Universiti Kebangsaan Malaysia

Displaying 1-26 of 26 results

  • White Papers // Jun 2014

    Design of Low Power 6-Bit Digitally-Controlled Oscillator (DCO)

    Radios, mobile phones, televisions, computers, are just a few models that depend on PLLs for right process that has been used widely in the communications world. A PLL is a control system that produces an output signal. The phase is linked to the phase of an input reference signal. There...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jun 2014

    Perceived Career Development Support in Workplace Career Programme

    In this paper, the authors aim to quantify the relationship between the workplace career programme, perceived career development support, and job satisfaction. The survey method was employed to gather self-reported questionnaires from employees who work at a defence-based higher learning institution. The outcomes of SmartPLS path model analysis showed two...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Nov 2012

    Exploiting Spatial and Frequency Diversity in a Spatially Correlated MU-MIMO Downlink Channels Transmission

    The effect of self-interference, due to increase of spatial correlation in a MIMO channel has become one of the limiting factors towards the implementation of future network downlink transmissions. This paper aims to reduce the effect of self-interference in a downlink Multi-User (MU)-MIMO transmission by exploiting the available spatial and...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Aug 2012

    An Enhanced Workflow Reengineering Methodology for SMEs

    Business Process Reengineering (BPR) is not just the program of business process improvement, but it improves the operations of the business process as a whole. Workflow Reengineering Methodology (WRM) is comprehensive, covering the process improvement effort from the identification of a need for change to the final implementation and maintenance...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Apr 2012

    Interference-Aware Subcarrier Allocation in a Correlated MIMO Downlink Transmission

    The demand for high data rate in wireless communication has increased dramatically over the last two decades. Multiple-Input Multiple-Output (MIMO) transmission is one of the efficient ways to transmit high data rate is by employing multiple antenna configuration at both the transmitter and the receiver. One of the MIMO scheme,...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Nov 2011

    Cost Installation Analysis of FTTH Test Bed Network Set Up-Previous, Present and Future

    There are several methods for testing and troubleshooting a Fiber-To-The-Home Passive Optical Network (FTTH-PON). The simplest and low cost method would be using a power meter which is able to detect the total loss on the network. However, to identify faulty sections of a network, segmentation need to be done...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Sep 2011

    Detecting Sleep Deprivation Attack Over MANET Using a Danger Theory-Based Algorithm

    MANET is a collection of mobile, decentralized, and self organized nodes. Securing MANET is a problem which adds more challenges on the research. This is because MANET properties make it harder to be secured than the other types of static networks. This paper objective is to summarize different types of...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jun 2011

    Investigation of In-Band Transmission of Both Spectral Amplitude Coding/optical Code Division Multiple-Access and Wavelength Division Multiplexing Signals

    The transmission of both Optical Code Division Multiple-Access (OCDMA) and Wavelength Division Multiplexing (WDM) users on the same band is investigated. Code pulses of Spectral Amplitude Coding (SAC)/optical Code Division Multiple-Access (CDMA) are overlaid onto a multichannel WDM system. Notch filters are utilized in order to suppress the WDM interference...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Feb 2011

    Validation of Three-Dimensional Ray-Tracing Algorithm for Indoor Wireless Propagations

    A 3D ray tracing simulator has been developed for indoor wireless networks. The simulator uses Geometrical Optics (GOs) to propagate the electromagnetic waves inside the buildings. The prediction technique takes into account multiple reflections and transmissions of the propagated waves. An Interpolation Prediction Method (IPM) has been proposed to predict...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jan 2011

    OXADM Asymmetrical Optical Device: Extending the Application to FTTH System

    With the drastically growth in optical communication technology, a lossless, low-crosstalk and multifunction optical switch is most desirable for large-scale photonic network. To realize such a switch, the authors have introduced the new architecture of optical switch that embedded many functions on single device. The asymmetrical architecture of OXADM consists...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jan 2011

    Centralized Monitoring and Self-Protected Against Fiber Fault in FTTH Access Network

    This paper presented a new approach for centralized monitoring and self-protected against fiber fault in Fiber-To-The-Home (FTTH) access network by using Smart Access Network Testing, Analyzing and Database (SANTAD). SANTAD will be installed with Optical Line Terminal (OLT) at Central Office (CO) for in-service transmission surveillance and fiber fault localization...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jan 2011

    Network Architecture for Heterogeneous Mobile Ad Hoc Network

    Mobile Ad Hoc Network (MANET) is infrastructureless networks which are often considered as the extension of Internet access range that provide multi hop wireless access. MANET is a wireless networks and has dynamic topology due to its node mobility. MANET can integrate with other types of network to satisfy the...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Dec 2010

    Dynamic Window Secured Implicit Geographic Forwarding Routing for Wireless Sensor Network

