Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Abdullah J. Alazemi"'
Publikováno v:
Alexandria Engineering Journal, Vol 79, Iss , Pp 402-410 (2023)
This paper presents a planar CPW-fed Ultrawideband (UWB) antenna with two independently tunable notch bands. The proposed design consists of a modified Rhombus-shaped monopole structure that is integrated with a dual band-stop filter based on hexagon
Externí odkaz:
https://doaj.org/article/34cac5813ef342329e720dcd09c26a6e
Publikováno v:
IEEE Access, Vol 11, Pp 101195-101204 (2023)
In this paper, a novel approach to monitoring the healing process of bone fractures using a compact textile monopole antenna integrated into a wearable device. A planar wearable textile ultra-wideband monopole (TUM) antenna is proposed as a sensing e
Externí odkaz:
https://doaj.org/article/7e70b17941574bbeba612feb412be601
Publikováno v:
IEEE Access, Vol 11, Pp 94937-94944 (2023)
This paper presents a design of a $4 \times 4$ circularly polarized (CP) patch antenna array based on gap waveguide (GW) sequential feeding network. The proposed antenna single element consists of an aperture coupled circular patch antenna. A two-lev
Externí odkaz:
https://doaj.org/article/92fecce10a484654a53d54e56b81ef6c
Autor:
Abdullah J. Alazemi, Amjad Iqbal
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-13 (2022)
Abstract Due to recent advancements in complementary metal-oxide-semiconductor (CMOS) cameras, transferring high resolution images and videos are possible in wireless capsule endoscopy. High-data-rates communication is required for such data, which i
Externí odkaz:
https://doaj.org/article/67476cdcd37c49c4b86f6696eb0fb54a
Autor:
Abdullah J. Alazemi
Publikováno v:
Micromachines, Vol 14, Iss 6, p 1254 (2023)
In this paper, two bandpass filters—one with a dual-band response and the other with a wideband response—were designed, implemented, and experimented with. The filters are based on the novel combination of series coupled lines and tri-stepped imp
Externí odkaz:
https://doaj.org/article/5ac39b033ffc4a8aac77ef39afe3a21e
A Flexible Miniaturized Wideband Branch-Line Coupler Using Shunt Open-Stubs and Meandering Technique
Publikováno v:
IEEE Access, Vol 9, Pp 158241-158246 (2021)
This article presents a flexible miniaturized wideband branch-line coupler printed on a biodegradable paper substrate. The proposed design consists of a combination of series transmission lines and shunt open-stubs along with the meandering technique
Externí odkaz:
https://doaj.org/article/afe3671997444382b1257adecccde7a9
Autor:
Amjad Iqbal, Amor Smida, Abdullah J. Alazemi, Mohamed I. Waly, Nazih Khaddaj Mallat, Sunghwan Kim
Publikováno v:
IEEE Access, Vol 8, Pp 17935-17944 (2020)
This paper presents a miniaturized circularly polarized multiple-input multiple-output (MIMO) antenna for wearable biotelemetric devices. The proposed MIMO antenna consists of four elements, which are placed orthogonally to the adjacent elements. The
Externí odkaz:
https://doaj.org/article/142c81e0b6e146068fc03b50ebba301f
Publikováno v:
IEEE Access, Vol 8, Pp 15687-15694 (2020)
This paper presents a wideband, low-profile and semi-flexible antenna for wearable biomedical telemetry applications. The antenna is designed on a semi-flexible material of RT/duroid 5880 (Er = 2.2, tanδ = 0.0004) with an overall dimensions of 17 mm
Externí odkaz:
https://doaj.org/article/3985f6902eb7493f985e9f5963eabd7c
Publikováno v:
IEEE Access, Vol 7, Pp 184029-184037 (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 excites the fundamental mod
Externí odkaz:
https://doaj.org/article/cff22dc4da9f47ff862070b059cdedaf
Autor:
Abdullah J. Alazemi, Gabriel M. Rebeiz
Publikováno v:
IEEE Access, Vol 7, Pp 104667-104672 (2019)
This paper presents a single-feed planar inverted-F antenna (PIFA) that operates at three resonant frequencies within the LTE frequency range which would result in the enhancement of the antenna bandwidth and the increase of the data-rate speed. The
Externí odkaz:
https://doaj.org/article/349dfefdb31742cb9a00c160e5170dae