Browsing Syed Alwee Aljunid Syed Junid, Prof. Ir. Ts. Dr. by Subject "Wireless communication systems"
Now showing items 1-14 of 14
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Development of new OCDMA code
(Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2007-05)Nowadays, communication is very important at any place, time and situation. The transmission of signal can be in wireless or cable (especially fiber optic that has more advantages than others cable for a long distance). ... -
Development of new OCDMA detection scheme
(Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2007-03)A new direct detection technique is proposed for optical code multiple accesses using Double Weight code. In optical system the detection process affect design transmitter and receiver. The Multiple Access Interference ... -
Development of Optical Code Division Multiple Access (OCDMA) for Local Area Network (LAN)
(Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2008-04)Nowadays, communication is very important at any place, time and situation. The transmission of the signal can be in wireless or cable. There are three type of division multiple accesses that use in communication system ... -
Development of point-to-point OCDMA system for metropolitan area network
(Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2007-05)Future telecommunication systems and networks are expected to provide a variety of integrated broadband services to the customers. There has been a tremendous interest in applying Code Division Multiple Access (CDMA) ... -
Effects of the Random Diagonal code link parameters on the performance of an OCDMA scheme for high-speed access networks
(Elsevier Inc., 2009-06)In this paper, we study the performance of optical code-division multiple access (OCDMA) systems using Random Diagonal (RD) code under various link parameters. This code which can be constructed using address segment and ... -
Improving bit error rate of OCDMA systems using and subtraction technique
(Institute of Electrical and Electronics Engineering (IEEE), 2006)A new detection scheme, namely AND subtraction technique is proposed and presented in this paper. The theory is being elaborated and experimental results have been done by comparing Double-Weight (DW) code against the ... -
Multi-rate transmissions on spectral amplitude coding optical code division multiple access system using random diagonal codes
(Institute of Physics, Wroclaw University of Technology, 2009)In this paper, we study the use of a new code called random diagonal (RD) code for spectral amplitude coding (SAC) optical code division multiple access (OCDMA) networks, using fiber Bragg-grating (FBG). FBG consists of a ... -
New design of spectral amplitude coding in OCDMA with zero cross-correlation
(Elsevier B.V. (Imprint: NORTH-HOLLAND), 2009-07)A zero cross-correlation (ZCC) code is proposed to reduce the impact of system impairment and multiple access interference (MAI) in spectral amplitude coding optical code division multiple access (SAC-OCDMA) system. ... -
Optical Spectrum CDMA: a new code construction for Double Weight Code Family
(Institute of Electrical and Electronics Engineering (IEEE), 2006)This paper handles the Double Weight (DW) Code family, one of the proposed codes used in Spectral-Amplitude-Coding Optical Code Division Multiple Access (OCDMA). The DW code family is constructed using a matrix technique ... -
Performance analysis of optical zero cross correlation in OCDMA system
(Asian Network for Scientific Information, 2007)We propose a new code structure for Spectral-Amplitude Coding Optical Code Division Multiple Access (OCDMA) systems with zero cross-correlation and theoretically demonstrate the performance of this code by using a direct ... -
Performance of random diagonal code for OCDMA systems using new spectral direct detection technique
(Elsevier Inc, 2009-01-31)This paper studies the performance of random diagonal (RD) code for spectral-amplitude coding OCDMA (SAC-OCDMA) system using a newly proposed spectral direct detection technique. RD code is constructed using code segment ... -
The potentials of OCDM technique for local area network
(Institute of Electrical and Electronics Engineering (IEEE), 2006)Evolution of the optical fiber systems is currently seeing the general acceptance of wavelength division multiplexing (WDM) as the best mechanisms in increasing the transmission capacity of fiber optics. However, there are ... -
Spectral amplitude coding OCDMA using and subtraction technique
(Optical Society of America, 2008-03)An optical decoding technique is proposed for a spectral-amplitude-coding- optical code division multiple access, namely, the AND subtraction technique. The theory is being elaborated and experimental results have been ... -
Spectral amplitude coding OCDMA using and subtraction technique
(Institute of Electrical and Electronics Engineering (IEEE), 2007)A new detection scheme, namely AND subtraction technique is proposed and presented in this paper. The theory is being elaborated and experimental results have been done by comparing Double-Weight (DW) code against the ...