Mohamad Ah

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This paper designs frequency reconfigurable microstrip antenna using Defected Ground Structures (DGS). The antenna designed with aperture coupled feed line to work at two different frequencies. Two periodical Dumbbell DGS geometry have been etched on the ground layer so that resonate at two different frequency band, (7.28 GHz to 7.73 GHz) and (8.55 GHz to(More)
The performance of wireless body area networks (WBANs) may be degraded due to co-channel interference, i.e., when sensors of different coexisting WBANs transmit at the same time-slots using the same channel. In this paper, we exploit the 16 channels available in the 2.4 GHz unlicensed international band of ZIGBEE, and propose a distributed scheme that opts(More)
IceCube is a one-gigaton instrument located at the geographic South Pole, designed to detect cosmic neutrinos, identify the particle nature of dark matter, and study high-energy neutrinos themselves. Simulation of the IceCube detector and processing of data require a significant amount of computational resources. IceProd is a distributed management system(More)
Objective: The present study assessed the perceptions of graduates and employers after six months of practising with regard to three domains of the existing curriculum at Universiti Sains Islam Malaysia (USIM): knowledge, skills and attitudes. Methods: A cross-sectional study was conducted on the first cohort of dental graduates from USIM, as well as their(More)
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