heterojunction perovskite solar cells due to their unique optoelectronic properties, including intrinsic p-type conductivity, high ...
Mohammad Aminul Islam, Yasmin Abdu Wahab, Mayeen Uddin Khandaker, Abdullah Alsubaie, Abdulraheem S. A. Almalki, David A. Bradley, Nowshad Amin   +6 more
doaj   +1 more source

Profuse Channel Estimation and Signal Detection Techniques for Orthogonal Time Frequency Space in 6G Epoch: A Survey

IEEE Access, 2023
Orthogonal time frequency space (OTFS) modulation is a booming multicarrier modulation technique and a promising candidate for achieving quality of services in high mobility scenarios of 5G new radio (NR) and beyond wireless communication systems.
Sundaresan Sabapathy, Jefrin Sharmitha Prabhu, Surendar Maruthu, Dushantha Nalin K. Jayakody   +3 more
doaj   +1 more source

High‐Mobility Fungus‐Triggered Biodegradable Ultraflexible Organic Transistors

Advanced Science, 2022
Biodegradable organic field‐effect transistors (OFETs) have drawn tremendous attention for potential applications such as green electronic skins, degradable flexible displays, and novel implantable devices.
Yahan Yang, Hongying Sun, Xiaoli Zhao, Da Xian, Xu Han, Bin Wang, Shuya Wang, Mingxin Zhang, Cong Zhang, Xiaolin Ye, Yanping Ni, Yanhong Tong, Qingxin Tang, Yichun Liu   +13 more
doaj   +1 more source

Feasibility Validation of a 5G-Enabled mmWave Vehicular Communication System on a Highway

IEEE Access, 2021
In this paper, we present an mmWave-based vehicle-to-infrastructure (V2I) communication system operating at a 22 - 23GHz frequency band, and evaluate its feasibility and effectiveness on an actual highway through a field trial.
Gosan Noh, Junhyeong Kim, Seungnam Choi, Namsuk Lee, Heesang Chung, Ilgyu Kim   +5 more
doaj   +1 more source