Search results for: N. Zulkifli
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Decreasing the power consumption of Passive Optical networks to reduce GHG emissions and CAPEX using ONT sleep mode is a widely researched topic. Different sleep mode mechanisms have been proposed in the literature. Cyclic sleep was adopted by ITU-T for XGPON in 2010 but recently a new sleep mode mechanism termed as Watchful sleep mode has been introduced for both GPON and XGPON. In this study, we...
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Path planning with obstacles avoidance in dynamic environments is a crucial issue in robotics. Numerous approaches have been suggested for the navigation of mobile robots with moving obstacles. In this paper, about 50 articles have been reviewed and briefly described to offer an outline of the research progress in motion planning of mobile robot approaches in dynamic environments for the last five...
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Agriculture and Agricultural Science Procedia > 2014 > 2 > Complete > 328-336
A competent food factory cannot be achieved if the factory is poorly designed. This paper identified the difficulties experienced by Malaysian small and medium enterprises (SME) in designing a food factory due to challenges faced by them. Two important manufacturing issues were analyzed and discovered to be related with poor factory design i.e. unsatisfactory food hygiene and lacking in sustainability...
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This article provides a critical review on the feasibility of green next generation optical access network (NG-OAN), where a range of technologies are involved. It discusses some relevant representatives in the area where in specific access technologies based on Wavelength Division Multiplexing-Passive Optical Networks (WDM-PON) have been identified as the key promising green solutions. The impacts...
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Energy consumption of ICT sector has become a contemporary issue since it is experiencing a rapid growth. Since, the access networks are estimated to consume nearly 70% of the total Internet energy consumption worldwide, an effective strategy to reduce energy consumption must consider the deployment of energy-efficient solutions within the access network domain. In specific, this paper focuses on...
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Gigabit-Passive Optical Network (GPON) is the key technology for today's PON. A hybrid GPON is a hybrid passive optical network, where WDM and TDM are integrated into a single passive optical network, with aims to increase both the cost effectiveness and link capacity. In this paper, 2.5-Gb/s hybrid WDM/TDM downstream link is presented, using RoF technique in the GPON network architecture. 8-DPSK...
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Information prospecting or mining has never been more crucial in organizational decision making and strategic competitive advantage Without information and communication technologies (ICTs), most companies, particularly the small and medium enterprises (SMEs) would not be able to survive the demands of the current volatile economic conditions Hence, this paper reports the findings from the assessment...
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Information mining has never been more crucial in organizational decision making than now. Without information and communication technologies (ICTs), most companies, particularly the small and medium enterprises (SMEs) would not be able to survive the demands of the current volatile economic conditions. Hence, this paper reports the findings from the assessment of ICT usage by 110 SMEs in the Klang...
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The 2012 Budget announced by the Prime Minister of Malaysia indicated that small and medium enterprises (SMEs) continue to play an important role in the nation's economy and are therefore, given sufficient allocation to sustain the various small enterprises. ICT usage has never been more emphasized than now, therefore the objective of this paper is to assess the SME's use of enterprise information...
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In food production, sugars (a type of carbohydrate) are widely used to make the food or beverages taste sweet and delicious. Both natural and manufactured beverages may contain a small amount of alcohol (specifically ethanol) as sugar based food is fermentable into alcohol. Therefore, Muslim consumers must be aware that the allowable percentage of alcohol to exist in the food as mentioned by the Shari'ah...
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In recent days, optical fibers have been developed as a transmission medium to carry traffic in order to provide various services in telecommunications platform. Failure of this fibre caused loss of data which can interrupt communication services. Thus, this paper will focus about protection scheme in order to guarantee the survivability of the networks. Besides, the scheme should provide better quality...
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Parametric wavelength converters (PWCs) can efficiently improve blocking probability performance of mesh all-optical networks by relaxing wavelength continuity constraint. However, as bit rate per channel increases, blocking occurs not only due to lack of wavelength, but also physical layer impairment (PLI) limitations. For instance, chromatic dispersion limit is reduced by square of bit rate. In...
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In spite of all the efforts in different industries to reduce the number of undesirable accidents, a lot of events always threat industrial societies. These events often cause huge damages to the environment, facilities and even in some cases, fatalities and disabilities for people. Therefore, it is important to predict these probable accidents and plan to prevent them. Hence, this research proposed...
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Current trends for future provision of broadband, interactive and multimedia services over wireless media in both mobile and fixed cellular networks are- 1) to reduce cell size to accommodate more users and 2) to operate in the microwave/millimeter wave (mm-wave) frequency bands to avoid spectral congestion in the lower frequency bands. The development of a cost-effective Base Station (BSs) is a key...
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Transparent optical networks offer a common transport platform for services with different bit-rates, transmission formats and technologies. In such a heterogeneous scenario, it is an inefficient use of network resource to provision end-to-end lightpaths without considering the different optical performance requirements of the different service interfaces. This paper proposes an efficient routing...
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This paper reports results of an ultra-fast control plane that utilises hardware-acceleration to solve part of an impairment-aware routing and wavelength assignment algorithm for heterogeneous optical networks. The implementation incorporates vector representation of physical layer impairments and outperforms its software counterpart by exploiting the speed and inherent parallelism offered by field...
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Purpose: The lack of organizational effort to assess cultural compatibility or fit prior to the engagement of firms has contributed to the failure of several mergers and acquisition. A Korean public listed company with manufacturing plants in Malaysia and New Zealand found that the performances of the newly acquired plants were significantly lower than the manufacturing plants in Korea. Design/methodology/approach:...
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Purpose: The problem includes the three objective functions: minimizing the total cost, the net rejected items and the inverse total value of purchasing (TVP), while satisfying capacity and demand requirement constraints. Design/methodology/approach: The model is established for supplier selection problem and later the proposed single objective model is used to calculate the optimum order quantities...
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In this paper, we present the idea of using a TV remote to control a room light switch. The idea was initiated as many electronic products have their own remote and the consumer will be burdened for numerous of remotes in a place. Thus, the remotes function could be combined together into a dasiauniversalpsila remote and it is very ideal to solve this problem. PIALS is a device that can remotely control...
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We propose an impairment-aware RWA algorithm that allocates a lightpath for services with different interface requirements at 10 Gb/s and 40 Gb/s across a common transparent optical network. Significant benefits are demonstrated when compared with existing techniques.