    Routing security is a major concern in Wireless Sensor Network since a large scale of unattended nodes is deployed in ad hoc fashion with no possibility of global addressing due to a limitation of node's memory and the node has to be self organizing when the systems require a connection...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Dec 2010

    Search Engine Module in Voice Recognition Browser to Facilitate the Visually Impaired in Virtual Learning (MGSYS VISI-VL)

    Nowadays, web-based technologies influence in people's daily life such as in education, business and others. Therefore, many web developers are too eager to develop their web applications with fully animation graphics and forgetting its accessibility to its users. Their purpose is to make their web applications look impressive. Thus, this...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jul 2010

    A New Proposed Location Registration Procedure in Next Generation Cellular Networks

    The objective of this research is to propose a new location registration procedure for System Architecture Evolution (SAE) which is the core network architecture of 3GPP's future Long Term Evolution (LTE) wireless communication standard. Under the proposed procedure, the authentication between access systems supporting different IP versions is carried out....

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Apr 2010

    AND-Subtraction Detection Modified SNR Equation for Optical CDMA Systems in PON Applications

    In this paper, AND-subtraction detection scheme compatible with OCDMA system and EDW code was simulated. The aim of the simulation is to adjust the AND-subtraction detection SNR equation for better accuracy in passive optical network (PON) applications. The simulation is performed by (optisys 06) software. The software considered the entire...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Apr 2010

    Comparative Review Study of Reactive and Proactive Routing Protocols in MANETs

    Mobile Ad Hoc NETworks (MANETs) are generating a lot of interests due to 3G and 4G activities. The dynamic nature of these networks demands new set of network routing strategy protocols to be implemented in order to provide efficient end-to-end communication. Due to the diverse applications that use MANETs, such...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Mar 2010

    Decision Support Systems (DSS) in Construction Tendering Processes

    The successful execution of a construction project is heavily impacted by making the right decision during tendering processes. Managing tender procedures is very complex and uncertain involving coordination of many tasks and individuals with different priorities and objectives. Bias and inconsistent decision are inevitable if the decision-making process totally depends...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jan 2010

    Architecture of Network Management Tools for Heterogeneous System

    Managing heterogeneous network systems is a difficult task because each of these networks has its own curious management system. These networks usually are constructed on independent management protocols which are not compatible with each other. This results in the coexistence of many management systems with different managing functions and services...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Dec 2009

    Design of Accurate End-to-End IPv4 and IPv6 Performance Test

    The Internet is growing every day and Internet Protocol version 4 (IPv4) is going to deplete soon. It is important to know the current status of network performance before migrating or expanding the network. Network simulation is one of the popular solutions which can be use to predict expanded network...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Dec 2009

    Fish Recognition Based on the Combination Between Robust Features Selection, Image Segmentation and Geometrical Parameters Techniques Using Artificial Neural Network and Decision Tree

    The authors presents in this paper a novel fish classification methodology based on a combination between robust feature selection, image segmentation and geometrical parameter techniques using Artificial Neural Network and Decision Tree. Unlike existing works for fish classification, which propose descriptors and do not analyze their individual impacts in the...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Dec 2009

    Impact of TCP Window Size on IPv4 and IPv6 Performance

    Studies in IPv4 and IPv6 area have been done, but there is still a gap for improvement which can benefit to all users. IPv6 slow uptakes give one a hint that IPv4 and IPv6 will co-exist for a long time just like IPX for Novell computers. Performance of IPv6 network...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Nov 2009

    A Multibiometric Speaker Authentication System With SVM Audio Reliability Indicator

    Performances of biometric speaker authentication systems are good in clean conditions but their reliability drops severely in noisy environments. Implementation of multibiometric systems using audio and visual experts is one of the solutions to this limitation. In this study, weighting for fusing the audio and visual expert scores is proposed...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Feb 2009

    Visual Basic Software Tool for FTTH Network Management System: SANTAD

    This paper proposed a Fiber-To-The-Home (FTTH) network management system named Smart Access Network Testing, Analyzing and Database (SANTAD) for self protected and restored against fiber fault based on Visual Basic. SANTAD is the new upgraded values of recent FTTH technology toward the implementation of smart network, which involved in the...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Dec 2008

    Effects of Word Processing on Arab Postgraduate Students' Essays in EFL

    This study investigates the effects of word processor in composing essays in English as a Foreign Language (EFL) among Arab postgraduate students at Universiti Kebangsaan Malaysia (UKM) in terms of quality and quantity. The first part of the study was published in Darus and Ismail (2008). In the present study,...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Aug 2008

    Problems of Learning Programming Language

    Students sometimes find it hard to learn new programming languages. They often confront unfamiliar programming terms and are required to visualize the processes that happen in the computer memory. Weak students find this a burden and end up memorizing the processes without understanding them and their working. This situation invariably...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jul 2010

    A New Proposed Location Registration Procedure in Next Generation Cellular Networks

    The objective of this research is to propose a new location registration procedure for System Architecture Evolution (SAE) which is the core network architecture of 3GPP's future Long Term Evolution (LTE) wireless communication standard. Under the proposed procedure, the authentication between access systems supporting different IP versions is carried out....

