Kamilia Kamardin

Kamilia Kamardin
Universiti Teknologi Malaysia | UTM · Advanced Informatics School (AIS)

PhD in Electrical Engineering (Communications)

About

64
Publications
20,406
Reads
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528
Citations
Introduction
Kamilia Kamardin is a Senior Lecturer and Researcher at Universiti Teknologi Malaysia (UTM), Kuala Lumpur. She currently serves under Computer Systems Engineering Group at Advanced Informatics School. She has previously worked as a senior assistant researcher at TM Research&Development, Malaysia. Her research interest includes antennas, wireless communication, wearable communication, bodycentric communication, metamaterials and computer systems engineering. Contact her at: kamilia@utm.my
Additional affiliations
January 2015 - present
Universiti Teknologi Malaysia
Position
  • Professor (Associate)
Description
  • Department Computer Systems Engineering
January 2015 - present
Universiti Teknologi Malaysia
Position
  • Professor (Associate)
April 2011 - June 2011
University of Birmingham
Position
  • Visiting PhD Student
Education
July 2009 - May 2014
Universiti Teknologi Malaysia
Field of study
  • Electrical Engineering (Communications)
July 2005 - November 2006
Universiti Teknologi MARA
Field of study
  • Information Technology (Data Communications & Networking)
September 2001 - June 2004
The University of Sheffield
Field of study
  • Electronic (Communications)

