Results 111 to 120 of about 140,441 (346)

Methods for Controlling Small GTPase Activity

open access: yesChemBioChem, Accepted Article.
Small GTPases comprise a diverse class of signaling proteins in mammalian cells and regulate a variety of cellular processes such as cell growth, cell movement, vesicle formation, and nuclear transport. Due to their involvement in critical cellular pathways, changes in the activation state of small GTPases due to genetic mutations or alterations in ...
Benjamin Faulkner   +3 more
wiley   +1 more source

Parallel-Interference-Cancellation-Assisted Decision-Directed Channel Estimation for OFDM Systems using Multiple Transmit Antennas

open access: yes, 2005
The number of transmit antennas that can be employed in the context of least-squares (LS) channel estimation contrived for orthogonal frequency division multiplexing (OFDM) systems employing multiple transmit antennas is limited by the ratio of the ...
Hanzo, L., Munster, M.
core   +1 more source

An introduction to orthogonal frequency-division multiplexing

open access: yes, 1996
Godkänd; 1997; 20080220 (ysko)
Edfors, Ove   +4 more
openaire   +2 more sources

Non-Orthogonal Multicarrier Waveform for Radar With Communications Systems: 24 GHz GFDM RadCom

open access: yesIEEE Access, 2019
In this paper, we propose the usage of Generalized Frequency Division Multiplexing (GFDM), a non-orthogonal multicarrier waveform for radar. We presented a novel method that cancels the effect of interference caused by the non-orthogonality of GFDM ...
Jessica B. Sanson   +3 more
doaj   +1 more source

Next‐Generation Flexible and Stretchable Vision Systems for Advanced Image Acquisition and Processing

open access: yesFlexTech, EarlyView.
ABSTRACT Robotic vision is essential for enabling intelligent and autonomous systems across diverse applications, including manufacturing, healthcare, autonomous navigation, and surveillance. However, conventional vision systems, which rely on rigid imaging hardware, face challenges such as limited adaptability, high energy consumption, and processing ...
Jinhong Park   +4 more
wiley   +1 more source

Orthogonal Chirp Division Multiplexing [PDF]

open access: yesarXiv, 2016
Chirp waveform plays a significant role in radar and communication systems for its ability of pulse compression and spread spectrum. This paper presents a principle of orthogonally multiplexing a bank of linear chirp waveforms within the same bandwidth. The amplitude and phase of the chirps are modulated for information communication.
arxiv  

Dynamic spectrum allocation in orthogonal frequency-division multiplexing optical networks

open access: yes, 2014
Orthogonal frequency-division multiplexing has emerged as a technology that can meet the requirements of diverse, bandwidth-intensive applications envisioned in future optical networks.
Anwar Alyatama
semanticscholar   +1 more source

Orthogonal Frequency Division Multiplexing and its Applications

open access: yes, 2013
Orthogonal Frequency Division Multiplexing (OFDM) is a multi-carrier modulation technique which is very much popular in new wireless networks of IEEE standard, digital television, audio broadcasting and 4G mobile communications. The main benefit of OFDM over single-carrier schemes is its ability to cope with severe channel conditions without complex ...
Chadha, Ankit   +2 more
openaire   +2 more sources

Receiver design combining iteration detection and ICI compensation for SEFDM

open access: yesEURASIP Journal on Wireless Communications and Networking, 2018
With the rapid development of wireless communication, the spectrum resource becomes rare, and research on utilization of limited spectrum resource becomes more popular, especially in fifth generation (5G) mobile communication system.
Min Jia   +4 more
doaj   +1 more source

The microbiologist's guide to metaproteomics

open access: yesiMeta, EarlyView.
Metaproteomics within the multi‐omics framework provides a comprehensive view of microbial systems by identifying proteins, quantifying their levels, detecting posttranslational modifications (PTMs), mapping protein–protein interactions (PPIs), and localizing proteins.
Tim Van Den Bossche   +31 more
wiley   +1 more source

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