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Dec 2010

    Search Engine Module in Voice Recognition Browser to Facilitate the Visually Impaired in Virtual Learning (MGSYS VISI-VL)

    Nowadays, web-based technologies influence in people's daily life such as in education, business and others. Therefore, many web developers are too eager to develop their web applications with fully animation graphics and forgetting its accessibility to its users. Their purpose is to make their web applications look impressive. Thus, this...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Nov 2009

    A Multibiometric Speaker Authentication System With SVM Audio Reliability Indicator

    Performances of biometric speaker authentication systems are good in clean conditions but their reliability drops severely in noisy environments. Implementation of multibiometric systems using audio and visual experts is one of the solutions to this limitation. In this study, weighting for fusing the audio and visual expert scores is proposed...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jan 2010

    Architecture of Network Management Tools for Heterogeneous System

    Managing heterogeneous network systems is a difficult task because each of these networks has its own curious management system. These networks usually are constructed on independent management protocols which are not compatible with each other. This results in the coexistence of many management systems with different managing functions and services...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Dec 2010

    Dynamic Window Secured Implicit Geographic Forwarding Routing for Wireless Sensor Network

    Routing security is a major concern in Wireless Sensor Network since a large scale of unattended nodes is deployed in ad hoc fashion with no possibility of global addressing due to a limitation of node's memory and the node has to be self organizing when the systems require a connection...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jan 2011

    OXADM Asymmetrical Optical Device: Extending the Application to FTTH System

    With the drastically growth in optical communication technology, a lossless, low-crosstalk and multifunction optical switch is most desirable for large-scale photonic network. To realize such a switch, the authors have introduced the new architecture of optical switch that embedded many functions on single device. The asymmetrical architecture of OXADM consists...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jan 2011

    Centralized Monitoring and Self-Protected Against Fiber Fault in FTTH Access Network

    This paper presented a new approach for centralized monitoring and self-protected against fiber fault in Fiber-To-The-Home (FTTH) access network by using Smart Access Network Testing, Analyzing and Database (SANTAD). SANTAD will be installed with Optical Line Terminal (OLT) at Central Office (CO) for in-service transmission surveillance and fiber fault localization...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Dec 2009

    Fish Recognition Based on the Combination Between Robust Features Selection, Image Segmentation and Geometrical Parameters Techniques Using Artificial Neural Network and Decision Tree

    The authors presents in this paper a novel fish classification methodology based on a combination between robust feature selection, image segmentation and geometrical parameter techniques using Artificial Neural Network and Decision Tree. Unlike existing works for fish classification, which propose descriptors and do not analyze their individual impacts in the...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Dec 2009

    Impact of TCP Window Size on IPv4 and IPv6 Performance

    Studies in IPv4 and IPv6 area have been done, but there is still a gap for improvement which can benefit to all users. IPv6 slow uptakes give one a hint that IPv4 and IPv6 will co-exist for a long time just like IPX for Novell computers. Performance of IPv6 network...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Mar 2010

    Decision Support Systems (DSS) in Construction Tendering Processes

    The successful execution of a construction project is heavily impacted by making the right decision during tendering processes. Managing tender procedures is very complex and uncertain involving coordination of many tasks and individuals with different priorities and objectives. Bias and inconsistent decision are inevitable if the decision-making process totally depends...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jan 2011

    Network Architecture for Heterogeneous Mobile Ad Hoc Network

    Mobile Ad Hoc Network (MANET) is infrastructureless networks which are often considered as the extension of Internet access range that provide multi hop wireless access. MANET is a wireless networks and has dynamic topology due to its node mobility. MANET can integrate with other types of network to satisfy the...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Dec 2009

    Design of Accurate End-to-End IPv4 and IPv6 Performance Test

    The Internet is growing every day and Internet Protocol version 4 (IPv4) is going to deplete soon. It is important to know the current status of network performance before migrating or expanding the network. Network simulation is one of the popular solutions which can be use to predict expanded network...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Apr 2010

    Comparative Review Study of Reactive and Proactive Routing Protocols in MANETs

    Mobile Ad Hoc NETworks (MANETs) are generating a lot of interests due to 3G and 4G activities. The dynamic nature of these networks demands new set of network routing strategy protocols to be implemented in order to provide efficient end-to-end communication. Due to the diverse applications that use MANETs, such...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Feb 2009

