Browsing School of Computer and Communication Engineering (Articles) by Title
Now showing items 136-155 of 281
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Lossy Compression of Biometric Images Implemented Using Floating Point DSP Processor
(EDP Sciences, 2017)In this paper, several numbers of biometric images are compressed in order to reduce the number of bits needed in representing an image with conservation of image quality. Biometric images compression is important to solve ... -
Low power reconfigurable sub-band filter bank ASIC for MP3 decoder
(Inderscience Publishers, 2009)There is an ever demanding need to develop low power audio devices using MP3 technology. From the profiled results of MP3 algorithm on ARM processors, it has been observed that the synthesis filter bank in the audio decoder ... -
Low power reconfigurable sub-band filter bank ASIC for MP3 decoder
(Inderscience Enterprises Limited, 2009)There is an ever demanding need to develop low power audio devices using MP3 technology. From the profiled results of MP3 algorithm on ARM processors, it has been observed that the synthesis filter bank in the audio ... -
A low-power X-band free electron laser by prebunching of the electrons
(Wiley Periodicals, Inc., 2010-11)We are developing a prototype free electron laser that is compact, low cost, and low power. The design, setup, and results of a novel X-band rectangular waveguide prebunched free electron laser (PFEL) are presented in this ... -
Memory efficient set partitioning in hierarchical tree (MESH) for wavelet image compression
(The Institute of Electronics, Information and Communication Engineers., 2012-09)This paper presents a memory efficient version of set partitioning in hierarchical tree (SPIHT). The proposed coder called Memory Efficient SPIHT (MESH) uses a single re-usable list instead of three continuously growing ... -
A microcontroller-based taste sensing system for the verification of Eurycoma longifolia
(Elsevier, 2004-06)With the proliferation of numerous herbal remedies on the market, the ability to verify the actual presence of the active herbal ingredient in a product would be very useful. In this paper, a microcontroller-based electronic ... -
A MIMO LMS adaptive equalization approach in simulated radar emission
(Institute of Electrical and Electronics Engineering (IEEE), 2006)MIMO technology has attracted a lot of attention in the area of wireless communications such as radar applications, in term of increasing the spectral efficiency. This research paper will present the model of Simulated ... -
Minimizing correlation effect using zero cross correlation code in spectral amplitude coding optical code division multiple access
(The Optical Society of Japan, 2012-01)The use of minimal multiple access interference (MAI) in code design is investigated. Applying a projection and mapping techniques, a code that has a zero cross correlation (ZCC) between users in optical code division ... -
Mitigating interference in a heterogeneous wireless network using channel selection
(AENSI Publisher All rights reserved, 2013-10)With the extensive development of heterogeneous wireless communication technology, combined with the advances of data acquisition, emerges a new trend of networked acquisition systems. Among this range of wireless technology, ... -
Modelling and simulation of a 1.6 Tb/s optical system based on multi-diagonal code and optical code-division multiple-access
(Institute of Physical Optics, 2012)n this paper we have modelled and simulated a 1.6 Tb/s (100×16 Gb/s) optical system based on spectral amplitude coding for the optical code-division multiple- access (SAC-OCDMA) scheme. In order to reduce the effect of ... -
A Multi band mini printed omni directional antenna with v-shaped for RFID applications
(EMW Publishing, 2011)This paper presents a mini multi-band printed omni-directional antenna with v-shaped structure for radio frequency identification (RFID) applications. The proposed multi-band antenna is developed from the initial v-shaped ... -
Multi-antenna mobile terminal diversity performance in proximity to human hands under different propagation environment conditions
(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 ... -
Multi-rate transmissions on spectral amplitude coding optical code division multiple access system using random diagonal codes
(Institute of Physics, Wroclaw University of Technology, 2009)In this paper, we study the use of a new code called random diagonal (RD) code for spectral amplitude coding (SAC) optical code division multiple access (OCDMA) networks, using fiber Bragg-grating (FBG). FBG consists of a ... -
Multiband fractal planar inverted F antenna (F-PIFA) for mobile phone application
(EMW Publishing, 2009)The design of a novel Fractal planar inverted F antenna (F-PIFA) based on the self affinity property is presented in this paper. The procedure for designing a Fractal Planar Inverted F Antenna is explained and three different ... -
Multiband fractal planar inverted F antenna (F-PIFA) for mobile phone application
(EMW Publishing, 2009)The design of a novel Fractal planar inverted F antenna (F-PIFA) based on the self affinity property is presented in this paper. The procedure for designing a Fractal Planar Inverted F Antenna is explained and three different ... -
Multicast-unicast data delivery method in wireless IPv6 networks
(Springer US, 2013-02)Multicast IPv6 is an efficient way of transmitting data simultaneously to a group of IPv6 users. It has the advantage of reducing the required bandwidth of IPv6 data delivery compared to unicast transmission. The data rate ... -
Nano and micro porous GaN characterization using image processing method
(Elsevier GmbH, 2012-06)This work reports the fabrication of porous N-GaN structures and their quantitative structural characteristic study based on mathematical morphology analysis using scanning electron microscope (SEM) images. The evaluation ... -
New approach for evaluation of the performance of spectral amplitude coding-optical code division multiple access system on high-speed data rate
(The Institution of Engineering and Technology, 2012-08-14)In this study, the authors proposed a new approach to evaluate the system performance of spectral amplitude codingoptical code division multiple access (SAC-OCDMA) systems. The system performance is evaluated based on a ... -
New approach of Double Weight Code Family Detection using reduced set of Fiber Bragg Gratings
(Institute of Electrical and Electronics Engineering (IEEE), 2007)To increase the number of users in the double weight (DW) code family, a mapping technique is applied. This mapping technique increases the number of users but at a cost of unfixed cross-correlation property. The complementary ... -
New catenated OFDM modulation scheme in zero cross correlation OCDMA at various number of user and effective power
(EDP Sciences, 2017)This paper proposes an integration of optical Code Division Multiple Access (OCDMA) with new catenated Orthogonal Frequency Division Multiplexing (OFDM) modulation scheme. This effective combination based on Zero Cross ...