Zobrazeno 1 - 10
of 6 234
pro vyhledávání: '"Non-line of sight"'
Machine learning-based intelligent localization technique for channel classification in massive MIMO
Publikováno v:
Discover Internet of Things, Vol 4, Iss 1, Pp 1-23 (2024)
Abstract Multiple-input multiple-output (MIMO) technology has been widely adopted in wireless communications, which enables the simultaneous transmission of multiple data streams via multiple transmitting and receiving antennas. In a MIMO system with
Externí odkaz:
https://doaj.org/article/222bcc4f4e914947bb15c623e69cc134
Publikováno v:
Leida xuebao, Vol 13, Iss 4, Pp 791-806 (2024)
Non-Line-Of-Sight (NLOS) 3D imaging radar is an emerging technology that utilizes multipath scattering echoes to detect hidden targets. However, this technology faces challenges such as the separation of multipath echoes, reduction of aperture occlus
Externí odkaz:
https://doaj.org/article/f4383ccb120e442487f1731bebd5c4f3
Publikováno v:
Leida xuebao, Vol 13, Iss 4, Pp 777-790 (2024)
The advancement in the miniaturization technology of Synthetic Aperture Radar (SAR) systems and SAR three-dimensional (3D) imaging has enabled the 3D imaging of urban areas through Unmanned Aerial Vehicle (UAV)-borne array Interferometric SAR (array-
Externí odkaz:
https://doaj.org/article/facc81ac19cf4800a349d6219b3248fb
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 10, Pp 102939- (2024)
The increasing demand for indoor positioning information has led to a growing emphasis on indoor localization. Non-Line-of-Sight (NLOS) conditions diminish the accuracy of Ultra-Wide Band (UWB) system positioning, while over time, Inertial Navigation
Externí odkaz:
https://doaj.org/article/ccaaf3874f6448859d93bc541e35696b
Publikováno v:
Alexandria Engineering Journal, Vol 94, Iss , Pp 104-119 (2024)
Combining inertial navigation system (INS) and ultra-wideband (UWB) technologies can effectively compensate for their respective shortcomings, thus significantly enhancing the accuracy of indoor positioning systems. However, in the process of fusing
Externí odkaz:
https://doaj.org/article/189dd05eafe1427bb002d0702f7fc56a
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 6, Pp 96-102, 135 (2024)
Most existing fusion positioning methods for ultra-wideband (UWB) and pedestrian dead reckoning (PDR) ignore the correction of positioning errors in non line of sight (NLOS) environments. The methods use simple threshold division as the basis for NLO
Externí odkaz:
https://doaj.org/article/6f83dedcfcd44418b6cb5baa97946257
Autor:
Fengxun GONG, Ying ZHANG
Publikováno v:
Dianxin kexue, Vol 40, Pp 83-95 (2024)
In order to explore the diffraction loss caused by non-line-of-sight (NLOS ) propagation caused by obstacles in the airport communication path, the attenuation characteristics of signal field were studied.Firstly, based on the influence of different
Externí odkaz:
https://doaj.org/article/f9926e0def67487fbcc4d4f7aba3ef61
Publikováno v:
Leida xuebao, Vol 13, Iss 1, Pp 23-45 (2024)
The Multipath Exploitation Radar (MER) target detection technology is primarily based on the Non-Line-Of-Sight (NLOS) multipath propagation characteristics of electromagnetic waves, such as reflection and diffraction on the surface of the medium, ena
Externí odkaz:
https://doaj.org/article/7b976c7bf96d4b22bdcb2466fdd0aca7
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 6, Pp 1-6 (2024)
Here we propose a non-line-of-sight (NLOS) tracking scheme using only one single-pixel single-photon channel. It is demonstrated that sending multiple beams with proper time delay enables multiplexing of multi-echoes of the hidden object in the singl
Externí odkaz:
https://doaj.org/article/23588d8ada7f46fbafae791fea6de7d0
Autor:
Shivani Rajendra Teli, Vicente Matus Icaza, Stanislav Vitek, Rafael Perez-Jimenez, Zabih Ghassemlooy, Stanislav Zvanovec
Publikováno v:
IEEE Access, Vol 12, Pp 99137-99148 (2024)
In this paper, we provide a solution based on fast Fourier Transform (FFT) for frequency detection and interference analysis in a non-line-of-sight (NLOS) multiple-input multiple-output (MIMO) optical camera communications (OCC) link. The proposed NL
Externí odkaz:
https://doaj.org/article/cdf4a315e14343dab151c3b63d733006