    Visual Basic Software Tool for FTTH Network Management System: SANTAD

    This paper proposed a Fiber-To-The-Home (FTTH) network management system named Smart Access Network Testing, Analyzing and Database (SANTAD) for self protected and restored against fiber fault based on Visual Basic. SANTAD is the new upgraded values of recent FTTH technology toward the implementation of smart network, which involved in the...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Aug 2008

    Problems of Learning Programming Language

    Students sometimes find it hard to learn new programming languages. They often confront unfamiliar programming terms and are required to visualize the processes that happen in the computer memory. Weak students find this a burden and end up memorizing the processes without understanding them and their working. This situation invariably...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Dec 2008

    Effects of Word Processing on Arab Postgraduate Students' Essays in EFL

    This study investigates the effects of word processor in composing essays in English as a Foreign Language (EFL) among Arab postgraduate students at Universiti Kebangsaan Malaysia (UKM) in terms of quality and quantity. The first part of the study was published in Darus and Ismail (2008). In the present study,...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Apr 2010

    AND-Subtraction Detection Modified SNR Equation for Optical CDMA Systems in PON Applications

    In this paper, AND-subtraction detection scheme compatible with OCDMA system and EDW code was simulated. The aim of the simulation is to adjust the AND-subtraction detection SNR equation for better accuracy in passive optical network (PON) applications. The simulation is performed by (optisys 06) software. The software considered the entire...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Nov 2012

    Exploiting Spatial and Frequency Diversity in a Spatially Correlated MU-MIMO Downlink Channels Transmission

    The effect of self-interference, due to increase of spatial correlation in a MIMO channel has become one of the limiting factors towards the implementation of future network downlink transmissions. This paper aims to reduce the effect of self-interference in a downlink Multi-User (MU)-MIMO transmission by exploiting the available spatial and...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Nov 2011

    Cost Installation Analysis of FTTH Test Bed Network Set Up-Previous, Present and Future

    There are several methods for testing and troubleshooting a Fiber-To-The-Home Passive Optical Network (FTTH-PON). The simplest and low cost method would be using a power meter which is able to detect the total loss on the network. However, to identify faulty sections of a network, segmentation need to be done...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Apr 2012

    Interference-Aware Subcarrier Allocation in a Correlated MIMO Downlink Transmission

    The demand for high data rate in wireless communication has increased dramatically over the last two decades. Multiple-Input Multiple-Output (MIMO) transmission is one of the efficient ways to transmit high data rate is by employing multiple antenna configuration at both the transmitter and the receiver. One of the MIMO scheme,...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Aug 2012

    An Enhanced Workflow Reengineering Methodology for SMEs

    Business Process Reengineering (BPR) is not just the program of business process improvement, but it improves the operations of the business process as a whole. Workflow Reengineering Methodology (WRM) is comprehensive, covering the process improvement effort from the identification of a need for change to the final implementation and maintenance...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jun 2011

    Investigation of In-Band Transmission of Both Spectral Amplitude Coding/optical Code Division Multiple-Access and Wavelength Division Multiplexing Signals

    The transmission of both Optical Code Division Multiple-Access (OCDMA) and Wavelength Division Multiplexing (WDM) users on the same band is investigated. Code pulses of Spectral Amplitude Coding (SAC)/optical Code Division Multiple-Access (CDMA) are overlaid onto a multichannel WDM system. Notch filters are utilized in order to suppress the WDM interference...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Feb 2011

    Validation of Three-Dimensional Ray-Tracing Algorithm for Indoor Wireless Propagations

    A 3D ray tracing simulator has been developed for indoor wireless networks. The simulator uses Geometrical Optics (GOs) to propagate the electromagnetic waves inside the buildings. The prediction technique takes into account multiple reflections and transmissions of the propagated waves. An Interpolation Prediction Method (IPM) has been proposed to predict...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Sep 2011

    Detecting Sleep Deprivation Attack Over MANET Using a Danger Theory-Based Algorithm

    MANET is a collection of mobile, decentralized, and self organized nodes. Securing MANET is a problem which adds more challenges on the research. This is because MANET properties make it harder to be secured than the other types of static networks. This paper objective is to summarize different types of...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jun 2014

    Design of Low Power 6-Bit Digitally-Controlled Oscillator (DCO)

    Radios, mobile phones, televisions, computers, are just a few models that depend on PLLs for right process that has been used widely in the communications world. A PLL is a control system that produces an output signal. The phase is linked to the phase of an input reference signal. There...

    Provided By Universiti Kebangsaan Malaysia

  • White Papers // Jun 2014

    Perceived Career Development Support in Workplace Career Programme

    In this paper, the authors aim to quantify the relationship between the workplace career programme, perceived career development support, and job satisfaction. The survey method was employed to gather self-reported questionnaires from employees who work at a defence-based higher learning institution. The outcomes of SmartPLS path model analysis showed two...

    Provided By Universiti Kebangsaan Malaysia