Results 41 to 50 of about 6,900,681 (167)

Design and Performance Study of Single and Multi-Layered Fractal Based Miniaturized Patch Antennas for 2.4 GHz Applications

Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2021
The design and characterization of single and multi-layered miniaturized microstrip antennas resonating at 2.4 GHz are proposed. The miniaturization is accomplished by fractal Defected Ground Structure (DGS).
Amiya Bhusana Sahoo, Guru Prasad Mishra, Biswa Binayak Mangaraj   +2 more
doaj   +1 more source

Compact Quad‐Port Octagonal‐Shaped MIMO Antenna for n257/n260/n261‐Band Applications

Engineering Reports, Volume 8, Issue 9, September 2026.
A compact quad‐port octagonal MIMO antenna is developed for 5G NR FR2 n257/n260/n261 applications, achieving dual‐band operation, high isolation, low ECC, and strong diversity performance. The design supports high‐speed, low‐latency mm‐wave communication for next‐generation IoT and wireless devices.
Akash Kumar Gupta, Sanjeev Kumar, Sachin Kumar, Qazi Fasihuddin, Zubairuddin Mohammed, Jibitesh Kumar Panda   +5 more
wiley   +1 more source

Conformal and Multi‐Domain Radio Frequency Energy Harvesting System Based on Graphene for Internet of Things Applications

Interdisciplinary Materials, Volume 5, Issue 5, Page 879-888, September 2026.
This study details a multi‐domain graphene assembled film (GAF) based radio frequency (RF) energy harvesting system (GEHS) for Internet of Things (IoT) applications. The GEHS integrates a flexible dual‐band, dual‐polarization, dual‐beam antenna array based on GAF materials with a high‐efficiency rectifier.
Yitong Xin, Rongguo Song, Haoran Zu, Wei Qian, Bo Liu, Wenjun Wang, Yunfa Si, Zhe Wang, Ruixue Zhang, Jiannan Guo, Jingwei Zhang, Boyang Mao, Daping He   +12 more
wiley   +1 more source

Review on Processing Control Strategy for Electrochemical Additive Manufacturing

MetalMat, Volume 3, Issue 3, September 2026.
This review systematically summarizes recent progress in processing control strategies for ECAM, with three key regulation dimensions: current monitoring and closed‐loop control, temperature regulation, and electrolyte flow/nozzle design. The roles of these parameters in governing electrochemical kinetics, mass transport, deposition stability, and ...
Xin Li, Yu Xie, Wangping Wu
wiley   +1 more source

High Performance DGS Integrated Compact Antenna for 2.4/5.2/5.8 GHz WLAN Band [PDF]

Radioengineering, 2017
An application specific tri-band hexagonal microstrip antenna with saw tooth shaped defected ground structure (DGS) is proposed. In this paper, a hexagonal microstrip antenna is designed for 5.2 GHz which is basically WLAN band (5.15–5.35 GHz).
M. Chakraborty, S. Chakraborty, P. S. Reddy, S. Samanta   +3 more
doaj  

Ambient‐Spray Ni–Cu(–O)/Ag Nanowire Transparent Heaters for High‐Temperature Heating and Far‐/Near‐Field EMI Suppression

Advanced Materials Interfaces, Volume 13, Issue 16, 18 August 2026.
A vacuum‐free, ambient‐spray Ni–Cu(–O)/Ag nanowire transparent‐heater platform is realized via conformal junction‐shell engineering and silica–hybrid overcoating, enabling robust high‐temperature heating together with GHz‐band far‐field EMI shielding and near‐field magnetic‐noise attenuation.
Ye Na Heo, Do Il Kim, Hyun Ho Park, Soong Ju Oh, Sang Woo Kim   +4 more
wiley   +1 more source

Parametric studies on effects of defected ground structure (DGS) for dual band bandstop microstrip filter

EPJ Web of Conferences, 2017
A dual-band bandstop microstrip filter is proposed and designed by using microstrip resonator with Defected Ground Structure (DGS). The DGS are placed in the ground plane to obtain high attenuation of the bandstop filter response.
Mahmud Farah Shazuani, Razalli Muhammad Shahrazel, Rahim Hasliza A, Fwen Hoon Wee, Ilyas Mohd Zaizu   +4 more
doaj   +1 more source

Rectangular microstrip patch antenna using u-shaped defected ground structure / Muhammad Syaril Harun [PDF]

, 2013
This thesis presents a rectangular microstrip patch antenna with U-shaped Defected Ground Structure (DGS) structure. The antenna design is suitable for particular wireless communication application such as WiFi and WLAN.
Harun, Muhammad Syaril
core  

Two Element Microstrip Antenna Array with Defected Ground Structure [PDF]

, 2008
Two Element Microstrip Antenna Array with Defected Ground Structure. This paper presents a two element microstrip antenna array using trapezium shape defected ground structure (DGS). The DGS is inserted in the ground plane between two elements of antenna
Rahardjo, Eko Tjipto, Zulkifli, Fitri Yuli, Asvial, Muhamad, Hartanto, Djoko   +3 more
core   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

Advanced Materials Technologies, Volume 11, Issue 13, 8 July 2026.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane, Lyn I. Jones, Richard M. Martin, Helen Winter, Faezeh Arab Hassani   +4 more
wiley   +1 more source