Results 81 to 90 of about 79,941 (235)

Optical Neuromorphic Technology Catalyzes the Next‐Generation Mobile Communication Technology

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 11, November 2025.
Advancements in optical computing could revolutionize next‐generation wireless communication. The review highlights the role of photonic integrated circuits in implementing neural network operations and discusses their benefits, such as high computational density.
Xiaoxiong Song   +6 more
wiley   +1 more source

Green optical orthogonal frequency-division multiplexing networks

open access: yes, 2014
Orthogonal frequency-division multiplexing (OFDM) has been proposed as an enabling technique for elastic optical networks to support heterogeneous traffic demands by enabling rate and modulation adaptive bandwidth allocation.
T. El-Gorashi   +2 more
semanticscholar   +1 more source

Iterative Per-Vector Equalization for Orthogonal Signal-Division Multiplexing Over Time-Varying Underwater Acoustic Channels

open access: yesIEEE Journal of Oceanic Engineering, 2019
Orthogonal signal-division multiplexing (OSDM) is a promising modulation scheme that provides a generalized framework to unify orthogonal frequency-division multiplexing (OFDM) and single-carrier frequency-domain equalization.
Jing Han   +3 more
semanticscholar   +1 more source

SPICE Modeling of GaN MicroLEDs for Optical Communication

open access: yesJournal of the Society for Information Display, Volume 33, Issue 10, Page 1030-1045, October 2025.
Unified Gallium Nitride (GaN) µLED model: a new small‐signal approach integrated with static models enables accurate circuit‐level simulation of optical links (Figure a). Implemented in SPICE and validated experimentally, the model shows excellent agreement (Figure b), offering a compact and practical tool for next‐generation communication systems ...
Sultan El Badaoui   +9 more
wiley   +1 more source

Key Technologies in Fiber-optic Networks and Its Development Trend

open access: yesKongzhi Yu Xinxi Jishu, 2019
It discussed the key enabling technologies in modern fiber-optic systems, especially the applications of digital signal processing (DSP) technologies for compensating the detrimental effects in the optical fiber. In particular, we showed how the advanced
OUYANG Xing, CHEN Gaohua
doaj  

Multiuser MIMO-OFDM Systems using Subcarrier Hopping

open access: yes, 2006
Recently space division multiple access (SDMA) assisted multiple-input–multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems invoking multiuser detection (MUD) techniques have attracted substantial research interest, which is ...
Hanzo, L, Jiang, M
core   +1 more source

Nonlinear multimode photonics on‐chip

open access: yesNanophotonics, Volume 14, Issue 15, Page 2507-2548, August 2025.
Abstract Nonlinear integrated photonics, which takes advantage of the strong field enhancement in integrated waveguides to boost the efficiency of nonlinear effects, has paved the way for the demonstration of cutting‐edge applications. These achievements have also been made possible by the impressive progress in material engineering and fabrication ...
Valerio Vitali   +10 more
wiley   +1 more source

A new reduced-complexity detection scheme for zero-padded OFDM transmissions

open access: yesEURASIP Journal on Wireless Communications and Networking, 2011
Recently, zero-padding orthogonal frequency division multiplexing (ZP-OFDM) has been proposed as an alternative solution to the traditional cyclic prefix (CP)-OFDM, to ensure symbol recovery regardless of channels nulls.
Eghbali Homa, Muhaidat Sami
doaj  

Flexible Multi-Group Single-Carrier Modulation: Optimal Subcarrier Grouping and Rate Maximization

open access: yes, 2017
Orthogonal frequency division multiplexing (OFDM) and single-carrier frequency domain equalization (SC-FDE) are two commonly adopted modulation schemes for frequency-selective channels. Compared to SC-FDE, OFDM generally achieves higher data rate, but at
Lie, Joni Polili   +3 more
core   +1 more source

Dual‐Band Metasurface‐Based Structured Light Generations for Futuristic Communication Applications

open access: yesSmall Science, Volume 5, Issue 5, May 2025.
This study introduces a single‐cell‐driven dual‐band metasurface platform generating nondiffracting perfect vortex beams for Ultraviolet–Visible wavelengths. The metasurfaces, composed of silicon nitride nanoantennas, maintain high transmission efficiency across dual spectrums.
Muhammad Danial Shafqat   +11 more
wiley   +1 more source

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