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Mohammad Faiz Liew Abdullah
Universiti Tun Hussein Onn Malaysia
EngineeringElectronic engineeringComputer scienceModulationBit error rate
120Publications
8H-index
247Citations
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Publications 149
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This study examines the possibility of remotely measuring the cardiac pulse activity of a patient, which could be an alternative technique to the classical method. This type of measurement is non-invasive. However, several limitations may deteriorate the accuracy of the results, including changes in ambient illumination, motion artifacts (MA) and other interferences that may occur through video recording. The paper in hand presents a new approach as a remedy for the aforementioned problem in car...
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Last. R. TalibH-Index: 2
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#1Bhagwan Das (Quaid-e-Awam University of Engineering, Science and Technology)H-Index: 3
#2M. Sadiq Ali Khan (KU: University of Karachi)H-Index: 2
Last. Kamran Ali Memon (Beijing University of Posts and Telecommunications)H-Index: 1
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In this paper, phase sensing technology based optical signal regeneration system is designed and developed for 40 Gb/s optical system. The designed technique has achieved the low bit error rate (BER) and high Q-factor for the long haul optical system of 200 km. In comparison to the existing systems, the proposed technique have achieved the low BER and high Q-factor for long noisy fiber link. In this work, the HNLF configuration based that varies the phase sensing during the optical signal regene...
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#1Nur Munirah Abdullah (UTHM: Universiti Tun Hussein Onn Malaysia)H-Index: 3
#2Anika Zafiah M. Rus (UTHM: Universiti Tun Hussein Onn Malaysia)H-Index: 10
Last. Hanani Abd Wahab (UTHM: Universiti Tun Hussein Onn Malaysia)
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The electrical profiles of the renewable polymer graphite (PG) composites upon ultra violet (UV) curing were investigated. Renewable PG films were prepared by mixing with varying weight percent of graphite (with an increment of 5 wt. % of prepared graphite) up to 30 wt.% and crosslinker. Then, the composites solution was slip casted and cured upon stimulated UV irradiation (UV accelerated weathering tester) at different time exposure (up to 1000 hours) was applied. Small changes on the functiona...
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#2Mohammad Faiz Liew Abdullah (UTHM: Universiti Tun Hussein Onn Malaysia)H-Index: 8
Last. M.S.M Gismalla (International University of Africa)
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Visible Light Communication System (VLC) performance can be evaluated using signal-to-noise ratio (SNR). The system uses Light Emitting Diodes (LED), white lighting for transmitting high speed data, and this lead to solid-state lighting is being developed, the laser diode (LD) for illumination. The LED performance suffers from limited bandwidth, in addition to the extra cost. The rendering of the visible light communication links be depending on the power distribution obtained at received optica...
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#1Ahmed Abdulkadhim Basheer (Ministry of Communications)
Last. Mohammad Faiz Liew Abdullah (UTHM: Universiti Tun Hussein Onn Malaysia)H-Index: 8
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This paper presents a cylindrical antenna for millimeter-wave Applications technology has a very huge bandwidth starts from 110 GHz until 140 GHz (30 GHz). In this proposed design antenna a minimum return loss value up to -80 dB and directivity up to 9.79 dB is achieved. The radiated signal from the proposed design concentrated in two directions with directivity up to 9.79 dB and 9.9 dB for 28 ° and 28 ° respectively. The design proposed cylindrical antenna simulated using COMSOL software.
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#1Abdullah Ali Qasim (UTHM: Universiti Tun Hussein Onn Malaysia)
Last. Ahmed Talaat HammoodiH-Index: 1
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Filter Bank Multicarrier (FBMC) is a new waveform candidate in the visible light communication system (VLC). FBMC is a distinctive kind of multi-carrier modulation that can be regarded as an alternative to orthogonal frequency Division Multicarrier (OFDM) with CP (cyclic prefix). DCO-FBMC (DC-bias optical FBMC) has recently been used in VLC, because it overcomes all defects in the optical-OFDM system and has high spectral efficiency. but at the same time the traditional DCO-FBMC suffers from hig...
1 CitationsSource
#1M.S.M Gismalla (UTHM: Universiti Tun Hussein Onn Malaysia)
#2Mohammad Faiz Liew Abdullah (UTHM: Universiti Tun Hussein Onn Malaysia)H-Index: 8
Last. Abdullah Ali Qasim (UTHM: Universiti Tun Hussein Onn Malaysia)
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Due to the capacity crunch, intersymbol interference (ISI) and other constraints in radio frequency (RF), VLC has been considered as a promising technology to mitigate these problems, it has a free license, wide bandwidth, low power consumption as well as immunity to ISI. This paper aims to reduce RMSD spread and evaluate its performance at different SAAHP. In this paper, four topologies of optical attocells deployment in an indoor VLC system are investigated, which included four, five, nine and...
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#1Mohammed S.M. Gismalla (UTHM: Universiti Tun Hussein Onn Malaysia)
#1M.S.M Gismalla (UTHM: Universiti Tun Hussein Onn Malaysia)
Last. Wafi A. Mabrouk (UTHM: Universiti Tun Hussein Onn Malaysia)H-Index: 1
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