Results 31 to 40 of about 366,927 (296)
Constraints and Recent Solutions of Optical Camera Communication for Practical Applications
Photonics, 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
Capacity evaluation of LoS-optimised and standard MIMO antenna arrays at 5.2 GHz [PDF]
, 2007 In this paper, the channel capacity of MIMO communication systems is evaluated from measurements in a home environment at 5.2 GHz. The capacity performance of a novel line-of-sight (LoS)-optimised antenna array architecture is investigated and compared ...
Nix, AR, Sarris, I
core +2 more sources
JGE, 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
Hybrid Beamforming With Sub-arrayed MIMO Radar: Enabling Joint Sensing and Communication at mmWave Band [PDF]
, 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
IEEE 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
Codebook Design of Dense Small Cell Based on Short-term Channel Information Feedback [PDF]
Jisuanji gongcheng, 2019 The traditional codebook scheme uses Rayleigh fading channel as the model to design codebook,which will lose the gain of Line of Sight(LOS) component in dense small cell channel,and the traditional optimal codeword feedback overhead is large.To solve ...
SHI Zhenyu,LI Linsen
doaj +1 more source
Finding Large Independent Sets in Line of Sight Networks [PDF]
, 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]
, 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
Statistical Characterization and Mitigation of NLOS Errors in UWB Localization Systems [PDF]
, 2011 In this paper some new experimental results about the statistical characterization of the non-line-of-sight (NLOS) bias affecting time-of-arrival (TOA) estimation in ultrawideband (UWB) wireless localization systems are illustrated.
Montorsi, Francesco +2 more
core +1 more source
IEEE AccessNon-Line-of-Sight (NLOS) reception is acknowledged as a primary source of positioning error in Global Navigation Satellite System (GNSS) applications, particularly within dense urban settings. When the direct satellite path is obstructed by buildings and
S. Titouni +8 more
doaj +1 more source