Browsing R. Badlishah Ahmad, Prof. Ir. Ts. Dr. by Author "R. Badlishah, Ahmad, Prof. Madya Dr."

Now showing items 21-34 of 34

    • Multiband fractal planar inverted F antenna (F-PIFA) for mobile phone application 

      Saidatul Norlyana, Azemi; Azremi, Abdullah Al Hadi; R. Badlishah, Ahmad, Prof. Madya Dr.; Soh, Ping Jack; Fareq, Malek, Dr. (EMW Publishing, 2009)
      The design of a novel Fractal planar inverted F antenna (F-PIFA) based on the self affinity property is presented in this paper. The procedure for designing a Fractal Planar Inverted F Antenna is explained and three different ...

    • New code for spectral-amplitude coding optical code-division multiple-access systems 

      Thanaa Hussein, Abd.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; R. Badlishah, Ahmad, Prof. Madya Dr.; Mohd Abdur, Rashid, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-16)
      In this paper we present a novel code family for SAC-OCDMA system. The new code technique is called Dynamic Cyclic Shift (DCS) code. Which more flexible in selection the code length with variable cross correlation. ...

    • Outdoor propagation analysis for LR-WPAN IEEE 802.15.4 

      M. Azudin, Mohd Arif; L. Munirah, Kamarudin; Ali Yeon, Md Shakaff, Prof. Dr.; Mohd Noor, Ahmad, Prof. Dr.; R. Badlishah, Ahmad, Prof. Madya Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-09-22)
      This paper presents a preliminary study to obtain the propagation characteristics for IEEE 802.15.4 Low Rate-Wireless Personal Area Network (LR-WPAN). Two units of Wireless Sensor Networks Nodes (WSNs) were used in this ...

    • An overview of low density parity check codes 

      Abid, Yahya; Farid, Ghani; R. Badlishah, Ahmad, Prof. Madya Dr.; Malook, Raj (Asian Network for Scientific Information, 2010-07-10)
      Not available

    • Performance analysis of multipath routing based on source routing 

      N. Z., Ali; R. Badlishah, Ahmad, Prof. Madya Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Madya (Universiti Malaysia Pahang (UMP), 2009-06-20)
      Mobile AdHoc Networks (MANETs) is a collection of mobile hosts forming a temporary network without the aid of any established infrastructure or centralized administration, and they interact with each other over wireless ...

    • Performance analysis on MDW code in FTTH access network using PIN & APD photodiode 

      Muthana. Y., Aldouri; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; R. Badlishah, Ahmad, Prof. Madya Dr.; Hilal Adnan, Fadhil, Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      In order to comprise between PIN photo detector and avalanche photodiodes in a system used modified double weight (MDW) code to be a performance of the optical spectrum CDMA in FTTH network with point-to-multi-point ...

    • Performance evaluation of TCP Vegas versus different TCP variants in homogeneous and heterogeneous wired networks 

      B. S., Yew; Ong, Bi Lynn; R. Badlishah, Ahmad, Prof. Madya Dr. (World Academy of Science, Engineering and Technology (WASET), 2011-02)
      A study on the performance of TCP Vegas versus different TCP variants in homogeneous and heterogeneous wired networks are performed via simulation experiment using network simulator (ns-2). This performance evaluation ...

    • Prolonging lifetime of wireless sensor networks with mobile base station using particle swarm optimization 

      Nurul Adilah, Abdul Latiff; Nurul Mu’azzah, Abdul Latiff, Dr.; R. Badlishah, Ahmad, Prof. Madya Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2011-04-19)
      Wireless sensor networks are a family of networks in wireless communication system and have the potential to become significant subsystem of engineering applications. In view of the fact that the sensor nodes in wireless ...

    • Propagation model for wireless sensor networks: Review and modeling 

      Latifah Munirah, Kamarudin; R. Badlishah, Ahmad, Prof. Madya Dr.; Ong, Bi Ling (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      In simulation environments, prediction of path losses, maximum communication coverage for each node and received signal strength are calculated by using propagation model. However, most of the simulation tools only offer ...

    • Proposal: Fundamental study of spectral slicing wavelength division multiplexing (WDM) system 

      Nasim, Ahmed; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; R. Badlishah, Ahmad, Prof. Madya Dr.; Muthana, Yassen .K (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Since the inception of optical fiber communication in 1974, their transmission capacity has experienced a tremendous increase in the years after. Several technology advances spurred its growth. But its use was kept to long ...

    • A study of TCP congestion control mechanisms 

      Yew, Been Seok; Ong, Bi Ling; R. Badlishah, Ahmad, Prof. Madya Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      In this paper, the TCP congestion control mechanisms are discussed. There are four intertwined mechanisms defined in the Internet standards track protocol, which are slow start, congestion avoidance, fast retransmit and ...

    • TCP SYN flood attack analysis based on payload 

      Siti Hajar, C. Haris; R. Badlishah, Ahmad, Prof. Madya Dr.; Mohd Alif Hasmani, Abd Ghani; Che Muhammad Nor, Che Isa (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Transmission Control Protocol (TCP) Synchronized (SYN) Flood has become a problem to the network management to defend the network server from being attacked by malicious attackers. The malicious attackers can easily exploit ...

    • Vehicle speed detection using frame differencing for smart surveillance system 

      Hasliza, A. Rahim@Samsuddin; Usman Ullah, Sheikh, Dr.; R. Badlishah, Ahmad, Prof. Madya Dr.; Aini Syuhada, Md Zain; Wan Nur Suryani Firuz, Wan Ariffin (Institute of Electrical and Electronics of Engineering (IEEE), 2010-05-10)
      This paper presents vehicle speed detection algorithm and its application for smart surveillance system using PC workstation at the selected road lane. Typical temporal resolution of 30 ms to 40ms of conventional camera ...

    • Web-based portable network traffic monitoring system based on embedded linux and SBC 

      Md. Mostafijur, Rahman; Zahereel Ishwar, Abdul Khalib; R. Badlishah, Ahmad, Prof. Madya Dr.; Salina, Mohd Asi (Institute of Electrical and Electronics Engineering (IEEE), 2009-04-03)
      This paper describes the design and implementation of a web-based portable network traffic monitoring system (PNtMS) on an embedded linux platform, based on single board computer (SBC). The functionality of the monitoring ...