Results 191 to 200 of about 9,874,780 (237)

Design and Architecture for the ISP Pilot.

This deliverable reports on the outcomes of task 2.2.
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Photocatalytic Water Splitting on the Lunar Surface: Prospects for In Situ Resource Utilization

Advanced Materials Interfaces, EarlyView.
Water has been found in craters on the moon nearby locations which are illuminated >80% of the time. Photocatalysis uses energy from sunlight to drive chemical reactions such as water splitting to produce oxygen and hydrogen. It is a scalable technology that requires lighter equipment and utilizes resources available on the moon. ABSTRACT The discovery
Ranjani Kalyan, Thomas D. Small, Gregory F. Metha, Mahmoud Adel Hamza, Thomas J. O'Dea, Yideng Shen, Cameron J. Shearer   +6 more
wiley   +1 more source

A theoretical model for pilot design

A theoretical model for pilot ...
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Controlled Growth of Boron Nitride in Various Phases

Advanced Materials Interfaces, EarlyView.
Phase‐selective boron nitride growth is presented as a unified materials‐design problem across hexagonal, rhombohedral, cubic, and amorphous phases. By linking synthesis routes to thermodynamic stability, kinetic accessibility, surface diffusion, interfacial templating, and energetic activation, this review clarifies how bonding and stacking are ...
Pan Wu, Kanghao Xie, Jiajie Qi, Xiaorui Zheng, Kaihui Liu, Xuedong Bai, Li Wang   +6 more
wiley   +1 more source

Textile‐Based Capacitive Pressure Sensors Enabled by Ultrasonic Spray‐Coated Carbon Black Electrodes and Electrostatic Flocking

Advanced Materials Interfaces, EarlyView.
A 4‐layer Kevlar‐based composite is fabricated by combining ultrasonic spraying and electrostatic flocking. Carbon black dispersion is first deposited onto Kevlar fabric to create a conductive electrode. Nylon fibers are then electrostatically flocked onto the coated fabric, forming a dielectric layer.
Mengdi Chen, Hongxuan Li, Lei Shi, Fei Huang, Yuting Zhu, Wee Chen Gan, Swee Tiam Tan, Kean Aw   +7 more
wiley   +1 more source

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Staged design of an EOR pilot

International Petroleum Technology Conference, 2009
Abstract Due to the complexity and uncertainty associated with most enhanced oil recovery (EOR) processes, a small-scale pilot is often needed to demonstrate the successful application of an EOR process within a specific reservoir prior to wider commercial implementation.
Bhargaw Adibhatla, Robert Chick Wattenbarger   +1 more
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Pilot Design and Optimization for OTFS Modulation

IEEE Wireless Communications Letters, 2021
Orthogonal time frequency space (OTFS) modulation has shown its advantages in high-mobility scenarios compared to orthogonal frequency division multiplexing. In this work, we focus on the OTFS pilot design and optimization from the perspective of improving the spectrum efficiency without degrading the channel estimation and symbol detection performance.
Siqiang Wang, Jing Guo 0003, Xinyi Wang 0002, Weijie Yuan 0001, Zesong Fei   +4 more
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Pilot design for multi-user MIMO

2009 IEEE International Conference on Acoustics, Speech and Signal Processing, 2009
In this paper, challenges regarding the provision of channel state information (CSI) on a multi-user (MU) MIMO-OFDM downlink are addressed. Reference symbols (pilots) support coherent detection at the receiver and enable link adaptation at the transmitter, but add overhead and consume transmit power.
Gunther Auer, Ivan Cosovic
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Blind Pilot Decontamination With Hierarchical Design

IEEE Communications Letters, 2019
In massive multiple input multiple output systems, the nonlinear channel estimation method has been initially proved to completely eliminate pilot contamination, which is based on spectrum separation theory to remove interference through projecting it onto the subspace of the desired signal. However, in view of the existing system parameters design for
Hairong Wang, Youhua Fu, Jun Zhang 0023
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Coordinated Pilot Design for Massive MIMO

ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2019
Pilot contamination is a main limiting factor in multi-cell massive multiple-input multiple-output (MIMO) systems due to the non-orthogonality of pilot sequences which can seriously impair the channel measurement. Recent work has suggested coordinating pilot sequence design across multiple cells by choosing the sequences to minimize the channel ...
Kaiming Shen, Yonina C. Eldar, Wei Yu 0001   +2 more
openaire   +2 more sources