Results 61 to 70 of about 823 (178)

Organic and Metallacages for Chemical Sensing: Progress in Water‐Compatible Systems

open access: yesAdvanced Sensor Research, Volume 5, Issue 3, March 2026.
Supramolecular cages function as three‐dimensional receptors for selective molecular recognition and sensing, and this review outlines design principles for water‐stable architectures, key analyte‐ and medium‐dependent challenges, recent water‐compatible examples (including polymer‐integrated systems), and future opportunities for cage‐based ...
Rabia Zahid   +4 more
wiley   +1 more source

Performance Evaluation of Low-Complexity Algorithms for Orthogonal Time-Frequency Space Modulation

open access: yes, 2020
International audienceData transmission in wireless systems brings numerous challenges, especially when it involves propagating in a multipath scenario over rapidly time-varying channels. In this context, Orthogonal Time-Frequency Space (OTFS) modulation
Mota, João   +3 more
core   +1 more source

Combining Correlative Cryogenic Fluorescence and Electron Microscopy and Correlative Cryogenic Super‐Resolution Fluorescence and X‐Ray Tomography—Novel Complementary 3D Cryo‐Microscopy Across Scales to Reveal Nanoparticle Internalization Into Cancer Cells

open access: yesMicroscopy Research and Technique, Volume 89, Issue 2, Page 260-272, February 2026.
A newly established 3D correlative cryogenic fluorescence microscopy, focused ion beam scanning electron microscopy, and soft x‐ray tomography workflow allowed for enough contrast and resolution to quantify the intracellular uptake of zirconyl‐containing inorganic–organic hybrid nanoparticles as a novel chemotherapeutic drug delivery system into ...
Pavitra Sokke Rudraiah   +7 more
wiley   +1 more source

Orthogonal Time-Frequency-Space (OTFS) and Related Signaling

open access: yesCoRR
The principle of orthogonal time-frequency-space (OTFS) signaling is firstly analyzed, followed by explaining that OTFS embeds another signaling scheme referred to as orthogonal short-time Fourier (OSTF). Then, the relationship among OTFS, OSTF, orthogonal frequency-division multiplexing (OFDM) and single-carrier frequency-division multiple-access (SC ...
openaire   +2 more sources

A comparison of super‐resolution microscopy techniques for imaging tightly packed microcolonies of an obligate intracellular bacterium

open access: yesJournal of Microscopy, Volume 301, Issue 2, Page 187-205, February 2026.
Abstract Conventional optical microscopy imaging of obligate intracellular bacteria is hampered by the small size of bacterial cells, tight clustering exhibited by some bacterial species and challenges relating to labelling such as background from host cells, a lack of validated reagents, and a lack of tools for genetic manipulation.
Alison J. North   +7 more
wiley   +1 more source

The Chemistry of Subphthalocyanines: Synthetic Strategies for their Axial, Peripheral, and Remote Postfunctionalization

open access: yesChemistryEurope, Volume 4, Issue 1, January 2026.
From axial and peripheral reactivity to remote derivatization, the chemical versatility of subphthalocyanines (SubPcs) renders them ideal scaffolds for the design of advanced functional materials. This review assembles the synthetic toolbox, key reaction conditions, and future challenges in SubPc functionalization, guiding the development of next ...
Marta Gómez‐Gómez   +4 more
wiley   +1 more source

Reinforcement Learning for Robust Modulation Classification in Non‐Orthogonal Multiple Access (NOMA) Systems

open access: yesIET Communications, Volume 20, Issue 1, January/December 2026.
This paper proposes a reinforcement learning–based framework for robust modulation classification and resource management in non‐orthogonal multiple access (NOMA) systems. By integrating Q‐learning, deep reinforcement learning, and proximal policy optimisation, the approach enhances spectral efficiency, mitigates interference, and improves ...
Mohammed M. Alammar   +3 more
wiley   +1 more source

Noncoherent Orthogonal Time Frequency Space Modulation

open access: yes
The recently-developed orthogonal time frequency space (OTFS) modulation is capable of transforming the time varying fading of the time-frequency (TF) domain into the time-invariant fading representations of the delay-Doppler (DD) domain. The OTFS system
Schober, Robert   +8 more
core   +1 more source

Closed‐Form Approximation of Average Error Probability With Finite‐Blocklength Coding Over Lognormal Wireless Communication Links

open access: yesIET Communications, Volume 20, Issue 1, January/December 2026.
This work extends the Polyanskiy‐Poor‐Verdu (PPV) framework to lognormal wireless links. Specifically, the paper derives a closed‐form approximation for the average error probability under lognormal distribution, effectively generalizing the PPV analysis beyond the additive white Gaussian noise assumption.
Peng Du, Yuan Zhang
wiley   +1 more source

Comparing GFDM With OFDM for Use in 6G Communication From a New Perspective

open access: yesJournal of Electrical and Computer Engineering, Volume 2026, Issue 1, 2026.
The most important challenges facing 6G communication systems are the large amount of data and low latency as compared to previous generations. Therefore, it has become necessary to use advanced technologies to meet the requirements of 6G wireless communication systems.
Mohammed Azher Therib   +2 more
wiley   +1 more source

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