Results 31 to 40 of about 352,858 (282)

Statistical LOS/NLOS Channel Model for Simulations of Next Generation 3GPP Networks

open access: yesElektronika ir Elektrotechnika, 2018
Understanding of line-of-sight and non-line-of-sight (LOS/NLOS) visibility conditions is important for radio wave propagation modeling when selecting empirical path loss model.
Rimvydas Aleksiejunas   +2 more
doaj   +1 more source

Track control algorithm for submarine in the horizontal plane based on model predictive control

open access: yesZhongguo Jianchuan Yanjiu, 2019
[Objectives]This study aims to solve the problem of the track control for submarine in the horizontal plane.[Methods]Firstly,the paper builds dynamics and kinematics model of the submarine in the horizontal plane,then builds the error model of the track ...
Zhang Zichang   +3 more
doaj   +1 more source

Hybrid Beamforming With Sub-arrayed MIMO Radar: Enabling Joint Sensing and Communication at mmWave Band [PDF]

open access: yes, 2018
In this paper, we propose a beamforming design for dual-functional radar-communication (DFRC) systems at the millimeter wave (mmWave) band, where hybrid beamforming and sub-arrayed MIMO radar techniques are jointly exploited.
Liu, Fan, Masouros, Christos
core   +2 more sources

Personal area networks with line-of-sight MIMO operation [PDF]

open access: yes, 2006
In this paper, the results of an on-body, line-of-sight (LOS), multiple-input, multiple-output (MIMO) channel sounding investigation are reported. Transmission takes place between on-body antennas and a uniform linear array, positioned at close range and
Beach, MA   +3 more
core   +2 more sources

Constraints and Recent Solutions of Optical Camera Communication for Practical Applications

open access: yesPhotonics, 2023
Visible light communication (VLC) has emerged as a promising technology for wireless communication due to its advantages of the vast optical spectrum, high energy efficiency, and no electromagnetic interference radiation.
Pinpin Zhang   +6 more
doaj   +1 more source

Finding Large Independent Sets in Line of Sight Networks [PDF]

open access: yes, 2017
Line of Sight (LoS) networks provide a model of wireless communication which incorporates visibility constraints. Vertices of such networks can be embedded in finite d-dimensional grids of size n, and two vertices are adjacent if they share a line of ...
Sangha, P, Zito, M
core   +1 more source

Indoor wireless channel modeling from 2.4 to 24 GHz using a combined E/H-Plane 2D ray tracing method [PDF]

open access: yes, 2004
Future wireless systems are moving to high frequencies for additional bandwidth and frequency reuse. This makes it very important to have accurate and time-efficient models for system planning.
Lu, Dai, Rutledge, David
core   +1 more source

Analysis of Underlaid D2D-Enhanced Cellular Networks: Interference Management and Proportional Fair Scheduler

open access: yesIEEE Access, 2019
Device-to-device (D2D) communications have been proposed as a promising technology to improve network capacity and user experiences in the future mobile networks such as heterogeneous networks with densely deployed small cells, but it has not yet been ...
Junnan Yang   +4 more
doaj   +1 more source

ANALISIS DEFORMASI PERMUKAAN MENGGUNAKAN METODE DInSAR (Differential Interferometry Synthetic Aperture Radar) PADA STUDI KASUS GEMPABUMI LOMBOK PERIODE AGUSTUS 2018

open access: yesJGE, 2020
Lombok is located on the boundary of active tectonic plates, this is what caused the Lombok Earthquake on August, 2018. DInSAR is a remote sensing technology that utilizes radar satellites to measure the amount of deformation on the surface of the ground
Muhammad Fikri Azhari   +3 more
doaj   +1 more source

2GHz MIMO channel model from experimental outdoor data analysis in UMTS [PDF]

open access: yes, 2003
The key objective of this work was to obtain a MIMO model for a line of sight (LOS) channel component as well as the covariance matrix for a non-LOS deployment.
Beach, MA   +4 more
core   +2 more sources

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