Results 31 to 40 of about 77,272 (302)
Journal of Electrical and Computer Engineering, 2018 In most countries, the problems of energy and environment are becoming worse. To deal with the environmental impacts and the dependence on fossil energy, many solutions were proposed.
Haiming Fu +3 more
doaj +1 more source
Performance Evaluation of Integrated Antennas on Photovoltaic Solar Cells [PDF]
Engineering and Technology Journal, 2023 The performance of antennas is critical to ensuring reliable wireless communication and robust data transmission. Unfortunately, antennas’ performance gets degraded when loaded with lossy materials.
Ahmed Al-Alawi +3 more
doaj +1 more source
Modeling of wide-band MIMO radio channels based on NLoS indoor measurements [PDF]
, 2004 Link to published version (if available)
Björn Ottersten +6 more
core +3 more sources
Polygon Shaped 3G Mobile Band Antennas for High Tech Military Uniforms
Advanced Electromagnetics, 2016 Smart Textiles integrated with communicating components have been used in military for many applications. Wearable antenna can be attached or embedded into smart textiles which could be used for communication between combat soldiers in the battlefield ...
M. Krishnan, G. Kannan
doaj +1 more source
A Novel Directional Antenna for Next-Generation Fare Payment System
IEEE Access, 2023 The fare payment system for public transportation has developed from coins, paper tickets, magnetic strips, and pre-paid cards to new technologies such as Radio-Frequency Identification (RFID) and Near Field Communication (NFC). Most fare payment systems
Dong-Jin Lee, Tae-Ki An, In-June Hwang
doaj +1 more source
Overview of 5G terminal antenna structure design
Dianzi Jishu Yingyong, 2021 This article mainly introduces the current status of 5G antennas, and shows several mainstream smart terminal antenna design methods in the past decade. Based on MIMO antenna, frequency resettable antenna and slot antenna, their working modes, principles
Zhao Zhangyuan, Zhu Canyan
doaj +1 more source
International Journal for Research in Applied Science and Engineering Technology, 2022 Abstract: Smart antennas have received increasing interest for improving the performance of wireless radio systems. These systems of antennas include a large number of techniques that attempt to enhance the received signal, suppress all interfering signals, and increase capacity, in general. The main purpose of this article is to provide an overview of
openaire +1 more source
Design of Adaptive Planar Microstrip Patch Array Operating at 28 GHz for 5G Smart Mobile System
Kurdistan Journal of Applied Research, 2019 Smart antenna system has been studied extensively for the fifth generation of wireless communication systems, because it has made a system better performance of higher capacity and coverage as well as of power-saving.
Zhwan Mohammed Rashid +1 more
doaj +1 more source
Vulnerability analysis of satellite-based synchronized smart grids monitoring systems [PDF]
, 2014 The large-scale deployment of wide-area monitoring systems could play a strategic role in supporting the evolution of traditional power systems toward smarter and self-healing grids. The correct operation of these synchronized monitoring systems requires
Ahmed faheem Zobaa +19 more
core +1 more source
A Review of Achieving Frequency Reconfiguration for Antennas in Wireless Communications
Tạp chí Khoa học và Công nghệ, 2023 Reconfigurable antennas are a type of smart antenna that is able to change whose properties, including resonant frequency, polarization, radiation pattern, and a combination of these properties.
Hoang Thi Phuong Thao
doaj +1 more source