Browsing Farid Ghani, Prof. Dr. by Issue Date
Now showing items 1-20 of 24
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Design of a real time modified linear Delta Modulator using TMS 320C6416 DSP processor
(Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-18)The paper describes design of a real time modified linear delta modulator for generating toll quality speech at a rate that is about half that of the standard 8 bit PCM encoder. Multirate DSP technique is applied to reduce ... -
Equalizer sharing in wireless communications: Simulation study
(Institute of Electrical and Electronics Engineers (IEEE), 2008-08-26)This paper presents a simulation study for coded-vision multiplex system, over time varying channels. The scheme investigated here uses a sharing technique for the signal processing unit between the transmitter and the ... -
Receiver simplification in synchronous communication systems: Simulation study
(Institute of Electrical and Electronics Engineers (IEEE), 2008-12-02)This paper presents a simulation study for code-division multiplex system over time varying channels. The scheme investigated here uses a precoding technique in the transmitter depending on the channel information, so that ... -
Multi-carrier frequency hopping spread spectrum system with girth-six low-density parity-check codes
(Institute of Electrical and Electronics Engineering (IEEE), 2009-03-14)In this paper, a multicarrier frequency hopping spread spectrum (MCFH-SS) system with girth-six low-density parity-check (LDPC) codes is developed as forward error correction scheme to improve its anti-jamming (AJ) ... -
Design and simulation of a modified block transmission system with pre-coding
(Institute of Electrical and Elctronics Engineering (IEEE), 2009-03-14)This paper presents a simulation study for a new block transmission system that depends on sharing the equalization process between the receiver and the transmitter. The transmitter share will be 75% of the signal processing, ... -
Row division method to generate QC-LDPC codes
(Institute of Electrical and Elctronics Engineering (IEEE), 2009-05-24)To cut down the hardware implementation cost this paper presents an efficient method to construct large girth Quasi-Cyclic low density parity check (QCLDPC) codes. The row groups are paired two times the row weight, which ... -
Reduced complexity optimum detector for block data transmission systems
(The Institute of Electronics, Information and Communication Engineers, 2009-12-10)Block Data Transmission Systems (BDTS) are used in high-speed wireless communication systems with time dispersive channel characteristics. In such systems, blocks of data are separated by zeros to mitigate the effect of ... -
Hilbert transform of FFT pruned cross correlation function for optimization in time delay estimation
(Institute of Electrical and Electronics Engineering (IEEE), 2009-12-15)Measuring delay using cross correlation technique with signals that are corrupted by noise and are received at two spatially separated sensors often result incorrect measurement. This paper presents a new technique that ... -
An overview of low density parity check codes
(Asian Network for Scientific Information, 2010-07-10)Not available -
New QC-LDPC codes implementation on FPGA platform in Rayleigh fading environment
(Institute of Electrical and Electronics Engineers (IEEE), 2011-02-20)This paper presents performance of Quasi-Cyclic low-density parity-check (QC-LDPC) codes on a flat Rayleigh fading channels by employing DPSK modulation scheme. The BER curves show that large girth and diversity level ... -
Development and performance evaluation of hierarchical quadrature amplitude modulation (HQAM) for image transmission over wireless channels
(Institute of Electrical and Electronics Engineers (IEEE), 2011-09-20)Asymmetric modulation techniques like Quadrature Amplitude Modulation system is one of the key techniques in building a broadband mobile communication network because of increasing shortage of wireless communication channels. ... -
Waveform design for improved range and Doppler resolution in radar
(Institute of Electrical and Electronics Engineers (IEEE), 2012-02)The choice of a suitable transmit waveform is an important problem in radar design. This is so because the waveform controls resolution and clutter performance and also bears heavily on the system cost. Theoretical studies ... -
Elbow movement detection using brain computer interface
(Institute of Electrical and Electronics Engineers (IEEE), 2012-04)This paper investigates effectiveness of using a non-invasive Electroencephalographic (EEG) activity for Brain Computer Interface, to analyze the brain activity and translate human elbow movement into the movement of an ... -
New class of code with any desired cross correlation for OCDMA systems
(Institute of Electrical and Electronics Engineers (IEEE), 2012-04-07)This paper presented the novel of optical code for Optical Code Division Multiple Access (OCDMA) system using Spectral Amplitude Coding. A new class of code, called Modified Non-Zero Cross Correlation Code (MNZCC). MNZCC ... -
New code with non-zero cross correlation for spectral amplitude coding optical code-division multiple-access systems
(Institute of Electrical and Electronics Engineers (IEEE), 2012-05-21)This paper presented the novel of a new class of code with Non-Zero Cross-Correlation for Spectral-Amplitude Coding in Optical Code Division Multiple Access (OCDMA) systems. A new code namely Modified Non-Zero Cross ... -
Channels estimation in OFDM system on block-type and comb-type pilot arrangement
(Universiti Malaysia Perlis (UniMAP), 2012-06-18)In orthogonal frequency division multiplexing (OFDM) systems over time-varying and frequency-selective fading channel, channel estimation and tracking is generally carried out by transmitting known pilot symbols in given ... -
High Gain and High Directive of Antenna Arrays Utilizing Dielectric Layer on Bismuth Titanate Ceramics
(Hindawi Publishing Corporation, 2012-06-25)A high gain and high directive microstrip patch array antenna formed from dielectric layer stacked on bismuth titanate (BiT) ceramics have been investigated, fabricated, and measured. The antennas are designed and constructed ... -
Synthesis of finite length multi level sequences for clutter rejection in radar
(Institute of Electrical and Electronics Engineers (IEEE), 2012-07-24)In radar systems the very low side-lobes that can be achieved with amplitude and phase modulated pulse trains make their use particularly attractive in systems requiring a large dynamic range. Moreover, the excellent ... -
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 ... -
New design of Flexible Cross Correlation (FCC) code for SAC-OCDMA system
(Elsevier B.V., 2013)In this paper, we present, several aspects of unipolar optical code-division multiple access (OCDMA) codes, focusing on the flexible inphase cross-correlation code algorithm and its potential for future optical networks. ...