Results 51 to 60 of about 34,306 (214)

Experimental Study on Shortwave Communication and OTHR Integrated System Based on OFDM Waveform

Leida xuebao, 2012
Based on the recently developed active-passive multifunctional all-digital HF surface wave radar hardware platform of Wuhan University, an experiment study of integrated technology for shortwave communication and Over-The-Horizon Radar (OTHR) application
Shao Qi-hong, Wan Xian-rong, Zhang De-lei, Zhao Zhi-xin, Ke Heng-yu   +4 more
doaj   +1 more source

A Comparison of CP-OFDM, PCC-OFDM and UFMC for 5G Uplink Communications

, 2018
Polynomial-cancellation-coded orthogonal frequency division multiplexing (PCC-OFDM) is a form of OFDM that has waveforms which are very well localized in both the time and frequency domains and so it is ideally suited for use in the 5G network.
Armstrong, Jean, He, Cuiwei, Kongara, Gayathri, Yang, Lei   +3 more
core   +1 more source

SPICE Modeling of GaN MicroLEDs for Optical Communication

Journal 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, Patrick Le Maitre, Anthony Cibié, Julia Simon, Aurélien Lardeau‐Falcy, Jeremy Bilde, Louwenn Cherruault, Manon Arch, Michael Pelissier, Yannis Le Guennec   +9 more
wiley   +1 more source

Orthogonal Chirp Division Multiplexing

, 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 ...
Ouyang, Xing, Zhao, Jian
core   +1 more source

Pengembangan Universal Audio Scrambler Menggunakan Teknik Orthogonal Frequency Division Multiplexing (OFDM)

Jurnal Otomasi Kontrol dan Instrumentasi, 2011
Abstrak Telah didesain sebuah alat universal audio scrambler menggunakan teknik OFDM yaitu suatu teknik modulasi yang menggunakan banyak frekuensi ( multicarrier ) yang saling tegak lurus ( orthogonal ). Teknik ini dilakukan dengan menggunakan transformasi Fourier balik ( Invers Fast Fourier Transform /IFFT) yang mengubah domain frekuensi ...
Maman Budiman, R Riyanto, Y Fitri, A Adnan   +3 more
openaire   +2 more sources

Nonlinear multimode photonics on‐chip

Nanophotonics, 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, Thalía Domínguez Bucio, Hao Liu, Jack Haines, Pooja Uday Naik, Massimiliano Guasoni, Frederic Gardes, Lorenzo Pavesi, Ilaria Cristiani, Cosimo Lacava, Periklis Petropoulos   +10 more
wiley   +1 more source

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

IEEE 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, Daniel Castanheira, Atilio Gameiro, Paulo P. Monteiro   +3 more
doaj   +1 more source

Exact BER Analysis of OFDM Systems Communicating over Frequency-Selective Fading Channels Subjected to Carrier Frequency Offset

, 2007
Orthogonal Frequency Division Multiplexing (OFDM) has been employed in numerous wireless standards. However, the performance of OFDM systems is degraded by both the Carrier Frequency Offset (CFO) and the Phase Estimation Error (PER).
Hanzo, L., Liu, X.
core   +1 more source

Feasibility Study of OFDM-MFSK Modulation Scheme for Smart Metering Technology [PDF]

, 2017
The Orthogonal Frequency Division Multiplexing based M-ary Frequency Shift Keying (OFDM-MFSK) is a noncoherent modulation scheme which merges MFSK with the OFDM waveform.
Al-Juboori, Ghaith, Doufexi, Angela, Nix, Andrew R.   +2 more
core   +3 more sources

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

Small 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, Yujin Park, Nasir Mahmood, Joohoon Kim, Dohyun Kang, Rehan Hafiz, Dongliang Gao, Humberto Cabrera, Muhammad Zubair, Muhammad Qasim Mehmood, Lei Gao, Junsuk Rho   +11 more
wiley   +1 more source