Publications

Publications (64)
Article
Full-text available
A wide range new technologies such as millimetre wave, massive MIMO technology, multi beam base station antenna are required in the fifth-generation (5G) mobile system. For multi beam base station application, a dielectric lens antenna is selected due to capabilities of achieving excellent radiation patterns in a wide angular range by applying the...
Article
Medical devices such as Wireless Capsule Endoscopy (WCE) that need wireless imaging and monitoring, operating at 402 MHz, is considered to be in the near field region due to the distance being shorter than the wavelength. In this paper, the radio link calculation method in the near field region is investigated. Normal Mode Helical Antenna (NMHA) is...
Article
Multi beam antenna system is required at base station for fifth-generation (5G) mobile communication and also to cover large portions of field of view for the satellite antenna. A spherical reflector antenna is promising to give high gain directivity of each independent beams for its multiple beam capabilities. The study of the feed elements system...
Article
Full-text available
span lang="EN-US">Underwater wireless communication in seawater is becoming more interesting and challenging in recent years. The development of antenna for underwater wireless communication in seawater at 900 MHz UHF range frequency is implemented by using patch antenna. In this paper, the antennas were designed using FEKO, an electromagnetic simu...
Conference Paper
Full-text available
Recently, radio wave technologies are applying for human health care such as a capsule endoscopy and a hyperthermia. As another application, radio wave is planning to be used in seawater radio communication. At human body and seawater applications, a small size antenna is suitable. So, the normal mode helical antenna (NMHA) that has high efficiency...
Article
Full-text available
A flexible meander bowtie antenna incorporated with dipole‐like artificial magnetic conductor (AMC) is proposed. Two different types of AMC design are presented for comparison. A new medical transdermal patch is used as the dielectric substrate for both antenna and AMC. The gain enhancement is achieved using a modified dipole‐like unit cell of the...
Article
Full-text available
In the 5G mobile system, new features such as millimetre wave operation, small cell size and multi beam are requested at base stations. At millimetre wave, the base station antennas become very small in size, which is about 30 cm; thus, dielectric lens antennas that have excellent multi beam radiation pattern performance are suitable candidates. Fo...
Preprint
I have no copyright; it belongs to the journal; therefore, I can not share my publication. The file shared here is the preprinted version.
Article
Full-text available
A multiband and wideband frequency reconfigurable antenna is presented. A wideband from 3.5 GHz to 9.0 GHz is achieved by introducing one stripline in the middle of a slotted bowtie antenna, whereas multiband is obtained by integrating an additional two slotted arms at the end of bowtie-shaped. As a result, the antenna operated at multiband mode (1...
Article
Full-text available
Nowadays, embedded systems run in every setting all around the globe. Recent advances in technology have created many sophisticated applications rich with functionality we have never seen. Nonetheless, security and privacy were a common issue for these systems, whether or not sensitive data can be protected from malicious attacks. These concerns ar...
Article
Full-text available
The incoming 5G technology requires antennas with a greater capacity, wider wireless spectrum utilisation, high gain, and steer-ability. This is due to the cramped spectrum utilisation in the previous generation. As a matter of fact, conventional antennas are unable to serve the new frequency due to the limitations in fabrication and installation m...
Article
Full-text available
span>Nowadays, implementation of real-time embedded system or safety-critical in a real-time system is significant within emerging technologies because the system involves many aspects such as safety and task execution without missing deadlines. The main cause of implementation is to avoid catastrophic loss. Besides that, effectuation of the mixed-...
Article
Arrhythmia is a heart rhythm problem that could indicate a symptom of heart disease that often contributes to the increase in hospitalization in many developed countries. The patient of heart disease requires continuous monitoring and close attention to their vital sign such as the heart rate. There are many attempts to automate the detection of Ar...
Article
Full-text available
Biometric systems such as signature verification are highly viable in order to identify individuals in organizations or in finance divisions. Advancement in classification of images using deep learning networks has opened an opportunity for this problem. In this study, the largest available handwritten signature dataset, namely, the GPDS Synthetic...
Article
Full-text available
The Internet of Things (IoT) brings together devices, sensors, data and the cloud. Unlike a computer or tablet, IoT systems can access specific hardware like lights, sensors and motors. This nurtures the production of various IoT platforms such as Arduino, Raspberry Pi and Microbit to help developers to build both fun and professional projects. Thi...
Article
Full-text available
A frequency reconfigurable antenna with a simple design structure and biasing circuit is presented. The antenna is able to configure its frequencies to operate either in multiband or wideband modes. The antenna is fed by a coplanar waveguide transmission line. The reconfiguration characteristics of the antenna is achieved by using PIN diode switche...
Article
Full-text available
Textile artificial magnetic conductor (AMC) waveguide jacket for transmission enhancement between on-body antennas is proposed. Transmission characteristics between antennas with different orientations and placements are studied. Significant transmission enhancement is observed for all tested positions. Bending and wetness measurements are also con...
Article
Full-text available
Two textile antennas namely diamond dipole and coplanar waveguide (CPW) monopole are designed to test the proposed textile artificial magnetic conductor (AMC). Performance comparison including return loss, radiation pattern, and gain between the two antennas above AMC is observed. Results show gain improvement with reduced backlobes when having AMC...
Chapter
