Browsing Researchers by Author "azremi@unimap.edu.my"
Now showing items 1-8 of 8
-
A cylindrical Barium Strontium Titanate (BST) dielectric resonator antenna for 5.0 GHz wireless LAN application
Azremi, Abdullah Al Hadi; Saidatul Norlyana, Azemi; Soh, Ping Jack; Muhammad Asri, Idris; Norsuria, Mahmed (Institute of Electrical and Electronics Engineering (IEEE), 2008-05-19)This paper presents a dielectric resonator antenna (DRA) suitable for wireless communication applications at 5.0 GHz. The proposed DRA utilizes a ferroelectric material, Barium Strontium Titanate (BST) in cylindrical form ... -
Design and measurement-based evaluation of multi-antenna mobile terminals for LTE 3500MHz band
Azremi, Abdullah Al Hadi, Dr.; Nima, Jamaly; Katsuyuki, Haneda; Clemens, Icheln; Ville V., Viikari (EMW Publishing, 2013)Design of multi-element antennas (MA) for small mobile terminals operating at higher frequencies remains challenging despite smaller antenna dimension and possibility of achieving electrically large separation between them. ... -
Educational Antenna Traning Set for Radiation Pattern Plotting and Analysis Using Basic Antenna Shapes
Azremi, Abdullah Al Hadi; Soh, Ping Jack; Dayang Khadijah, Hamzah; R. Badlishah, Ahmad, Assoc. Prof. Dr. (Malaysian Invention and Design Society (MINDS), 2007-05-18)A set of 17 antennas which are designed using different concepts are implemented on low profile microstrip patch antennas. -
Influence of the user's hand on mutual coupling of dual-antenna structures on mobile terminal
Azremi, Abdullah Al Hadi; Ilvonen, Janne; Li, Chung Huan; Holopainen, Jari; Vainikainen, Pertti V. (Institute of Electrical and Electronics Engineers (IEEE), 2012-03-26)This paper studies the influence of the user's hand on the mutual coupling of dual-antenna structures on a mobile terminal. The terminal consists of two planar inverted-F antennas (PIFA) on a typical 100 × 40 mm 2 mobile ... -
Multi-antenna mobile terminal diversity performance in proximity to human hands under different propagation environment conditions
Azremi, Abdullah Al Hadi; Papamichael, Vasilis Christos; Vainikainen, Pertti V. (The Institution of Engineering and Technology, 2011-10-27)The effective diversity gain (EDG) of a four-element planar inverted-F antenna array, which operates at 3500MHz in the proximity to one hand in data-mode grip and two hands in browsing-mode grip, is predicted using a ... -
A novel 2.45GHz switchable beam textile antenna (SBTA) for outdoor wireless body area network (WBAN) applications
Mohd Ilman, Jais; Mohd Faizal, Jamlos, Dr.; Muzammil, Jusoh, Dr.; Sabapathy, Thennarasan; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr.; Azremi, Abdullah Al Hadi, Dr.; Emi Izhanizam, Azmi; Soh, Ping Jack; Vandenbosch, Guy AE E; Nur Laila Khamariah, Ishak (EMW Publishing, 2013)A novel switchable beam textile antenna (SBTA) for wireless body area network (WBAN) applications is proposed. The SBTA is centrally-fed by a coaxial probe and the power distributed over four circular radiating elements. ... -
On diversity performance of two-element coupling element based antenna structure for mobile terminal
Azremi, Abdullah Al Hadi; Toivanen, J.; Laitinen, J.; Vainikainen, P.; Chen, X.; Jamaly, N.; Carlsson, J.; Kildal, P.-S. (Institute of Electrical and Electronics Engineers (IEEE), 2010-04-12)In wireless communication systems, multipath interference has a significant impact on system design and performance. Fast fading is caused by the coherent summation of one or more echoes from many reflection points reaching ... -
A parametric study of broadband planar inverted F antenna (PIFA) for WLAN application
Azremi, Abdullah Al Hadi; Saidatul Norlyana, Azemi; R. Badlishah, Ahmad; Soh, Ping Jack (Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)A novel of comprehensive study and useful information for the design of broadband Planar Inverted F antenna (PIFA) is proposed. The antenna including the ground plane has a total dimension 6mm × 70mm × 30mm has been optimized ...