Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Weiwei Hu"'
Publikováno v:
IEEE Transactions on Parallel and Distributed Systems. 32:2953-2969
Finding or monitoring subgraph instances that are isomorphic to a given pattern graph in a data graph is a fundamental query operation in many graph analytic applications, such as network motif mining and fraud detection. Existing distributed methods
Publikováno v:
IEEE Transactions on Industrial Informatics. 17:6182-6191
Mobile crowdsensing (MCS) is an appealing sensing paradigm that leverages the sensing capabilities of smart devices and the inherent mobility of device owners to accomplish sensing tasks with the aim of constructing powerful industrial systems. Incen
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 2, Pp 1-10 (2020)
Optical phased arrays (OPAs) are promising in various applications owing to their excellent beam steering performance but suffer from the random initial phases ruining the beam patterns. In this work, an interference-based calibration method to align
Autor:
Weiwei Hu, Qiang Wang
Publikováno v:
IEEE Wireless Communications Letters. 9:121-124
In this letter, a direction-of-arrival (DOA) estimation method for a uniform-circular-array (UCA) with mutual coupling is presented. Due to the mutual coupling model of UCA, the actual steering vector in the mode domain is considered to correspond to
Autor:
Weiwei Hu
Publikováno v:
IEEE Communications Letters. 23:446-449
In this letter, a direction-of-arrival (DOA) estimation method for the uniform-circular array (UCA) in the presence of gain-phase errors is proposed. Thanks to UCA properties, the virtual steering vector, which is constructed with the Hadamard produc
Autor:
Weiwei Hu
Publikováno v:
IEEE Access. 7:10442-10456
Direction-of-arrival (DOA) estimation in the presence of gain-phase errors for uniform-circular-array (UCA) is addressed in this paper. Thanks to the uniformity and cycle property of UCA, the long data vector constructed with the proper entries of th
Publikováno v:
IEEE Photonics Technology Letters. 29:679-682
In this letter, we propose a ranging estimation scheme for indoor positioning based on high-speed visible light communication (VLC) system. The proposed scheme could provide high accuracy position of the receiver, without affecting the transmission e
Analytical Perspective of Interfering Resonances in High-Index-Contrast Periodic Photonic Structures
Publikováno v:
IEEE Journal of Quantum Electronics. 52:1-9
We investigate the extraordinary behavior of periodic photonic structures within radiation continuum from the perspective of interfering resonance. The coupled-channel equations of both TE-like and TM-like polarizations are reformulated into the simi
Autor:
Weiwei Hu, Zhangyuan Chen, Peng Guo, Tao Sun, Xiaoqi Zhu, Huanfa Peng, Lixin Zhu, Xiaopeng Xie, Cheng Zhang
Publikováno v:
Journal of Lightwave Technology. 33:2707-2715
A dual-loop optoelectronic oscillator (OEO) based on stimulated Brillouin scattering (SBS) is experimentally demonstrated. Two lasers are utilized to realize the tunability of the OEO. One acts as the signal laser, the other is employed as the pump l
Publikováno v:
IEEE Photonics Technology Letters. 26:2260-2263
This letter proposes an imaging receiver scheme for an indoor multiple-input-multiple-output (MIMO) visible light communication (VLC), in which a fisheye lens with ultrawide field-of-view is used for high-quality imaging, so it can realize omnidirect