Now showing items 198-217 of 250

    • Realization of wavelength-time modified double weigs-button-field 

      Amir Razif Arief, Jamil Abdullah, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Anuar, Mat Safar, Ir. Dr.; R. Badlishah, Ahmad, Prof. Dr.; Junita, Mohd Nordin; Mohd Rashidi, Che Beson (Trans Tech Publications, 2014)
      Explosive growth of bandwidth demand together with advance in latest communication services and emerging applications have inspired interest in optical code division multiple access (OCDMA). The work focuses on analysis ...
    • Recent four-wave mixing suppression methods 

      Abeda, H.J.; Din, N. M.; Al-Mansoori, M.H.; Fadhil, H.A.; Abdullah, F. (Elsevier Ltd., 2012-09)
      This paper reviews various techniques that have been proposed by many researchers to reduce the effect of four-wave mixing (FWM). A review was suggested to investigate the recent method of each technique and to compare ...
    • Recent four-wave mixing suppression methods 

      Haider J., Abed; Norashidah, Md. Din, Prof. Ir. Dr.; Mohammed Hayder, Al-Mansoori; Hilal Adnan, Fadhil, Dr.; Fairuz, Abdullah, Dr. (Elsevier GmbH, 2013-08)
      This paper reviews various techniques that have been proposed by many researchers to reduce the effect of four-wave mixing (FWM). A review was suggested to investigate the recent method of each technique and to compare ...
    • Reconfigurable four-parasitic-elements patch antenna for high-gain beam switching application 

      Muzammil, Jusoh; Thennarasan, Sabapathy; Mohd Faizal, Jamlos, Dr.; Muhammad Ramlee, Kamarudin (Institute of Electrical and Electronics Engineers (IEEE), 2014-01)
      A reconfigurable beamforming of a four-para-sitic-elements patch antenna (FPPA) for WiMAX application is presented. The proposed FPPA is successfully capable to steer the radiation pattern in azimuth planes (0°,45°, 135°, ...
    • A reconfigurable ultra wide band (UWB) compact tree-design antenna system 

      Muzammil, Jusoh; Mohd Faizal, Jamlos, Dr.; Muhammad Ramlee, Kamarudin; Mohd Fareq, Abd. Malek, Dr.; Muhamad Asmi, Romli; Zahari, Awang Ahmad; Mahathir, H. Mat (The Electromagnetics Academy, 2012-03)
      A novel compact tree-design antenna (NCTA) with the ability of reconfigurable ultra-wideband (UWB) of 3.1 GHz to 10.6 GHz to five multi-narrowband applications is proposed. This antenna has a novel radiating element design ...
    • A reconfigurable WiMAX antenna for directional and broadside application 

      Muzammil, Jusoh, Dr.; Mohd Faizal, Jamlos, Dr.; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr.; Sabapathy, Thennarasan (Hindawi Publishing Corporation, 2013)
      A novel reconfigurable compact patch array antenna for directional and broadside application is proposed. The presented antenna has successfully been able to function for directional beam at 320° or 35° and divisive broadside ...
    • Redesign the 4:2 compressor for partial product reduction 

      Hussin, R.; Ali Yeon, Md Shakaff; Idris, N.; Zaliman, Sauli; Ismail, R.C.; Kamarudin, A. (International Association of Science and Technology for Development (IASTED) / ACTA Press, 2007)
      In this paper, we attempt to redesign the 4:2 compressors. Since its inception by Weinberger in 1981[1], this concept of compressor has been used in most digital multiplications and multi operand operation scheme. The ...
    • Reduced complexity optimum detector for block data transmission systems 

      S. P. K., Babu; M. F. M., Salleh; Farid, Ghani (The Institute of Electronics, Information and Communication Engineers, 2009-12-10)
      Block Data Transmission Systems (BDTS) are used in high-speed wireless communication systems with time dispersive channel characteristics. In such systems, blocks of data are separated by zeros to mitigate the effect of ...
    • Reducing BER of spectral-amplitude coding optical code-division multiple-access systems by single photodiode 

      Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hamza Mohammed Ridha, Al-Khafaji; Amphawan, Angela, Dr.; Hilal Adnan, Fadhil, Dr.; Anuar, Mat Safar, Ir. Dr. (European Optical Society, 2013)
      In this paper, we present a single photodiode detection (SPD) technique for spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) systems. The proposed technique eliminates both phase-induced intensity ...
    • Reducing BER of spectral-amplitude coding optical code-division multiple-access systems by single photodiode detection technique 

      Hamza Mohammed Ridha, Al-Khafaji; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Amphawan, Angela, Dr.; Hilal Adnan, Fadhil, Dr.; Anuar, Mat Safar, Ir. Dr. (European Optical Society, 2013-03)
      In this paper, we present a single photodiode detection (SPD) technique for spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) systems. The proposed technique eliminates both phase-induced intensity ...
    • Rehabilitation systems for physically disabled patients: A brief review of sensor-based computerised signal-monitoring systems 

