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Badlishah Ahmad - IEEE Xplore Author Profile

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High-security cryptography algorithms like AES require high computational capabilities to achieve information security. Therefore, it is necessary to use parallel computing architectures that exploit modern technologies to obtain the most conceivable computational power. Various methods have been introduced to achieve parallel processing. One of them is field-programmable gate arrays (FPGAs), whic...Show More
Adaptive media playout (AMP) control, common receiver-based technique, is proposed to adjust the playout rate based on the bit-rate fluctuation of network channels to avoid playout interruptions. Most AMP techniques found in the literature adjust playout frame rate based on the buffer fullness or the buffer fullness variation. However, choosing an appropriate threshold to adjust a playout frame ra...Show More
In this paper, a hybrid framework of compressed and encrypted video signal transmission over wireless channel has been designed and implemented. Chaos theory property has been combined with artificial neural network to construct a cipher algorithm called a Chaotic Neural Network (CNN). This algorithm has been embedded and integrated inside MPEG-2 video codec standard to transform the plaintext (co...Show More
Hard real time systems were often implemented with preemptive scheduling, which gives priority to the highest priority task. In this paper we present a new non-preemptive scheduling of jobs meant for soft real time application. Our ultimate aim is to increase the deadline meeting rate of the Earliest Deadline First (EDF) algorithm during overload condition while maintaining the optimum performance...Show More
Scheduling algorithms for soft real time application should focus on increasing Deadline Meeting Rate (DMTR) during overload. Here we propose an algorithm which is based on EDF which boost the performance of soft real time system during overload while maintaining optimum performance during normal load poses by EDF. This algorithm does not require overload detection as many other overload handling ...Show More
Increasing Deadline Meeting Rate (DMTR) during overload is a concern of Soft Real Time (SRT) Scheduling. Here we present our non-preemptive non-resource constraint scheduling model implemented on an open source discrete event simulator named OmNET. The model is simple, yet it fulfill the simulation purpose, which mimics execution of jobs schedule under non-preemptive and non-resource constraint sy...Show More
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 self-clutter rejection performance is obtained without sacrificing the ability for the separation of close targets (no main lobe widening). The additional expense of encoding and deco...Show More