Search
Now showing items 51-60 of 101
Multi-band printed antenna for portable wireless communication applications
(Electromagnetics Academy, 2019)
A compact, triple-band (WiMAX, WLAN and X-Band uplink satellite communication) monopole antenna is reported in this paper. The geometry of the proposed antenna consists of a pentagon-shaped patch along with symmetrical ...
Electromagnetic bandgap backed millimeter-wave MIMO antenna for wearable applications
(IEEE., 2019)
A millimeter-wave (mm-Wave) multiple input multiple output (MIMO) antenna operating at 24 GHz (ISM band), suitable for wearable applications, is proposed in this paper. The proposed MIMO antenna consists of two elements, ...
Slot-DRA-based independent dual-band hybrid antenna for wearable biomedical devices
(IEEE., 2019)
A hybrid dual-band antenna, consisting of an L-shaped radiating slot and a cylindrical dielectric resonator antenna (CDRA) is proposed, simulated and experimentally validated in this paper. The microstrip transmission line ...
Yet efficient routing protocols for half- and full-duplex cognitive radio Ad-Hoc Networks over IoT environment
(Academic Press, 2021)
For the sake of fulfilling the ever-increasing demands on the Internet of Things (IoT) applications, researchers are implementing Cognitive Radio (CR) technology in Ad-Hoc Networks (AHNs). Moreover, In-Band Full-Duplex ...
A compact UWB antenna with independently controllable notch bands
(MDPI AG., 2019)
A minimally-sized, triple-notched band ultra-wideband (UWB) antenna, useful for many applications, is designed, analyzed, and experimentally validated in this paper. A modified maple leaf-shaped main radiating element with ...
Cylindrical dielectric resonator antenna-based sensors for liquid chemical detection
(MDPI AG., 2019)
A compact, cylindrical dielectric resonator antenna (CDRA), using radio frequency signals to identify different liquids is proposed in this paper. The proposed CDRA sensor is excited by a rectangular slot through a 3-mm-wide ...
Low-profile frequency reconfigurable antenna for heterogeneous wireless systems
(MDPI AG., 2019)
A low-profile (0.21λg× 0.35λg× 0.02λg ) and a simply-structured frequency-switchable antenna with eight frequency choices is presented in this paper. The radiating structure (monopole) is printed on a 1.6-mm thicker, ...
A frequency reconfigurable U-shaped antenna for dual-band WIMAX/WLAN systems
(Electromagnetics Academy, 2018)
A novel frequency reconfigurable antenna is proposed for WiMAX and WLAN applications. It has a simple structure and compact size of 0.44λg × 0.37λg. The proposed approach is based on utilizing of a double planar U-shaped ...
Frequency and pattern reconfigurable antenna for emerging wireless communication systems
(MDPI AG., 2019)
A printed and minimal size antenna having the functionality of frequency shifting as well as pattern reconfigurability is presented in this work. The antenna proposed in this work consists of three switches. Switch 1 is a ...
Wideband Circular Polarized Dielectric Resonator Antenna Array for Millimeter-Wave Applications
(MDPI AG, 2021)
A novel circular polarized dielectric antenna array (DRA) for millimeter-wave applications at 30 GHz is presented in this paper. The unit element array is a flower-shaped DRA fed with a cross slot. To obtain circular ...