Browsing R. Badlishah Ahmad, Prof. Ir. Ts. Dr. by Author "Abid, Yahya, Dr."
Now showing items 1-10 of 10
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Channels estimation in OFDM system on block-type and comb-type pilot arrangement
Mohd Suhaizal, Abu Hassan; Abid, Yahya, Dr.; Farid, Ghani, Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)In orthogonal frequency division multiplexing (OFDM) systems over time-varying and frequency-selective fading channel, channel estimation and tracking is generally carried out by transmitting known pilot symbols in given ... -
A chaotic neural network based encryption algorithm for MPEG-2 encoded video signal
A. Tariq, A. Fadil; Shahrul Nizam, Yaakob; R. Badlishah, Ahmad, Prof. Madya Dr.; Abid, Yahya, Dr. (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)In this paper, a cipher system based on Chaotic Neural Network (CNN) is used to encrypt and construct a stream cipher of compressed MPEG-2 video signal. The symmetric CNN cipher algorithm transforms the plaintext (compressed ... -
Effect of relay location on two-way DF and AF relay for multi-user system in LTE-A cellular networks
Jaafar Adhab, ALdhaibani; Abid, Yahya, Dr.; R. Badlishah, Ahmad, Prof. Dr.; Normaliza, Omar; Zaid G., Ali (Institute of Electrical and Electronics Engineers (IEEE), 2013-04)In order to meet the increasing demand and stringent design requirements for coverage expansion, throughput and capacity enhancement relay Node (RNs) has been considered as a promising solution to LTE-A Point-to-Multi-Point ... -
An embedded network traffic monitoring system for portable applications
Md. Mostafijur, Rahman; R. Badlishah, Ahmad, Prof. Dr.; Zahereel Ishwar, Abdul Khalib, Dr.; Abid, Yahya, Dr.; Md. Mijanur, Rahman, Dr.; Md. Manjur, Ahmed; Naufal, Alee (Medwell Journals, 2013)This study presents an enhanced Embedded Network Traffic Monitoring (ENTM) system capable of capturing and analyzing network traffic information on data networks. The system incorporates an enhanced packet probing subsystem ... -
Impact of freeway mobility pattern on routing performance of mobile Ad Hoc networks
Layth Abdulkareem, Hassnawi, Dr.; R. Badlishah, Ahmad, Prof. Dr.; Abid, Yahya, Dr.; H. R., Alsanad; Syed Alwee Aljunid, Syed Junid, Prof. Dr. (Advanced Institute of Convergence IT, 2013-05)In all applications which are based on Mobile Ad-Hoc Networks, node mobility has a significant impact on the performance of routing protocols; consequently affect the usefulness of these applications. This paper presents ... -
Low complexity burst allocation algorithm with high frame utilization for Mobile WiMAX (802.16e)
Zaid G., Ali; R. Badlishah, Ahmad, Prof. Dr.; Abid, Yahya, Dr.; L. A., Hassnawi; Jaafar Adhab, ALdhaibani (Institute of Electrical and Electronics Engineers (IEEE), 2013-04)Burst allocation is one of the important parameter that affects the performance of the Mobile WiMAX systems. The burst allocation algorithm is responsible about calculating the appropriate dimensions and location of each ... -
On coverage analysis for LTE-A cellular networks
Jaafar Adhab, ALdhaibani; Abid, Yahya, Dr.; R. Badlishah, Ahmad, Prof. Dr.; 'Aini Syuhada, Md Zain; Mohammed Khalid, Salman; Riad, Edan (Engg Journals Publications, 2013)In this paper we analyze the coverage area for LTE-A cellular network by taking into account the interference of first tier and frequency reuse planning. We considered the numerical calculations and simulation results to ... -
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 ... -
Smart prolong fuzzy wireless sensor-actor network for agricultural application
Naseer, Sabri; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr.; Mohd Fareq, Abd Malek, Dr.; Abid, Yahya, Dr.; Rezuwan, Kamaruddin, Prof. Ir. Dr. Hj.; Muhammed Sabri, Salim (Institute of Information Science, 2012-03)The advances in pervasive communication, sensing and computing of wireless sensor networks technologies are leading to the emergence of wireless sensor-actor networks. The spreading merit of WSAN has led to increasing ... -
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 ...