      Nizam Uddin, Ahamed; Sundaraj, Kenneth, Assoc. Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr.; Matiur J., Rahman; Md. Asraf, Ali; Md. Anamul, Islam; Palaniappan, Rajkumar (Scientific Publishers of India, 2013)
      This brief review addresses the existing systems and challenges and provides future recommendations on computer- and biosensor-assisted rehabilitation systems for physically disabled patients. We further list the types of ...
    • Relationship between controllable process parameters on bump height in ENIG 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Muhamad Hafiz,  Ab Aziz (Trans Tech Publications, 2013)
      This paper reports the factors that affect the bump height in electroless nickel immersion gold (ENIG) and their interrelation between each other. Bump height is a critical issue that needs to be investigated because a ...
    • Reliable key management and data delivery method in multicast over wireless IPv6 networks 

      Abbas, Mehdizadeh, Dr.; Raja Syamsul Azmir, Raja Abdullah, Dr.; Fazirulhisyam, Hashim, Dr.; Borhanuddin, Mohd Ali, Prof. Dr.; Mohamed, Othman, Prof. Dr.; Sabira, Khatun, Prof. Dr. (Springer Science+Business Media New York, 2013-12)
      Multicast is an efficient way to reduce the required bandwidth of transmitting data simultaneously to a group of users in wireless IPv6 networks. Nevertheless, multicast suffers from two main drawbacks which can be looked ...
    • Rice husks microwave absorbers 

      Mohd Fareq, Abd Malek; Nornikman, Hassan; Soh, Ping Jack; Azremi, Abdullah Al Hadi; Supri, A. Ghani (Universiti Malaysia Perlis (UniMAP), 2010-12)
    • Rice yield classification using Backpropagation Network 

      Puteh, Saad; Nor Khairah, Jamaludin; Siti Sakira, Kamrudin; Aryati, Bakri; Nursalasawati, Rusli (Penerbit Universiti Utara MalaysiaFakulti Teknologi Maklumat, 2004)
      Among factors that affect rice yield area are diseases, pests and weeds. It is intractable to model the correlation between plant diseases, pests and weeds on the amount of rice yield statistically and mathematically. In ...
    • SCPS solution for heterogeneous networks for isolated areas: a novel design approach 

      Satea Hikmat, Alnajjar; Mohd Fareq, Abd. Malek, Dr. (ICIC International, 2012)
      This research presents an innovative system that has capability to prove the technical feasibility and advantages of a joint radio frequency (RF) and free space optic (FSO) system with a synchronized self-trace directional ...
    • Secured and robust information hiding scheme 

      Nagham Hamed, Abdul-Mahd; Abid, Yahya, Dr.; R. Badlishah, Ahmad, Prof. Dr.; Osamah M., Al-Qershi (Elsevier B.V., 2013)
      The sensitivity of the digital work made it susceptible to many accidental dangers. Accordingly, it has become necessary for the secret data to be protected, identified and extracted. As a result, many researchers have ...
    • Setup and results of pyramidal microwave absorbers using rice husks 

      Nornikman, Hassan; Fareq, Malek, Dr.; Ahmed, M.; Wee, Fwen Hoon; Soh, Ping Jack; Azremi, Abdullah Al Hadi, Dr.; Ghani, S. A.; Hasnain, A.; Taib, M. N. (EMW Publishing, 2011)
      Agricultural wastes are considered not useful and are commonly dumped or burned after crop harvesting. Rice husks from paddy (Oryza sativa) are example of agricultural wastes. Rice husks have been investigated as the ...
    • Shear speed analysis on Sn-3.9Ag-0.6Cu Solder 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Ong, Tee Say; Vairavan, Rajendaran (Trans Tech Publications (TTP), 2013)
      Ball Grid Array (BGA) is a type of semiconductor interconnection used in Integrated Circuit (IC) which is being scaled down to micro and nano size. The reliability of BGA in IC becomes a concern as the size of IC reduces. ...
    • Signal propagation analysis for low data rate wireless sensor network applications in sport grounds and on roads 

      Ndzi, David L.; Muhammad A, Mohd Arif; Ali Yeon, Md Shakaff, Prof. Dr.; Mohd Noor, Ahmad, Prof. Dr.; Azizi, Harun; Latifah Munirah, Kamarudin; Ammar, Zakaria; M. F., Ramli; Mohammad Shahrazel, Razalli (EMW Publishing, 2012)
      This paper presents results of a study to characterise wire- less point-to-point channel for wireless sensor networks applications in sport hard court arenas, grass fields and on roads. Antenna height and orientation effects ...