Results 11 to 20 of about 168,119,113 (312)
Propagation path loss prediction modelling in enclosed environments for 5G networks: A review
Heliyon, 2022 Millimeter wave path loss modeling is essential for reliable system design and accurate link budget calculations. The motivation for this research is that channel modeling in 5G millimeter wave propagation in an indoor environment is a current research ...
Tolulope T. Oladimeji +2 more
doaj +1 more source
IEEE Access, 2022 Developing ways to affordably deliver broadband connectivity is one of the major issues of our time. In challenging deployment locations with irregular terrain, traditional Clear-Line-Of-Sight (CLOS) wireless links can be uneconomical to deploy, as the ...
Edward J. Oughton +2 more
doaj +1 more source
IEEE Access, 2021 For positioning system based on wireless sensor networks, NLOS errors are one of the main factors to degrade localization performance of an algorithm, about which lots of research results and analysis have been published in previous literatures to ...
Chengwen He, Yunbin Yuan, Bingfeng Tan
doaj +1 more source
Mass hysteria among South African primary school learners in Kwa-Dukuza, KwaZulu-Natal
South African Family Practice, 2010 During August 2002, at a primary school in Kwa-Dukuza, KwaZulu-Natal, 27 children who had been well when they left their homes collapsed at school, displaying tremors and shivers throughout their bodies. Many of the children also presented with abdominal
Indiran Govender
doaj +1 more source
Design of Multi-Missile Cooperative Guidance Law Based on Pulse Engine Characteristics [PDF]
Hangkong bingqi, 2022 Aiming at the design problem of multi-missile cooperative guidance law for attacking high-speed targets, a design method of multi-missile cooperative guidance law based on the working characteristics of pulse engine is proposed.
Pan Hui, Zhang Zhenlin, Guo Chao
doaj +1 more source
上海师范大学学报. 自然科学版, 2017 Based on stochastic geometry theory and probability theory,a fractional frequency reuse strategy was proposed to improve user communication quality by differentiating line-of-sight propagation from non-line-of-sight propagation in ultra-dense small cell ...
Wang Yuwei, Ge Jia, Yu Hui
doaj +1 more source
Non-line-of-sight propagation in object localization: a survey
Gong-kuang zidonghua, 2020 Due to the existence of obstacles, none-line-of-sight(NLOS) propagation is common in localization scenes like mines, which causes refraction, reflection, diffraction and scattering of localization signals, leads to the increase of ranging error, and ...
HU Qingsong +4 more
doaj +1 more source
IEEE Access, 2019 The fifth generation (5G) wireless network technology is set to be standardized by 2020, where the main goals are to improve capacity, reliability, and energy efficiency while reducing latency and massively increasing connection density.
Daniel Peethala +2 more
doaj +1 more source
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