This study proposes three types of planar textile antennas namely planar straight dipole, diamond dipoles and CPW monopole for body centric communication. All the proposed antennas are made from entirely textile where fleece and Shieldit fabrics are used as substrates and conducting parts, respectively. The proposed antennas have been thoroughly me...
Article
Full-text available
Textile diamond dipole and Artificial Magnetic Conductor (AMC) have been proposed and tested under wearable and body centric measurements. The proposed antenna and AMC sheet are entirely made of textiles for both the substrate and conducting parts, thus making it suitable for wearable communications. Directive radiation patterns with high gain are...
Article
A textile artificial magnetic conductor (AMC) waveguide sheet with a textile diamond dipole is proposed to improve wireless on-body transmission. The sheet-like waveguide provides an independent transmission path which can reduce the performance degradation caused by the human body. The proposed AMC sheet is made entirely of textiles for both the s...
Article
CPW monopoles with textile artificial magnetic conductor (AMC) sheet-like waveguide were designed with the goal to improve transmission between antennas. The AMC substrate is made of Fleece fabric while SHIELDIT fabric is used for the conducting parts. A small AMC sheet as well as an AMC waveguide jacket were fabricated. Experiments were carried ou...
Article
Full-text available
One of the most important aspects for body centric communication is the development of the textile antenna for on-body communication. Antennas for on-body environment usually suffer performance degradation caused by the human body. Apart from that, textile antenna gets easily bent, flexed, wrinkled or wet. This paper presents an investigation on th...
Article
Full-text available
A textile Artificial Magnetic Conductor (AMC) sheet-like waveguide with wire dipoles were designed to investigate the possibility of improving transmission between antennas. The textile AMC sheet is made of fleece fabric with conductive patches and ground plane made of SHIELDIT fabric. The AMC surface is designed to have in-phase reflection at 2.45...
Conference Paper
Wire dipoles with textile Artificial Magnetic Conductor (AMC) sheet-like waveguide were designed to investigate the possibility of transmission enhancement between antennas. The substrate for the AMC is made of fleece fabric, while the patches and ground are made of SHIELDIT fabric. The AMC surface is designed to have in-phase reflection at 2.45GHz...
Conference Paper
Full-text available
A textile Artificial Magnetic Conductor (AMC) sheet-like waveguide made of fleece fabric with a wideband coplanar monopoles were designed. The AMC surface is designed to have in-phase reflection at 2.45GHz with the aim to improve the transmission between antennas. The S11 and S21 performances of two antennas with textile AMC sheet was investigated...
Article
Diamond dipole antennas with textile Artificial Magnetic Conductor (AMC) sheet-like waveguide were designed to investigate the possibility of improving transmission between antennas. Fleece fabric is used as the substrate of the textile AMC while SHIELDIT fabric is used as the conductive patches and ground plane. The AMC surface is designed to reso...
Article
Full-text available
A multiband Fractal Koch dipole textile antenna is proposed for wearable applications. The antenna is designed to operate at 0.9 GHz, 2.45 GHz and 5.8 GHz. Denim materials as the substrate are selected aiming to obtain robustness, flexibility and a lightweight textile antenna. The antenna model is designed, simulated, optimized and analyzed using M...
Conference Paper
The design of coplanar waveguide-fed ultrawide-band antenna with elliptical structure is presented that will cover from 1.6GHz to 13.5 GHz frequency band. Denim material have been selected as the substrate of textile antenna due to its thickness and permittivity. Different conducting part of antenna; copper tape and Shieldit fabric are compared and...
Conference Paper
This paper presented a textile sheet-like waveguide that incorporates Artificial Magnetic Conductor (AMC) structures. The aim is to investigate the possibility of a textile conformal waveguide in improving transmission between antennas when placed beneath them. Investigations were carried for small and belly size AMC waveguide sheets made of denim...
Conference Paper
This paper presented a printed dipole with slot Electromagnetic Band Gap (EBG) that has both Artificial Magnetic Conductor (AMC) and band-notched performances. Compared to a reference square patch EBG, printed dipole with slot EBG exhibits band-notched behaviour at the out-of-band frequency with 10dB maximum suppression. The antenna maintains a pea...
Conference Paper
The wearable electronic devices are such devices worn by a person as un-obstructively as clothing to provide intelligent assistance. In addition, a wearable antenna is meant to be a part of the clothing used for communication purposes such as tracking, navigation, mobile computing and public safety. On the other hand, Ultra-wideband (UWB) antenna i...
Article
Full-text available
Communication technology is increasingly pervading everyday life. The rapid progress in wireless communication besides the increasing interest in wearable antennas and electronics in civil, medical, sport wear and military domains promises to replace wired-communication networks in the near future in which antennas are in more important role. Recen...
Conference Paper
A monopole disc antenna for multi band system operation is presented. The operating frequency of the proposed in-building antenna includes the GSM 900, GSM 1800 and 3G bands. The antenna structure consists of a two-steps cylinder combined with a circular disc to provide broadband characteristics. This antenna has a VSWR les 1.5 and an omni-directio...
Conference Paper
A circular loop antenna printed on grounded dielectric substrate with another layer of superstrate was analysed in this paper. The research focused on the effects of the superstrate layer on the far field components of the antenna. The far zone characteristics were derived using stationary phase method. Computation of the far field region incorpora...
Conference Paper
Motivated by the appeal for smaller and compact antennas, this article gives a comprehensive overview of the chip antenna technology. Design requirements and proposed design methodology are proposed in this paper. Due to the extremely small space allocated for a chip antenna, it is susceptible to various performance factors. The slightest change in...

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