Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Nazar Muhammad Idrees"'
Autor:
Nazar Muhammad Idrees, Zijie Lu, Muhammad Saqlain, Hongqi Zhang, Shiwei Wang, Lu Zhang, Xianbin Yu
Publikováno v:
Micromachines, Vol 13, Iss 2, p 312 (2022)
Convergence of communication and sensing is highly desirable for future wireless systems. This paper presents a converged millimeter-wave system using a single orthogonal frequency division multiplexing (OFDM) waveform and proposes a novel method, ba
Externí odkaz:
https://doaj.org/article/c7dc4575169b49ebb377f83053f6a250
Autor:
Nazar Muhammad Idrees, Zijie Lu, Muhammad Saqlain, Hongqi Zhang, Shiwei Wang, Lu Zhang, Xianbin Yu
Publikováno v:
Journal of Communications and Information Networks. 7:37-47
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing. 58:2937-2946
Induction logging through casing (ILTC) is of significant importance to the evaluation of residual oils. Traditional induction logging fails to work in cased wells due to the shielding effect of metallic casings. To date, the feasibility of ILTC rema
Publikováno v:
2021 IEEE 6th Optoelectronics Global Conference (OGC).
Autor:
Muhammad Saqlain, Xianbin Yu, Shiwei Wang, Hongqi Zhang, Lu Zhang, Nazar Muhammad Idrees, Zijie Lu
Publikováno v:
2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz).
This paper presents an approach to improve the sensing accuracy of an orthogonal frequency division multiplexing (OFDM) waveform, based on estimation of delay/Doppler leakages in the channel matrix. Both simulation and proof-of-concept experiment are
Autor:
Mengyao Qiao, Xianbin Yu, Shilie Zheng, Lu Zhang, Xianmin Zhang, Nazar Muhammad Idrees, Hongqi Zhang, Xiaofeng Jin, Muhammad Saqlain, Shiwei Wang, Zijie Lu
Publikováno v:
Optics express. 29(13)
In this paper, we propose and experimentally demonstrate a photonic scheme based on frequency doubling and photo-mixing to generate dual-chirp signals in the terahertz (THz) band. A broadband dual-chirp THz signal with 28 GHz bandwidth, ranging from
Autor:
Nazar Muhammad Idrees, Zijie Lu, Xianmin Zhang, Shiwei Wang, Shilie Zheng, Xiaofeng Jin, Xianbin Yu
Publikováno v:
IEEE Photonics Technology Letters. 31:881-884
In this letter, we propose and experimentally demonstrate photonic generation and de-chirp processing of terahertz (THz) linear-frequency-modulated (LFM) signals using coherent photonic super-heterodyne based on frequency quadrupling and photo mixing
Autor:
Xianmin Zhang, Zijie Lu, Mengyao Qiao, Xianbin Yu, Hongqi Zhang, Muhammad Saqlain, Lu Zhang, Xiaofeng Jin, Shiwei Wang, Shilie Zheng, Nazar Muhammad Idrees
Publikováno v:
26th Optoelectronics and Communications Conference.
We propose and experimentally demonstrate a terahertz (THz) imaging radar system based on microwave photonics and inverse synthetic aperture technique, achieving a high imaging resolution of 7 mm×7 mm at 324 GHz.
Publikováno v:
2020 Information Communication Technologies Conference (ICTC).
We present improvement to track time-variations in the doubly-selective (DS) channel for orthogonal frequency-division multiplexing (OFDM) systems. The MCE-BEM, a variant of basis expansion model (BEM) based on complex exponentials (CEs), is used to
Autor:
Wei Li, Leif Katsuo Oxenløwe, Nazar Muhammad Idrees, Xiaodan Pang, Xianmin Zhang, Shi Jia, Hao Hu, Lu Zhang, Zijie Lu, Mengyao Qiao, Xianbin Yu, Shiwei Wang
Publikováno v:
Jia, S, Zhang, L, Wang, S, Li, W, Qiao, M, Lu, Z, Idrees, N, Pang, X, Hu, H, Zhang, X, Oxenløwe, L K & Yu, X 2020, ' 2×300 Gbit/s Line Rate PS-64QAM-OFDM THz Photonic-Wireless Transmission ', Journal of Lightwave Technology, vol. 38, no. 17, pp. 4715-4721 . https://doi.org/10.1109/JLT.2020.2995702
The proliferation of wireless broadband services have significantly raised the demand for high data rates. Due to the limited bandwidth of radio frequency (RF) bands that are currently in use for communication purposes, the choice of the ‘Terahertz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aaff25f83e88d3f510f6da13bbfb170c
https://orbit.dtu.dk/en/publications/156e71be-89ae-4f66-bbc0-c1e89a7866a7
https://orbit.dtu.dk/en/publications/156e71be-89ae-4f66-bbc0-c1e89a7866a7