Results 1 to 10 of about 639,075 (194)

A Conformal Frequency Reconfigurable Antenna with Multiband and Wideband Characteristics [PDF]

Sensors (Basel), 2022
A compact flexible multi-frequency antenna for smart portable and flexible devices is presented. The antenna consists of a coplanar waveguide-fed slotted circular patch connected to a rectangular secondary resonator (stub).
Niamat Hussain, A. Ghaffar, S. Naqvi, Adnan Iftikhar, D. Anagnostou, H. Tran   +5 more
semanticscholar   +2 more sources

Graphene-based Yagi-Uda antenna with reconfigurable radiation patterns [PDF]

AIP Advances, 2016
This paper presents a radiation pattern reconfigurable Yagi-Uda antenna based on graphene operating at terahertz frequencies. The antenna can be reconfigured to change the main beam pattern into two or four different radiation directions.
Yongle Wu, Meijun Qu, Lingxiao Jiao, Yuanan Liu, Zabih Ghassemlooy   +4 more
doaj   +3 more sources

A Pattern Reconfigurable Antenna Using Eight-Dipole Configuration for Energy Harvesting Applications [PDF]

Sensors, 2023
A pattern reconfigurable antenna, composed of eight elements, is proposed for energy harvesting applications. Pattern reconfigurable antennas are a promising technique for harvesting from different wireless sources.
Mohamed Aboualalaa, Hesham A. Mohamed, Thamer A. H. Alghamdi, Moath Alathbah   +3 more
doaj   +2 more sources

Recent Advancement of Wearable Reconfigurable Antenna Technologies: A Review

IEEE Access, 2022
Wireless Body Area Network (WBAN) technology is gaining popularity in personal communication owing to the expanding improvement in wireless technology.
Umar Musa, Shaharil Mohd Shah, Huda A. Majid, Zuhairiah Zainal Abidin, Muhammad Sani Yahya, Suleiman Babani, Zainab Yunusa   +6 more
doaj   +2 more sources

Liquid crystal-based reconfigurable antenna for 5G millimeter-wave [PDF]

Scientific Reports
This paper proposed a frequency reconfigurable antenna that utilizes a multilayer structure of liquid crystal (LC) material. This antenna design incorporates a three-layer stacked structure to create an LC-injected cavity.
Peng Chen, Dan Wang, Lihua Wang, Lu Liu, Zongsheng Gan   +4 more
doaj   +2 more sources

A Radiation-Pattern Reconfigurable Antenna Array for Vehicular Communications [PDF]

Sensors
This paper presents a low-profile reconfigurable antenna array capable of five radiation-pattern modes for vehicular communication applications. The antenna array consists of four antenna elements, each containing four square patches. Exciting one of the
Feng Gao, Hucheng Sun
doaj   +2 more sources

Wide-Angle Scanning Phased Array Antenna using High Gain Pattern Reconfigurable Antenna Elements [PDF]

Sci Rep, 2019
This paper presents a wide-angle scanning phased array antenna using high gain pattern reconfigurable antenna (PRA) elements. Using PRA elements is an attractive solution for wide-angle scanning phased array antennas because the scanning range can be ...
Byungkuon Ahn, In-June Hwang, Kwang-Seok Kim, Soo-Chang Chae, Jong-Won Yu, Han‐Lim Lee   +5 more
semanticscholar   +2 more sources

Negative Index Metamaterial-Based Frequency-Reconfigurable Textile CPW Antenna for Microwave Imaging of Breast Cancer

Sensors, 2022
In this paper, we report the design and development of a metamaterial (MTM)-based directional coplanar waveguide (CPW)-fed reconfigurable textile antenna using radiofrequency (RF) varactor diodes for microwave breast imaging.
Kabir Hossain, Thennarasan Sabapathy, Muzammil Jusoh, Shen-Han Lee, Khairul Shakir Ab Rahman, Muhammad Ramlee Kamarudin   +5 more
doaj   +2 more sources

A Fast Evaluation Method for Electrical Performance of Frequency and Pattern Reconfigurable Microstrip Antenna Based on Electromechanical Coupling

Micromachines, 2022
With the constant increase in communication requirements in modern society, the number and type of antennas on communication platforms have been increasing at an accelerating rate.
Pengying Xu, Xiaoxian Xu, Kabin Lin, Rong Yu, Daxing Zhang, Yan Wang, Zhihai Wang, Kunpeng Yu, Wenzhi Wu, Xiaofei Ma, Congsi Wang   +10 more
doaj   +1 more source

Design and Realization of a Frequency Reconfigurable Antenna with Wide, Dual, and Single-Band Operations for Compact Sized Wireless Applications

Electronics, 2021
This paper presents a compact and simple reconfigurable antenna with wide-band, dual-band, and single-band operating modes. Initially, a co-planar waveguide-fed triangular monopole antenna is obtained with a wide operational frequency band ranging from 4.
W. A. Awan, S. Naqvi, W. Ali, Niamat Hussain, A. Iqbal, H. Tran, M. Alibakhshikenari, E. Limiti   +7 more
semanticscholar   +1 more source