Now showing items 239-250 of 250

    • Transparent antenna design for WiMAX application 

      Alyaa S., Azini; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr.; Tharek, Abd. Rahman, Prof. Dr.; Hashimu Uledi, Iddi; Abdulrahman Amuda, Yusuf, Dr.; Mohd Faizal, Jamlos, Dr. (Progress in Electromagnetics Research (PIER), 2013)
      A transparent monopole antenna operating at 2.30GHz is presented in this paper. The radiating element and ground plane are both designed using AgHT-4, while the substrate is made of glass. The simulated and measured impedance ...
    • Triple-band CPW-FED planar monopole antenna for WLAN/WiMax application 

      Hashimu Uledi, Iddi; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr.; Tharek, Abd. Rahman, Prof. Dr.; Abdulrahman, Y. Abdulrahman; Mohsen, Khalily; Mohd. Faizal, Jamlos, Dr. (Wiley Periodicals, 2013-09)
      A triple-band planar monopole antenna is presented in this article. The antenna consists of three strips which correspond to operating frequency bands of 2.4, 3.5, and 5.8 GHz. The proposed antenna has been designed, ...
    • Triple-play services using random diagonal code for spectral amplitude coding OCDMA systems 

      Hilal Adnan, Fadhil; Syed Alwee Aljunid, Syed Junid, Prof. Madya; R. Badlishah, Ahmad (Fachverlag Schiele and Schoen GmbH, 2009)
      In this paper, a new code called Random Diagonal (RD) code for spectral amplitude coding optical code division multiple access (OCDMA) networks is presented. This code is compared with other codes like MQC, MFH and Hadamard ...
    • Ultra-wide band microwave filter utilizing quarter-wavelength short-circuited stubs 

      Mohammad Shahrazel, Razalli; Alyani, Ismail; Mohd Adzir, Mahdi; Mohd Nizar, Hamidon (Wiley Periodicals, 2008-11)
      Five poles quarter-wave short-circuited stubs is designed and developed to support the ultra-wide band (UWB) applications. The filter, with a total size of 41 mm × 12 mm operates within 2.7-9.83 GHz, produces a fractional ...
    • Ultrawideband quadrature power divider employing double wireless via 

      Siti Zuraidah, Ibrahim; Marek Edward, Bialkowski; Abbosh, A. (Wiley Periodicals, Inc., 2012-02)
      The article reports the design of an ultrawideband quadrature power divider in uniplanar microstrip technology. The proposed device uses the conventional Wilkinson power divider with one of its output arms equipped with a ...
    • The use of a human body model to determine the variation of path losses in the human body channel in wireless capsule endoscopy 

      Basar, Md R.; Mohd Fareq, Abdul Malek, Dr.; Khairudi M., Juni; Mustafa Iskandar M., Saleh; Mohd Shaharom, Idris; Latifah, Mohamed; Norshafinash, Saudin; Nur Adyani, Mohd Affendi; Abdussalam Salhin Mohamed, Ali (Progress in Electromagnetics Research (PIER), 2013)
      Presently, wireless capsule endoscopy (WCE) is the sole technology for inspecting the human gastrointestinal (GI) tract for diseases painlessly and in a non-invasive way. For the further development of WCE, the main concern ...
    • Variable cross-correlation code construction for spectral amplitude coding optical CDMA networks 

      Hilal Adnan, Fadhil, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hassan Y., Ahmed; Hamza Mohammed Ridha, Al-Khafaji (Elsevier Ltd., 2012-06)
      We present, for the first time, several aspects of incoherent optical code-division multiple access (OCDMA) codes, focusing on the flexible variable cross-correlation code allocation and its potential for future optical ...
    • Variable structure system with sliding mode controller 

      Ali Amer, Ahmed; R. Badlishah, Ahmad, Prof. Dr.; Abid, Yahya, Dr.; Hazim Hashim, Tahir; Quinlan, James (Elsevier B.V., 2013)
      This paper describes the application of sliding mode variable structure control (SMVSC) concept for DC motor position control. A mathematical procedure for determining the values of the gains of variable structure system ...
    • "Via-Less” UWB Filter using Patched Microstrip Stubs 

      Mohammad Shahrazel, Razalli; Alyani, Ismail; Mohamed Adzir, Mahdi; Mohd Nizar, Hamidon (VSP (imprint of Brill), 2009)
      This paper presents an Ultra-Wide Band (UWB) microstrip filter which is initially modeled from a quarter-wavelength short-circuited stubs, without the use of any vias. All vias that provide short circuit stubs are replaced ...
    • Wearable dual-band Sierpinski fractal PIFA using conductive fabric 

      Soh, Ping Jack; Vandenbosch, G. A. E.; Ooi, S. L.; Husna, M. R. N. (Institute of Electrical and Electronics Engineers (IEEE), 2011-03-17)
      A novel planar inverted-F antenna (PIFA), incorporating a triangular Sierpinski gasket, is presented. The used conducting textile and polyester fleece allow easy on-body integration and simple practical fabrication. It ...
    • Web-based wireless data acquisition system using 32bit single board computer 

      R. Badlishah, Ahmad; Wan Muhamad Azmi, Mamat; Mohamad Rizon, Mohamed Juhari; Shuhaizar, Daud; Arshad, N.W. (Institute of Electrical and Electronics Engineering (IEEE), 2008)
      The design and architecture of a web-based wireless data acquisition system are presented. This system provides a web interface for remote monitoring of sensors deployed which connected using wireless technology. The design ...
    • X-band trisection substrate-integrated waveguide quasi-elliptic filter 

      Alyani, Ismail; Mohammad Shahrazel, Razalli; Mohamed Adzir, Mahdi; Abdullah, R.S.A.R; Noordin, N.K; Rasid, M.F.A (EMW Publishing, 2008)
      A narrowband trisection substrate-integrated waveguide elliptic filter with coplanar waveguide (CPW) input and output ports is proposed and demonstrated for X-band applications. The filter is formed by incorporating ...